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linux/drivers/i2c
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Mika Kuoppala 194684e596 i2c: Prevent priority inversion on top of bus lock 
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>
2009-12-06 17:06:22 +01:00
..
algos i2c-algo-pca: Let PCA9564 recover from unacked data byte (state 0x30) 2009-05-05 08:39:25 +02:00
busses i2c-voodoo3: Delete 2009-12-06 17:06:21 +01:00
chips i2c/chips: Move ds1682 to drivers/misc 2009-12-06 17:06:16 +01:00
i2c-boardinfo.c i2c: Use rwsem instead of mutex for board info 2009-06-19 16:58:20 +02:00
i2c-core.c i2c: Prevent priority inversion on top of bus lock 2009-12-06 17:06:22 +01:00
i2c-core.h i2c: Use rwsem instead of mutex for board info 2009-06-19 16:58:20 +02:00
i2c-dev.c i2c-dev: Clarify the unit of ioctl I2C_TIMEOUT 2009-02-24 19:19:49 +01:00
Kconfig i2c: Prevent priority inversion on top of bus lock 2009-12-06 17:06:22 +01:00
Makefile