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* [PATCH v3] phy: freescale: imx8m-pcie: Fix the wrong order of phy_init() and phy_power_on()
@ 2022-09-05  2:23 Richard Zhu
  2022-09-29  8:57 ` Lorenzo Pieralisi
  2022-09-29 10:28 ` Lorenzo Pieralisi
  0 siblings, 2 replies; 3+ messages in thread
From: Richard Zhu @ 2022-09-05  2:23 UTC (permalink / raw)
  To: a.fatoum, l.stach, bhelgaas, lorenzo.pieralisi, vkoul,
	marcel.ziswiler, kishon
  Cc: hongxing.zhu, linux-phy, linux-pci, linux-arm-kernel,
	linux-kernel, kernel, linux-imx

Refer to phy_core driver, phy_init() must be called before phy_power_on().
Fix the wrong order of phy_init() and phy_power_on() here.

Fixes: 1aa97b002258 ("phy: freescale: pcie: Initialize the imx8 pcie standalone phy driver")
Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Acked-by: Vinod Koul <vkoul@kernel.org>
---
 drivers/pci/controller/dwc/pci-imx6.c      | 6 +++---
 drivers/phy/freescale/phy-fsl-imx8m-pcie.c | 8 ++++----
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
index 6e5debdbc55b..b5f0de455a7b 100644
--- a/drivers/pci/controller/dwc/pci-imx6.c
+++ b/drivers/pci/controller/dwc/pci-imx6.c
@@ -935,7 +935,7 @@ static int imx6_pcie_host_init(struct dw_pcie_rp *pp)
 	}
 
 	if (imx6_pcie->phy) {
-		ret = phy_power_on(imx6_pcie->phy);
+		ret = phy_init(imx6_pcie->phy);
 		if (ret) {
 			dev_err(dev, "pcie PHY power up failed\n");
 			goto err_clk_disable;
@@ -949,7 +949,7 @@ static int imx6_pcie_host_init(struct dw_pcie_rp *pp)
 	}
 
 	if (imx6_pcie->phy) {
-		ret = phy_init(imx6_pcie->phy);
+		ret = phy_power_on(imx6_pcie->phy);
 		if (ret) {
 			dev_err(dev, "waiting for PHY ready timeout!\n");
 			goto err_phy_off;
@@ -961,7 +961,7 @@ static int imx6_pcie_host_init(struct dw_pcie_rp *pp)
 
 err_phy_off:
 	if (imx6_pcie->phy)
-		phy_power_off(imx6_pcie->phy);
+		phy_exit(imx6_pcie->phy);
 err_clk_disable:
 	imx6_pcie_clk_disable(imx6_pcie);
 err_reg_disable:
diff --git a/drivers/phy/freescale/phy-fsl-imx8m-pcie.c b/drivers/phy/freescale/phy-fsl-imx8m-pcie.c
index ad7d2edfc414..c93286483b42 100644
--- a/drivers/phy/freescale/phy-fsl-imx8m-pcie.c
+++ b/drivers/phy/freescale/phy-fsl-imx8m-pcie.c
@@ -59,7 +59,7 @@ struct imx8_pcie_phy {
 	bool			clkreq_unused;
 };
 
-static int imx8_pcie_phy_init(struct phy *phy)
+static int imx8_pcie_phy_power_on(struct phy *phy)
 {
 	int ret;
 	u32 val, pad_mode;
@@ -137,14 +137,14 @@ static int imx8_pcie_phy_init(struct phy *phy)
 	return ret;
 }
 
-static int imx8_pcie_phy_power_on(struct phy *phy)
+static int imx8_pcie_phy_init(struct phy *phy)
 {
 	struct imx8_pcie_phy *imx8_phy = phy_get_drvdata(phy);
 
 	return clk_prepare_enable(imx8_phy->clk);
 }
 
-static int imx8_pcie_phy_power_off(struct phy *phy)
+static int imx8_pcie_phy_exit(struct phy *phy)
 {
 	struct imx8_pcie_phy *imx8_phy = phy_get_drvdata(phy);
 
@@ -155,8 +155,8 @@ static int imx8_pcie_phy_power_off(struct phy *phy)
 
 static const struct phy_ops imx8_pcie_phy_ops = {
 	.init		= imx8_pcie_phy_init,
+	.exit		= imx8_pcie_phy_exit,
 	.power_on	= imx8_pcie_phy_power_on,
-	.power_off	= imx8_pcie_phy_power_off,
 	.owner		= THIS_MODULE,
 };
 
-- 
2.25.1


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2022-09-05  2:23 [PATCH v3] phy: freescale: imx8m-pcie: Fix the wrong order of phy_init() and phy_power_on() Richard Zhu
2022-09-29  8:57 ` Lorenzo Pieralisi
2022-09-29 10:28 ` Lorenzo Pieralisi

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