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Setup wakeup capability before rtc_register to ensure the rtc class core
properly sets up our 'wakealarm' sysfs attribute.
Signed-off-by: Josh Cartwright <[email protected]>
Reviewed-by: Stephen Boyd <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Add support for describing the PM8921/PM8058 RTC in device tree.
Additionally:
- drop support for describing the RTC using platform data,
as there are no current in tree users who do so.
- make allow_set_time a device-specific flag, instead of mucking
with the rtc_ops
Signed-off-by: Josh Cartwright <[email protected]>
Reviewed-by: Stephen Boyd <[email protected]>
Acked-by: Lee Jones <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Make use of the devm_* variant of request_any_context_irq to allow for
elimination of remove().
Signed-off-by: Josh Cartwright <[email protected]>
Reviewed-by: Stephen Boyd <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Now that the parent mfd driver has been made to work again, and has been
reworked to create a regmap instance intended for its children to use,
rework the pm8xxx driver to use the regmap API for its register
accesses.
Signed-off-by: Josh Cartwright <[email protected]>
Reviewed-by: Stephen Boyd <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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This patchset is based on Stephen Boyd's PM8921 modernization/cleanups
(http://lkml.kernel.org/g/[email protected]),
and allows for this RTC driver to be usable again.
This patch (of 6):
Before performing additional cleanups to this driver, do the easy cleanups
first.
Signed-off-by: Josh Cartwright <[email protected]>
Reviewed-by: Stephen Boyd <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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This small addition to the core simplifies code in the drivers and makes
them more robust when handling shared IRQs.
Signed-off-by: Alessandro Zummo <[email protected]>
Cc: Alexander Shiyan <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Add suspend/resume and device_init_wakeup to enable ds3232 as wakeup
source, /sys/class/rtc/rtcX/wakealarm for set wakeup alarm.
Signed-off-by: Wang Dongsheng <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Use SIMPLE_DEV_PM_OPS macro in order to make the code simpler.
Signed-off-by: Jingoo Han <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Use SIMPLE_DEV_PM_OPS macro in order to make the code simpler.
Signed-off-by: Jingoo Han <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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CONFIG_PM will be set also if only CONFIG_PM_RUNTIME is set which causes
the compiler to emit following warning:
drivers/rtc/rtc-cmos.c:845:12: warning: =E2=80=98cmos_resume=E2=80=99 defined but not used [-Wunused-function]
Fix this by using CONFIG_PM_SLEEP instead of CONFIG_PM and removing it
from the driver pm ops as this has been taken care by
SIMPLE_DEV_PM_OPS() already.
Signed-off-by: Mika Westerberg <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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It's possible to have RTC irq shared with other device (e.g. t4240qds
board shares ds3232irq with phy one). Handle this in driver.
Signed-off-by: Bharat Bhushan <[email protected]>
Cc: Scott Wood <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Switch the device tree to the new compatibles introduced in the RTC
drivers to have a common pattern accross all Allwinner SoCs.
Signed-off-by: Maxime Ripard <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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The Allwinner A10 compatibles were following a slightly different
compatible patterns than the rest of the SoCs for historical reasons.
Change the compatibles to match the other pattern in the RTC driver for
consistency.
Signed-off-by: Maxime Ripard <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Remove unnecessary locks when reading the time and make the read
operation until the values of day matched between reading the seconds,
it will make the mc13xxx_rtc_read_time() procedure more readable.
Additionally, patch introduced a "seconds in a day" definition.
Signed-off-by: Alexander Shiyan <[email protected]>
Cc: Uwe Kleine-König <[email protected]>
Cc: Sascha Hauer <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Datasheet says: "When the VSRTC voltage drops to the range of 0.9 - 0.8V,
the RTCPORB reset signal is generated and the contents of the RTC will
be reset. <skip>. To inform the processor that the contents of the RTC
are no longer valid due to the reset, a timer reset interrupt function
is implemented with the RTCRSTI bit." This patch makes the RTC valid by
default until RTCRST interrupt occurs.
Signed-off-by: Alexander Shiyan <[email protected]>
Cc: Uwe Kleine-König <[email protected]>
Cc: Sascha Hauer <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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1Hz interrupt is never unmasked, so no interrupts appears. This patch
fix this issue.
Signed-off-by: Alexander Shiyan <[email protected]>
Cc: Uwe Kleine-König <[email protected]>
Cc: Sascha Hauer <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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This patch removes excess layer for alarm_irq_enable() function.
Signed-off-by: Alexander Shiyan <[email protected]>
Cc: Uwe Kleine-König <[email protected]>
Cc: Sascha Hauer <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Interrupts can appear after request_irq and interrupt handlers can use
the RTC device, but currently we register RTC after IRQs. This patch
changes this order and simplify error path a bit.
Signed-off-by: Alexander Shiyan <[email protected]>
Cc: Uwe Kleine-König <[email protected]>
Cc: Sascha Hauer <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Since we no longer allow building without hotplug, the
mc13xxx_rtc_remove() function is always present and we should not use
__exit_p() to refer to it.
Signed-off-by: Alexander Shiyan <[email protected]>
Cc: Uwe Kleine-König <[email protected]>
Cc: Sascha Hauer <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Add alarm support for the Microchip RTC devices MCP794xx. Note that two
programmable alarms are provided by the chip but only one is used by the
driver.
Signed-off-by: Simon Guinot <[email protected]>
Cc: Jason Cooper <[email protected]>
Cc: Andrew Lunn <[email protected]>
Cc: Gregory Clement <[email protected]>
Cc: Sebastian Hesselbarth <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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In order to allow the creation of the sysfs attribute wakealarm, this
patch moves the device_set_wakeup_capable() call above the RTC device
registration.
Signed-off-by: Simon Guinot <[email protected]>
Cc: Jason Cooper <[email protected]>
Cc: Andrew Lunn <[email protected]>
Cc: Gregory Clement <[email protected]>
Cc: Sebastian Hesselbarth <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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RTC settings will be lost if power supply is cut off after hibernation
finished, but the current "restore" function does not restore RTC related
settings, this causes rtc_read_time failure and kernel panic:
rtc rtc0: **** DPM device timeout ****
Stack trace:
unwind_backtrace+0x0/0xf4
show_stack+0x10/0x14
dpm_wd_handler+0x24/0x28
call_timer_fn.isra.33+0x24/0x88
run_timer_softirq+0x178/0x1f0
__do_softirq+0x120/0x200
do_softirq+0x54/0x5c
irq_exit+0x9c/0xd0
handle_IRQ+0x44/0x90
__irq_svc+0x40/0x70
_raw_spin_unlock_irqrestore+0x10/0x48
sirfsoc_rtc_iobrg_readl+0x34/0x3c
sirfsoc_rtc_read_time+0x24/0x48
__rtc_read_time.isra.3+0x48/0x5c
rtc_read_time+0x30/0x44
rtc_resume.part.9+0x20/0x104
rtc_resume+0x5c/0x64
dpm_run_callback.isra.4+0x2c/0x74
device_resume+0x9c/0x144
dpm_resume+0x100/0x224
hibernation_snapshot+0x170/0x398
hibernate+0x13c/0x1d8
state_store+0xb4/0xb8
kobj_attr_store+0x14/0x20
sysfs_write_file+0x160/0x190
vfs_write+0xb4/0x194
SyS_write+0x3c/0x78
this patch uses SIMPLE_DEV_PM_OPS() to make restore() execute the
existing resume() function which will restore the set of RTC.
Signed-off-by: Xianglong Du <[email protected]>
Signed-off-by: Barry Song <[email protected]>
Cc: Grant Likely <[email protected]>
Cc: Rob Herring <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Remove redundant irq field in private rtc structure.
Signed-off-by: Anthony Olech <[email protected]>
Acked-by: David Dajun Chen <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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linux/rtc.h was included twice.
Signed-off-by: Sachin Kamat <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Use devm_ioremap_resource() in order to make the code simpler, and move
'struct resource *mem' from 'struct jz4740_rtc' to jz4740_rtc_probe()
because the 'mem' variable is used only in jz4740_rtc_probe(). Also the
redundant return value check of platform_get_resource() is removed,
because the value is checked by devm_ioremap_resource().
Signed-off-by: Jingoo Han <[email protected]>
Cc: Lars-Peter Clausen <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Use devm_ioremap_resource() in order to make the code simpler, and move
'struct resource *res' from 'struct vt8500_rtc' to vt8500_rtc_probe()
because the 'res' variable is used only in vt8500_rtc_probe().
Signed-off-by: Jingoo Han <[email protected]>
Cc: Tony Prisk <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Use devm_ioremap_resource() in order to make the code simpler, and
remove redundant return value check of platform_get_resource() because
the value is checked by devm_ioremap_resource().
Signed-off-by: Jingoo Han <[email protected]>
Cc: Kevin Hilman <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Use devm_ioremap_resource() in order to make the code simpler, and
remove redundant return value check of platform_get_resource() because
the value is checked by devm_ioremap_resource().
Signed-off-by: Jingoo Han <[email protected]>
Acked-by: Linus Walleij <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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The site-specific OOM messages are unnecessary, because they duplicate
the MM subsystem generic OOM message.
Signed-off-by: Jingoo Han <[email protected]>
Acked-by: Viresh Kumar <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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The site-specific OOM messages are unnecessary, because they duplicate
the MM subsystem generic OOM message.
Signed-off-by: Jingoo Han <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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The site-specific OOM messages are unnecessary, because they duplicate
the MM subsystem generic OOM message.
Signed-off-by: Jingoo Han <[email protected]>
Acked-by: Barry Song <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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The site-specific OOM messages are unnecessary, because they duplicate
the MM subsystem generic OOM message.
Signed-off-by: Jingoo Han <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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The site-specific OOM messages are unnecessary, because they duplicate
the MM subsystem generic OOM message.
Signed-off-by: Jingoo Han <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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The site-specific OOM messages are unnecessary, because they duplicate
the MM subsystem generic OOM message.
Signed-off-by: Jingoo Han <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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The site-specific OOM messages are unnecessary, because they duplicate
the MM subsystem generic OOM message.
Signed-off-by: Jingoo Han <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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The site-specific OOM messages are unnecessary, because they duplicate
the MM subsystem generic OOM message.
Signed-off-by: Jingoo Han <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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The site-specific OOM messages are unnecessary, because they duplicate
the MM subsystem generic OOM message.
Signed-off-by: Jingoo Han <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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The site-specific OOM messages are unnecessary, because they duplicate
the MM subsystem generic OOM message.
Signed-off-by: Jingoo Han <[email protected]>
Acked-by: Hans-Christian Egtvedt <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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clk_prepare_enable() may fail, so let's check its return value and
propagate it in the case of error.
Signed-off-by: Fabio Estevam <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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RTC drivers must not return an error after device registration.
[[email protected]: coding-style fixes]
Signed-off-by: Alessandro Zummo <[email protected]>
Reported-by: Ales Novak <[email protected]>
Cc: Alexander Shiyan <[email protected]>
Cc: Atsushi Nemoto <[email protected]>
Cc: Jiri Kosina <[email protected]>
Cc: Srikanth Srinivasan <[email protected]>
Cc: Lee Jones <[email protected]>
Cc: Sascha Hauer <[email protected]>
Cc: Joonsoo Kim <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Signed-off-by: chishanmingshen <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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A missing 'break' statement in bm_status_write() results in a user program
receiving '3' when doing the following:
write(fd, "-1", 2);
Signed-off-by: Luis Henriques <[email protected]>
Alexander Viro <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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init_inodecache is only called by __init init_efs_fs.
Signed-off-by: Fabian Frederick <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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This test prevents code from being aligned around the : for easy visual
counting of bitfield lengths.
ie:
int foo : 1,
int bar : 2,
int foobar :29;
should be acceptable so remove the test.
Signed-off-by: Joe Perches <[email protected]>
Suggested-by: Dan Carpenter <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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assignments
Currently the parenthesis alignment test works only on misalignments of
if statements like
if (foo(bar,
baz)
Expand the test to find misalignments like:
static inline int foo(int bar,
int baz)
and
foo(bar,
baz);
and
foo = bar(baz,
qux);
Expand the $Inline keyword for __inline and __inline__ too.
Add $Inline to $Declare so it also matches "static inline <foo>".
These checks are only performed with --strict.
Signed-off-by: Joe Perches <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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A commit hook for the Gerrit code review server [1] inserts change
identifiers so Gerrit can track patches through multiple revisions.
These identifiers are noise in the context of the upstream kernel.
(Many Gerrit servers are private. Even given a public instance, given
only a Change-Id, one must guess which server a change was tracked on.
Patches submitted to the Linux kernel mailing lists should be able to
stand on their own. If it's truly useful to reference code review on a
Gerrit server, a URL is a much clearer way to do so.) Thus, issue an
error when a Change-Id line is encountered before the Signed-off-by.
1. https://gerrit.googlesource.com/gerrit/+/master/gerrit-server/src/main/resources/com/google/gerrit/server/tools/root/hooks/commit-msg
Signed-off-by: Christopher Covington <[email protected]>
Cc: Joe Perches <[email protected]>
Cc: Andy Whitcroft <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Revert commit 7e4915e78992 ("checkpatch: add warning of future
__GFP_NOFAIL use").
There are no plans to remove __GFP_NOFAIL.
__GFP_NOFAIL exists to
a) centralise the retry-allocation-for-ever operation into the core
allocator, which is the appropriate implementation site and
b) permit us to identify code sites which aren't handling memory
exhaustion appropriately.
Cc: David Rientjes <[email protected]>
Cc: Joe Perches <[email protected]>
Cc: Theodore Ts'o <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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declaration
Networking prefers this style, so warn when it's not used.
Networking uses:
void foo(int bar)
{
int baz;
code...
}
not
void foo(int bar)
{
int baz;
code...
}
There are a limited number of false positives when using macros to
declare variables like:
WARNING: networking uses a blank line after declarations
#330: FILE: net/ipv4/inet_hashtables.c:330:
+ int dif = sk->sk_bound_dev_if;
+ INET_ADDR_COOKIE(acookie, saddr, daddr)
Signed-off-by: Joe Perches <[email protected]>
Cc: David Miller <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Improve the vendor name match in vendor-prefix.txt by only matching the
exact vendor name at the beginning of lines.
Signed-off-by: Florian Vaussard <[email protected]>
Cc: Joe Perches <[email protected]>
Acked-by: Rob Herring <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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Look for ".compatible = "foo" strings not only in .dts files, but
in .c and .h too.
Signed-off-by: Florian Vaussard <[email protected]>
Cc: Joe Perches <[email protected]>
Acked-by: Rob Herring <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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