- 02 4月, 2013 1 次提交
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由 Lars-Peter Clausen 提交于
i2c_del_adapter() always returns 0. So all checks testing whether it will be non zero will always evaluate to false and the conditional code is dead code. This patch updates all callers of i2c_del_mux_adapter() to ignore the return value and assume that it will always succeed (which it will). In a subsequent patch the return type of i2c_del_adapter() will be made void. Signed-off-by: NLars-Peter Clausen <lars@metafoo.de> Acked-by: NBen Hutchings <bhutchings@solarflare.com> Reviewed-by: NJean Delvare <khali@linux-fr.org> Acked-by: NShawn Guo <shawn.guo@linaro.org> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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- 29 3月, 2013 1 次提交
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由 Sachin Kamat 提交于
This eliminates having an #ifdef returning NULL for the case when OF is disabled. Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org> Acked-by: NLudovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: NWolfram Sang <wsa@the-dreams.de>
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- 11 2月, 2013 1 次提交
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由 Joachim Eastwood 提交于
Commit 70d46a24 "i2c: at91: add dt support to i2c-at91" added DT only support for at91sam9x5. Building i2c-at91 without CONFIG_OF now warns about at91sam9x5_config as being unused. drivers/i2c/busses/i2c-at91.c:556:30: warning: 'at91sam9x5_config' defined but not used [-Wunused-variable] Move at91sam9x5_config under the defined(CONFIG_OF) guard as new AT91 SoCs will be DT only. Signed-off-by: NJoachim Eastwood <manabian@gmail.com> Signed-off-by: NWolfram Sang <wolfram@the-dreams.de>
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- 28 1月, 2013 1 次提交
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由 Joachim Eastwood 提交于
Signed-off-by: NJoachim Eastwood <manabian@gmail.com> Acked-by: NLudovic Ddesroches <ludovic.desroches@atmel.com> Signed-off-by: NWolfram Sang <w.sang@pengutronix.de>
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- 25 1月, 2013 1 次提交
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由 Thierry Reding 提交于
Convert all uses of devm_request_and_ioremap() to the newly introduced devm_ioremap_resource() which provides more consistent error handling. devm_ioremap_resource() provides its own error messages so all explicit error messages can be removed from the failure code paths. Signed-off-by: NThierry Reding <thierry.reding@avionic-design.de> Acked-by: NWolfram Sang <w.sang@pengutronix.de> Cc: Ben Dooks <ben-linux@fluff.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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- 23 12月, 2012 1 次提交
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由 Bill Pemberton 提交于
CONFIG_HOTPLUG is going away as an option. As result the __dev* markings will be going away. Remove use of __devinit, __devexit_p, __devinitdata, __devinitconst, and __devexit. Signed-off-by: NBill Pemberton <wfp5p@virginia.edu> Acked-by: Peter Korsgaard <peter.korsgaard@barco.com> (for ocores and mux-gpio) Acked-by: Havard Skinnemoen <hskinnemoen@gmail.com> (for i2c-gpio) Acked-by: Guan Xuetao <gxt@mprc.pku.edu.cn> (for puf3) Acked-by: Barry Song <baohua.song@csr.com> (for sirf) Reviewed-by: NJean Delvare <khali@linux-fr.org> [wsa: Fixed "foo* bar" flaws while we are here] Signed-off-by: NWolfram Sang <w.sang@pengutronix.de>
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- 25 11月, 2012 3 次提交
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由 Ludovic Desroches 提交于
Add dma support for Atmel TWI which is available on sam9x5 and later. When using dma for reception, you have to read only n-2 bytes. The last two bytes are read manually. Don't doing this should cause to send the STOP command too late and then to get extra data in the receive register. Signed-off-by: NLudovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: NWolfram Sang <w.sang@pengutronix.de>
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由 Ludovic Desroches 提交于
Replace tabs for struct members indentation by space to minimise line changes when adding new members which would require extra tabs to keep alignment. Signed-off-by: NLudovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: NWolfram Sang <w.sang@pengutronix.de>
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由 Ludovic Desroches 提交于
This patch fixes the following warning: drivers/i2c/busses/i2c-at91.c: In function ‘at91_twi_get_driver_data’: drivers/i2c/busses/i2c-at91.c:411:3: warning: return discards ‘const’ qualifier from pointer target type [enabled by default] Signed-off-by: NLudovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: NWolfram Sang <w.sang@pengutronix.de>
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- 14 11月, 2012 2 次提交
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由 Ludovic Desroches 提交于
The driver claims to support SMBus quick command but it was not the case. This patch fixes this issue. Without it, i2cdetect finds imaginary devices. And with some IP versions, trying to send 0 byte can cause issue when writing data to an EEPROM. Signed-off-by: NLudovic Desroches <ludovic.desroches@atmel.com> Acked-by: NJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> [wsa: improved the commit message] Signed-off-by: NWolfram Sang <w.sang@pengutronix.de>
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由 Ludovic Desroches 提交于
The driver claims to support SMBus quick command but it was not the case. This patch fixes this issue. Without it, i2cdetect finds imaginary devices. And with some IP versions, trying to send 0 byte can cause issue when writing data to an EEPROM. Signed-off-by: NLudovic Desroches <ludovic.desroches@atmel.com> Acked-by: NJean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> [wsa: improved the commit message] Signed-off-by: NWolfram Sang <w.sang@pengutronix.de>
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- 12 9月, 2012 3 次提交
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由 Ludovic Desroches 提交于
Signed-off-by: NLudovic Desroches <ludovic.desroches@atmel.com> Acked-by: NNikolaus Voss <n.voss@weinmann.de> Acked-by: NNicolas Ferre <nicolas.ferre@atmel.com> Signed-off-by: NWolfram Sang <w.sang@pengutronix.de>
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由 Nikolaus Voss 提交于
This driver has the following properties compared to the old driver: 1. Support for multiple interfaces. 2. Interrupt driven I/O as opposed to polling/busy waiting. 3. Support for _one_ repeated start (Sr) condition, which is enough for most real-world applications including all SMBus transfer types. (The hardware does not support issuing arbitrary Sr conditions on the bus.) testing: SoC: at91sam9g45 - BQ20Z80 battery SMBus client. - on a 2.6.38 kernel with several i2c clients (temp-sensor, audio-codec, touchscreen-controller, w1-bridge, io-expanders) Signed-off-by: NNikolaus Voss <n.voss@weinmann.de> Reviewed-by: NFelipe Balbi <balbi@ti.com> Tested-by: NHubert Feurstein <h.feurstein@gmail.com> Tested-by: NLudovic Desroches <ludovic.desroches@atmel.com> Reviewed-by: NNicolas Ferre <nicolas.ferre@atmel.com> [wsa: squashed with the following patches from Ludovic to have some flaws fixed: i2c: at91: use managed resources i2c: at91: add warning about transmission issues for some devices i2c: at91: use an id table for SoC dependent parameters ] Signed-off-by: NLudovic Desroches <ludovic.desroches@atmel.com> Signed-off-by: NWolfram Sang <w.sang@pengutronix.de>
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由 Nikolaus Voss 提交于
It will get replaced by a superior one. Safe to remove since this one depends on BROKEN anyhow. Signed-off-by: NNikolaus Voss <n.voss@weinmann.de> Tested-by: NLudovic Desroches <ludovic.desroches@atmel.com> Reviewed-by: NNicolas Ferre <nicolas.ferre@atmel.com> [wsa: added commit message] Signed-off-by: NWolfram Sang <w.sang@pengutronix.de>
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- 12 7月, 2012 1 次提交
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由 Rafael J. Wysocki 提交于
Make the AT91 Two-Wire Interface driver define its PM callbacks through a struct dev_pm_ops object rather than by using legacy PM hooks in struct platform_driver. Signed-off-by: NRafael J. Wysocki <rjw@sisk.pl> Signed-off-by: NWolfram Sang <w.sang@pengutronix.de>
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- 13 1月, 2012 1 次提交
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由 Axel Lin 提交于
Convert the drivers in drivers/i2c/busses/* to use the module_platform_driver() macro which makes the code smaller and a bit simpler. Cc: Ben Dooks <ben-linux@fluff.org> Acked-by: NJochen Friedrich <jochen@scram.de> Acked-by: NPeter Korsgaard <jacmet@sunsite.dk> Acked-by: NWolfram Sang <w.sang@pengutronix.de> Cc: Manuel Lauss <manuel.lauss@googlemail.com> Cc: Barry Song <21cnbao@gmail.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Yong Zhang <yong.zhang0@gmail.com> Cc: Lucas De Marchi <lucas.demarchi@profusion.mobi> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: NAxel Lin <axel.lin@gmail.com> Signed-off-by: NJean Delvare <khali@linux-fr.org>
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- 22 5月, 2010 1 次提交
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由 H Hartley Sweeten 提交于
As warned by checkpatch.pl, <linux/io.h> should be used instead of <asm/io.h>. Signed-off-by: NH Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: NJean Delvare <khali@linux-fr.org>
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- 17 6月, 2009 1 次提交
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由 Linus Walleij 提交于
This replace all instances in the i2c busses tree of res->end - res->start + 1 with the handy macro resource_size(res) from ioport.h (coming in from platform_device.h). This was created with a simple sed -i -e 's/\([a-z]*\)->end *- *[a-z]*->start *+ *1/resource_size(\1)/g' Then manually replacing the PXA redefiniton of the same kind of macro manually. Recompiled some ARM defconfigs I could find to make a rough test so it shouldn't break anything, though I couldn't see exactly which configs you need for all the drivers. Signed-off-by: NLinus Walleij <linus.walleij@stericsson.com> Signed-off-by: NBen Dooks <ben-linux@fluff.org>
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- 07 1月, 2009 1 次提交
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由 Jean Delvare 提交于
Use snprintf instead of sprintf to set adapter names, it's safer. Signed-off-by: NJean Delvare <khali@linux-fr.org>
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- 24 8月, 2008 1 次提交
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由 Adrian Bunk 提交于
This patch lets the files using linux/version.h match the files that #include it. Signed-off-by: NAdrian Bunk <bunk@kernel.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 07 8月, 2008 1 次提交
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由 Russell King 提交于
This just leaves include/asm-arm/plat-* to deal with. Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>
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- 23 4月, 2008 1 次提交
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由 Kay Sievers 提交于
Since 43cc71ee, the platform modalias is prefixed with "platform:". Add MODULE_ALIAS() to the hotpluggable I2C platform drivers, to allow module auto loading. [ db: add some more drivers ] Signed-off-by: NKay Sievers <kay.sievers@vrfy.org> Signed-off-by: NDavid Brownell <dbrownell@users.sourceforge.net> Signed-off-by: NJean Delvare <khali@linux-fr.org>
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- 15 1月, 2008 1 次提交
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由 Joe Perches 提交于
[JD: One more fix in i2c-dev.] Signed-off-by: NJoe Perches <joe@perches.com> Signed-off-by: NJean Delvare <khali@linux-fr.org>
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- 11 5月, 2007 2 次提交
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由 Alexey Dobriyan 提交于
CC drivers/i2c/busses/i2c-at91.o drivers/i2c/busses/i2c-at91.c: In function 'at91_i2c_probe': drivers/i2c/busses/i2c-at91.c:213: warning: implicit declaration of function 'IS_ERR' Signed-off-by: NAlexey Dobriyan <adobriyan@gmail.com> Cc: David Brownell <david-b@pacbell.net> Acked-by: NJean Delvare <khali@linux-fr.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 David Brownell 提交于
Make i2c-at91 register as i2c adapter zero (none of these chips seem to have more than one TWI controllers) to let it kick in any board-specific device declarations; also make it hotplug/coldplug. Signed-off-by: NDavid Brownell <dbrownell@users.sourceforge.net> Acked-by: NJean Delvare <khali@linux-fr.org> Cc: Andrew Victor <andrew@sanpeople.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 03 5月, 2007 1 次提交
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由 Jean Delvare 提交于
I noticed that many source files include <linux/pci.h> while they do not appear to need it. Here is an attempt to clean it all up. In order to find all possibly affected files, I searched for all files including <linux/pci.h> but without any other occurence of "pci" or "PCI". I removed the include statement from all of these, then I compiled an allmodconfig kernel on both i386 and x86_64 and fixed the false positives manually. My tests covered 66% of the affected files, so there could be false positives remaining. Untested files are: arch/alpha/kernel/err_common.c arch/alpha/kernel/err_ev6.c arch/alpha/kernel/err_ev7.c arch/ia64/sn/kernel/huberror.c arch/ia64/sn/kernel/xpnet.c arch/m68knommu/kernel/dma.c arch/mips/lib/iomap.c arch/powerpc/platforms/pseries/ras.c arch/ppc/8260_io/enet.c arch/ppc/8260_io/fcc_enet.c arch/ppc/8xx_io/enet.c arch/ppc/syslib/ppc4xx_sgdma.c arch/sh64/mach-cayman/iomap.c arch/xtensa/kernel/xtensa_ksyms.c arch/xtensa/platform-iss/setup.c drivers/i2c/busses/i2c-at91.c drivers/i2c/busses/i2c-mpc.c drivers/media/video/saa711x.c drivers/misc/hdpuftrs/hdpu_cpustate.c drivers/misc/hdpuftrs/hdpu_nexus.c drivers/net/au1000_eth.c drivers/net/fec_8xx/fec_main.c drivers/net/fec_8xx/fec_mii.c drivers/net/fs_enet/fs_enet-main.c drivers/net/fs_enet/mac-fcc.c drivers/net/fs_enet/mac-fec.c drivers/net/fs_enet/mac-scc.c drivers/net/fs_enet/mii-bitbang.c drivers/net/fs_enet/mii-fec.c drivers/net/ibm_emac/ibm_emac_core.c drivers/net/lasi_82596.c drivers/parisc/hppb.c drivers/sbus/sbus.c drivers/video/g364fb.c drivers/video/platinumfb.c drivers/video/stifb.c drivers/video/valkyriefb.c include/asm-arm/arch-ixp4xx/dma.h sound/oss/au1550_ac97.c I would welcome test reports for these files. I am fine with removing the untested files from the patch if the general opinion is that these changes aren't safe. The tested part would still be nice to have. Note that this patch depends on another header fixup patch I submitted to LKML yesterday: [PATCH] scatterlist.h needs types.h http://lkml.org/lkml/2007/3/01/141Signed-off-by: NJean Delvare <khali@linux-fr.org> Cc: Badari Pulavarty <pbadari@us.ibm.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 11 12月, 2006 1 次提交
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由 Andrew Victor 提交于
Add support for the I2C (Two-wire interface) controller integrated in the Atmel AT91RM9200 processor. This driver should also be usable on the Atmel AT91SAM9261 and AT91SAM9260 processors. Signed-off-by: NAndrew Victor <andrew@sanpeople.com> Signed-off-by: NMark M. Hoffman <mhoffman@lightlink.com> Signed-off-by: NJean Delvare <khali@linux-fr.org>
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