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i2c: piix4: Use request_muxed_region
authorGuenter Roeck <linux@roeck-us.net>
Mon, 26 Feb 2018 20:46:53 +0000 (12:46 -0800)
committerWolfram Sang <wsa@the-dreams.de>
Fri, 2 Mar 2018 10:17:23 +0000 (11:17 +0100)
commit04b6fcaba346e1ce76321ba9b0fd549da4c37ac2
tree4fb3c27efee1361d587749dd60fb1d89e9523fa9tree | snapshot
parent0e89b2fec748177899c1f9ebfbe87714ffa248ebcommit | diff
i2c: piix4: Use request_muxed_region

Accesses to SB800_PIIX4_SMB_IDX can occur from multiple drivers.
One example for another driver is the sp5100_tco driver.

Use request_muxed_region() to ensure synchronization.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
drivers/i2c/busses/i2c-piix4.c diff | blob | history