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[06/20] phy: qcom-qmp-pcie-msm8996: clean up ready and status polling

Message ID 20221012085002.24099-6-johan+linaro@kernel.org
State Accepted
Commit 1a3ae97c2490b2217810a17ab4f47552e9f6f70f
Headers show
Series phy: qcom-qmp: further prep fixes and cleanups (set 3) | expand

Commit Message

Johan Hovold Oct. 12, 2022, 8:49 a.m. UTC 
Clean up the PHY ready and status polling by dropping the configuration
masks which are no longer needed since the QMP driver split.

Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
---
 .../phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c  | 19 ++++---------------
 1 file changed, 4 insertions(+), 15 deletions(-)

Comments

Dmitry Baryshkov Oct. 12, 2022, 8:47 p.m. UTC | #1 
On 12/10/2022 11:49, Johan Hovold wrote:
> Clean up the PHY ready and status polling by dropping the configuration
> masks which are no longer needed since the QMP driver split.
> 
> Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
> ---
>   .../phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c  | 19 ++++---------------
>   1 file changed, 4 insertions(+), 15 deletions(-)
> 
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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Patch

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c
index 899be7bd4d92..b9260c8746bf 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c
@@ -35,7 +35,6 @@ 
 #define PLL_READY_GATE_EN			BIT(3)
 /* QPHY_PCS_STATUS bit */
 #define PHYSTATUS				BIT(6)
-#define PHYSTATUS_4_20				BIT(7)
 /* QPHY_COM_PCS_READY_STATUS bit */
 #define PCS_READY				BIT(0)
 
@@ -200,9 +199,6 @@  struct qmp_phy_cfg {
 
 	unsigned int start_ctrl;
 	unsigned int pwrdn_ctrl;
-	unsigned int mask_com_pcs_ready;
-	/* bit offset of PHYSTATUS in QPHY_PCS_STATUS register */
-	unsigned int phy_status;
 };
 
 /**
@@ -318,8 +314,6 @@  static const struct qmp_phy_cfg msm8996_pciephy_cfg = {
 
 	.start_ctrl		= PCS_START | PLL_READY_GATE_EN,
 	.pwrdn_ctrl		= SW_PWRDN | REFCLK_DRV_DSBL,
-	.mask_com_pcs_ready	= PCS_READY,
-	.phy_status		= PHYSTATUS,
 };
 
 static void qmp_pcie_msm8996_configure_lane(void __iomem *base,
@@ -356,7 +350,7 @@  static int qmp_pcie_msm8996_serdes_init(struct qmp_phy *qphy)
 	const struct qmp_phy_init_tbl *serdes_tbl = cfg->serdes_tbl;
 	int serdes_tbl_num = cfg->serdes_tbl_num;
 	void __iomem *status;
-	unsigned int mask, val;
+	unsigned int val;
 	int ret;
 
 	qmp_pcie_msm8996_configure(serdes, serdes_tbl, serdes_tbl_num);
@@ -366,9 +360,7 @@  static int qmp_pcie_msm8996_serdes_init(struct qmp_phy *qphy)
 		     SERDES_START | PCS_START);
 
 	status = serdes + cfg->regs[QPHY_COM_PCS_READY_STATUS];
-	mask = cfg->mask_com_pcs_ready;
-
-	ret = readl_poll_timeout(status, val, (val & mask), 10,
+	ret = readl_poll_timeout(status, val, (val & PCS_READY), 10,
 				 PHY_INIT_COMPLETE_TIMEOUT);
 	if (ret) {
 		dev_err(qmp->dev,
@@ -484,7 +476,7 @@  static int qmp_pcie_msm8996_power_on(struct phy *phy)
 	void __iomem *rx = qphy->rx;
 	void __iomem *pcs = qphy->pcs;
 	void __iomem *status;
-	unsigned int mask, val, ready;
+	unsigned int val;
 	int ret;
 
 	qmp_pcie_msm8996_serdes_init(qphy);
@@ -522,10 +514,7 @@  static int qmp_pcie_msm8996_power_on(struct phy *phy)
 	qphy_setbits(pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl);
 
 	status = pcs + cfg->regs[QPHY_PCS_STATUS];
-	mask = cfg->phy_status;
-	ready = 0;
-
-	ret = readl_poll_timeout(status, val, (val & mask) == ready, 10,
+	ret = readl_poll_timeout(status, val, !(val & PHYSTATUS), 10,
 				 PHY_INIT_COMPLETE_TIMEOUT);
 	if (ret) {
 		dev_err(qmp->dev, "phy initialization timed-out\n");