Re: [PATCH v2 11/11] phy: qcom-qmp-pcie: drop bogus register update

Dmitry Baryshkov
2022-09-30T11:16:11Z

On 29/09/2022 12:29, Johan Hovold wrote:
> Since commit 0d58280cf1e6 ("phy: Update PHY power control sequence") the
> PHY is powered on before configuring the registers and only the MSM8996
> PCIe PHY, which includes the POWER_DOWN_CONTROL register in its PCS
> initialisation table, may possibly require a second update afterwards.
>
> To make things worse, the POWER_DOWN_CONTROL register lies at a
> different offset on more recent SoCs so that the second update, which
> still used a hard-coded offset, would write to an unrelated register
> (e.g. a revision-id register on SC8280XP).
>
> As the MSM8996 PCIe PHY is now handled by a separate driver, simply drop
> the bogus register update.
>
> Fixes: e4d8b05ad5f9 ("phy: qcom-qmp: Use proper PWRDOWN offset for sm8150 USB") added support
> Signed-off-by: Johan Hovold <johan+linaro@kernel.org>

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> #RB3

--
With best wishes
Dmitry