linux-kernel - Re: [PATCH] pinctrl: qcom: sc8280xp: Rectify UFS reset pins

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Message-ID: <20221103185300.qlmp7syopca5qmgx@halaney-x13s>
Date:   Thu, 3 Nov 2022 13:53:00 -0500
From:   Andrew Halaney <ahalaney@...hat.com>
To:     Bjorn Andersson <quic_bjorande@...cinc.com>
Cc:     Bjorn Andersson <andersson@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Johan Hovold <johan@...nel.org>, linux-arm-msm@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] pinctrl: qcom: sc8280xp: Rectify UFS reset pins

On Thu, Nov 03, 2022 at 11:10:51AM -0700, Bjorn Andersson wrote:
> From: Anjana Hari <quic_ahari@...cinc.com>
> 
> UFS reset pin offsets are wrongly configured for SC8280XP,
> correcting the same for both UFS instances here.
> 
> Signed-off-by: Anjana Hari <quic_ahari@...cinc.com>
> Signed-off-by: Bjorn Andersson <quic_bjorande@...cinc.com>

Reviewed-by: Andrew Halaney <ahalaney@...hat.com>
Tested-by: Andrew Halaney <ahalaney@...hat.com> # QDrive3

Functionally I saw no difference using ufs_mem_hc that I can notice.

>From what I see in the downstream source the prior diff looks proper,
but I found a hardware document that says after diff is proper,
hence the R-B. I'll trust the hardware doc.

Thanks,
Andrew

> ---
>  drivers/pinctrl/qcom/pinctrl-sc8280xp.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/pinctrl/qcom/pinctrl-sc8280xp.c b/drivers/pinctrl/qcom/pinctrl-sc8280xp.c
> index aa2075390f3e..e96c00686a25 100644
> --- a/drivers/pinctrl/qcom/pinctrl-sc8280xp.c
> +++ b/drivers/pinctrl/qcom/pinctrl-sc8280xp.c
> @@ -1873,8 +1873,8 @@ static const struct msm_pingroup sc8280xp_groups[] = {
>  	[225] = PINGROUP(225, hs3_mi2s, phase_flag, _, _, _, _, egpio),
>  	[226] = PINGROUP(226, hs3_mi2s, phase_flag, _, _, _, _, egpio),
>  	[227] = PINGROUP(227, hs3_mi2s, phase_flag, _, _, _, _, egpio),
> -	[228] = UFS_RESET(ufs_reset, 0xf1004),
> -	[229] = UFS_RESET(ufs1_reset, 0xf3004),
> +	[228] = UFS_RESET(ufs_reset, 0xf1000),
> +	[229] = UFS_RESET(ufs1_reset, 0xf3000),
>  	[230] = SDC_QDSD_PINGROUP(sdc2_clk, 0xe8000, 14, 6),
>  	[231] = SDC_QDSD_PINGROUP(sdc2_cmd, 0xe8000, 11, 3),
>  	[232] = SDC_QDSD_PINGROUP(sdc2_data, 0xe8000, 9, 0),
> -- 
> 2.17.1
>