linux-toradex.git/drivers/i2c/Kconfig, branch v3.2.19 Linux kernel for Apalis and Colibri modules doc: Kconfig: Typo: square -> squared 2011-07-11T12:22:32+00:00 Michael Witten mfwitten@gmail.com 2011-07-08T22:33:24+00:00 622e040d577dc8a7a6efbfa4f056448f62b4039a Signed-off-by: Michael Witten <mfwitten@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz> 
Signed-off-by: Michael Witten <mfwitten@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Revert "i2c: Fix Kconfig dependencies" 2010-11-22T13:27:33+00:00 Arnaud Lacombe lacombar@gmail.com 2010-11-06T21:30:25+00:00 dfc518dd6b5c5e00f98906eaa5c7d716d856c098 This reverts commit 0a57274ea026c2b7670683947b6cc08b195148cf. Signed-off-by: Arnaud Lacombe <lacombar@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com> 
This reverts commit 0a57274ea026c2b7670683947b6cc08b195148cf.

Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
i2c: Fix Kconfig dependencies 2010-10-24T16:16:57+00:00 Jean Delvare khali@linux-fr.org 2010-10-24T16:16:57+00:00 0a57274ea026c2b7670683947b6cc08b195148cf drivers/i2c/algos/Kconfig makes all the algorithms dependent on !I2C_HELPER_AUTO, which triggers a Kconfig warning about broken dependencies when some driver selects one of the algorithms. Ideally we would make only the prompts dependent on !I2C_HELPER_AUTO, however Kconfig doesn't currently support that. So we have to redefine the symbols separately for the I2C_HELPER_AUTO=y case. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Michal Marek <mmarek@suse.cz> 
drivers/i2c/algos/Kconfig makes all the algorithms dependent on
!I2C_HELPER_AUTO, which triggers a Kconfig warning about broken
dependencies when some driver selects one of the algorithms. Ideally
we would make only the prompts dependent on !I2C_HELPER_AUTO, however
Kconfig doesn't currently support that. So we have to redefine the
symbols separately for the I2C_HELPER_AUTO=y case.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Michal Marek <mmarek@suse.cz>
i2c: I2C bus multiplexer driver pca954x 2010-08-11T16:21:03+00:00 Michael Lawnick ml.lawnick@gmx.de 2010-08-11T16:21:03+00:00 7f528135da9704d67db1f727162024b078e1cd8f I2C driver for PCA954x I2C multiplexer series. Signed-off-by: Michael Lawnick <ml.lawnick@gmx.de> Acked-by: Rodolfo Giometti <giometti@linux.it> Signed-off-by: Jean Delvare <khali@linux-fr.org> 
I2C driver for PCA954x I2C multiplexer series.

Signed-off-by: Michael Lawnick <ml.lawnick@gmx.de>
Acked-by: Rodolfo Giometti <giometti@linux.it>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
i2c: Multiplexed I2C bus core support 2010-08-11T16:21:02+00:00 Michael Lawnick ml.lawnick@gmx.de 2010-08-11T16:21:02+00:00 0826374bff57411d239f2fcb15da3c35af0a93cd Add multiplexed bus core support. I2C multiplexer and switches like pca954x get instantiated as new adapters per port. Signed-off-by: Michael Lawnick <ml.lawnick@gmx.de> Acked-by: Rodolfo Giometti <giometti@linux.it> Signed-off-by: Jean Delvare <khali@linux-fr.org> 
Add multiplexed bus core support. I2C multiplexer and switches
like pca954x get instantiated as new adapters per port.

Signed-off-by: Michael Lawnick <ml.lawnick@gmx.de>
Acked-by: Rodolfo Giometti <giometti@linux.it>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
i2c: Drop configure option I2C_DEBUG_CHIP 2010-03-13T19:56:55+00:00 Jean Delvare khali@linux-fr.org 2010-03-13T19:56:55+00:00 e77482d735efa2606c1f2afeebd53e1119d0e5c6 Now that directory drivers/i2c/chips is gone, configuration option I2C_DEBUG_CHIP no longer has any effect, so we can drop it. Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Wolfram Sang <w.sang@pengutronix.de> 
Now that directory drivers/i2c/chips is gone, configuration option
I2C_DEBUG_CHIP no longer has any effect, so we can drop it.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
tsl2550: Move from i2c/chips to misc 2010-03-13T19:56:54+00:00 Jean Delvare khali@linux-fr.org 2010-03-13T19:56:54+00:00 6a9bcced518b98a7e52b9e8e96af228b171e0498 Move the last remaining driver from i2c/chips to misc. Good ridance! Signed-off-by: Jean Delvare <khali@linux-fr.org> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Acked-by: Jonathan Cameron <jic23@cam.ac.uk> 
Move the last remaining driver from i2c/chips to misc. Good ridance!

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
i2c: Separate Kconfig option for i2c-smbus 2010-03-02T11:23:43+00:00 Jean Delvare khali@linux-fr.org 2010-03-02T11:23:43+00:00 e2ca307439fb9df922c3e8891289a2ac05812fb7 Having a separate Kconfig option for i2c-smbus makes it possible to build that support as a module even when i2c-core itself is built-in. Bus drivers which implement SMBus alert should select this option, so in most cases this option is hidden and the user doesn't have to care about it. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Trent Piepho <tpiepho@freescale.com> 
Having a separate Kconfig option for i2c-smbus makes it possible to
build that support as a module even when i2c-core itself is built-in.
Bus drivers which implement SMBus alert should select this option, so
in most cases this option is hidden and the user doesn't have to care
about it.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Trent Piepho <tpiepho@freescale.com>
i2c: Prevent priority inversion on top of bus lock 2009-12-06T16:06:22+00:00 Mika Kuoppala mika.kuoppala@nokia.com 2009-12-06T16:06:22+00:00 194684e596af4bdaebb424166d94a8aa528edfda Low priority thread holding the i2c bus mutex could block higher priority threads to access the bus resulting in unacceptable latencies. Change the mutex type to rt_mutex preventing priority inversion. Tested-by: Peter Ujfalusi <peter.ujfalusi@nokia.com> Signed-off-by: Mika Kuoppala <mika.kuoppala@nokia.com> Signed-off-by: Jean Delvare <khali@linux-fr.org> 
Low priority thread holding the i2c bus mutex could block higher
priority threads to access the bus resulting in unacceptable
latencies. Change the mutex type to rt_mutex preventing priority
inversion.

Tested-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@nokia.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
i2c: Provide compatibility links for i2c adapters 2009-09-18T20:45:46+00:00 Jean Delvare khali@linux-fr.org 2009-09-18T20:45:46+00:00 2bb5095affdb8d6e8646a5b8b5a35c1d6a28c3e7 Some user-space applications may be relying on i2c adapters showing up as class devices in sysfs. Provide compatibility links for them for the time being. We will remove them after a long transition period. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Kay Sievers <kay.sievers@vrfy.org> 
Some user-space applications may be relying on i2c adapters showing up
as class devices in sysfs. Provide compatibility links for them for
the time being. We will remove them after a long transition period.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Kay Sievers <kay.sievers@vrfy.org>