[PATCH 07/13] opp: Allow _generic_set_opp_clk_only() to work for non-freq devices

Viresh Kumar viresh.kumar at linaro.org
Thu Jan 21 23:35:06 EST 2021


On 21-01-21, 23:26, Dmitry Osipenko wrote:
> 21.01.2021 14:17, Viresh Kumar пишет:
> > In order to avoid conditional statements at the caller site, this patch
> > updates _generic_set_opp_clk_only() to work for devices that don't
> > change frequency (like power domains, etc.). Return 0 if the clk pointer
> > passed to this routine is not valid.
> > 
> > Signed-off-by: Viresh Kumar <viresh.kumar at linaro.org>
> > ---
> ...
> 
> Hello Viresh,
> 
> Thank you very much for yours effort! I gave a quick test to this series
> and instantly found one small issue in this patch.
> 
> > +	/* We may reach here for devices which don't change frequency */
> > +	if (unlikely(!clk))
> 
> I replaced dev_pm_opp_set_voltage() with dev_pm_opp_set_opp() in the
> Tegra PD driver and got a crash, which happens because the above line
> should be:
> 
> 	if (IS_ERR(clk))

Fixed, thanks.

-- 
viresh



More information about the linux-arm-kernel mailing list