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From: Neil Armstrong <neil.armstrong@linaro.org>
To: Johan Hovold <johan+linaro@kernel.org>, Vinod Koul <vkoul@kernel.org>
Cc: Andy Gross <agross@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konrad.dybcio@somainline.org>,
	Kishon Vijay Abraham I <kishon@ti.com>,
	Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
	linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 15/17] phy: qcom-qmp-ufs: consolidate lane config
Date: Tue, 20 Sep 2022 15:52:15 +0200	[thread overview]
Message-ID: <603b436d-e6d7-da4c-bea9-7211b82654dd@linaro.org> (raw)
In-Reply-To: <20220920073826.20811-16-johan+linaro@kernel.org>

On 20/09/2022 09:38, Johan Hovold wrote:
> For legacy reasons, there are two configuration parameters that describe
> the number of lanes a PHY has.
> 
> Replace them both with a new field simply named "lanes".
> 
> Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
> ---
>   drivers/phy/qualcomm/phy-qcom-qmp-ufs.c | 31 ++++++++-----------------
>   1 file changed, 10 insertions(+), 21 deletions(-)
> 
> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
> index ca9a42250556..d21b977850b3 100644
> --- a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
> +++ b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
> @@ -533,8 +533,7 @@ static const struct qmp_phy_init_tbl sm8350_ufsphy_pcs_tbl[] = {
>   
>   /* struct qmp_phy_cfg - per-PHY initialization config */
>   struct qmp_phy_cfg {
> -	/* number of lanes provided by phy */
> -	int nlanes;
> +	int lanes;
>   
>   	/* Init sequence for PHY blocks - serdes, tx, rx, pcs */
>   	const struct qmp_phy_init_tbl *serdes_tbl;
> @@ -561,9 +560,6 @@ struct qmp_phy_cfg {
>   	/* bit offset of PHYSTATUS in QPHY_PCS_STATUS register */
>   	unsigned int phy_status;
>   
> -	/* true, if PHY has secondary tx/rx lanes to be configured */
> -	bool is_dual_lane_phy;
> -
>   	/* true, if PCS block has no separate SW_RESET register */
>   	bool no_pcs_sw_reset;
>   };
> @@ -662,7 +658,7 @@ static const char * const qmp_phy_vreg_l[] = {
>   };
>   
>   static const struct qmp_phy_cfg msm8996_ufs_cfg = {
> -	.nlanes			= 1,
> +	.lanes			= 1,
>   
>   	.serdes_tbl		= msm8996_ufs_serdes_tbl,
>   	.serdes_tbl_num		= ARRAY_SIZE(msm8996_ufs_serdes_tbl),
> @@ -687,7 +683,7 @@ static const struct qmp_phy_cfg msm8996_ufs_cfg = {
>   };
>   
>   static const struct qmp_phy_cfg sdm845_ufsphy_cfg = {
> -	.nlanes			= 2,
> +	.lanes			= 2,
>   
>   	.serdes_tbl		= sdm845_ufsphy_serdes_tbl,
>   	.serdes_tbl_num		= ARRAY_SIZE(sdm845_ufsphy_serdes_tbl),
> @@ -707,12 +703,11 @@ static const struct qmp_phy_cfg sdm845_ufsphy_cfg = {
>   	.pwrdn_ctrl		= SW_PWRDN,
>   	.phy_status		= PHYSTATUS,
>   
> -	.is_dual_lane_phy	= true,
>   	.no_pcs_sw_reset	= true,
>   };
>   
>   static const struct qmp_phy_cfg sm6115_ufsphy_cfg = {
> -	.nlanes			= 1,
> +	.lanes			= 1,
>   
>   	.serdes_tbl		= sm6115_ufsphy_serdes_tbl,
>   	.serdes_tbl_num		= ARRAY_SIZE(sm6115_ufsphy_serdes_tbl),
> @@ -735,7 +730,7 @@ static const struct qmp_phy_cfg sm6115_ufsphy_cfg = {
>   };
>   
>   static const struct qmp_phy_cfg sm8150_ufsphy_cfg = {
> -	.nlanes			= 2,
> +	.lanes			= 2,
>   
>   	.serdes_tbl		= sm8150_ufsphy_serdes_tbl,
>   	.serdes_tbl_num		= ARRAY_SIZE(sm8150_ufsphy_serdes_tbl),
> @@ -754,12 +749,10 @@ static const struct qmp_phy_cfg sm8150_ufsphy_cfg = {
>   	.start_ctrl		= SERDES_START,
>   	.pwrdn_ctrl		= SW_PWRDN,
>   	.phy_status		= PHYSTATUS,
> -
> -	.is_dual_lane_phy	= true,
>   };
>   
>   static const struct qmp_phy_cfg sm8350_ufsphy_cfg = {
> -	.nlanes			= 2,
> +	.lanes			= 2,
>   
>   	.serdes_tbl		= sm8350_ufsphy_serdes_tbl,
>   	.serdes_tbl_num		= ARRAY_SIZE(sm8350_ufsphy_serdes_tbl),
> @@ -778,12 +771,10 @@ static const struct qmp_phy_cfg sm8350_ufsphy_cfg = {
>   	.start_ctrl		= SERDES_START,
>   	.pwrdn_ctrl		= SW_PWRDN,
>   	.phy_status		= PHYSTATUS,
> -
> -	.is_dual_lane_phy	= true,
>   };
>   
>   static const struct qmp_phy_cfg sm8450_ufsphy_cfg = {
> -	.nlanes			= 2,
> +	.lanes			= 2,
>   
>   	.serdes_tbl		= sm8350_ufsphy_serdes_tbl,
>   	.serdes_tbl_num		= ARRAY_SIZE(sm8350_ufsphy_serdes_tbl),
> @@ -802,8 +793,6 @@ static const struct qmp_phy_cfg sm8450_ufsphy_cfg = {
>   	.start_ctrl		= SERDES_START,
>   	.pwrdn_ctrl		= SW_PWRDN,
>   	.phy_status		= PHYSTATUS,
> -
> -	.is_dual_lane_phy	= true,
>   };
>   
>   static void qmp_ufs_configure_lane(void __iomem *base,
> @@ -956,14 +945,14 @@ static int qmp_ufs_power_on(struct phy *phy)
>   	/* Tx, Rx, and PCS configurations */
>   	qmp_ufs_configure_lane(tx, cfg->regs, cfg->tx_tbl, cfg->tx_tbl_num, 1);
>   
> -	if (cfg->is_dual_lane_phy) {
> +	if (cfg->lanes >= 2) {
>   		qmp_ufs_configure_lane(qphy->tx2, cfg->regs,
>   					cfg->tx_tbl, cfg->tx_tbl_num, 2);
>   	}
>   
>   	qmp_ufs_configure_lane(rx, cfg->regs, cfg->rx_tbl, cfg->rx_tbl_num, 1);
>   
> -	if (cfg->is_dual_lane_phy) {
> +	if (cfg->lanes >= 2) {
>   		qmp_ufs_configure_lane(qphy->rx2, cfg->regs,
>   					cfg->rx_tbl, cfg->rx_tbl_num, 2);
>   	}
> @@ -1122,7 +1111,7 @@ static int qmp_ufs_create(struct device *dev, struct device_node *np, int id,
>   	if (IS_ERR(qphy->pcs))
>   		return PTR_ERR(qphy->pcs);
>   
> -	if (cfg->is_dual_lane_phy) {
> +	if (cfg->lanes >= 2) {
>   		qphy->tx2 = devm_of_iomap(dev, np, 3, NULL);
>   		if (IS_ERR(qphy->tx2))
>   			return PTR_ERR(qphy->tx2);

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

  reply	other threads:[~2022-09-20 13:53 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-20  7:38 [PATCH 00/17] phy: qcom-qmp: config and misc clean ups Johan Hovold
2022-09-20  7:38 ` [PATCH 01/17] phy: qcom-qmp-pcie: drop unused type from config Johan Hovold
2022-09-20 13:50   ` Neil Armstrong
2022-09-22 14:30   ` Dmitry Baryshkov
2022-09-20  7:38 ` [PATCH 02/17] phy: qcom-qmp-pcie-msm8996: " Johan Hovold
2022-09-20 13:50   ` Neil Armstrong
2022-09-22 14:31   ` Dmitry Baryshkov
2022-09-20  7:38 ` [PATCH 03/17] phy: qcom-qmp-ufs: " Johan Hovold
2022-09-20 13:51   ` Neil Armstrong
2022-09-22 14:31   ` Dmitry Baryshkov
2022-09-20  7:38 ` [PATCH 04/17] phy: qcom-qmp-usb: " Johan Hovold
2022-09-20 13:51   ` Neil Armstrong
2022-09-22 14:33   ` Dmitry Baryshkov
2022-09-20  7:38 ` [PATCH 05/17] phy: qcom-qmp-pcie: drop init and exit wrappers Johan Hovold
2022-09-20 13:51   ` Neil Armstrong
2022-09-22 17:58   ` Dmitry Baryshkov
2022-09-20  7:38 ` [PATCH 06/17] phy: qcom-qmp-usb: " Johan Hovold
2022-09-20 13:51   ` Neil Armstrong
2022-09-22 17:58   ` Dmitry Baryshkov
2022-09-20  7:38 ` [PATCH 07/17] phy: qcom-qmp: drop unused forward declarations Johan Hovold
2022-09-20 13:51   ` Neil Armstrong
2022-09-22 14:31   ` Dmitry Baryshkov
2022-09-20  7:38 ` [PATCH 08/17] phy: qcom-qmp-pcie-msm8996: drop unused kernel doc Johan Hovold
2022-09-20 13:51   ` Neil Armstrong
2022-09-22 17:58   ` Dmitry Baryshkov
2022-09-20  7:38 ` [PATCH 09/17] phy: qcom-qmp-pcie: drop unused mode field Johan Hovold
2022-09-20 13:51   ` Neil Armstrong
2022-09-22 17:58   ` Dmitry Baryshkov
2022-09-20  7:38 ` [PATCH 10/17] phy: qcom-qmp-pcie: drop unused config field Johan Hovold
2022-09-20 13:51   ` Neil Armstrong
2022-09-22 17:59   ` Dmitry Baryshkov
2022-09-20  7:38 ` [PATCH 11/17] phy: qcom-qmp: drop unused index field Johan Hovold
2022-09-20 13:51   ` Neil Armstrong
2022-09-22 17:59   ` Dmitry Baryshkov
2022-09-20  7:38 ` [PATCH 12/17] phy: qcom-qmp-pcie: consolidate lane config Johan Hovold
2022-09-20 13:51   ` Neil Armstrong
2022-09-22 18:06   ` Dmitry Baryshkov
2022-09-20  7:38 ` [PATCH 13/17] phy: qcom-qmp-pcie-msm8996: rename nlanes config Johan Hovold
2022-09-20 13:52   ` Neil Armstrong
2022-09-22 18:01   ` Dmitry Baryshkov
2022-09-20  7:38 ` [PATCH 14/17] phy: qcom-qmp-combo: consolidate lane config Johan Hovold
2022-09-20 13:52   ` Neil Armstrong
2022-09-22 18:01   ` Dmitry Baryshkov
2022-09-20  7:38 ` [PATCH 15/17] phy: qcom-qmp-ufs: " Johan Hovold
2022-09-20 13:52   ` Neil Armstrong [this message]
2022-09-22 18:02   ` Dmitry Baryshkov
2022-09-20  7:38 ` [PATCH 16/17] phy: qcom-qmp-usb: " Johan Hovold
2022-09-20 13:52   ` Neil Armstrong
2022-09-22 18:02   ` Dmitry Baryshkov
2022-09-20  7:38 ` [PATCH 17/17] phy: qcom-qmp-combo: drop redundant DP config flag Johan Hovold
2022-09-20 13:52   ` Neil Armstrong
2022-09-20 14:08     ` Johan Hovold
2022-09-22 18:02   ` Dmitry Baryshkov
2022-09-23  6:14     ` Johan Hovold
2022-09-24  5:30 ` [PATCH 00/17] phy: qcom-qmp: config and misc clean ups Vinod Koul

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