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[05/18] phy: qcom-qmp-ufs: clean up power-down handling

Message ID 20220928231014.455201-6-dmitry.baryshkov@linaro.org
State New
Headers show
Series phy: qcom-qmp: rework register layout tables | expand

Commit Message

Dmitry Baryshkov Sept. 28, 2022, 11:10 p.m. UTC 
From: Johan Hovold <johan+linaro@kernel.org>

Always define the POWER_DOWN_CONTROL register instead of falling back to
the v2 (and v4) offset during power on and power off.

Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---
 drivers/phy/qualcomm/phy-qcom-qmp-ufs.c | 22 ++++++++--------------
 1 file changed, 8 insertions(+), 14 deletions(-)
diff mbox series

Patch

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
index c08d34ad1313..738ec1e49ec6 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
@@ -89,22 +89,26 @@  enum qphy_reg_layout {
 static const unsigned int msm8996_ufsphy_regs_layout[QPHY_LAYOUT_SIZE] = {
 	[QPHY_START_CTRL]		= 0x00,
 	[QPHY_PCS_READY_STATUS]		= 0x168,
+	[QPHY_PCS_POWER_DOWN_CONTROL]	= 0x04,
 };
 
 static const unsigned int sdm845_ufsphy_regs_layout[QPHY_LAYOUT_SIZE] = {
 	[QPHY_START_CTRL]		= 0x00,
 	[QPHY_PCS_READY_STATUS]		= 0x160,
+	[QPHY_PCS_POWER_DOWN_CONTROL]	= 0x04,
 };
 
 static const unsigned int sm6115_ufsphy_regs_layout[QPHY_LAYOUT_SIZE] = {
 	[QPHY_START_CTRL]		= 0x00,
 	[QPHY_PCS_READY_STATUS]		= 0x168,
+	[QPHY_PCS_POWER_DOWN_CONTROL]	= 0x04,
 };
 
 static const unsigned int sm8150_ufsphy_regs_layout[QPHY_LAYOUT_SIZE] = {
 	[QPHY_START_CTRL]		= QPHY_V4_PCS_UFS_PHY_START,
 	[QPHY_PCS_READY_STATUS]		= QPHY_V4_PCS_UFS_READY_STATUS,
 	[QPHY_SW_RESET]			= QPHY_V4_PCS_UFS_SW_RESET,
+	[QPHY_PCS_POWER_DOWN_CONTROL]	= QPHY_V4_PCS_UFS_POWER_DOWN_CONTROL,
 };
 
 static const struct qmp_phy_init_tbl msm8996_ufs_serdes_tbl[] = {
@@ -856,13 +860,8 @@  static int qmp_ufs_com_init(struct qmp_phy *qphy)
 	if (ret)
 		goto err_disable_regulators;
 
-	if (cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL])
-		qphy_setbits(pcs,
-			     cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL],
-			     cfg->pwrdn_ctrl);
-	else
-		qphy_setbits(pcs, QPHY_V2_PCS_POWER_DOWN_CONTROL,
-			     cfg->pwrdn_ctrl);
+	qphy_setbits(pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL],
+			cfg->pwrdn_ctrl);
 
 	return 0;
 
@@ -996,13 +995,8 @@  static int qmp_ufs_power_off(struct phy *phy)
 	qphy_clrbits(qphy->pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl);
 
 	/* Put PHY into POWER DOWN state: active low */
-	if (cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL]) {
-		qphy_clrbits(qphy->pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL],
-			     cfg->pwrdn_ctrl);
-	} else {
-		qphy_clrbits(qphy->pcs, QPHY_V2_PCS_POWER_DOWN_CONTROL,
-				cfg->pwrdn_ctrl);
-	}
+	qphy_clrbits(qphy->pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL],
+			cfg->pwrdn_ctrl);
 
 	return 0;
 }