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(parent: fc6cc39) | patch
pwm: atmel-hlcdc: Prevent division by zero
authorBoris BREZILLON <boris.brezillon@free-electrons.com>
Thu, 18 Dec 2014 20:05:30 +0000 (21:05 +0100)
committerThierry Reding <thierry.reding@gmail.com>
Fri, 30 Jan 2015 11:16:00 +0000 (12:16 +0100)
commitfad6521d700612d2300082832c0c76f364f50166
tree75bad2f5ed22e5c7fb71fee2a8151ce00e5f2968tree | snapshot
parentfc6cc3997183d7d027268fa35400363f283516fdcommit | diff
pwm: atmel-hlcdc: Prevent division by zero

The slow and system clock should never return a rate of zero, but this
might happen if the clocks property defined in the DT is referencing the
wrong clocks.

Prevent any division by zero from happening by testing the clk_freq
value before calling do_div().

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
drivers/pwm/pwm-atmel-hlcdc.c diff | blob | history
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