[PATCH 2/3] pwm: bcm2835: prevent division by zero

Stefan Wahren stefan.wahren at i2se.com
Wed Dec 2 09:08:45 PST 2015

Am 02.12.2015 um 00:16 schrieb Eric Anholt:
> Stefan Wahren <stefan.wahren at i2se.com> writes:
>> It's possible that the pwm clock become an orphan. So better
>> check the result of clk_get_rate in order to prevent a division
>> by zero.
> How would we lose our clock when we're keeping the clock enabled from
> driver probe until remove?

It's not the problem that we lose the clock inside this driver. The pwm
clock could be initial assigned to a unregistered parent clock like "GND".

I'm refering to this discussion:


> Patches 1 and 3 are:
> Reviewed-by: Eric Anholt <eric at anholt.net>

More information about the linux-rpi-kernel mailing list