This patch renames pFramebufferPhysical name to mmio_base.
Signed-off-by: Javier M. Mellid <jmunhoz@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch improves naming style and comments on smtcfb_info fields.
Signed-off-by: Javier M. Mellid <jmunhoz@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch annotates iomem pointers.
Signed-off-by: Javier M. Mellid <jmunhoz@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch improves code legibility after last changes.
Signed-off-by: Javier M. Mellid <jmunhoz@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Setting up smtcfb_fix's id happens through smtc_alloc_fb_info. It adds
complexity and unnecesary code.
Signed-off-by: Javier M. Mellid <jmunhoz@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Part of fb_fix_screeninfo and fb_var_screeninfo initialization happens
in smtc_alloc_fb_info. It duplicates code while hiding the real
functionality of smtc_alloc_fb_info. This patch groups initialization
together.
Signed-off-by: Javier M. Mellid <jmunhoz@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The order of wait values has been changed by commit 9d944ef32e.
Fix the wait parameter and start to use a define instead of
"magic number".
Signed-off-by: Lauri Hintsala <lauri.hintsala@bluegiga.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix printk format warning on i386/X86_32 by using 't' for ptrdiff_t.
Also builds cleanly on x86_64.
drivers/staging/csr/csr_wifi_hip_udi.c: In function 'unifi_print_status':
drivers/staging/csr/csr_wifi_hip_udi.c:151:27: warning: format '%ld' expects type 'long int', but argument 5 has type 'int'
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* pci/jiang-get-domain-bus-slot:
xen-pcifront: Use hotplug-safe pci_get_domain_bus_and_slot()
PCI: Use hotplug-safe pci_get_domain_bus_and_slot()
PCI/cpcihp: Use hotplug-safe pci_get_domain_bus_and_slot()
PCI/vga: Use hotplug-safe pci_get_domain_bus_and_slot()
ia64/PCI: Use hotplug-safe pci_get_domain_bus_and_slot()
Here we have
1) a set cleaning up and moving the ad7476 driver out of staging.
Support for a number of additional parts is also added to that driver.
2) cleanups from various people for the in kernel interface code as that
is getting more an more real use and hence people are picking up on
minor issues that made it through review. Also a related useful set
of utility functions to avoid duplicate code for converting IIO
representations to other forms.
3) a new fractional type for our read_raw / write_raw functions.
This allows avoiding loss of accuracy via the in kernel interfaces in some
cases as well as being rather convenient for a lot of range -> scale
conversions.
4) New AD5755 DAC driver.
5) Some Blackfin timer trigger improvements including hardware pulse control
for device triggering.
6) Support for the ad7091r in the ad7476 driver.
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Merge tag 'iio-for-v3.7d' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
IIO new drivers, features and rework for the 3.7 cycle, 4th set.
Here we have
1) a set cleaning up and moving the ad7476 driver out of staging.
Support for a number of additional parts is also added to that driver.
2) cleanups from various people for the in kernel interface code as that
is getting more an more real use and hence people are picking up on
minor issues that made it through review. Also a related useful set
of utility functions to avoid duplicate code for converting IIO
representations to other forms.
3) a new fractional type for our read_raw / write_raw functions.
This allows avoiding loss of accuracy via the in kernel interfaces in some
cases as well as being rather convenient for a lot of range -> scale
conversions.
4) New AD5755 DAC driver.
5) Some Blackfin timer trigger improvements including hardware pulse control
for device triggering.
6) Support for the ad7091r in the ad7476 driver.
The 'name' sysfs attribute is mandatory for hwmon devices, but was missing
in this driver.
Cc: Paul Thomas <pthomas8589@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Paul Thomas <pthomas8589@gmail.com>
This reverts commit 985f61f7ee.
This commit fixed certain cases, but ended up regressing others
due to limitations in the current KMS API. A proper fix is too
invasive for 3.6. Push it back to 3.7.
Reported-by: Andres Freund <andres@anarazel.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Add support for the ad7091r 12 bit ADC to the ad7476 driver. Although the
ad7091r is not really related to any of the other devices supported by this
driver, luckily for us there are not so many ways (which are not totally insane)
how sampling a single channel ADC via SPI can be implemented and support for the
ad7091r can be added to the driver with just a few adjustments.
The ad7091r requires an external "conversion start" pulse to start a sample
conversion. After the conversion has finished the result can be read via SPI. We
depend on a IIO trigger to generate this signal, as a result only sampling in
buffered mode and not in manual mode is available.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Some converters require an external signal to start the conversion. This patch
adds support to the bfintmr trigger driver to generate such a signal.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This patch hooks up the set_trigger_state callback for the blackfin timer
trigger driver and only enables the timer when a trigger consumer requests it to
be enabled. There really is no reason to keep the timer running and generate
interrupts if nobody is listening to them.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
If the timer frequency has not been configured yet get_gptimer_period() will
return 0. Handle this case instead of blindly dividing by the returned value.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Currently we have the cpuidle_device field in the acpi_processor_power structure.
This adds a dependency between processor.h and cpuidle.h
Although it is not a real problem, removing this dependency has the benefit of
separating a bit more the cpuidle code from the rest of the acpi code.
Also, the compilation should be a bit improved because we do no longer
include cpuidle.h in processor.h. The preprocessor was generating 30418 loc
and with this patch it generates 30256 loc for processor_thermal.c, a file
which is not concerned at all by cpuidle, like processor_perflib.c and
processor_throttling.c.
That may sound ridiculous, but "small streams make big rivers" :P
This patch moves this field into a static global per cpu variable like what is
done in the intel_idle driver.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Use the iio_read_channel_processed function to read the sample value in the
proper unit instead of using iio_read_channel_raw and iio_read_channel_scale and
doing the unit conversion manually.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Add a function to read a processed value from a channel. The function will first
attempt to read the IIO_CHAN_INFO_PROCESSED attribute. If that fails it will
read the IIO_CHAN_INFO_RAW attribute and convert the result from a raw value to
a processed value.
The patch also introduces a function to convert raw value to a processed value
and exports it, in case a user needs or wants to do the conversion by itself.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
For the iio_read_channel_raw and iio_read_channel_scale the kerneldoc comment
refers to an argument called "channel", while the argument is called "chan" in
the function signature. This leads to the following warnings from kerneldoc:
Warning(include/linux/iio/consumer.h:71): No description found for parameter 'chan'
Warning(include/linux/iio/consumer.h:71): Excess function parameter 'channel' description in 'iio_read_channel_raw'
Warning(include/linux/iio/consumer.h:109): No description found for parameter 'chan'
Warning(include/linux/iio/consumer.h:109): Excess function parameter 'channel' description in 'iio_read_channel_scale'
This patch fixes the warnings by naming them consistently.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
- Couple more IPoIB fixes for regressions introduced by path database conversion
- Minor other fixes to low-level drivers (cxgb4, mlx4, qib, ocrdma)
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Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
Pull InfiniBand/RDMA fixes from Roland Dreier:
- A couple more IPoIB fixes for regressions introduced by path database
conversion
- Minor other fixes to low-level drivers (cxgb4, mlx4, qib, ocrdma)
* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
IB/qib: Fix failure of compliance test C14-024#06_LocalPortNum
RDMA/ocrdma: Fix CQE expansion of unsignaled WQE
mlx4_core: Fix integer overflows so 8TBs of memory registration works
IPoIB: Fix AB-BA deadlock when deleting neighbours
IPoIB: Fix memory leak in the neigh table deletion flow
RDMA/cxgb4: Move dereference below NULL test
This patch adds support for the AD5755, AD5755-1, AD5757, AD5735, AD5737 16 and
14 bit quad-channel DACs. The AD5757/AD5737 only have current outputs, but
for the AD5755/AD5757 each of the outputs can be configured to either be a
voltage or a current output. We only allow to configure this at device probe
time since usually this needs to match the external circuitry and should not be
changed on the fly.
A few trivial formatting changes on merge.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
See previous commit about p9_read_work() for details.
This fixes a similar race between p9_write_work() and p9_poll_mux()
Signed-off-by: Simon Derr <simon.derr@bull.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
At the end of p9_write_work() we want to test if there is still data to send.
This means:
- either the current request still has data to send (wsize != 0)
- or there are requests in the unsent queue
Signed-off-by: Simon Derr <simon.derr@bull.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Race scenario between p9_read_work() and p9_poll_mux()
Data arrive, Rworksched is set, p9_read_work() is called.
thread A thread B
p9_read_work()
.
reads data
.
checks if new data ready. No.
.
gets preempted
.
More data arrive, p9_poll_mux() is called. .
.
.
p9_poll_mux() .
.
if (!test_and_set_bit(Rworksched, .
&m->wsched)) { .
schedule_work(&m->rq); .
} .
.
-> does not schedule work because .
Rworksched is set .
.
clear_bit(Rworksched, &m->wsched);
return;
No work has been scheduled, and yet data are waiting.
Currently p9_read_work() checks if there is data to read,
and if not, it clears Rworksched.
I think it should clear Rworksched first, and then check if there is data to read.
Signed-off-by: Simon Derr <simon.derr@bull.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
These are generally very small strings. We don't need an entire 4k
allocation for each. Instead, just free and reallocate them on an
as-needed basis.
Note: This patch is untested since I don't have a 9p server available at
the moment. It's mainly something I noticed while doing some
getname/putname cleanup work.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
* pm-cpufreq:
cpufreq: OMAP: remove loops_per_jiffy recalculate for smp
sections: fix section conflicts in drivers/cpufreq
cpufreq: conservative: update frequency when limits are relaxed
cpufreq / ondemand: update frequency when limits are relaxed
cpufreq: Add a generic cpufreq-cpu0 driver
PM / OPP: Initialize OPP table from device tree
ARM: add cpufreq transiton notifier to adjust loops_per_jiffy for smp
cpufreq: Remove support for hardware P-state chips from powernow-k8
acpi-cpufreq: Add compatibility for legacy AMD cpb sysfs knob
acpi-cpufreq: Add support for disabling dynamic overclocking
ACPI: Add fixups for AMD P-state figures
powernow-k8: delay info messages until initialization has succeeded
cpufreq: Add warning message to powernow-k8
acpi-cpufreq: Add quirk to disable _PSD usage on all AMD CPUs
acpi-cpufreq: Add support for modern AMD CPUs
cpufreq / powernow-k8: Fixup missing _PSS objects message
PM / cpufreq: Initialise the cpu field during conservative governor start
* pm-shmobile:
ARM: shmobile: Add A4S cpuidle state on sh7372
ARM: shmobile: Make sh7372 cpuidle handling more straightforward
ARM: shmobile: Move definition of shmobile_init_late() to header
ARM: shmobile: Remove the console check from sh7372_enter_suspend()
ARM: shmobile: Rework adding devices to PM domains on AP4EVB
ARM: shmobile: Rework adding devices to PM domains on Mackerel
ARM: shmobile: Specify device latencies for Mackerel devices directly
ARM: shmobile: Specify device latencies for SH7372 devices directly
ARM: shmobile: Allow device latencies to be specified directly
ARM: shmobile: Set PM domain on/off latencies directly
ARM: shmobile: Make rmobile_init_pm_domain() static
ARM: shmobile: Move r8a7779's PM domain objects to a table
ARM: shmobile: Move r8a7740's PM domain objects to a table
ARM: shmobile: Move sh7372's PM domain objects to a table
ARM: shmobile: Do not access sh7372 A4S domain internals directly
ARM: shmobile: Add routine for automatic PM domains initialization
ARM: shmobile: Use domain names when adding subdomains to power domains
ARM: shmobile: Drop r8a7779_add_device_to_domain()
ARM: shmobile: Use names of power domains for adding devices to them
* pm-sleep:
properly __init-annotate pm_sysrq_init()
PM / wakeup: Use irqsave/irqrestore for events_lock
PM / Freezer: Fix small typo "regrigerator"
PM / Sleep: Print name of wakeup source that aborts suspend
* pm-domains:
PM / Domains: Fix compilation warning related to genpd_start_dev_no_timing()
PM / Domains: Operations related to cpuidle using domain names
PM / Domains: Document cpuidle-related functions and change their names
PM / Domains: Add power-on function using names to identify domains
PM / Domains: Make it possible to use names when adding subdomains
PM / Domains: Make it possible to use domain names when adding devices
* pm-cpuidle:
ACPI / processor: remove pointless variable initialization
ACPI / processor: remove unused function parameter
cpuidle / ACPI : remove power from acpi_processor_cx structure
PM / cpuidle: Make ladder governor use the "disabled" state flag
Honor state disabling in the cpuidle ladder governor
* pm-timers:
PM: Do not use the syscore flag for runtime PM
sh: MTU2: Basic runtime PM support
sh: CMT: Basic runtime PM support
sh: TMU: Basic runtime PM support
PM / Domains: Do not measure start time for "irq safe" devices
PM / Domains: Move syscore flag from subsys data to struct device
PM / Domains: Rename the always_on device flag to syscore
PM / Runtime: Allow helpers to be called by early platform drivers
PM: Reorganize device PM initialization
sh: MTU2: Introduce clock events suspend/resume routines
sh: CMT: Introduce clocksource/clock events suspend/resume routines
sh: TMU: Introduce clocksource/clock events suspend/resume routines
timekeeping: Add suspend and resume of clock event devices
PM / Domains: Add power off/on function for system core suspend stage
PM / Domains: Introduce simplified power on routine for system resume
This patch removes hardcoded sysfs attributes manipulation and
converts them into generic pci_bus->drv_attrs. This saves several bytes.
Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
The datasheet name is defined in the IIO driver.
On the other hand, the adc_channel_label is configured in
the platform side.
If the datasheet name is not matched with any adc_channel_label,
the iio_channel_get() should be returned as error for preventing
invalid channel data access.
This can be handled either way.
(a) checking null data when using it : in the xxx_read_raw()
or
(b) error returns when the channel is requested : this patch
The IIO consumer can't use the channel with invalid channel spec.
Therefore case (b) is more reasonable.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
MCA is the basic support for hardware error logging and reporting, and
it is majorly unwise to run without it so enable machine check software
support by default on x86.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
Acked-by: Tony Luck <tony.luck@intel.com>
The unregister_sysctl_table() function hangs if all references to its
ctl_table_header structure are not dropped.
This can happen sometimes because of a leak in proc_sys_lookup():
proc_sys_lookup() gets a reference to the table via lookup_entry(), but
it does not release it when a subsequent call to sysctl_follow_link()
fails.
This patch fixes this leak by making sure the reference is always
dropped on return.
See also commit 076c3eed2c ("sysctl: Rewrite proc_sys_lookup
introducing find_entry and lookup_entry") which reorganized this code in
3.4.
Tested in Linux 3.4.4.
Signed-off-by: Francesco Ruggeri <fruggeri@aristanetworks.com>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
- mention that system time needs to be added to wallclock time
- positive tsc_shift means left shift, not right
- mention additional 32bit right shift
Signed-off-by: Stefan Fritsch <sf@sfritsch.de>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Cancel work of the xfs_sync_worker before teardown of the log in
xfs_unmountfs. This prevents occasional crashes on unmount like so:
PID: 21602 TASK: ee9df060 CPU: 0 COMMAND: "kworker/0:3"
#0 [c5377d28] crash_kexec at c0292c94
#1 [c5377d80] oops_end at c07090c2
#2 [c5377d98] no_context at c06f614e
#3 [c5377dbc] __bad_area_nosemaphore at c06f6281
#4 [c5377df4] bad_area_nosemaphore at c06f629b
#5 [c5377e00] do_page_fault at c070b0cb
#6 [c5377e7c] error_code (via page_fault) at c070892c
EAX: f300c6a8 EBX: f300c6a8 ECX: 000000c0 EDX: 000000c0 EBP: c5377ed0
DS: 007b ESI: 00000000 ES: 007b EDI: 00000001 GS: ffffad20
CS: 0060 EIP: c0481ad0 ERR: ffffffff EFLAGS: 00010246
#7 [c5377eb0] atomic64_read_cx8 at c0481ad0
#8 [c5377ebc] xlog_assign_tail_lsn_locked at f7cc7c6e [xfs]
#9 [c5377ed4] xfs_trans_ail_delete_bulk at f7ccd520 [xfs]
#10 [c5377f0c] xfs_buf_iodone at f7ccb602 [xfs]
#11 [c5377f24] xfs_buf_do_callbacks at f7cca524 [xfs]
#12 [c5377f30] xfs_buf_iodone_callbacks at f7cca5da [xfs]
#13 [c5377f4c] xfs_buf_iodone_work at f7c718d0 [xfs]
#14 [c5377f58] process_one_work at c024ee4c
#15 [c5377f98] worker_thread at c024f43d
#16 [c5377fbc] kthread at c025326b
#17 [c5377fe8] kernel_thread_helper at c070e834
PID: 26653 TASK: e79143b0 CPU: 3 COMMAND: "umount"
#0 [cde0fda0] __schedule at c0706595
#1 [cde0fe28] schedule at c0706b89
#2 [cde0fe30] schedule_timeout at c0705600
#3 [cde0fe94] __down_common at c0706098
#4 [cde0fec8] __down at c0706122
#5 [cde0fed0] down at c025936f
#6 [cde0fee0] xfs_buf_lock at f7c7131d [xfs]
#7 [cde0ff00] xfs_freesb at f7cc2236 [xfs]
#8 [cde0ff10] xfs_fs_put_super at f7c80f21 [xfs]
#9 [cde0ff1c] generic_shutdown_super at c0333d7a
#10 [cde0ff38] kill_block_super at c0333e0f
#11 [cde0ff48] deactivate_locked_super at c0334218
#12 [cde0ff58] deactivate_super at c033495d
#13 [cde0ff68] mntput_no_expire at c034bc13
#14 [cde0ff7c] sys_umount at c034cc69
#15 [cde0ffa0] sys_oldumount at c034ccd4
#16 [cde0ffb0] system_call at c0707e66
commit 11159a05 added this to xfs_log_unmount and needs to be cleaned up
at a later date.
Signed-off-by: Ben Myers <bpm@sgi.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Mark Tinguely <tinguely@sgi.com>
These arrays are accessed by iteration in
llc_exec_station_trans_actions(). There must not be any zero-filled
gaps in them, so the explicit indices are pointless.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
We only ever put one skb on the send queue, and then immediately
send it. Remove the queue and call dev_queue_xmit() directly.
This leaves struct llc_station empty, so remove that as well.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
We only ever put one skb on the event queue, and then immediately
process it. Remove the queue and fold together the related functions,
removing several blatantly false comments.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
The initial state is UP and there is no way to enter the other states
as the required event type is never generated. Delete all states,
event types, and other dead code. The only thing left is handling
of the XID and TEST commands.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
arch/x86/xen/pci-swiotlb-xen.c:96:1: warning: Using plain integer as NULL pointer
arch/x86/xen/pci-swiotlb-xen.c:96:1: warning: Using plain integer as NULL pointer
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Sparse warns us off:
drivers/xen/swiotlb-xen.c:506:1: warning: symbol 'xen_swiotlb_map_sg' was not declared. Should it be static?
drivers/xen/swiotlb-xen.c:534:1: warning: symbol 'xen_swiotlb_unmap_sg' was not declared. Should it be static?
and it looks like we do not need this function at all.
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
