linux-kernel - [PATCH 07/11] phy: qcom-qmp-pcie-msm8996: drop unused pcs

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Date:   Wed, 14 Sep 2022 18:25:41 +0200
From:   Johan Hovold <johan+linaro@...nel.org>
To:     Vinod Koul <vkoul@...nel.org>
Cc:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Johan Hovold <johan+linaro@...nel.org>
Subject: [PATCH 07/11] phy: qcom-qmp-pcie-msm8996: drop unused pcs_misc handling

The MSM8996 QMP PHY driver does not use the PCS_MISC IO region (and
neither do the DT binding specify it) so remove the corresponding code
from the driver.

Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
---
 drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c | 14 --------------
 1 file changed, 14 deletions(-)

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c
index 6664d84bb599..245f6dc1710e 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c
@@ -202,8 +202,6 @@ struct qmp_phy_cfg {
 	int rx_tbl_num;
 	const struct qmp_phy_init_tbl *pcs_tbl;
 	int pcs_tbl_num;
-	const struct qmp_phy_init_tbl *pcs_misc_tbl;
-	int pcs_misc_tbl_num;
 
 	/* clock ids to be requested */
 	const char * const *clk_list;
@@ -240,7 +238,6 @@ struct qmp_phy_cfg {
  * @tx: iomapped memory space for lane's tx
  * @rx: iomapped memory space for lane's rx
  * @pcs: iomapped memory space for lane's pcs
- * @pcs_misc: iomapped memory space for lane's pcs_misc
  * @pipe_clk: pipe clock
  * @index: lane index
  * @qmp: QMP phy to which this lane belongs
@@ -254,7 +251,6 @@ struct qmp_phy {
 	void __iomem *tx;
 	void __iomem *rx;
 	void __iomem *pcs;
-	void __iomem *pcs_misc;
 	struct clk *pipe_clk;
 	unsigned int index;
 	struct qcom_qmp *qmp;
@@ -523,7 +519,6 @@ static int qmp_pcie_msm8996_power_on(struct phy *phy)
 	void __iomem *tx = qphy->tx;
 	void __iomem *rx = qphy->rx;
 	void __iomem *pcs = qphy->pcs;
-	void __iomem *pcs_misc = qphy->pcs_misc;
 	void __iomem *status;
 	unsigned int mask, val, ready;
 	int ret;
@@ -552,9 +547,6 @@ static int qmp_pcie_msm8996_power_on(struct phy *phy)
 
 	qmp_pcie_msm8996_configure(pcs, cfg->regs, cfg->pcs_tbl, cfg->pcs_tbl_num);
 
-	qmp_pcie_msm8996_configure(pcs_misc, cfg->regs, cfg->pcs_misc_tbl,
-			       cfg->pcs_misc_tbl_num);
-
 	/*
 	 * Pull out PHY from POWER DOWN state.
 	 * This is active low enable signal to power-down PHY.
@@ -793,8 +785,6 @@ static int qmp_pcie_msm8996_create(struct device *dev, struct device_node *np, i
 	/*
 	 * Get memory resources for each phy lane:
 	 * Resources are indexed as: tx -> 0; rx -> 1; pcs -> 2.
-	 * For dual lane PHYs: tx2 -> 3, rx2 -> 4, pcs_misc (optional) -> 5
-	 * For single lane PHYs: pcs_misc (optional) -> 3.
 	 */
 	qphy->tx = devm_of_iomap(dev, np, 0, NULL);
 	if (IS_ERR(qphy->tx))
@@ -808,10 +798,6 @@ static int qmp_pcie_msm8996_create(struct device *dev, struct device_node *np, i
 	if (IS_ERR(qphy->pcs))
 		return PTR_ERR(qphy->pcs);
 
-	qphy->pcs_misc = devm_of_iomap(dev, np, 3, NULL);
-	if (IS_ERR(qphy->pcs_misc))
-		dev_vdbg(dev, "PHY pcs_misc-reg not used\n");
-
 	qphy->pipe_clk = devm_get_clk_from_child(dev, np, NULL);
 	if (IS_ERR(qphy->pipe_clk)) {
 		return dev_err_probe(dev, PTR_ERR(qphy->pipe_clk),
-- 
2.35.1