| Commit message (Collapse) | Author | Age | Files | Lines |
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Add support for the Maxim/Dallas DS2780 Stand-Alone Fuel Gauge IC.
It was suggested to combine this functionality with the current ds2782
driver. Unfortunately, I'm unable to commit the time to refactoring this
driver to that extent and I don't have a platform with the ds2782 part to
validate that there are no regression issues by adding this functionality.
[akpm@linux-foundation.org: use min_t()]
Signed-off-by: Clifton Barnes <cabarnes@indesign-llc.com>
Tested-by: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Cc: Ryan Mallon <ryan@bluewatersys.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Reorganize so the netlink connector one wire search command will update
the kernel list of detected slave devices. Otherwise, a newly detected
device is unusable because unless it's in the kernel list of known devices
any commands will result in ENODEV status.
Signed-off-by: David Fries <David@Fries.net>
Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This adds multi-slave support of the w1 bus for the ds1wm Synthesizable
1-Wire Bus Master. Also many fixes and tweaks based on the rev3 of the
datasheet http://datasheets.maxim-ic.com/en/ds/DS1WM.pdf
Signed-off-by: Jean-François Dagenais <dagenaisj@sonatest.com>
Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Cc: Szabolcs Gyurko <szabolcs.gyurko@tlt.hu>
Cc: Matt Reimer <mreimer@vpop.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This DS2408 w1 slave driver is not complete for all the features of the
chip, but its sufficient if you use it as a simple IO expander.
[randy.dunlap@oracle.com: fix w1_ds2408.c printk formats]
Signed-off-by: Jean-François Dagenais <dagenaisj@sonatest.com>
Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Cc: Szabolcs Gyurko <szabolcs.gyurko@tlt.hu>
Cc: Matt Reimer <mreimer@vpop.net>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The first patch adds generic functionnality to w1_io for Resume Command
[A5h] lots of slaves support. I found it useful for multi-commands/reset
workflows with the same slave on a multi-slave bus.
This DS2408 w1 slave driver is not complete for all the features of the
chip, but its sufficient if you use it as a simple IO expander. Enjoy!
The ds1wm had Kconfig dependencies towards ARM && HAVE_CLK. I took them
out since I was using the ds1wm on an x86_64 platform (ds1wm in a FPGA
through pcie) and found them irrelevant.
The clock freq/divisors at the top of ds1wm.c did not have the MSB set to
1. This bit is CLK_EN which turns the whole prescaler and dividers on.
The driver never mentionned this bit either, so I just included this bit
right in the table entries. I also took the liberty to add a couple of
entries to the table. The spec doesn't explicitely mentions these
possibilities but the description and examination of the core shows the
prescalers & dividers can be used for more than the table explicitely
shows. The table I enlarged still doesn't cover all possibilities, but
it's a good start.
I also made a few tweaks to a couple of the read and write algorithms
which made sense while I had my head very deep in the ds1wm documentation.
We stressed it a lot with 10+ slaves on the bus, many ds2408, ds2431 and
ds2433 at the same time doing extensive interaction. It proved quite
stable in our production environment.
This patch:
Add generic functionnality to w1_io for Resume Command [A5h] lots of
slaves support.
Signed-off-by: Jean-François Dagenais <dagenaisj@sonatest.com>
Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Cc: Szabolcs Gyurko <szabolcs.gyurko@tlt.hu>
Cc: Matt Reimer <mreimer@vpop.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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parport_find_number() calls parport_get_port() on its result, so there
should be a corresponding call to parport_put_port() before dropping the
reference. Similar code is found in the function register_device() in the
same file.
The semantic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@exists@
local idexpression struct parport * x;
expression ra,rr;
statement S1,S2;
@@
x = parport_find_number(...)
... when != x = rr
when any
when != parport_put_port(x,...)
when != if (...) { ... parport_put_port(x,...) ...}
(
if(<+...x...+>) S1 else S2
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if(...) { ... when != x = ra
when forall
when != parport_put_port(x,...)
*return...;
}
)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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synchronize_rcu() does the stuff as needed.
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Doug Thompson <dougthompson@xmission.com>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Let memory allocator initialize the allocated memory as null, thus remove
the use of memset.
Signed-off-by: Rakib Mullick <rakib.mullick@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The ->read_proc interface is going away, convert to seq_file.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc:Corey Minyard <minyard@acm.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The Blackfin arch, like the x86 arch, needs to adjust the PC manually
after a breakpoint is hit as normally this is handled by the remote gdb.
However, rather than starting another arch ifdef mess, create a common
GDB_ADJUSTS_BREAK_OFFSET define for any arch to opt-in via their kgdb.h.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Jason Wessel <jason.wessel@windriver.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Acked-by: Dongdong Deng <dongdong.deng@windriver.com>
Cc: Sergei Shtylyov <sshtylyov@mvista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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[akpm@linux-foundation.org: retain the code comments]
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Vladimir Zapolskiy <vzapolskiy@gmail.com>
Cc: Alessandro Zummo <alessandro.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit 51ba60c5 ("RTC: Cleanup rtc_class_ops->update_irq_enable()")
removed the only user of the update IRQ, so there is no need to manage it
any more.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Marcelo Roberto Jimenez <mroberto@cpti.cetuc.puc-rio.br>
Cc: John Stultz <john.stultz@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Rajeev Kumar <rajeev-dlh.kumar@st.com>
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The memory allocated using request_mem_region should be released using
release_mem_region, not release_region.
The semantic patch that fixes part of this problem is as follows:
(http://coccinelle.lip6.fr/)
// <smpl>
@@
expression E1,E2,E3;
@@
request_mem_region(E1,E2,E3)
...
?- release_region(E1,E2)
+ release_mem_region(E1,E2)
// </smpl>
[akpm@linux-foundation.org: use resource_size()]
Signed-off-by: Julia Lawall <julia@diku.dk>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add basic support for ST m41t93 SPI RTCs. Tested with factory-new and
with "run-in" species with and without backup batteries.
Signed-off-by: Nikolaus Voss <n.voss@weinmann.de>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add support for the Micro Crystal RV3029-C2 RTC chips.
Signed-off-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Gregory Hermant <gregory.hermant@calao-systems.com>
Cc: Wan ZongShun <mcuos.com@gmail.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add support for EM Microelectronic EM3027 RTC chip.
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This adds a driver for the RTC devices in VIA and WonderMedia
Systems-on-Chip. Alarm, 1Hz interrupts, reading and setting time are
supported.
Signed-off-by: Alexey Charkov <alchark@gmail.com>
Cc: Lars-Peter Clausen <lars@metafoo.de>
Cc: Alexey Charkov <alchark@gmail.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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spin_lock_irqsave() requires unsigned long.
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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alpha allmodconfig:
drivers/bcma/host_pci.c: In function 'bcma_host_pci_probe':
drivers/bcma/host_pci.c:102: error: implicit declaration of function 'kzalloc'
drivers/bcma/host_pci.c:102: warning: assignment makes pointer from integer without a cast
Cc: <zajec5@gmail.com>
Cc: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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alpha allmodconfig:
drivers/video/mb862xx/mb862xxfbdrv.c: In function 'mb862xxfb_ioctl':
drivers/video/mb862xx/mb862xxfbdrv.c:323: error: implicit declaration of function 'copy_to_user'
drivers/video/mb862xx/mb862xxfbdrv.c:327: error: implicit declaration of function 'copy_from_user'
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6
* 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6:
gfs2: Drop __TIME__ usage
isdn/diva: Drop __TIME__ usage
atm: Drop __TIME__ usage
dlm: Drop __TIME__ usage
wan/pc300: Drop __TIME__ usage
parport: Drop __TIME__ usage
hdlcdrv: Drop __TIME__ usage
baycom: Drop __TIME__ usage
pmcraid: Drop __DATE__ usage
edac: Drop __DATE__ usage
rio: Drop __DATE__ usage
scsi/wd33c93: Drop __TIME__ usage
scsi/in2000: Drop __TIME__ usage
aacraid: Drop __TIME__ usage
media/cx231xx: Drop __TIME__ usage
media/radio-maxiradio: Drop __TIME__ usage
nozomi: Drop __TIME__ usage
cyclades: Drop __TIME__ usage
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The kernel already prints its build timestamp during boot, no need to
repeat it in random drivers and produce different object files each
time.
Cc: Armin Schindler <mac@melware.de>
Cc: netdev@vger.kernel.org
Signed-off-by: Michal Marek <mmarek@suse.cz>
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The kernel already prints its build timestamp during boot, no need to
repeat it in random drivers and produce different object files each
time.
Acked-by: David S. Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Signed-off-by: Michal Marek <mmarek@suse.cz>
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The kernel already prints its build timestamp during boot, no need to
repeat it in random drivers and produce different object files each
time.
Acked-by: Arnaud Giersch <arnaud.giersch@free.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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The kernel already prints its build timestamp during boot, no need to
repeat it in random drivers and produce different object files each
time.
Acked-by: Thomas Sailer <t.sailer@alumni.ethz.ch>
Cc: linux-hams@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Michal Marek <mmarek@suse.cz>
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The kernel already prints its build timestamp during boot, no need to
repeat it in random drivers and produce different object files each
time.
Acked-by: Thomas Sailer <t.sailer@alumni.ethz.ch>
Cc: linux-hams@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: Michal Marek <mmarek@suse.cz>
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The kernel already prints its build timestamp during boot, no need to
repeat it in random drivers and produce different object files each
time.
Cc: Anil Ravindranath <anil_ravindranath@pmc-sierra.com>
Cc: linux-scsi@vger.kernel.org
Signed-off-by: Michal Marek <mmarek@suse.cz>
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The kernel already prints its build timestamp during boot, no need to
repeat it in random drivers and produce different object files each
time.
Cc: Doug Thompson <dougthompson@xmission.com>
Cc: bluesmoke-devel@lists.sourceforge.net
Cc: linux-edac@vger.kernel.org
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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The kernel already prints its build timestamp during boot, no need to
repeat it in random drivers and produce different object files each
time. As the buildDate field is part of the userspace API, I replaced it
with the date of the last code change.
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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The kernel already prints its build timestamp during boot, no need to
repeat it in random drivers and produce different object files each
time.
Cc: "James E.J. Bottomley" <James.Bottomley@suse.de>
Cc: linux-scsi@vger.kernel.org
Signed-off-by: Michal Marek <mmarek@suse.cz>
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The kernel already prints its build timestamp during boot, no need to
repeat it in random drivers and produce different object files each
time.
Cc: "James E.J. Bottomley" <James.Bottomley@suse.de>
Cc: linux-scsi@vger.kernel.org
Signed-off-by: Michal Marek <mmarek@suse.cz>
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The kernel already prints its build timestamp during boot, no need to
repeat it in random drivers and produce different object files each
time.
Cc: Adaptec OEM Raid Solutions <aacraid@adaptec.com>
Cc: linux-scsi@vger.kernel.org
Signed-off-by: Michal Marek <mmarek@suse.cz>
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The kernel already prints its build timestamp during boot, no need to
repeat it in random drivers and produce different object files each
time.
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Cc: linux-media@vger.kernel.org
Signed-off-by: Michal Marek <mmarek@suse.cz>
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The kernel already prints its build timestamp during boot, no need to
repeat it in random drivers and produce different object files each
time.
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Cc: linux-media@vger.kernel.org
Signed-off-by: Michal Marek <mmarek@suse.cz>
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The kernel already prints its build timestamp during boot, no need to
repeat it in random drivers and produce different object files each
time.
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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The kernel already prints its build timestamp during boot, no need to
repeat it in random drivers and produce different object files each
time.
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Michal Marek <mmarek@suse.cz>
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* 'gpio/next' of git://git.secretlab.ca/git/linux-2.6:
gpio/via: rename VIA local config struct
basic_mmio_gpio: split into a gpio library and platform device
gpio: remove some legacy comments in build files
gpio: add trace events for setting direction and value
gpio/pca953x: Use handle_simple_irq instead of handle_edge_irq
gpiolib: export gpiochip_find
gpio: remove redundant Kconfig depends on GPIOLIB
basic_mmio_gpio: convert to non-__raw* accessors
basic_mmio_gpio: support direction registers
basic_mmio_gpio: support different input/output registers
basic_mmio_gpio: detect output method at probe time
basic_mmio_gpio: request register regions
basic_mmio_gpio: allow overriding number of gpio
basic_mmio_gpio: convert to platform_{get,set}_drvdata()
basic_mmio_gpio: remove runtime width/endianness evaluation
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The local VIA GPIO config struct "gpio_config" collides with my
extension to the gpio_chip struct, so rename it to
viafb_gpio_config so we don't get this clash.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Allow GPIO_BASIC_MMIO_CORE to be used to provide an accessor library
for implementing GPIO drivers whilst abstracting the register access
detail. Based on a patch from Anton Vorontsov[1] and adapted to allow
bgpio_chip to be embedded in another structure.
Changes since v1:
- Register the gpio_chip in the platform device probe
1. https://lkml.org/lkml/2011/4/19/401
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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The build files for drivers/gpio has some wording and comments
about the directory being reserved exclusively for GPIO expanders
(according to the gpio.txt file these are on external busses) and
this has been false for some time. We already have PL061 and
Xilinx drivers which are in silicon and now I'm moving more
silicon drivers here, so delete this and reword it a bit.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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This patch allows to trace gpio operations using ftrace
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Make pca953x driver use the simple irq handler since no hardware control
is necessary and the driver lacks an irq_ack function. handle_edge_irq()
calls chip->irq_ack() which crashes since this function does not exist.
Signed-off-by: Erik Botö <erik.boto@pelagicore.com>
Signed-off-by: Richard Röjfors <richard.rojfors@pelagicore.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Export function gpiochip_find so that modules can use it.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Since all the drivers are in a 'if GPIOLIB/endif block', the depends on GPIOLIB
is redundant so remove them.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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The __raw_* accessors don't include memory barriers and can cause
problems when writes get stuck in write buffers.
Suggested-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Anton Vorontsov <cbouatmailru@gmail.com>
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Most controllers require the direction of a GPIO to be set by writing to
a direction register. Add support for either an input direction
register or an output direction register.
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Anton Vorontsov <cbouatmailru@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Some controllers have separate input and output registers. For these
controllers, use "set" for the output and "dat" for the input.
Changes since v2: reuse "set" for output and "dat" for input rather than
adding a new "in" register.
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Anton Vorontsov <cbouatmailru@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Rather than detecting the output method each time in the .set()
callback, do it at probe time and set the appropriate callback.
Changes since v2: moved the reg_dat initialization into
bgpio_setup_io().
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Anton Vorontsov <cbouatmailru@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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Make sure that we get the register regions with request_mem_region()
before ioremap() to make sure we have exclusive access.
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Acked-by: Anton Vorontsov <cbouatmailru@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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