[PATCH 2/2] phy: qualcomm: phy-qcom-eusb2-repeater: Don't zero-out registers

Konrad Dybcio konrad.dybcio at oss.qualcomm.com
Mon Jun 16 04:44:31 PDT 2025


On 6/16/25 11:45 AM, Luca Weiss wrote:
> Zeroing out registers does not happen in the downstream kernel, and will
> "tune" the repeater in surely unexpected ways since most registers don't
> have a reset value of 0x0.
> 
> Stop doing that and instead just set the registers that are in the init
> sequence (though long term I don't think there's actually PMIC-specific
> init sequences, there's board specific tuning, but that's a story for
> another day).
> 
> Fixes: 99a517a582fc ("phy: qualcomm: phy-qcom-eusb2-repeater: Zero out untouched tuning regs")
> Signed-off-by: Luca Weiss <luca.weiss at fairphone.com>
> ---

Riiight I thought this was effectively reverted already..

Reviewed-by: Konrad Dybcio <konrad.dybcio at oss.qualcomm.com>

Konrad



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