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SubjectRe: [PATCH] opp: Fix dev_pm_opp_set_rate() to not return early
On Mon, Aug 10, 2020 at 12:36:19PM +0530, Rajendra Nayak wrote:
> dev_pm_opp_set_rate() can now be called with freq = 0 inorder
> to either drop performance or bandwidth votes or to disable
> regulators on platforms which support them.
> In such cases, a subsequent call to dev_pm_opp_set_rate() with
> the same frequency ends up returning early because 'old_freq == freq'
> Instead make it fall through and put back the dropped performance
> and bandwidth votes and/or enable back the regulators.
>
> Fixes: cd7ea582 ("opp: Make dev_pm_opp_set_rate() handle freq = 0 to drop performance votes")
> Reported-by: Sajida Bhanu <sbhanu@codeaurora.org>
> Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>

Tested-by: Matthias Kaehlcke <mka@chromium.org>

Originally-reported-by: Matthias Kaehlcke <mka@chromium.org>
https://patchwork.kernel.org/patch/11675369/#23514895 :P

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