On 19 September 2017 at 07:57, Dave Gerlach <d-gerlach@xxxxxx> wrote:
> Commit edeec420de24 ("cpufreq: dt-platdev: Automatically create cpufreq
> device with OPP v2") causes a cpufreq-dt platform device to be
> automatically created for any platform with an OPP v2 node defined.
> However, ti-cpufreq registers the cpufreq-dt platdev at the end of probe
> in order to ensure the ti-cpufreq driver probes first and provides the
> necessary opp-supported-hw for cpufreq-dt. With this new patch now a
> dupluicate cpufreq-dt is created, which we do not want. To avoid this,
> add the platforms handled by ti-cpufreq to the blacklist provided in the
> aforementioned commit to allow ti-cpufreq to continue creating the
> cpufreq-dt platdev.
>
> This applies to am335x, am437x, dra7xx, and am57xx.
>
> Fixes: edeec420de24 ("cpufreq: dt-cpufreq: platdev Automatically create device with OPP v2")
> Signed-off-by: Dave Gerlach <d-gerlach@xxxxxx>
> ---
> drivers/cpufreq/cpufreq-dt-platdev.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/cpufreq/cpufreq-dt-platdev.c b/drivers/cpufreq/cpufreq-dt-platdev.c
> index a020da7940d6..c6f554ba9bb3 100644
> --- a/drivers/cpufreq/cpufreq-dt-platdev.c
> +++ b/drivers/cpufreq/cpufreq-dt-platdev.c
> @@ -106,6 +106,10 @@ static const struct of_device_id whitelist[] __initconst = {
> * platforms using "operating-points-v2" property.
> */
> static const struct of_device_id blacklist[] __initconst = {
> + { .compatible = "ti,am33xx", },
> + { .compatible = "ti,am43", },
> + { .compatible = "ti,dra7", },
> +
> { }
> };
Perhaps you should ask Sunil to improve his patch.
https://marc.info/?l=linux-kernel&m=150576233031387&w=2
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