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4 Commits

Author SHA1 Message Date
Alexander Sverdlin
7e2dc811b4 i2c: axxia: Add bus recovery functionality 
Use recovery framework and implement bus recovery using "Bus Monitor" register.
Tests show that shortening SDA to GND results in "completion" timeout with
"BUSY" bit still set, so initiate recovery in this case.

Signed-off-by: Alexander Sverdlin <alexander.sverdlin@nokia.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
 2015-06-03 00:40:16 +09:00
Nicholas Mc Guire
2abaccb356 i2c: axxia: fixup return type of wait_for_completion_timeout 
return type of wait_for_completion_timeout is unsigned long not int. The
return variable is renamed to reflect its use and the type adjusted to
unsigned long.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
 2015-03-15 10:51:34 +01:00
Wolfram Sang
280d230012 i2c: axxia: make use of the new infrastructure for quirks 
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
 2015-03-13 15:10:55 +01:00
Anders Berg
08678b850c i2c: axxia: Add I2C driver for AXM55xx 
Add I2C bus driver for the controller found in the LSI Axxia family SoCs. The
driver implements 10-bit addressing and SMBus transfer modes via emulation
(including SMBus block data read).

Signed-off-by: Anders Berg <anders.berg@avagotech.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
 2014-10-03 14:11:53 +02:00