Re: [PATCH 05/10] phy: qcom-ipq806x-usb: fix the SS PHY TEST_POWERDOWN bit
Konrad Dybcio <[email protected]>
| Newsgroups | org.infradead.lists.linux-phy,org.kernel.vger.linux-arm-msm,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel,org.kernel.vger.linux-usb |
|---|---|
| Message-ID | <[email protected]> |
On 8/10/26 1:42 PM, Dmitry Baryshkov wrote:
> The SS PHY exit sequence tries to put the PHY into retention via the
> TEST_POWERDOWN bit of SS_PHY_CTRL, but defines that bit as BIT(27). In
> the DWC3 QSCRATCH SS_PHY_CTRL register TEST_POWERDOWN is bit 26 (see
> the downstream phy-msm-ssusb driver for the same IP generation), so the
> sequence pokes an unrelated bit and the PHY is never powered down.
>
> Fixes: ef19b117b834 ("phy: qualcomm: add qcom ipq806x dwc usb phy driver")
> Assisted-by: Claude:claude-fable-5
> Signed-off-by: Dmitry Baryshkov <[email protected]>
> ---
Reviewed-by: Konrad Dybcio <[email protected]>
Konrad
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