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Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
[PATCH] fix missing includes I recently picked up my older work to remove unnecessary #includes of sched.h, starting from a patch by Dave Jones to not include sched.h from module.h. This reduces the number of indirect includes of sched.h by ~300. Another ~400 pointless direct includes can be removed after this disentangling (patch to follow later). However, quite a few indirect includes need to be fixed up for this. In order to feed the patches through -mm with as little disturbance as possible, I've split out the fixes I accumulated up to now (complete for i386 and x86_64, more archs to follow later) and post them before the real patch. This way this large part of the patch is kept simple with only adding #includes, and all hunks are independent of each other. So if any hunk rejects or gets in the way of other patches, just drop it. My scripts will pick it up again in the next round. Signed-off-by: Tim Schmielau <tim@physik3.uni-rostock.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-10-30 15:03:48 -08:00
[ARM] Fix realview build arch/arm/mach-realview/platsmp.c:140: error: 'jiffies' undeclared (first use in this function) drivers/amba/bus.c:246: error: 'NO_IRQ' undeclared (first use in this function) Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-01-08 09:58:51 +00:00
ARM: 6758/1: amba: support pm ops Support pm_ops in the AMBA bus, required to allow drivers to use runtime pm. The implementation of AMBA bus pm ops is based on the platform bus implementation. Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-02-23 04:33:17 +01:00
PM / Domains: Move dev_pm_domain_attach|detach() to pm_domain.h The commit 46420dd73b80 (PM / Domains: Add APIs to attach/detach a PM domain for a device) started using errno values in pm.h header file. It also failed to include the header for these, thus it caused compiler errors. Instead of including the errno header to pm.h, let's move the functions to pm_domain.h, since it's a better match. Fixes: 46420dd73b80 (PM / Domains: Add APIs to attach/detach a PM domain for a device) Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Acked-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Wolfram Sang <wsa@the-dreams.de> Acked-by: Mark Brown <broonie@kernel.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-09-29 13:58:47 +02:00
[ARM] Move AMBA include files to include/linux/amba/ Since the ARM AMBA bus is used on MIPS as well as ARM, we need to make the bus available for other architectures to use. Move the AMBA include files from include/asm-arm/hardware/ to include/linux/amba/ Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-01-07 13:52:45 +00:00
ARM: 7431/1: amba: use the new linux/sizes.h Signed-off-by: Alessandro Rubini <rubini@gnudd.com> Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@st.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Cc: Alan Cox <alan@linux.intel.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-06-24 12:46:16 +01:00
ARM: 8256/1: driver coamba: add device binding path 'driver_override' As already demonstrated with PCI [1] and the platform bus [2], a driver_override property in sysfs can be used to bypass the id matching of a device to a AMBA driver. This can be used by VFIO to bind to any AMBA device requested by the user. [1] http://lists-archives.com/linux-kernel/28030441-pci-introduce-new-device-binding-path-using-pci_dev-driver_override.html [2] https://www.redhat.com/archives/libvir-list/2014-April/msg00382.html Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com> Reviewed-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-01-06 11:15:11 +01:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
[ARM] Fix realview build arch/arm/mach-realview/platsmp.c:140: error: 'jiffies' undeclared (first use in this function) drivers/amba/bus.c:246: error: 'NO_IRQ' undeclared (first use in this function) Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-01-08 09:58:51 +00:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
ARM: amba: make internal ID table handling const As all probe() functions now take a const pointer, we can make the bus level code deal with const pointers too. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-02-19 15:55:26 +00:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
ARM: 8256/1: driver coamba: add device binding path 'driver_override' As already demonstrated with PCI [1] and the platform bus [2], a driver_override property in sysfs can be used to bypass the id matching of a device to a AMBA driver. This can be used by VFIO to bind to any AMBA device requested by the user. [1] http://lists-archives.com/linux-kernel/28030441-pci-introduce-new-device-binding-path-using-pci_dev-driver_override.html [2] https://www.redhat.com/archives/libvir-list/2014-April/msg00382.html Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com> Reviewed-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-01-06 11:15:11 +01:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
Driver core: change add_uevent_var to use a struct This changes the uevent buffer functions to use a struct instead of a long list of parameters. It does no longer require the caller to do the proper buffer termination and size accounting, which is currently wrong in some places. It fixes a known bug where parts of the uevent environment are overwritten because of wrong index calculations. Many thanks to Mathieu Desnoyers for finding bugs and improving the error handling. Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Cc: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-08-14 15:15:12 +02:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
Driver core: change add_uevent_var to use a struct This changes the uevent buffer functions to use a struct instead of a long list of parameters. It does no longer require the caller to do the proper buffer termination and size accounting, which is currently wrong in some places. It fixes a known bug where parts of the uevent environment are overwritten because of wrong index calculations. Many thanks to Mathieu Desnoyers for finding bugs and improving the error handling. Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Cc: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-08-14 15:15:12 +02:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
Driver core: change add_uevent_var to use a struct This changes the uevent buffer functions to use a struct instead of a long list of parameters. It does no longer require the caller to do the proper buffer termination and size accounting, which is currently wrong in some places. It fixes a known bug where parts of the uevent environment are overwritten because of wrong index calculations. Many thanks to Mathieu Desnoyers for finding bugs and improving the error handling. Signed-off-by: Kay Sievers <kay.sievers@vrfy.org> Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> Cc: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-08-14 15:15:12 +02:00
ARM: amba: Auto-generate AMBA driver module aliases during modpost This patch adds the necessary support in file2alias.c to define suitable aliases based on the amba_id table in AMBA driver modules. This should be sufficient to allow such modules to be auto-loaded via udev. The AMBA bus driver's uevent hotplug code is also modified to pass an approriate MODALIAS string in the event. For simplicity, the AMBA ID is treated an an opaque 32-bit numeber. Module alises use patterns as appropriate to describe the value- mask pairs described in the driver's amba_id list. The proposed alias format is (extended regex): ^amba:d(HEX){8}$ Where HEX is a single upper-case HEX digit or a pattern (? or [] expression) matching a single upper-case HEX digit, as expected by udev. "d" is short for "device", following existing alias naming conventions for other device types. This adds some flexibility for unambiguously extending the alias format in the future by adding additional leading and trailing fields, if this turns out to be necessary. Signed-off-by: Dave Martin <dave.martin@linaro.org> Acked-by: Pawel Moll <pawel.moll@arm.com>
2011-10-05 14:44:57 +01:00
uevent: use add_uevent_var() instead of open coding it Make use of add_uevent_var() instead of (often incorrectly) open coding it. Signed-off-by: Michael Ellerman <michael@ellerman.id.au> Signed-off-by: Eric Rannaud <eric.rannaud@gmail.com> Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-03-30 22:23:12 -07:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
ARM: 8256/1: driver coamba: add device binding path 'driver_override' As already demonstrated with PCI [1] and the platform bus [2], a driver_override property in sysfs can be used to bypass the id matching of a device to a AMBA driver. This can be used by VFIO to bind to any AMBA device requested by the user. [1] http://lists-archives.com/linux-kernel/28030441-pci-introduce-new-device-binding-path-using-pci_dev-driver_override.html [2] https://www.redhat.com/archives/libvir-list/2014-April/msg00382.html Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com> Reviewed-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-01-06 11:15:11 +01:00
[ARM] Fix __must_check warnings in drivers/bus/amba.c Fix driver model __must_check warnings in drivers/bus/amba.c by rearranging how we add attributes to devices. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-11-30 14:04:49 +00:00
ARM: 8256/1: driver coamba: add device binding path 'driver_override' As already demonstrated with PCI [1] and the platform bus [2], a driver_override property in sysfs can be used to bypass the id matching of a device to a AMBA driver. This can be used by VFIO to bind to any AMBA device requested by the user. [1] http://lists-archives.com/linux-kernel/28030441-pci-introduce-new-device-binding-path-using-pci_dev-driver_override.html [2] https://www.redhat.com/archives/libvir-list/2014-April/msg00382.html Signed-off-by: Antonios Motakis <a.motakis@virtualopensystems.com> Reviewed-by: Kim Phillips <kim.phillips@freescale.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2015-01-06 11:15:11 +01:00
[ARM] Fix __must_check warnings in drivers/bus/amba.c Fix driver model __must_check warnings in drivers/bus/amba.c by rearranging how we add attributes to devices. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-11-30 14:04:49 +00:00
ARM: 7958/1: amba: Let runtime PM callbacks be available for CONFIG_PM Convert to the SET_PM_RUNTIME_PM macro while defining the runtime PM callbacks. This means the callbacks becomes available for both CONFIG_PM_SLEEP and CONFIG_PM_RUNTIME, which is needed by drivers and power domains. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-02-12 14:06:43 +01:00
PM: add runtime PM support to core Primecell driver Add runtime PM support to the core Primecell driver, following the PCI model of how this is done. Rather than having every driver fiddle about with enabling runtime PM, that's dealt with in the core and instead, drivers just do a put() in their probe and a balancing get() in their remove function to activate runtime PM for the device. As we're dealing with enabling runtime PM in the core, fix up spi-pl022 as it must not enable and disable runtime PM itself anymore. Tested-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-08-14 09:13:48 +01:00
ARM: 7366/3: amba: Remove AMBA level regulator support The AMBA bus regulator support is being used to model on/off switches for power domains which isn't terribly idiomatic for modern kernels with the generic power domain code and creates integration problems on platforms which don't use regulators for their power domains as it's hard to tell the difference between a regulator that is needed but failed to be provided and one that isn't supposed to be there (though DT does make that easier). Platforms that wish to use the regulator API to manage their power domains can indirect via the power domain interface. This feature is only used with the vape supply of the db8500 PRCMU driver which supplies the UARTs and MMC controllers, none of which have support for managing vcore at runtime in mainline (only pl022 SPI controller does). Update that supply to have an always_on constraint until the power domain support for the system is updated so that it is enabled for these users, this is likely to have no impact on practical systems as probably at least one of these devices will be active and cause AMBA to hold the supply on anyway. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Tested-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-04-13 13:11:50 +01:00
PM: add runtime PM support to core Primecell driver Add runtime PM support to the core Primecell driver, following the PCI model of how this is done. Rather than having every driver fiddle about with enabling runtime PM, that's dealt with in the core and instead, drivers just do a put() in their probe and a balancing get() in their remove function to activate runtime PM for the device. As we're dealing with enabling runtime PM in the core, fix up spi-pl022 as it must not enable and disable runtime PM itself anymore. Tested-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-08-14 09:13:48 +01:00
ARM: 8201/1: amba: Don't unprepare the clocks if device driver wants IRQ safe runtime PM v12 The AMBA bus driver defines runtime Power Management functions which disable and unprepare AMBA bus clock. This is problematic for runtime PM because unpreparing a clock might sleep so it is not interrupt safe. However some drivers may want to implement runtime PM functions in interrupt-safe way (see pm_runtime_irq_safe()). In such case the AMBA bus driver should only disable/enable the clock in runtime suspend and resume callbacks. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-11-14 09:48:27 +01:00
PM: add runtime PM support to core Primecell driver Add runtime PM support to the core Primecell driver, following the PCI model of how this is done. Rather than having every driver fiddle about with enabling runtime PM, that's dealt with in the core and instead, drivers just do a put() in their probe and a balancing get() in their remove function to activate runtime PM for the device. As we're dealing with enabling runtime PM in the core, fix up spi-pl022 as it must not enable and disable runtime PM itself anymore. Tested-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-08-14 09:13:48 +01:00
ARM: 8201/1: amba: Don't unprepare the clocks if device driver wants IRQ safe runtime PM v12 The AMBA bus driver defines runtime Power Management functions which disable and unprepare AMBA bus clock. This is problematic for runtime PM because unpreparing a clock might sleep so it is not interrupt safe. However some drivers may want to implement runtime PM functions in interrupt-safe way (see pm_runtime_irq_safe()). In such case the AMBA bus driver should only disable/enable the clock in runtime suspend and resume callbacks. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-11-14 09:48:27 +01:00
PM: add runtime PM support to core Primecell driver Add runtime PM support to the core Primecell driver, following the PCI model of how this is done. Rather than having every driver fiddle about with enabling runtime PM, that's dealt with in the core and instead, drivers just do a put() in their probe and a balancing get() in their remove function to activate runtime PM for the device. As we're dealing with enabling runtime PM in the core, fix up spi-pl022 as it must not enable and disable runtime PM itself anymore. Tested-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-08-14 09:13:48 +01:00
ARM: 8201/1: amba: Don't unprepare the clocks if device driver wants IRQ safe runtime PM v12 The AMBA bus driver defines runtime Power Management functions which disable and unprepare AMBA bus clock. This is problematic for runtime PM because unpreparing a clock might sleep so it is not interrupt safe. However some drivers may want to implement runtime PM functions in interrupt-safe way (see pm_runtime_irq_safe()). In such case the AMBA bus driver should only disable/enable the clock in runtime suspend and resume callbacks. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2014-11-14 09:48:27 +01:00
PM: add runtime PM support to core Primecell driver Add runtime PM support to the core Primecell driver, following the PCI model of how this is done. Rather than having every driver fiddle about with enabling runtime PM, that's dealt with in the core and instead, drivers just do a put() in their probe and a balancing get() in their remove function to activate runtime PM for the device. As we're dealing with enabling runtime PM in the core, fix up spi-pl022 as it must not enable and disable runtime PM itself anymore. Tested-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-08-14 09:13:48 +01:00
ARM: 6758/1: amba: support pm ops Support pm_ops in the AMBA bus, required to allow drivers to use runtime pm. The implementation of AMBA bus pm ops is based on the platform bus implementation. Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-02-23 04:33:17 +01:00
ARM: 7914/1: amba: Drop legacy PM support and use the pm_generic functions All AMBA drivers have converted to use the modern PM ops thus we can safely drop the legacy PM support from the bus. While using the modern PM ops it also makes sense to convert to use the pm_generic callback functions. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-12-09 10:38:20 +01:00
PM: Merge the SET*_RUNTIME_PM_OPS() macros The SET_PM_RUNTIME_PM_OPS() and SET_RUNTIME_PM_OPS() macros are identical except that one of them is not empty for CONFIG_PM set, while the other one is not empty for CONFIG_PM_RUNTIME set, respectively. However, after commit b2b49ccbdd54 (PM: Kconfig: Set PM_RUNTIME if PM_SLEEP is selected) PM_RUNTIME is always set if PM is set, so one of these macros is now redundant. For this reason, replace SET_PM_RUNTIME_PM_OPS() with SET_RUNTIME_PM_OPS() everywhere and redefine the SET_PM_RUNTIME_PM_OPS symbol as SET_RUNTIME_PM_OPS in case new code is starting to use the macro being removed here. Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Acked-by: Kevin Hilman <khilman@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-12-04 00:34:11 +01:00
PM: add runtime PM support to core Primecell driver Add runtime PM support to the core Primecell driver, following the PCI model of how this is done. Rather than having every driver fiddle about with enabling runtime PM, that's dealt with in the core and instead, drivers just do a put() in their probe and a balancing get() in their remove function to activate runtime PM for the device. As we're dealing with enabling runtime PM in the core, fix up spi-pl022 as it must not enable and disable runtime PM itself anymore. Tested-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-08-14 09:13:48 +01:00
PM / Runtime: Rework the "runtime idle" helper routine The "runtime idle" helper routine, rpm_idle(), currently ignores return values from .runtime_idle() callbacks executed by it. However, it turns out that many subsystems use pm_generic_runtime_idle() which checks the return value of the driver's callback and executes pm_runtime_suspend() for the device unless that value is not 0. If that logic is moved to rpm_idle() instead, pm_generic_runtime_idle() can be dropped and its users will not need any .runtime_idle() callbacks any more. Moreover, the PCI, SCSI, and SATA subsystems' .runtime_idle() routines, pci_pm_runtime_idle(), scsi_runtime_idle(), and ata_port_runtime_idle(), respectively, as well as a few drivers' ones may be simplified if rpm_idle() calls rpm_suspend() after 0 has been returned by the .runtime_idle() callback executed by it. To reduce overall code bloat, make the changes described above. Tested-by: Mika Westerberg <mika.westerberg@linux.intel.com> Tested-by: Kevin Hilman <khilman@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Acked-by: Kevin Hilman <khilman@linaro.org> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Acked-by: Alan Stern <stern@rowland.harvard.edu>
2013-06-03 21:49:52 +02:00
ARM: 6758/1: amba: support pm ops Support pm_ops in the AMBA bus, required to allow drivers to use runtime pm. The implementation of AMBA bus pm ops is based on the platform bus implementation. Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-02-23 04:33:17 +01:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
ARM: 6662/1: amba: make amba_bustype non-static Export amba_bustype struct so it can be used for things like registering bus notifiers. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-02-12 15:58:25 +01:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
[ARM] Fix __must_check warnings in drivers/bus/amba.c Fix driver model __must_check warnings in drivers/bus/amba.c by rearranging how we add attributes to devices. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-11-30 14:04:49 +00:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
[PATCH] driver kill hotplug word from sn and others fix The first of these changes s/hotplug/uevent/ was needed to compile sn2_defconfig (ia64/sn). The other three files changed are blind changes of all remaining bus_type.hotplug references I could find to bus_type.uevent. This patch attempts to finish similar changes made in the gregkh-driver-kill-hotplug-word-from-driver-core Nov 22 patch. Signed-off-by: Paul Jackson <pj@sgi.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2005-11-25 20:04:26 -08:00
ARM: 7914/1: amba: Drop legacy PM support and use the pm_generic functions All AMBA drivers have converted to use the modern PM ops thus we can safely drop the legacy PM support from the bus. While using the modern PM ops it also makes sense to convert to use the pm_generic callback functions. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-12-09 10:38:20 +01:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
ARM: AMBA: Add pclk support to AMBA bus infrastructure Some platforms gate the pclk (APB - the bus - clock) to the peripherals for power saving, along with the functional clock. When devices are accessed without pclk enabled, the kernel will oops. This gives them two options: 1. Leave all clocks on all the time. 2. Attempt to gate pclk along with the functional clock. (With some hardware, pclk and the functional clock are gated by a single bit in a register.) (1) has the disadvantage that it causes increased power usage, which is bad news for battery operated devices. (2) can lead to kernel oops if registers are accessed without the functional clock being enabled. So, introduce the apb_pclk signal in such a way existing drivers don't need to be updated. Essentially, this means we guarantee that: 1. pclk will be enabled whenever the driver is bound to a device - from probe() to remove() time. 2. pclk will also be enabled when reading the primecell IDs from the device. In order to allow drivers to be incrementally updated to achieve greater power savings, we provide two additional calls to allow drivers to manage the pclk - amba_pclk_enable()/amba_pclk_disable(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-15 10:47:14 +01:00
ARM: 7915/1: amba: Convert to clk_prepare_enable and clk_disable_unprepare To simplify code and error handling let's use clk_prepare_enable and clk_disable_unprepare. No functional change. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-12-09 10:39:13 +01:00
ARM: AMBA: Add pclk support to AMBA bus infrastructure Some platforms gate the pclk (APB - the bus - clock) to the peripherals for power saving, along with the functional clock. When devices are accessed without pclk enabled, the kernel will oops. This gives them two options: 1. Leave all clocks on all the time. 2. Attempt to gate pclk along with the functional clock. (With some hardware, pclk and the functional clock are gated by a single bit in a register.) (1) has the disadvantage that it causes increased power usage, which is bad news for battery operated devices. (2) can lead to kernel oops if registers are accessed without the functional clock being enabled. So, introduce the apb_pclk signal in such a way existing drivers don't need to be updated. Essentially, this means we guarantee that: 1. pclk will be enabled whenever the driver is bound to a device - from probe() to remove() time. 2. pclk will also be enabled when reading the primecell IDs from the device. In order to allow drivers to be incrementally updated to achieve greater power savings, we provide two additional calls to allow drivers to manage the pclk - amba_pclk_enable()/amba_pclk_disable(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-15 10:47:14 +01:00
ARM: 7915/1: amba: Convert to clk_prepare_enable and clk_disable_unprepare To simplify code and error handling let's use clk_prepare_enable and clk_disable_unprepare. No functional change. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-12-09 10:39:13 +01:00
ARM: AMBA: Add pclk support to AMBA bus infrastructure Some platforms gate the pclk (APB - the bus - clock) to the peripherals for power saving, along with the functional clock. When devices are accessed without pclk enabled, the kernel will oops. This gives them two options: 1. Leave all clocks on all the time. 2. Attempt to gate pclk along with the functional clock. (With some hardware, pclk and the functional clock are gated by a single bit in a register.) (1) has the disadvantage that it causes increased power usage, which is bad news for battery operated devices. (2) can lead to kernel oops if registers are accessed without the functional clock being enabled. So, introduce the apb_pclk signal in such a way existing drivers don't need to be updated. Essentially, this means we guarantee that: 1. pclk will be enabled whenever the driver is bound to a device - from probe() to remove() time. 2. pclk will also be enabled when reading the primecell IDs from the device. In order to allow drivers to be incrementally updated to achieve greater power savings, we provide two additional calls to allow drivers to manage the pclk - amba_pclk_enable()/amba_pclk_disable(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-15 10:47:14 +01:00
ARM: 7915/1: amba: Convert to clk_prepare_enable and clk_disable_unprepare To simplify code and error handling let's use clk_prepare_enable and clk_disable_unprepare. No functional change. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-12-09 10:39:13 +01:00
ARM: AMBA: Add pclk support to AMBA bus infrastructure Some platforms gate the pclk (APB - the bus - clock) to the peripherals for power saving, along with the functional clock. When devices are accessed without pclk enabled, the kernel will oops. This gives them two options: 1. Leave all clocks on all the time. 2. Attempt to gate pclk along with the functional clock. (With some hardware, pclk and the functional clock are gated by a single bit in a register.) (1) has the disadvantage that it causes increased power usage, which is bad news for battery operated devices. (2) can lead to kernel oops if registers are accessed without the functional clock being enabled. So, introduce the apb_pclk signal in such a way existing drivers don't need to be updated. Essentially, this means we guarantee that: 1. pclk will be enabled whenever the driver is bound to a device - from probe() to remove() time. 2. pclk will also be enabled when reading the primecell IDs from the device. In order to allow drivers to be incrementally updated to achieve greater power savings, we provide two additional calls to allow drivers to manage the pclk - amba_pclk_enable()/amba_pclk_disable(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-15 10:47:14 +01:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
ARM: amba: make internal ID table handling const As all probe() functions now take a const pointer, we can make the bus level code deal with const pointers too. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-02-19 15:55:26 +00:00
ARM: AMBA: Add pclk support to AMBA bus infrastructure Some platforms gate the pclk (APB - the bus - clock) to the peripherals for power saving, along with the functional clock. When devices are accessed without pclk enabled, the kernel will oops. This gives them two options: 1. Leave all clocks on all the time. 2. Attempt to gate pclk along with the functional clock. (With some hardware, pclk and the functional clock are gated by a single bit in a register.) (1) has the disadvantage that it causes increased power usage, which is bad news for battery operated devices. (2) can lead to kernel oops if registers are accessed without the functional clock being enabled. So, introduce the apb_pclk signal in such a way existing drivers don't need to be updated. Essentially, this means we guarantee that: 1. pclk will be enabled whenever the driver is bound to a device - from probe() to remove() time. 2. pclk will also be enabled when reading the primecell IDs from the device. In order to allow drivers to be incrementally updated to achieve greater power savings, we provide two additional calls to allow drivers to manage the pclk - amba_pclk_enable()/amba_pclk_disable(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-15 10:47:14 +01:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
ARM: AMBA: Add pclk support to AMBA bus infrastructure Some platforms gate the pclk (APB - the bus - clock) to the peripherals for power saving, along with the functional clock. When devices are accessed without pclk enabled, the kernel will oops. This gives them two options: 1. Leave all clocks on all the time. 2. Attempt to gate pclk along with the functional clock. (With some hardware, pclk and the functional clock are gated by a single bit in a register.) (1) has the disadvantage that it causes increased power usage, which is bad news for battery operated devices. (2) can lead to kernel oops if registers are accessed without the functional clock being enabled. So, introduce the apb_pclk signal in such a way existing drivers don't need to be updated. Essentially, this means we guarantee that: 1. pclk will be enabled whenever the driver is bound to a device - from probe() to remove() time. 2. pclk will also be enabled when reading the primecell IDs from the device. In order to allow drivers to be incrementally updated to achieve greater power savings, we provide two additional calls to allow drivers to manage the pclk - amba_pclk_enable()/amba_pclk_disable(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-15 10:47:14 +01:00
amba: Add support for attach/detach of PM domains AMBA devices may on some SoCs resides in PM domains. To be able to manage these devices from there, let's try to attach devices to their corresponding PM domain during the probe phase. To reverse these actions at the remove phase, we try to detach the device from its PM domain. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Reviewed-by: Kevin Hilman <khilman@linaro.org> Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-09-19 20:27:42 +02:00
ARM: AMBA: Add pclk support to AMBA bus infrastructure Some platforms gate the pclk (APB - the bus - clock) to the peripherals for power saving, along with the functional clock. When devices are accessed without pclk enabled, the kernel will oops. This gives them two options: 1. Leave all clocks on all the time. 2. Attempt to gate pclk along with the functional clock. (With some hardware, pclk and the functional clock are gated by a single bit in a register.) (1) has the disadvantage that it causes increased power usage, which is bad news for battery operated devices. (2) can lead to kernel oops if registers are accessed without the functional clock being enabled. So, introduce the apb_pclk signal in such a way existing drivers don't need to be updated. Essentially, this means we guarantee that: 1. pclk will be enabled whenever the driver is bound to a device - from probe() to remove() time. 2. pclk will also be enabled when reading the primecell IDs from the device. In order to allow drivers to be incrementally updated to achieve greater power savings, we provide two additional calls to allow drivers to manage the pclk - amba_pclk_enable()/amba_pclk_disable(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-15 10:47:14 +01:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
amba: Add support for attach/detach of PM domains AMBA devices may on some SoCs resides in PM domains. To be able to manage these devices from there, let's try to attach devices to their corresponding PM domain during the probe phase. To reverse these actions at the remove phase, we try to detach the device from its PM domain. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Reviewed-by: Kevin Hilman <khilman@linaro.org> Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-09-19 20:27:42 +02:00
PM: add runtime PM support to core Primecell driver Add runtime PM support to the core Primecell driver, following the PCI model of how this is done. Rather than having every driver fiddle about with enabling runtime PM, that's dealt with in the core and instead, drivers just do a put() in their probe and a balancing get() in their remove function to activate runtime PM for the device. As we're dealing with enabling runtime PM in the core, fix up spi-pl022 as it must not enable and disable runtime PM itself anymore. Tested-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-08-14 09:13:48 +01:00
ARM: AMBA: Add pclk support to AMBA bus infrastructure Some platforms gate the pclk (APB - the bus - clock) to the peripherals for power saving, along with the functional clock. When devices are accessed without pclk enabled, the kernel will oops. This gives them two options: 1. Leave all clocks on all the time. 2. Attempt to gate pclk along with the functional clock. (With some hardware, pclk and the functional clock are gated by a single bit in a register.) (1) has the disadvantage that it causes increased power usage, which is bad news for battery operated devices. (2) can lead to kernel oops if registers are accessed without the functional clock being enabled. So, introduce the apb_pclk signal in such a way existing drivers don't need to be updated. Essentially, this means we guarantee that: 1. pclk will be enabled whenever the driver is bound to a device - from probe() to remove() time. 2. pclk will also be enabled when reading the primecell IDs from the device. In order to allow drivers to be incrementally updated to achieve greater power savings, we provide two additional calls to allow drivers to manage the pclk - amba_pclk_enable()/amba_pclk_disable(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-15 10:47:14 +01:00
PM: add runtime PM support to core Primecell driver Add runtime PM support to the core Primecell driver, following the PCI model of how this is done. Rather than having every driver fiddle about with enabling runtime PM, that's dealt with in the core and instead, drivers just do a put() in their probe and a balancing get() in their remove function to activate runtime PM for the device. As we're dealing with enabling runtime PM in the core, fix up spi-pl022 as it must not enable and disable runtime PM itself anymore. Tested-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-08-14 09:13:48 +01:00
ARM: AMBA: Add pclk support to AMBA bus infrastructure Some platforms gate the pclk (APB - the bus - clock) to the peripherals for power saving, along with the functional clock. When devices are accessed without pclk enabled, the kernel will oops. This gives them two options: 1. Leave all clocks on all the time. 2. Attempt to gate pclk along with the functional clock. (With some hardware, pclk and the functional clock are gated by a single bit in a register.) (1) has the disadvantage that it causes increased power usage, which is bad news for battery operated devices. (2) can lead to kernel oops if registers are accessed without the functional clock being enabled. So, introduce the apb_pclk signal in such a way existing drivers don't need to be updated. Essentially, this means we guarantee that: 1. pclk will be enabled whenever the driver is bound to a device - from probe() to remove() time. 2. pclk will also be enabled when reading the primecell IDs from the device. In order to allow drivers to be incrementally updated to achieve greater power savings, we provide two additional calls to allow drivers to manage the pclk - amba_pclk_enable()/amba_pclk_disable(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-15 10:47:14 +01:00
amba: Add support for attach/detach of PM domains AMBA devices may on some SoCs resides in PM domains. To be able to manage these devices from there, let's try to attach devices to their corresponding PM domain during the probe phase. To reverse these actions at the remove phase, we try to detach the device from its PM domain. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Reviewed-by: Kevin Hilman <khilman@linaro.org> Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-09-19 20:27:42 +02:00
ARM: AMBA: Add pclk support to AMBA bus infrastructure Some platforms gate the pclk (APB - the bus - clock) to the peripherals for power saving, along with the functional clock. When devices are accessed without pclk enabled, the kernel will oops. This gives them two options: 1. Leave all clocks on all the time. 2. Attempt to gate pclk along with the functional clock. (With some hardware, pclk and the functional clock are gated by a single bit in a register.) (1) has the disadvantage that it causes increased power usage, which is bad news for battery operated devices. (2) can lead to kernel oops if registers are accessed without the functional clock being enabled. So, introduce the apb_pclk signal in such a way existing drivers don't need to be updated. Essentially, this means we guarantee that: 1. pclk will be enabled whenever the driver is bound to a device - from probe() to remove() time. 2. pclk will also be enabled when reading the primecell IDs from the device. In order to allow drivers to be incrementally updated to achieve greater power savings, we provide two additional calls to allow drivers to manage the pclk - amba_pclk_enable()/amba_pclk_disable(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-15 10:47:14 +01:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
ARM: AMBA: Add pclk support to AMBA bus infrastructure Some platforms gate the pclk (APB - the bus - clock) to the peripherals for power saving, along with the functional clock. When devices are accessed without pclk enabled, the kernel will oops. This gives them two options: 1. Leave all clocks on all the time. 2. Attempt to gate pclk along with the functional clock. (With some hardware, pclk and the functional clock are gated by a single bit in a register.) (1) has the disadvantage that it causes increased power usage, which is bad news for battery operated devices. (2) can lead to kernel oops if registers are accessed without the functional clock being enabled. So, introduce the apb_pclk signal in such a way existing drivers don't need to be updated. Essentially, this means we guarantee that: 1. pclk will be enabled whenever the driver is bound to a device - from probe() to remove() time. 2. pclk will also be enabled when reading the primecell IDs from the device. In order to allow drivers to be incrementally updated to achieve greater power savings, we provide two additional calls to allow drivers to manage the pclk - amba_pclk_enable()/amba_pclk_disable(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-15 10:47:14 +01:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
PM: add runtime PM support to core Primecell driver Add runtime PM support to the core Primecell driver, following the PCI model of how this is done. Rather than having every driver fiddle about with enabling runtime PM, that's dealt with in the core and instead, drivers just do a put() in their probe and a balancing get() in their remove function to activate runtime PM for the device. As we're dealing with enabling runtime PM in the core, fix up spi-pl022 as it must not enable and disable runtime PM itself anymore. Tested-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-08-14 09:13:48 +01:00
ARM: AMBA: Add pclk support to AMBA bus infrastructure Some platforms gate the pclk (APB - the bus - clock) to the peripherals for power saving, along with the functional clock. When devices are accessed without pclk enabled, the kernel will oops. This gives them two options: 1. Leave all clocks on all the time. 2. Attempt to gate pclk along with the functional clock. (With some hardware, pclk and the functional clock are gated by a single bit in a register.) (1) has the disadvantage that it causes increased power usage, which is bad news for battery operated devices. (2) can lead to kernel oops if registers are accessed without the functional clock being enabled. So, introduce the apb_pclk signal in such a way existing drivers don't need to be updated. Essentially, this means we guarantee that: 1. pclk will be enabled whenever the driver is bound to a device - from probe() to remove() time. 2. pclk will also be enabled when reading the primecell IDs from the device. In order to allow drivers to be incrementally updated to achieve greater power savings, we provide two additional calls to allow drivers to manage the pclk - amba_pclk_enable()/amba_pclk_disable(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-15 10:47:14 +01:00
amba: Add support for attach/detach of PM domains AMBA devices may on some SoCs resides in PM domains. To be able to manage these devices from there, let's try to attach devices to their corresponding PM domain during the probe phase. To reverse these actions at the remove phase, we try to detach the device from its PM domain. Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> Reviewed-by: Kevin Hilman <khilman@linaro.org> Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-09-19 20:27:42 +02:00
ARM: AMBA: Add pclk support to AMBA bus infrastructure Some platforms gate the pclk (APB - the bus - clock) to the peripherals for power saving, along with the functional clock. When devices are accessed without pclk enabled, the kernel will oops. This gives them two options: 1. Leave all clocks on all the time. 2. Attempt to gate pclk along with the functional clock. (With some hardware, pclk and the functional clock are gated by a single bit in a register.) (1) has the disadvantage that it causes increased power usage, which is bad news for battery operated devices. (2) can lead to kernel oops if registers are accessed without the functional clock being enabled. So, introduce the apb_pclk signal in such a way existing drivers don't need to be updated. Essentially, this means we guarantee that: 1. pclk will be enabled whenever the driver is bound to a device - from probe() to remove() time. 2. pclk will also be enabled when reading the primecell IDs from the device. In order to allow drivers to be incrementally updated to achieve greater power savings, we provide two additional calls to allow drivers to manage the pclk - amba_pclk_enable()/amba_pclk_disable(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-15 10:47:14 +01:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
ARM: amba: add amba_device allocation/add/put functions Add functions to allocate and initialize AMBA device structures, and add them to the Linux device manager. This allows us to kill this type of operation from individual platforms, moving it to core code. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-12-18 11:07:47 +00:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
ARM: amba: add amba_device allocation/add/put functions Add functions to allocate and initialize AMBA device structures, and add them to the Linux device manager. This allows us to kill this type of operation from individual platforms, moving it to core code. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-12-18 11:07:47 +00:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
ARM: amba: add amba_device allocation/add/put functions Add functions to allocate and initialize AMBA device structures, and add them to the Linux device manager. This allows us to kill this type of operation from individual platforms, moving it to core code. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-12-18 11:07:47 +00:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
ARM: 5625/1: fix hard coded 4K resource size in amba bus detection This patch modifies the amba bus detection logic in the kernel to detect the AMBA devices using the calculated resource size information rather than the hard coded 4K size. It also calculates the resource size when request mem region and release mem region. Signed-off-by: Leo Chen <leochen@broadcom.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-07-28 23:34:59 +01:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
ARM: amba: make use of -1 IRQs warn Make the core warn about the use of -1 (NO_IRQ) Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-12-18 11:43:56 +00:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
[ARM] Fix __must_check warnings in drivers/bus/amba.c Fix driver model __must_check warnings in drivers/bus/amba.c by rearranging how we add attributes to devices. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-11-30 14:04:49 +00:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
ARM: 6829/1: amba: make hardcoded periphid override hardware This makes a hardcoded periphid from the platform override any magic number found in the hardware. This shall henceforth be used when the information found in the hardware is either missing, i.e. not encoding the CID with the magic cookie 0xb105f00d, or incorrect such that the revision number should have been bumped in hardware, but the silicon designer has failed to do so. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-03-24 16:12:40 +01:00
ARM: 5625/1: fix hard coded 4K resource size in amba bus detection This patch modifies the amba bus detection logic in the kernel to detect the AMBA devices using the calculated resource size information rather than the hard coded 4K size. It also calculates the resource size when request mem region and release mem region. Signed-off-by: Leo Chen <leochen@broadcom.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-07-28 23:34:59 +01:00
[ARM] Fix __must_check warnings in drivers/bus/amba.c Fix driver model __must_check warnings in drivers/bus/amba.c by rearranging how we add attributes to devices. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-11-30 14:04:49 +00:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
[ARM] Fix __must_check warnings in drivers/bus/amba.c Fix driver model __must_check warnings in drivers/bus/amba.c by rearranging how we add attributes to devices. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-11-30 14:04:49 +00:00
ARM: AMBA: Add pclk support to AMBA bus infrastructure Some platforms gate the pclk (APB - the bus - clock) to the peripherals for power saving, along with the functional clock. When devices are accessed without pclk enabled, the kernel will oops. This gives them two options: 1. Leave all clocks on all the time. 2. Attempt to gate pclk along with the functional clock. (With some hardware, pclk and the functional clock are gated by a single bit in a register.) (1) has the disadvantage that it causes increased power usage, which is bad news for battery operated devices. (2) can lead to kernel oops if registers are accessed without the functional clock being enabled. So, introduce the apb_pclk signal in such a way existing drivers don't need to be updated. Essentially, this means we guarantee that: 1. pclk will be enabled whenever the driver is bound to a device - from probe() to remove() time. 2. pclk will also be enabled when reading the primecell IDs from the device. In order to allow drivers to be incrementally updated to achieve greater power savings, we provide two additional calls to allow drivers to manage the pclk - amba_pclk_enable()/amba_pclk_disable(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-15 10:47:14 +01:00
coresight: add CoreSight core layer framework CoreSight components are compliant with the ARM CoreSight architecture specification and can be connected in various topologies to suit a particular SoC tracing needs. These trace components can generally be classified as sources, links and sinks. Trace data produced by one or more sources flows through the intermediate links connecting the source to the currently selected sink. The CoreSight framework provides an interface for the CoreSight trace drivers to register themselves with. It's intended to build up a topological view of the CoreSight components and configure the correct serie of components on user input via sysfs. For eg., when enabling a source, the framework builds up a path consisting of all the components connecting the source to the currently selected sink(s) and enables all of them. The framework also supports switching between available sinks and provides status information to user space applications through the debugfs interface. Signed-off-by: Pratik Patel <pratikp@codeaurora.org> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-03 11:07:35 -07:00
ARM: AMBA: Add pclk support to AMBA bus infrastructure Some platforms gate the pclk (APB - the bus - clock) to the peripherals for power saving, along with the functional clock. When devices are accessed without pclk enabled, the kernel will oops. This gives them two options: 1. Leave all clocks on all the time. 2. Attempt to gate pclk along with the functional clock. (With some hardware, pclk and the functional clock are gated by a single bit in a register.) (1) has the disadvantage that it causes increased power usage, which is bad news for battery operated devices. (2) can lead to kernel oops if registers are accessed without the functional clock being enabled. So, introduce the apb_pclk signal in such a way existing drivers don't need to be updated. Essentially, this means we guarantee that: 1. pclk will be enabled whenever the driver is bound to a device - from probe() to remove() time. 2. pclk will also be enabled when reading the primecell IDs from the device. In order to allow drivers to be incrementally updated to achieve greater power savings, we provide two additional calls to allow drivers to manage the pclk - amba_pclk_enable()/amba_pclk_disable(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-15 10:47:14 +01:00
[ARM] Fix __must_check warnings in drivers/bus/amba.c Fix driver model __must_check warnings in drivers/bus/amba.c by rearranging how we add attributes to devices. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-11-30 14:04:49 +00:00
ARM: AMBA: Add pclk support to AMBA bus infrastructure Some platforms gate the pclk (APB - the bus - clock) to the peripherals for power saving, along with the functional clock. When devices are accessed without pclk enabled, the kernel will oops. This gives them two options: 1. Leave all clocks on all the time. 2. Attempt to gate pclk along with the functional clock. (With some hardware, pclk and the functional clock are gated by a single bit in a register.) (1) has the disadvantage that it causes increased power usage, which is bad news for battery operated devices. (2) can lead to kernel oops if registers are accessed without the functional clock being enabled. So, introduce the apb_pclk signal in such a way existing drivers don't need to be updated. Essentially, this means we guarantee that: 1. pclk will be enabled whenever the driver is bound to a device - from probe() to remove() time. 2. pclk will also be enabled when reading the primecell IDs from the device. In order to allow drivers to be incrementally updated to achieve greater power savings, we provide two additional calls to allow drivers to manage the pclk - amba_pclk_enable()/amba_pclk_disable(). Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2010-07-15 10:47:14 +01:00
[ARM] Fix __must_check warnings in drivers/bus/amba.c Fix driver model __must_check warnings in drivers/bus/amba.c by rearranging how we add attributes to devices. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-11-30 14:04:49 +00:00
ARM: 6829/1: amba: make hardcoded periphid override hardware This makes a hardcoded periphid from the platform override any magic number found in the hardware. This shall henceforth be used when the information found in the hardware is either missing, i.e. not encoding the CID with the magic cookie 0xb105f00d, or incorrect such that the revision number should have been bumped in hardware, but the silicon designer has failed to do so. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-03-24 16:12:40 +01:00
[ARM] amba: fix amba device resources AMBA device resources were being reported as: 10004000-10004fff : <BAD> This is because dev_name() was returning NULL prior to device_register. Ensure that the struct device is properly initialized, and the name is set before adding it to the device tree. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-07-05 22:39:08 +01:00
[ARM] Fix __must_check warnings in drivers/bus/amba.c Fix driver model __must_check warnings in drivers/bus/amba.c by rearranging how we add attributes to devices. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-11-30 14:04:49 +00:00
AMBA: get rid of last two uses of NO_IRQ This gets rid of the last two users of NO_IRQ in AMBA primecell drivers. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-05-03 11:33:15 +01:00
[ARM] Fix __must_check warnings in drivers/bus/amba.c Fix driver model __must_check warnings in drivers/bus/amba.c by rearranging how we add attributes to devices. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-11-30 14:04:49 +00:00
AMBA: get rid of last two uses of NO_IRQ This gets rid of the last two users of NO_IRQ in AMBA primecell drivers. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-05-03 11:33:15 +01:00
[ARM] Fix __must_check warnings in drivers/bus/amba.c Fix driver model __must_check warnings in drivers/bus/amba.c by rearranging how we add attributes to devices. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-11-30 14:04:49 +00:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
ARM: amba: add amba_device allocation/add/put functions Add functions to allocate and initialize AMBA device structures, and add them to the Linux device manager. This allows us to kill this type of operation from individual platforms, moving it to core code. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-12-18 11:07:47 +00:00
ARM: 7369/1: amba: add functions to add devices dynamically Add two functions to add APB and AHB devices to the amba (PrimeCell) bus dynamically. This is modeled after the static definition macros recently introduced into <linux/amba/bus.h> and can help us in factoring out a bunch of code across the kernel. Since a lot of call sites seem to be using a returned struct amba device* pointer, let's use that. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-04-03 11:58:42 +01:00
ARM: 7588/1: amba: create a resource parent registrator This creates amba_apb_device_add_res() and amba_ahb_device_add_res() respectively, to add devices with another parent than iomem_resource. This is needed to specify that a device is contained in a specific IO range. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-11-30 16:30:43 +01:00
ARM: 7369/1: amba: add functions to add devices dynamically Add two functions to add APB and AHB devices to the amba (PrimeCell) bus dynamically. This is modeled after the static definition macros recently introduced into <linux/amba/bus.h> and can help us in factoring out a bunch of code across the kernel. Since a lot of call sites seem to be using a returned struct amba device* pointer, let's use that. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-04-03 11:58:42 +01:00
ARM: 7588/1: amba: create a resource parent registrator This creates amba_apb_device_add_res() and amba_ahb_device_add_res() respectively, to add devices with another parent than iomem_resource. This is needed to specify that a device is contained in a specific IO range. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-11-30 16:30:43 +01:00
ARM: 7369/1: amba: add functions to add devices dynamically Add two functions to add APB and AHB devices to the amba (PrimeCell) bus dynamically. This is modeled after the static definition macros recently introduced into <linux/amba/bus.h> and can help us in factoring out a bunch of code across the kernel. Since a lot of call sites seem to be using a returned struct amba device* pointer, let's use that. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-04-03 11:58:42 +01:00
ARM: 7588/1: amba: create a resource parent registrator This creates amba_apb_device_add_res() and amba_ahb_device_add_res() respectively, to add devices with another parent than iomem_resource. This is needed to specify that a device is contained in a specific IO range. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-11-30 16:30:43 +01:00
ARM: 7369/1: amba: add functions to add devices dynamically Add two functions to add APB and AHB devices to the amba (PrimeCell) bus dynamically. This is modeled after the static definition macros recently introduced into <linux/amba/bus.h> and can help us in factoring out a bunch of code across the kernel. Since a lot of call sites seem to be using a returned struct amba device* pointer, let's use that. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-04-03 11:58:42 +01:00
ARM: 7588/1: amba: create a resource parent registrator This creates amba_apb_device_add_res() and amba_ahb_device_add_res() respectively, to add devices with another parent than iomem_resource. This is needed to specify that a device is contained in a specific IO range. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-11-30 16:30:43 +01:00
ARM: 7369/1: amba: add functions to add devices dynamically Add two functions to add APB and AHB devices to the amba (PrimeCell) bus dynamically. This is modeled after the static definition macros recently introduced into <linux/amba/bus.h> and can help us in factoring out a bunch of code across the kernel. Since a lot of call sites seem to be using a returned struct amba device* pointer, let's use that. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-04-03 11:58:42 +01:00
ARM: 7588/1: amba: create a resource parent registrator This creates amba_apb_device_add_res() and amba_ahb_device_add_res() respectively, to add devices with another parent than iomem_resource. This is needed to specify that a device is contained in a specific IO range. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2012-11-30 16:30:43 +01:00
ARM: amba: add amba_device allocation/add/put functions Add functions to allocate and initialize AMBA device structures, and add them to the Linux device manager. This allows us to kill this type of operation from individual platforms, moving it to core code. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-12-18 11:07:47 +00:00
DMA-API: amba: get rid of separate dma_mask AMBA Primecell devices always treat streaming and coherent DMA exactly the same, so there's no point in having the masks separated. Acked-by: Grant Likely <grant.likely@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2013-06-27 10:25:33 +01:00
ARM: amba: add amba_device allocation/add/put functions Add functions to allocate and initialize AMBA device structures, and add them to the Linux device manager. This allows us to kill this type of operation from individual platforms, moving it to core code. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-12-18 11:07:47 +00:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
amba: struct device - replace bus_id with dev_name(), dev_set_name() Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
2009-03-24 16:38:22 -07:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
ARM: 5625/1: fix hard coded 4K resource size in amba bus detection This patch modifies the amba bus detection logic in the kernel to detect the AMBA devices using the calculated resource size information rather than the hard coded 4K size. It also calculates the resource size when request mem region and release mem region. Signed-off-by: Leo Chen <leochen@broadcom.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-07-28 23:34:59 +01:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
ARM: 5625/1: fix hard coded 4K resource size in amba bus detection This patch modifies the amba bus detection logic in the kernel to detect the AMBA devices using the calculated resource size information rather than the hard coded 4K size. It also calculates the resource size when request mem region and release mem region. Signed-off-by: Leo Chen <leochen@broadcom.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-07-28 23:34:59 +01:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
Fix common misspellings Fixes generated by 'codespell' and manually reviewed. Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
2011-03-30 22:57:33 -03:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00
ARM: 5625/1: fix hard coded 4K resource size in amba bus detection This patch modifies the amba bus detection logic in the kernel to detect the AMBA devices using the calculated resource size information rather than the hard coded 4K size. It also calculates the resource size when request mem region and release mem region. Signed-off-by: Leo Chen <leochen@broadcom.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-07-28 23:34:59 +01:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-16 15:20:36 -07:00