- Remove noisy warnings about experimental support which spams the logs
- Add padding to align directory and attr structures correctly
- Set block number on child buffer on a root btree split
- Disable verifiers during log recovery for non-CRC filesystems
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Merge tag 'for-linus-v3.10-rc6' of git://oss.sgi.com/xfs/xfs
Pull xfs fixes from Ben Myers:
- Remove noisy warnings about experimental support which spams the logs
- Add padding to align directory and attr structures correctly
- Set block number on child buffer on a root btree split
- Disable verifiers during log recovery for non-CRC filesystems
* tag 'for-linus-v3.10-rc6' of git://oss.sgi.com/xfs/xfs:
xfs: don't shutdown log recovery on validation errors
xfs: ensure btree root split sets blkno correctly
xfs: fix implicit padding in directory and attr CRC formats
xfs: don't emit v5 superblock warnings on write
Here are some small mei driver fixes for 3.10-rc6 that fix some reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char / misc fixes from Greg Kroah-Hartman:
"Here are some small mei driver fixes for 3.10-rc6 that fix some
reported problems"
* tag 'char-misc-3.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
mei: me: clear interrupts on the resume path
mei: nfc: fix nfc device freeing
mei: init: Flush scheduled work before resetting the device
Here are some small USB driver fixes that resolve some reported problems
for 3.10-rc6
Nothing major, just 3 USB serial driver fixes, and two chipidea fixes.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg Kroah-Hartman:
"Here are some small USB driver fixes that resolve some reported
problems for 3.10-rc6
Nothing major, just 3 USB serial driver fixes, and two chipidea fixes"
* tag 'usb-3.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: chipidea: fix id change handling
usb: chipidea: fix no transceiver case
USB: pl2303: fix device initialisation at open
USB: spcp8x5: fix device initialisation at open
USB: f81232: fix device initialisation at open
When replaying interrupts (as a result of the interrupt occurring
while soft-disabled), in the case of the decrementer, we are exclusively
testing for a pending timer target. However we also use decrementer
interrupts to trigger the new "irq_work", which in this case would
be missed.
This change the logic to force a replay in both cases of a timer
boundary reached and a decrementer interrupt having actually occurred
while disabled. The former test is still useful to catch cases where
a CPU having been hard-disabled for a long time completely misses the
interrupt due to a decrementer rollover.
CC: <stable@vger.kernel.org> [v3.4+]
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Tested-by: Steven Rostedt <rostedt@goodmis.org>
Normally, the kernel emulates a few instructions that are unimplemented
on some processors (e.g. the old dcba instruction), or privileged (e.g.
mfpvr). The emulation of unimplemented instructions is currently not
working on the PowerNV platform. The reason is that on these machines,
unimplemented and illegal instructions cause a hypervisor emulation
assist interrupt, rather than a program interrupt as on older CPUs.
Our vector for the emulation assist interrupt just calls
program_check_exception() directly, without setting the bit in SRR1
that indicates an illegal instruction interrupt. This fixes it by
making the emulation assist interrupt set that bit before calling
program_check_interrupt(). With this, old programs that use no-longer
implemented instructions such as dcba now work again.
CC: <stable@vger.kernel.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
It's possible for us to crash when running with ftrace enabled, eg:
Bad kernel stack pointer bffffd12 at c00000000000a454
cpu 0x3: Vector: 300 (Data Access) at [c00000000ffe3d40]
pc: c00000000000a454: resume_kernel+0x34/0x60
lr: c00000000000335c: performance_monitor_common+0x15c/0x180
sp: bffffd12
msr: 8000000000001032
dar: bffffd12
dsisr: 42000000
If we look at current's stack (paca->__current->stack) we see it is
equal to c0000002ecab0000. Our stack is 16K, and comparing to
paca->kstack (c0000002ecab3e30) we can see that we have overflowed our
kernel stack. This leads to us writing over our struct thread_info, and
in this case we have corrupted thread_info->flags and set
_TIF_EMULATE_STACK_STORE.
Dumping the stack we see:
3:mon> t c0000002ecab0000
[c0000002ecab0000] c00000000002131c .performance_monitor_exception+0x5c/0x70
[c0000002ecab0080] c00000000000335c performance_monitor_common+0x15c/0x180
--- Exception: f01 (Performance Monitor) at c0000000000fb2ec .trace_hardirqs_off+0x1c/0x30
[c0000002ecab0370] c00000000016fdb0 .trace_graph_entry+0xb0/0x280 (unreliable)
[c0000002ecab0410] c00000000003d038 .prepare_ftrace_return+0x98/0x130
[c0000002ecab04b0] c00000000000a920 .ftrace_graph_caller+0x14/0x28
[c0000002ecab0520] c0000000000d6b58 .idle_cpu+0x18/0x90
[c0000002ecab05a0] c00000000000a934 .return_to_handler+0x0/0x34
[c0000002ecab0620] c00000000001e660 .timer_interrupt+0x160/0x300
[c0000002ecab06d0] c0000000000025dc decrementer_common+0x15c/0x180
--- Exception: 901 (Decrementer) at c0000000000104d4 .arch_local_irq_restore+0x74/0xa0
[c0000002ecab09c0] c0000000000fe044 .trace_hardirqs_on+0x14/0x30 (unreliable)
[c0000002ecab0fb0] c00000000016fe3c .trace_graph_entry+0x13c/0x280
[c0000002ecab1050] c00000000003d038 .prepare_ftrace_return+0x98/0x130
[c0000002ecab10f0] c00000000000a920 .ftrace_graph_caller+0x14/0x28
[c0000002ecab1160] c0000000000161f0 .__ppc64_runlatch_on+0x10/0x40
[c0000002ecab11d0] c00000000000a934 .return_to_handler+0x0/0x34
--- Exception: 901 (Decrementer) at c0000000000104d4 .arch_local_irq_restore+0x74/0xa0
... and so on
__ppc64_runlatch_on() is called from RUNLATCH_ON in the exception entry
path. At that point the irq state is not consistent, ie. interrupts are
hard disabled (by the exception entry), but the paca soft-enabled flag
may be out of sync.
This leads to the local_irq_restore() in trace_graph_entry() actually
enabling interrupts, which we do not want. Because we have not yet
reprogrammed the decrementer we immediately take another decrementer
exception, and recurse.
The fix is twofold. Firstly make sure we call DISABLE_INTS before
calling RUNLATCH_ON. The badly named DISABLE_INTS actually reconciles
the irq state in the paca with the hardware, making it safe again to
call local_irq_save/restore().
Although that should be sufficient to fix the bug, we also mark the
runlatch routines as notrace. They are called very early in the
exception entry and we are asking for trouble tracing them. They are
also fairly uninteresting and tracing them just adds unnecessary
overhead.
[ This regression was introduced by fe1952fc0a
"powerpc: Rework runlatch code" by myself --BenH
]
CC: <stable@vger.kernel.org> [v3.4+]
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Merge tag 'at91-drivers' of git://github.com/at91linux/linux-at91 into next/drivers
From Nicolas Ferre:
Adding the DT support to USB gadget High-Speed aka usba.
* tag 'at91-drivers' of git://github.com/at91linux/linux-at91:
USB: gadget: atmel_usba: add DT support
USB: gadget: atmel_usba: allow multi instance
USB: gadget: atmel_usba: move global struct usba_ep usba_ep to struct usba_udc
ARM: at91: udpate defconfigs
ARM: at91: dt: switch to standard IRQ flag defines
ARM: at91: dt: switch to pinctrl to pre-processor
ARM: at91: dt: add pinctrl pre-processor define
ARM: at91: dt: switch to standard GPIO flag defines.
ARM: at91: dt: use #include for all device trees
Signed-off-by: Olof Johansson <olof@lixom.net>
Conflicts:
arch/arm/boot/dts/at91sam9260.dtsi
arch/arm/boot/dts/sama5d3.dtsi
- DMA binding update with one patch shared with slave-dma tree
- more SPI DT activation
- enable the USB gadget HS for DT platforms
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Merge tag 'at91-dt' of git://github.com/at91linux/linux-at91 into next/dt
From Nicolas Ferre:
Again some nice DT updates for AT91:
- DMA binding update with one patch shared with slave-dma tree
- more SPI DT activation
- enable the USB gadget HS for DT platforms
* tag 'at91-dt' of git://github.com/at91linux/linux-at91:
ARM: at91: sam9m10g45ek add udc DT support
ARM: at91: sam9g45 add udc DT support
ARM: at91: sam9x5ek add udc DT support
ARM: at91: sam9x5 add udc DT support
ARM: at91: dt: at91sam9x5: add SPI DMA client infos
ARM: at91: dt: switch DMA DT bindings to pre-processor
ARM: at91: dt: add header to define at_hdmac configuration
- Switch to using the sun5i clocks for the A13
- Register the pio node as an interrupt controller
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Merge tag 'sunxi-dt-for-3.11' of git://github.com/mripard/linux into next/dt
From Maxime Ripard:
Allwinner SoCs DT additions for 3.11
- Switch to using the sun5i clocks for the A13
- Register the pio node as an interrupt controller
* tag 'sunxi-dt-for-3.11' of git://github.com/mripard/linux:
ARM: sunxi: dt: Register the pio node as interrupt controller
ARM: sun5i: Update the clock compatible strings
Signed-off-by: Olof Johansson <olof@lixom.net>
exit_notify() does exit_task_namespaces() after
forget_original_parent(). This was needed to ensure that ->nsproxy
can't be cleared prematurely, an exiting child we are going to
reparent can do do_notify_parent() and use the parent's (ours) pid_ns.
However, after 32084504 "pidns: use task_active_pid_ns in
do_notify_parent" ->nsproxy != NULL is no longer needed, we rely
on task_active_pid_ns().
Move exit_task_namespaces() from exit_notify() to do_exit(), after
exit_fs() and before exit_task_work().
This solves the problem reported by Andrey, free_ipc_ns()->shm_destroy()
does fput() which needs task_work_add().
Note: this particular problem can be fixed if we change fput(), and
that change makes sense anyway. But there is another reason to move
the callsite. The original reason for exit_task_namespaces() from
the middle of exit_notify() was subtle and it has already gone away,
now this looks confusing. And this allows us do simplify exit_notify(),
we can avoid unlock/lock(tasklist) and we can use ->exit_state instead
of PF_EXITING in forget_original_parent().
Reported-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fput() assumes that it can't be called after exit_task_work() but
this is not true, for example free_ipc_ns()->shm_destroy() can do
this. In this case fput() silently leaks the file.
Change it to fallback to delayed_fput_work if task_work_add() fails.
The patch looks complicated but it is not, it changes the code from
if (PF_KTHREAD) {
schedule_work(...);
return;
}
task_work_add(...)
to
if (!PF_KTHREAD) {
if (!task_work_add(...))
return;
/* fallback */
}
schedule_work(...);
As for shm_destroy() in particular, we could make another fix but I
think this change makes sense anyway. There could be another similar
user, it is not safe to assume that task_work_add() can't fail.
Reported-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
These are a handful of cleanups to the MSM tree. The gpio cleanups
get us closer to having proper pinmux and gpio support.
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Merge tag 'msm-cleanup-for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm into next/cleanup
From David Brown:
Cleanups for MSM for 3.11
These are a handful of cleanups to the MSM tree. The gpio cleanups
get us closer to having proper pinmux and gpio support.
* tag 'msm-cleanup-for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm:
mfd: ssbi: Use devm_* and simplify code
gpio: msm: Add device tree and irqdomain support for gpio-msm-v2
ARM: msm: Remove gpiomux-v2 and re-organize MSM_GPIOMUX configs
msm: iomap: Remove unused bases and mappings
msm: Remove unused file core.h
ARM: msm: Remove init_irq declaration in machine description
Signed-off-by: Olof Johansson <olof@lixom.net>
Conflicts:
arch/arm/boot/dts/msm8660-surf.dts
arch/arm/boot/dts/msm8960-cdp.dts
I don't expect these to be necessary for stable, since the fixes are
to recently added code. The strncpy fix is only in debug code that
isn't normally compiled or used (and is being removed in upcoming
patches).
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Merge tag 'msm-fix-for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm into next/cleanup
From David Brown:
Some minor fixes for MSM for 3.11
I don't expect these to be necessary for stable, since the fixes are
to recently added code. The strncpy fix is only in debug code that
isn't normally compiled or used (and is being removed in upcoming
patches).
* tag 'msm-fix-for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm:
gpio: msm-v1: Remove errant __devinit to fix compile
mfd: ssbi: Add MODULE_DEVICE_TABLE
ARM: dts: msm: Fix bad register addresses
arch: arm: mach-msm: using strlcpy instead of strncpy
Signed-off-by: Olof Johansson <olof@lixom.net>
I don't expect these to be necessary for stable, since the fixes are
to recently added code. The strncpy fix is only in debug code that
isn't normally compiled or used (and is being removed in upcoming
patches).
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Merge tag 'msm-fix-for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm into next/fixes-non-critical
From David Brown:
Some minor fixes for MSM for 3.11
I don't expect these to be necessary for stable, since the fixes are
to recently added code. The strncpy fix is only in debug code that
isn't normally compiled or used (and is being removed in upcoming
patches).
* tag 'msm-fix-for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/davidb/linux-msm:
gpio: msm-v1: Remove errant __devinit to fix compile
mfd: ssbi: Add MODULE_DEVICE_TABLE
ARM: dts: msm: Fix bad register addresses
arch: arm: mach-msm: using strlcpy instead of strncpy
Signed-off-by: Olof Johansson <olof@lixom.net>
Enable some new features:
* The Tegra114 SPI controller, for Dalmore's SPI flash.
* Set all the GPIO leds triggers to their "if you don't know, say X"
value, so there are some useful triggers for the gpio-leds support.
* TPS65090 charger, for Dalmore.
* ASoC RT5640 machine driver, for audio on Beaver and Dalmore.
Also, rebuild tegra_defconfig on top of linux-next. This should make it
easier to create future defconfig patches, without extraneous diffs.
This branch is based on v3.10-rc3, in order not to conflict with a
defconfig change first included there.
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Merge tag 'tegra-for-3.11-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/boards
From Stephen Warren:
ARM: tegra: defconfig updates
Enable some new features:
* The Tegra114 SPI controller, for Dalmore's SPI flash.
* Set all the GPIO leds triggers to their "if you don't know, say X"
value, so there are some useful triggers for the gpio-leds support.
* TPS65090 charger, for Dalmore.
* ASoC RT5640 machine driver, for audio on Beaver and Dalmore.
Also, rebuild tegra_defconfig on top of linux-next. This should make it
easier to create future defconfig patches, without extraneous diffs.
* tag 'tegra-for-3.11-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
ARM: tegra: defconfig updates
Signed-off-by: Olof Johansson <olof@lixom.net>
This branch contains fixes and enhancement for core Tegra Soc support:
* CPU hotplug support for Tegra114.
* Some preliminary work on Tegra114 CPU sleep modes.
* Minor fix for EMC table DT parsing.
This branch is based on v3.10-rc1.
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Merge tag 'tegra-for-3.11-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/soc
From Stephen Warren:
ARM: tegra: core SoC support enhancements
This branch contains fixes and enhancement for core Tegra Soc support:
* CPU hotplug support for Tegra114.
* Some preliminary work on Tegra114 CPU sleep modes.
* Minor fix for EMC table DT parsing.
* tag 'tegra-for-3.11-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
ARM: tegra: don't pass CPU ID to tegra_{set,clear}_cpu_in_lp2
ARM: tegra: cpuidle: using IS_ENABLED for multi SoCs management in init func
ARM: tegra: hook tegra_tear_down_cpu function in the PM suspend init function
ARM: tegra: cpuidle: move the init function behind the suspend init function
ARM: tegra: remove ifdef in the tegra_resume
ARM: tegra: add cpu_disable for hotplug
ARM: tegra114: add CPU hotplug support
clk: tegra114: implement wait_for_reset and disable_clock for tegra_cpu_car_ops
ARM: tegra114: add power up sequence for warm boot CPU
ARM: tegra: make tegra_resume can work for Tegra114
ARM: tegra: skip SCU and PL310 code when CPU is not Cortex-A9
ARM: tegra: add an assembly marco to check Tegra SoC ID
ARM: tegra: emc: correction of ram-code parsing from dt
Signed-off-by: Olof Johansson <olof@lixom.net>
This branch contains all device tree updates for Tegra boards.
The changes are:
* Converted all DT files to use the C pre-processor, to support the use
of named constants. This included use of defines for GPIO, IRQ, and
clock constants.
* Enabling new features such as:
- SPI on Dalmore.
- Audio on Dalmore and Beaver.
- gpio-leds on Beaver.
- Power-supply/batter linkage on Dalmore.
* A minor fix to the RAM size node on Beaver.
It is based on previous pull request tegra-for-3.11-deps-for-usb
followed by a merge of tegra-for-3.11-deps-for-clk.
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Merge tag 'tegra-for-3.11-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/dt
From Stephen Warren:
ARM: tegra: device tree updates
This branch contains all device tree updates for Tegra boards.
The changes are:
* Converted all DT files to use the C pre-processor, to support the use
of named constants. This included use of defines for GPIO, IRQ, and
clock constants.
* Enabling new features such as:
- SPI on Dalmore.
- Audio on Dalmore and Beaver.
- gpio-leds on Beaver.
- Power-supply/batter linkage on Dalmore.
* A minor fix to the RAM size node on Beaver.
It is based on previous pull request tegra-for-3.11-deps-for-usb
followed by a merge of tegra-for-3.11-deps-for-clk.
* tag 'tegra-for-3.11-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra: (21 commits)
ARM: tegra: enable audio on Beaver
ARM: tegra: enable audio on Dalmore
ARM: tegra: add power-supplies link between battery and charger
ARM: tegra: add audio-related nodes to Tegra114 DT
ARM: tegra114: convert device tree files to use CLK defines
ARM: tegra30: convert device tree files to use CLK defines
ARM: tegra20: convert device tree files to use CLK defines
ARM: tegra: Add charger subnode to tps65090 node
ARM: tegra: convert device tree files to use IRQ defines
ARM: tegra: convert device tree files to use GPIO defines
ARM: tegra: create a DT header defining GPIO IDs
ARM: tegra: use #include for all device trees
ARM: tegra: Add gpio-leds to Tegra30 Beaver
ARM: tegra: fix memory size on Beaver
ARM: tegra: enable spi4 on Dalmore
ARM: tegra114: create a DT header defining CLK IDs
ARM: tegra30: create a DT header defining CLK IDs
ARM: tegra20: create a DT header defining CLK IDs
ARM: tegra: update device trees for USB binding rework
ARM: tegra: modify ULPI reset GPIO properties
...
Signed-off-by: Olof Johansson <olof@lixom.net>
* Ether device name updates for r8a7778 and r8a7779 Sergei Shtylyov
* Extended clock and driver coverage for r8a7778 by Goda-san and Morimoto-san
* Extended clock and coverage for r8a73a4 and r8a7790 by Guennadi Liakhovetski
* HSCIF support for r8a7790 by Ulrich Hecht
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Merge tag 'renesas-soc2-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc
From Simon Horman:
Second Round of Renesas ARM-based SoC updates for v3.11
* Ether device name updates for r8a7778 and r8a7779 Sergei Shtylyov
* Extended clock and driver coverage for r8a7778 by Goda-san and Morimoto-san
* Extended clock and coverage for r8a73a4 and r8a7790 by Guennadi Liakhovetski
* HSCIF support for r8a7790 by Ulrich Hecht
* tag 'renesas-soc2-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: r8a7790: add clock definitions and aliases for MMCIF and SDHI
ARM: shmobile: r8a73a4: add clock definitions and aliases for MMCIF and SDHI
ARM: shmobile: r8a7778: add support MMC driver
ARM: shmobile: r8a7778: add support HSPI driver
ARM: shmobile: r8a7778: add support I2C driver
ARM: shmobile: r8a7778: add support MMC clock
ARM: shmobile: r8a7778: add support HSPI clock
ARM: shmobile: r8a7778: add support I2C clock
ARM: shmobile: r8a7790: HSCIF support
ARM: shmobile: r8a7778: fix Ether device name
ARM: shmobile: r8a7779: fix Ether device name
Signed-off-by: Olof Johansson <olof@lixom.net>
Conflicts:
arch/arm/mach-shmobile/clock-r8a7778.c
arch/arm/mach-shmobile/include/mach/r8a7778.h
DT support to GPIO R-Car driver by Laurent Pinchart.
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Merge tag 'renesas-gpio-rcar-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/drivers
From Simon Horman:
Renesas ARM based SoC GPIO R-Car updates for v3.11
DT support to GPIO R-Car driver by Laurent Pinchart.
* tag 'renesas-gpio-rcar-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: (131 commits)
gpio-rcar: Add DT support
These updates are by Sergei Shtylyov to clean-up USB support
present for R8A7779/Marzen and then extend USB support coverage to
R8A7778/BOCK-W.
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Merge tag 'renesas-phy-rcar-usb-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc
From Simon Horman:
Renesas USB updates for v3.11
These updates are by Sergei Shtylyov to clean-up USB support
present for R8A7779/Marzen and then extend USB support coverage to
R8A7778/BOCK-W.
* tag 'renesas-phy-rcar-usb-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: BOCK-W: add USB support
ARM: shmobile: r8a7778: add USB support
phy-rcar-usb: add R8A7778 support
phy-rcar-usb: handle platform data
ARM: shmobile: Marzen: pass platform data to USB PHY device
phy-rcar-usb: add platform data
phy-rcar-usb: correct base address
ARM: shmobile: r8a7779: remove USB PHY 2nd memory resource
phy-rcar-usb: remove EHCI internal buffer setup
ARM: shmobile: r8a7779: setup EHCI internal buffer
ehci-platform: add pre_setup() method to platform data
ARM: shmobile: Marzen: move USB EHCI, OHCI, and PHY devices to R8A7779 code
Conflicts:
arch/arm/mach-shmobile/board-marzen.c
arch/arm/mach-shmobile/setup-r8a7778.c
Signed-off-by: Olof Johansson <olof@lixom.net>
This patch removes static definitions of power domains and code
responsible for registering them and adding devices to them, since only
DT based boot is now supported on Exynos.
Cc: linux-pm@vger.kernel.org
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This patch makes the firmware setup code assume presence of DT, since it
is now the only way of booting supported for Exynos.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This patch removes static mapping of chip ID block that was used when
booting with ATAGS, which is not supported on Exynos any more.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This patch removes legacy platform device initialization code that was
used to set names and other parameters of static platform devices when
booting with ATAGS, which is not supported on Exynos any more.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This patch removes legacy timer initialization code that was used to
set up system timers when booting with ATAGS, which is not supported
on Exynos any more.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This patch removes legacy IRQ initialization code that was used to set
up interrupt handling when booting with ATAGS, which is not supported
any more.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This patch removes now unused files containing old device and GPIO setup
code that was needed for ATAGS based boot, which is not supported on
Exynos any more.
The only exception is setup-i2c0.c that will be removed later, since it
has dependencies in plat-samsung/ directory.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This patch removes legacy UART initialization code that was used to
set up UART platform devices when booting with ATAGS, which is not
supported on Exynos any more.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This patch removes legacy EINT initialization code that was used to
handle external interrupts when booting with ATAGS, which is not
supported any more.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This patch removes legacy PMU initialization code that was used to set
up PMU when booting with ATAGS, which is not supported any more.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This patch adds a Kconfig entry that enables compilation of legacy
support code required for Samsung platforms that require ATAGS based
boot.
This allows to bypass compilation of this code when platforms without
ATAGS support are selected.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Since EXYNOS is now DT-only, it always requires USE_OF option to be
selected. This patch moves USE_OF selection from entries of DT board
files to ARCH_EXYNOS.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Since commit 383ffda ARM: EXYNOS: no more support non-DT for EXYNOS SoCs
all non-DT Exynos board files are not used anymore. This patch removes
them.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
* Changes by Morimoto-san to enable MMCIF, M25P80 and RTC RX8581 for the
bockw board
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Merge tag 'renesas-defconfig2-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/boards
From Simon Horman:
Second Round of Renesas ARM based SoC defconfig updates for v3.11
* Changes by Morimoto-san to enable MMCIF, M25P80 and RTC RX8581 for the
bockw board
* tag 'renesas-defconfig2-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: bockw defconfig: add MMCIF support
ARM: shmobile: bockw defconfig: add M25P80 support
ARM: shmobile: bockw defconfig: add RTC RX8581 support
Signed-off-by: Olof Johansson <olof@lixom.net>
Just one patch this time: enable the LED via gpio-leds.
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Merge tag 'bcm2835-for-3.11-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-rpi into next/dt
From Stephen Warren:
ARM: bcm2835: device tree updates
Just one patch this time: enable the LED via gpio-leds.
* tag 'bcm2835-for-3.11-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-rpi:
ARM: bcm2835: Add Raspberry Pi's ACT LED to DT
Signed-off-by: Olof Johansson <olof@lixom.net>
Removes the following warnings:
arch/arm/mach-ux500/board-mop500-pins.c:51:6: warning: 'slpm_in_nopull_wkup' defined but not used [-Wunused-variable]
arch/arm/mach-ux500/board-mop500-pins.c:63:6: warning: 'slpm_out_lo_wkup' defined but not used [-Wunused-variable]
Signed-off-by: Olof Johansson <olof@lixom.net>
Cc: Linus Walleij <linux.walleij@linaro.org>
- Fix for the thermal node to be contained in the PRCMU node
- Add the DTS and auxdata needed to boot the U8540 platform
- Various regulators added and renamed
- Rename base SoC node
- A bunch of DMA patches adding channels for DT boots
- A bunch of crypto+hash patches adding config for DT boots
- A bunch of patches fixing the ALSA SoC support to work
- Register the LP5521 LEDs
- Fix a number of typos and naming errors
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Merge tag 'ux500-dt-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into next/dt
From Linus Walleij:
Device tree patches for ux500, basically trees and auxdata:
- Fix for the thermal node to be contained in the PRCMU node
- Add the DTS and auxdata needed to boot the U8540 platform
- Various regulators added and renamed
- Rename base SoC node
- A bunch of DMA patches adding channels for DT boots
- A bunch of crypto+hash patches adding config for DT boots
- A bunch of patches fixing the ALSA SoC support to work
- Register the LP5521 LEDs
- Fix a number of typos and naming errors
* tag 'ux500-dt-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson: (39 commits)
ARM: ux500: drop any 0x prefix from I2C DT devices
ARM: ux500: Allocate correct amount of memory for the u8540 in DT
ARM: ux500: Provide auxdata to ux500 ASoC driver
ARM: ux500: Add DT regulators for ab8500-codec
ARM: ux500: Correct anamic2 typo in DT files
ARM: ux500: Fix trivial typo in v-anamic1 comment
ARM: ux500: Reduce PRCMU reg-names to shorter form for u8540 DT
ARM: ux500: Add an auxdata entry for MUSB for clock-name look-up
ARM: ux500: cut chip-select GPIOs from SSP device
ARM: ux500: use symbolic names for interrupt flags
ARM: ux500: use #include syntax to include *.dtsi.
ARM: ux500: bump MMC/SD max frequency for DT boots
ARM: ux500: Apply other compatible name to the u8540 DTS file
pinctrl/nomadik: Standardise Pinctrl compat string for DBx5x based platforms
ARM: ux500: Standardise Pinctrl compatible string for DBx5x based platforms
ARM: ux500: Standardise DBx5x0 based Pinctrl compat string in the DTS
crypto: ux500/hash - Enable DT probing of the driver
crypto: ux500/cryp - Enable DT probing of the driver
ARM: ux500: enable the crypto and hash on all dbx500
ARM: ux500: Provide an AUXDATA entry for ux500-hash
...
Signed-off-by: Olof Johansson <olof@lixom.net>
support for the DMA40. Now with MUSB and some platform
data removal.
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Merge tag 'ux500-dma40-for-arm-soc-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into next/drivers
From Linus Walleij:
Second set of DMA40 changes: refactorings and device tree
support for the DMA40. Now with MUSB and some platform
data removal.
* tag 'ux500-dma40-for-arm-soc-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
dmaengine: ste_dma40: Fetch disabled channels from DT
dmaengine: ste_dma40: Fetch the number of physical channels from DT
ARM: ux500: Stop passing DMA platform data though AUXDATA
dmaengine: ste_dma40: Allow memcpy channels to be configured from DT
dmaengine: ste_dma40_ll: Replace meaningless register set with comment
dmaengine: ste_dma40: Convert data_width from register bit format to value
dmaengine: ste_dma40_ll: Use the BIT macro to replace ugly '(1 << x)'s
ARM: ux500: Remove recently unused stedma40_xfer_dir enums
dmaengine: ste_dma40: Replace ST-E's home-brew DMA direction defs with generic ones
ARM: ux500: Replace ST-E's home-brew DMA direction definition with the generic one
dmaengine: ste_dma40: Use the BIT macro to replace ugly '(1 << x)'s
ARM: ux500: Remove empty function u8500_of_init_devices()
ARM: ux500: Remove ux500-musb platform registation when booting with DT
usb: musb: ux500: add device tree probing support
usb: musb: ux500: attempt to find channels by name before using pdata
usb: musb: ux500: harden checks for platform data
usb: musb: ux500: take the dma_mask from coherent_dma_mask
usb: musb: ux500: move the MUSB HDRC configuration into the driver
usb: musb: ux500: move channel number knowledge into the driver
- Fixes for size and location of PRCMU TCDM
- SD/MMC/SDIO caps updates to boardfiles
- Misc fixes
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Merge tag 'ux500-core-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson into next/boards
From Linus Walleij, a set of core patches for ux500. Most of them are
actually board changes, so I sort them into here.
Ux500 core changes:
- Fixes for size and location of PRCMU TCDM
- SD/MMC/SDIO caps updates to boardfiles
- Misc fixes
* tag 'ux500-core-for-arm-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-stericsson:
ARM: ux500: avoid warning in ux500_read_asicid
ARM: ux500: regulators: Remove misleading comment
ARM: ux500: Enable support for UHS-I SD-cards
ARM: ux500: Set eMMC and WLAN card slot as non-removable
ARM: ux500: Enable support for discard for MMC/SD
ARM: ux500: Enable support for RPMB and Reliable Write for eMMC
ARM: ux500: Don't set plf ocr mask for SD/MMC device
ARM: ux500: Enable 100MHz for SD/SDIO/MMC devices
ARM: ux500: Remove incorrect DB9540 PRCMU TCDM base location
ARM: ux500: Increase the size of the PRCMU's TCPM size
Signed-off-by: Olof Johansson <olof@lixom.net>
On allocation failure, return early so the main body of the function
doesn't have to be indented as the body of an "if" statement. No
functional change.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Trivial changes to IOV:
1) use new PCI interfaces to simplify IOV implementation
2) fix some reference count related race windows
[bhelgaas: fix virtfn_add() add bus/alloc dev error paths]
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Donald Dutile <ddutile@redhat.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Ram Pai <linuxram@us.ibm.com>
The flag pci_bus->is_added is used to guard invocation of
pcibios_fixup_bus(pci_bus). When virtfn_add_bus() is called, the
pci_bus->is_added flag has already been set, so remove the redundant
bus->is_added = 1;
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: Donald Dutile <ddutile@redhat.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: Ram Pai <linuxram@us.ibm.com>
pci_scan_bus() has called pci_bus_add_devices() already, so remove the
redundant call of pci_bus_add_devices(). subsys_init() callbacks will be
invoked before device_init() callbacks, so it should be safe to remove the
redundant calls.
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
