linux-kernel - [PATCH v3 05/11] phy: qcom-qmp-pcie: move power-down update

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Date:   Mon, 17 Oct 2022 08:50:07 +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 05/11] phy: qcom-qmp-pcie: move power-down update

Move the power-down-control register update that powers on the PHY to
the power-on handler so that it matches the power-off handler.

Note that the power-on handler is currently always called directly
after init.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
---
 drivers/phy/qualcomm/phy-qcom-qmp-pcie.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
index 1105d439828c..b42c5e185228 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
@@ -1976,7 +1976,6 @@ static int qmp_pcie_init(struct phy *phy)
 	struct qmp_phy *qphy = phy_get_drvdata(phy);
 	struct qcom_qmp *qmp = qphy->qmp;
 	const struct qmp_phy_cfg *cfg = qphy->cfg;
-	void __iomem *pcs = qphy->pcs;
 	int ret;
 
 	/* turn on regulator supplies */
@@ -2002,9 +2001,6 @@ static int qmp_pcie_init(struct phy *phy)
 	if (ret)
 		goto err_assert_reset;
 
-	qphy_setbits(pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL],
-			cfg->pwrdn_ctrl);
-
 	return 0;
 
 err_assert_reset:
@@ -2041,6 +2037,9 @@ static int qmp_pcie_power_on(struct phy *phy)
 	unsigned int mask, val, ready;
 	int ret;
 
+	qphy_setbits(pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL],
+			cfg->pwrdn_ctrl);
+
 	if (qphy->mode == PHY_MODE_PCIE_RC)
 		mode_tables = cfg->tables_rc;
 	else
-- 
2.37.3