diff mbox series

[11/13] phy: qcom-qmp-ufs: clean up power-down handling

Message ID 20220928152822.30687-12-johan+linaro@kernel.org
State Superseded
Headers show
Series phy: qcom-qmp: more fixes and cleanups | expand

Commit Message

Johan Hovold Sept. 28, 2022, 3:28 p.m. UTC 
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>
---
 drivers/phy/qualcomm/phy-qcom-qmp-ufs.c | 22 ++++++++--------------
 1 file changed, 8 insertions(+), 14 deletions(-)

Comments

Dmitry Baryshkov Sept. 28, 2022, 7:53 p.m. UTC | #1 
On 28/09/2022 18:28, Johan Hovold wrote:
> 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>
> ---
>   drivers/phy/qualcomm/phy-qcom-qmp-ufs.c | 22 ++++++++--------------
>   1 file changed, 8 insertions(+), 14 deletions(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
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 d7b35b715b95..c8d86aecfe74 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;
 }