linux-kernel - Re: [PATCH v3 4/4] phy: qcom-qmp: Add SW reset register

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Message-ID: <a963192f-b3e1-0254-d380-79604f10e09f@codeaurora.org>
Date:   Tue, 24 Dec 2019 09:10:35 +0530
From:   Manu Gautam <mgautam@...eaurora.org>
To:     Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...com>
Cc:     linux-arm-msm@...r.kernel.org,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Andy Gross <agross@...nel.org>, Can Guo <cang@...eaurora.org>,
        Jeffrey Hugo <jeffrey.l.hugo@...il.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 4/4] phy: qcom-qmp: Add SW reset register


On 12/23/2019 8:00 PM, Vinod Koul wrote:
> For V4 QMP UFS Phy, we need to assert reset bits, configure the phy and
> then deassert it, so add the QPHY_SW_RESET register which does this.
>
> Signed-off-by: Vinod Koul <vkoul@...nel.org>
> ---
>  drivers/phy/qualcomm/phy-qcom-qmp.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
> index ce5e18f188c3..7db2a94f7a99 100644
> --- a/drivers/phy/qualcomm/phy-qcom-qmp.c
> +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
> @@ -168,6 +168,7 @@ static const unsigned int sdm845_ufsphy_regs_layout[] = {
>  static const unsigned int sm8150_ufsphy_regs_layout[] = {
>  	[QPHY_START_CTRL]		= QPHY_V4_PHY_START,
>  	[QPHY_PCS_READY_STATUS]		= QPHY_V4_PCS_READY_STATUS,
> +	[QPHY_SW_RESET]			= QPHY_V4_SW_RESET,
>  };
>  
>  static const struct qmp_phy_init_tbl msm8996_pcie_serdes_tbl[] = {

Reviewed-by: Manu Gautam <mgautam@...eaurora.org>


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