[PATCH 02/18] phy: qcom-qmp-pcie: clean up power-down handling

[Dmitry Baryshkov]

From: Johan Hovold <johan+linaro at kernel.org>

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

Signed-off-by: Johan Hovold <johan+linaro at kernel.org>
[DB: also updated pciephy_regs_layout]
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
---
 drivers/phy/qualcomm/phy-qcom-qmp-pcie.c | 21 +++++++--------------
 1 file changed, 7 insertions(+), 14 deletions(-)

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
index 7710e4dee39c..015f17a11439 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
@@ -97,18 +97,21 @@ static const unsigned int pciephy_regs_layout[QPHY_LAYOUT_SIZE] = {
 	[QPHY_SW_RESET]			= 0x00,
 	[QPHY_START_CTRL]		= 0x08,
 	[QPHY_PCS_STATUS]		= 0x174,
+	[QPHY_PCS_POWER_DOWN_CONTROL]	= 0x04,
 };
 
 static const unsigned int sdm845_qmp_pciephy_regs_layout[QPHY_LAYOUT_SIZE] = {
 	[QPHY_SW_RESET]			= 0x00,
 	[QPHY_START_CTRL]		= 0x08,
 	[QPHY_PCS_STATUS]		= 0x174,
+	[QPHY_PCS_POWER_DOWN_CONTROL]	= 0x04,
 };
 
 static const unsigned int sdm845_qhp_pciephy_regs_layout[QPHY_LAYOUT_SIZE] = {
 	[QPHY_SW_RESET]			= 0x00,
 	[QPHY_START_CTRL]		= 0x08,
 	[QPHY_PCS_STATUS]		= 0x2ac,
+	[QPHY_PCS_POWER_DOWN_CONTROL]	= 0x04,
 };
 
 static const unsigned int sm8250_pcie_regs_layout[QPHY_LAYOUT_SIZE] = {
@@ -1885,13 +1888,8 @@ static int qmp_pcie_init(struct phy *phy)
 	if (ret)
 		goto err_assert_reset;
 
-	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;
 
@@ -2014,13 +2012,8 @@ static int qmp_pcie_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;
 }
-- 
2.35.1