- 18 Jul, 2009 1 commit
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Randy Dunlap authored
include/linux/gpio.h:93: warning: 'struct device' declared inside parameter list include/linux/gpio.h:93: warning: its scope is only this definition or declaration, which is probably not what you want Signed-off-by:
Randy Dunlap <randy.dunlap@oracle.com> Cc: Jani Nikula <ext-jani.1.nikula@nokia.com> Cc: David Brownell <david-b@pacbell.net> Cc: Daniel Silverstone <dsilvers@simtec.co.uk> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org>
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- 01 Jul, 2009 1 commit
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Jani Nikula authored
Cc: David Brownell <david-b@pacbell.net> Cc: Daniel Silverstone <dsilvers@simtec.co.uk> Signed-off-by:
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- 23 Jun, 2009 1 commit
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Jani Nikula authored
be named) already provides naming on the chip level. This patch provides more flexibility by allowing multiple names where ever in sysfs on a per GPIO basis. Adapted from David Brownell's comments on a similar concept: http://lkml.org/lkml/2009/4/20/203. Signed-off-by:
Jani Nikula <ext-jani.1.nikula@nokia.com> Cc: David Brownell <david-b@pacbell.net> Cc: Daniel Silverstone <dsilvers@simtec.co.uk> Signed-off-by:
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- 09 Sep, 2009 1 commit
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Matthew Garrett authored
at boot and resume, avoiding the need for userspace to do so. Unfortunately userspace currently has no way to know whether this configuration option is enabled and thus cannot sensibly choose whether to run hwclock itself or not. Add a hctosys sysfs attribute which indicates whether a given RTC set the system clock. Signed-off-by:
Matthew Garrett <mjg@redhat.com> Acked-by:
Alessandro Zummo <a.zummo@towertech.it> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: David Brownell <david-b@pacbell.net> Signed-off-by:
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- 05 Sep, 2009 1 commit
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Matthew Garrett authored
Add some basic documentation defining the semantics of the fields. Signed-off-by:
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- 27 Aug, 2009 1 commit
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Anton Vorontsov authored
i2c_client or spi_device) isn't wakeup capable. For I2C devices there is I2C_CLIENT_WAKE flag exists that we can pass via board info, and if set, I2C core will initialize wakeup capability. For SPI devices there is no such flag at all. I believe that it's not platform code responsibility to allow or disallow wakeups, instead, drivers themselves should set the capability if a device can trigger wakeups. That's what drivers/base/power/sysfs.c says: * It is the responsibility of device drivers to enable (or disable) * wakeup signaling as part of changing device power states, respecting * the policy choices provided through the driver model. I2C and SPI RTC devices send wakeup events via interrupt lines, so we should set the wakeup capability if IRQ is routed. Ideally we should also check irq for wakeup capability before setting device's capability, i.e. if (can_irq_wake(irq)) device_set_wakeup_capable(&client->dev, 1); But there is no can_irq_wake() call exist, and it is not that trivial to implement it for all interrupts controllers and complex/cascaded setups. drivers/base/power/sysfs.c also covers these cases: * Devices may not be able to generate wakeup events from all power * states. Also, the events may be ignored in some configurations; * for example, they might need help from other devices that aren't * active So there is no guarantee that wakeup will actually work, and so I think there is no point in being pedantic wrt checking IRQ wakeup capability. Signed-off-by:
Anton Vorontsov <avorontsov@ru.mvista.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Ben Dooks <ben-linux@fluff.org> Cc: Jean Delvare <khali@linux-fr.org> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by:
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- 02 Sep, 2009 1 commit
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David Brownell authored
Platform driver 'at91_rtc' needs updating - please use dev_pm_ops ... by just switching IRQ 1/at91_rtc: IRQF_DISABLED is not guaranteed on shared IRQs ... no longer needed now that rtc_update_irq() changed Signed-off-by:
David Brownell <dbrownell@users.sourceforge.net> Acked-by:
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- 04 Aug, 2009 1 commit
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Julia Lawall authored
The semantic match that finds the problem is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @r exists@ local idexpression x; statement S; expression E; identifier f,f1,l; position p1,p2; expression *ptr != NULL; @@ x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...); ... if (x == NULL) S <... when != x when != if (...) { <+...x...+> } ( x->f1 = E | (x->f1 == NULL || ...) | f(...,x->f1,...) ) ...> ( return \(0\|<+...x...+>\|ptr\); | return@p2 ...; ) @script:python@ p1 << r.p1; p2 << r.p2; @@ print "* file: %s kmalloc %s return %s" % (p1[0].file,p1[0].line,p2[0].line) // </smpl> Signed-off-by:
Julia Lawall <julia@diku.dk> Cc: David Brownell <david-b@pacbell.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by:
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- 03 Aug, 2009 1 commit
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Julia Lawall authored
initialized to the result of calling rtc_device_register. Thus the test that ds1307->rtc is not NULL is always true. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @match exists@ expression x, E; statement S1, S2; @@ x = rtc_device_register(...) ... when != x = E ( * if (x == NULL || ...) S1 else S2 | * if (x == NULL && ...) S1 else S2 ) // </smpl> Signed-off-by:
Wolfram Sang <w.sang@pengutronix.de> Cc: David Brownell <david-b@pacbell.net> Signed-off-by:
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- 18 Aug, 2009 1 commit
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James Toy authored
Right now the pcap core driver passes a reference to its pcap data abusing the subdrivers platform drvdata, this is not good. Get the reference directly from the parent device. This change was suggested by Mark Brown in http://www.spinics.net/lists/linux-input/msg04285.htmlSigned-off-by:
Antonio Ospite <ospite@studenti.unina.it> Cc: Daniel Ribeiro <drwyrm@gmail.com> Cc: guiming zhuo <gmzhuo@gmail.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by:
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- 29 Jun, 2009 1 commit
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Daniel Ribeiro authored
Signed-off-by:
guiming zhuo <gmzhuo@gmail.com> Acked-by:
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- 24 Aug, 2009 2 commits
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Daniel Ribeiro authored
Signed-off-by:
Daniel Ribeiro <drwyrm@gmail.com> Acked-by:
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Alessandro Zummo authored
Signed-off-by:
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- 05 Sep, 2009 1 commit
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christian pellegrin authored
- Fix bug on crashing when module unloaded but no chip present - Add access to registers via sysfs (needed for accessing calibration register which is needed for a good stability of the RTC) Signed-off: Christian Pellegrin <chripell@fsfe.org> Tested-by:
Christian Pellegrin <chripell@fsfe.org> Cc: Chris Verges <chrisv@cyberswitching.com> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by:
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- 01 Jul, 2009 1 commit
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Chris Verges authored
You're right ... much cleaner. Proof that one should not code over vacation. :-) Full patch re-created and attached. Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by:
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- 29 Jun, 2009 2 commits
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Andrew Morton authored
Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: -
Chris Verges authored
Major points of the update include: - Moved PCF2123 section in Kconfig to be inside the "if SPI_MASTER" blob, to take care of dependencies. - Changed udelay() to macro w/ comment, and shifted to using ndelay() instead due to 30 nsec requirement, not 30 usec as was originally coded. - Bypass delay if spi_*() commands fail. Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by:
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- 26 Jun, 2009 1 commit
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Chris Verges authored
Our hardware should arrive in early July, so I'll update (v0.3?) based on testing after that. Signed-off-by:
Chris Verges <chrisv@cyberswitching.com> Signed-off-by:
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- 24 Aug, 2009 1 commit
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dmitry pervushin authored
Signed-off-by:
dmitry pervushin <dpervushin@embeddedalley.com> Signed-off-by:
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- 29 Jun, 2009 1 commit
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Michael Hennerich authored
have it be shared. Signed-off-by:
Michael Hennerich <michael.hennerich@analog.com> Signed-off-by:
Mike Frysinger <vapier@gentoo.org> Signed-off-by:
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- 26 Jun, 2009 1 commit
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Mike Frysinger authored
Signed-off-by:
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- 24 Aug, 2009 1 commit
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Linus Walleij authored
series mobile platforms to the RTC subsystem. It integrates to the ARM kernel support recently added to RMKs ARM tree and will be enabled in the U300 defconfig in due time. Signed-off-by:
Linus Walleij <linus.walleij@stericsson.com> Signed-off-by:
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- 14 Jul, 2009 1 commit
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Andrew Morton authored
Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Daniel Mack <daniel@caiaq.de> Cc: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by:
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- 26 Jun, 2009 2 commits
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Andrew Morton authored
Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Daniel Mack <daniel@caiaq.de> Cc: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: -
Daniel Mack authored
The code is taken from Freescale's BSPs, but modified to fit the current kernel coding mechanisms. Also, the PMIC external clock function was removed for now to not add dead bits and keep the code as simple as possible. Signed-off-by:
Daniel Mack <daniel@caiaq.de> Cc: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by:
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- 25 Jul, 2009 1 commit
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Roel Kluin authored
if a negative number is supplied and the leap-year condition is not met, month will be 0, leading to a read of day_n[-1] Signed-off-by:
Roel Kluin <roel.kluin@gmail.com> Signed-off-by:
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- 21 Jul, 2009 1 commit
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M. Mohan Kumar authored
cases. Since __do_IRQ is deprecated, change lkdtm code to use do_IRQ function. Signed-off-by:
M. Mohan Kumar <mohan@in.ibm.com> Cc: Ankita Garg <ankita@in.ibm.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Masami Hiramatsu <mhiramat@redhat.com> Signed-off-by:
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- 02 Sep, 2009 5 commits
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David Brownell authored
that talk to TX-only or RX-only devices. (Existing half-duplex flavors support both transfer directions, just not at the same time.) Move spi_async() into the spi.c core, and stop inlining it. Then make that function perform error checks and reject messages that demand more than the underlying controller can support. Based on a patch from Marek Szyprowski which did this only for the bitbanged GPIO driver. Cc: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by:
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Syed Rafiuddin authored
are changed between OMAP1/2/3 and OMAP4. The fields of the resource structures are filled at runtime to have McSPI support on OMAP4. Signed-off-by:
Syed Rafiuddin <rafiuddin.syed@ti.com> Acked-by:
Kevin Hilman <khilman@deeprootsystems.com> Acked-by:
Tony Lindgren <tony@atomide.com> Acked-by:
Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by:
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Tero Kristo authored
a specific chip select. This could cause occasional errors on an SPI bus where multiple chip selects are in use. Signed-off-by:
Tero Kristo <tero.kristo@nokia.com> Signed-off-by:
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Hemanth V authored
Signed-off-by:
Hemanth V <hemanthv@ti.com> Reviewed-by:
Aaro Koskinen <Aaro.Koskinen@nokia.com> Signed-off-by:
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dmitry pervushin authored
[dbrownell@users.sourceforge.net: cleanup sequence, spi_unregister_master] Signed-off-by:
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- 14 Aug, 2009 5 commits
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Ben Dooks authored
being called more often, and thus is often re-doing calculations that have been done before. The SPI layer allows our driver to add its own data to each device so add a result cache to each device. This should also remove the problem where we where directly setting up registers in the setup call which meant we might overwrite the state of an extant transfer., Signed-off-by:
Ben Dooks <ben@simtec.co.uk> Cc: David Brownell <david-b@pacbell.net> Signed-off-by:
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Ben Dooks authored
warning during probe: Platform driver 's3c2410-spi' needs updating - please use dev_pm_ops Signed-off-by:
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Ben Dooks authored
get the size of the resource. Signed-off-by; Ben Dooks <ben@simtec.co.uk> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: -
Ben Dooks authored
and also includes <mach/hardware.h> and <asm/dma.h> without using anything from these. Signed-off-by:
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Ben Dooks authored
Signed-off-by:
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- 24 Aug, 2009 2 commits
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Antonio Ospite authored
Signed-off-by:
Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Eric Miao <eric.y.miao@gmail.com> Cc: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: Daniel Ribeiro <drwyrm@gmail.com> Cc: Samuel Ortiz <sameo@linux.intel.com> Cc: Liam Girdwood <lrg@slimlogic.co.uk> Signed-off-by:
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Anton Vorontsov authored
not sure why we use the prefixes, but there must be a reason. This was easy enough to do it, and I did it. Signed-off-by:
Mike Frysinger <vapier.adi@gmail.com> Signed-off-by:
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- 31 Jul, 2009 1 commit
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Anton Vorontsov authored
Signed-off-by:
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