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2 Commits

Author SHA1 Message Date
Axel Lin 16b0c0ce83 pwm: imx: Prevent NULL pointer dereference 
pwm_id_to_reg() can return NULL, so add NULL testing to prevent NULL pointer
dereference.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Stefano Babic <sbabic@denx.de>
Acked-by: Heiko Schocher <hs@denx.de>
 2015-05-26 14:13:09 +02:00
Heiko Schocher b2f97cf279 pwm, imx6: add support for pwm modul on imx6 
add basic support for the pwm modul found on imx6.
Pieces of this code are based on linux code from drivers/pwm/pwm-imx.c
Commit "cd3de83f1476 Linux 3.16-rc4"

Signed-off-by: Heiko Schocher <hs@denx.de>
Acked-by: Stefano Babic <sbabic@denx.de>
Cc: Wolfgang Denk <wd@denx.de>
 2014-07-23 12:25:42 +02:00