Re: [PATCH 3/4] phy: qcom: phy-qcom-snps-eusb2: Add missing write from init sequence

[neil.armstrong@linaro.org]

On 25/06/2025 11:14, Luca Weiss wrote:
> As per a commit from Qualcomm's downstream 6.1 kernel[0], the init
> sequence is missing writing 0x00 to USB_PHY_CFG0 at the end, as per the
> 'latest' HPG revision (as of November 2023).
> 
> [0] https://git.codelinaro.org/clo/la/kernel/qcom/-/commit/b77774a89e3fda3246e09dd39e16e2ab43cd1329
> 
> Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
> ---
>   drivers/phy/phy-snps-eusb2.c | 3 +++
>   1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/phy/phy-snps-eusb2.c b/drivers/phy/phy-snps-eusb2.c
> index b73a1d7e57b32cfdfbe314ab938ec54746ed53be..e232b8b4d29100b8fee9e913e2124788af09f2aa 100644
> --- a/drivers/phy/phy-snps-eusb2.c
> +++ b/drivers/phy/phy-snps-eusb2.c
> @@ -437,6 +437,9 @@ static int qcom_snps_eusb2_hsphy_init(struct phy *p)
>   	snps_eusb2_hsphy_write_mask(phy->base, QCOM_USB_PHY_HS_PHY_CTRL2,
>   				    USB2_SUSPEND_N_SEL, 0);
>   
> +	snps_eusb2_hsphy_write_mask(phy->base, QCOM_USB_PHY_CFG0,
> +				    CMN_CTRL_OVERRIDE_EN, 0);
> +
>   	return 0;
>   }
>   
> 

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>