linux-kernel - [PATCH v3 06/11] phy: qcom-qmp-pcie-msm8996: clean up power-down handling

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Date:   Mon, 17 Oct 2022 08:50:08 +0200
From:   Johan Hovold <johan+linaro@...nel.org>
To:     Vinod Koul <vkoul@...nel.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Johan Hovold <johan+linaro@...nel.org>
Subject: [PATCH v3 06/11] phy: qcom-qmp-pcie-msm8996: clean up power-down handling

This driver uses v2 registers only so drop the unnecessary
POWER_DOWN_CONTROL override.

Note that this register is already hard-coded when powering on the PHY.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
---
 drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c
index 707ec81c7a2a..5fdd85a1dc3e 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie-msm8996.c
@@ -91,7 +91,6 @@ enum qphy_reg_layout {
 	QPHY_SW_RESET,
 	QPHY_START_CTRL,
 	QPHY_PCS_STATUS,
-	QPHY_PCS_POWER_DOWN_CONTROL,
 	/* Keep last to ensure regs_layout arrays are properly initialized */
 	QPHY_LAYOUT_SIZE
 };
@@ -591,13 +590,8 @@ static int qmp_pcie_msm8996_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, QPHY_V2_PCS_POWER_DOWN_CONTROL,
+			cfg->pwrdn_ctrl);
 
 	return 0;
 }
-- 
2.37.3