Skip to content

Commit

Permalink
phy: freescale: imx8m-pcie: Fix the wrong order of phy_init() and phy…
Browse files Browse the repository at this point in the history
…_power_on()

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.

Link: https://lore.kernel.org/r/1662344583-18874-1-git-send-email-hongxing.zhu@nxp.com
Fixes: 1aa97b0 ("phy: freescale: pcie: Initialize the imx8 pcie standalone phy driver")
Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
  • Loading branch information
Richard Zhu authored and Lorenzo Pieralisi committed Oct 3, 2022
1 parent 3db1e53 commit cbcf872
Show file tree
Hide file tree
Showing 2 changed files with 7 additions and 7 deletions.
6 changes: 3 additions & 3 deletions drivers/pci/controller/dwc/pci-imx6.c
Original file line number Diff line number Diff line change
Expand Up @@ -945,7 +945,7 @@ 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;
Expand All @@ -959,7 +959,7 @@ 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;
Expand All @@ -971,7 +971,7 @@ 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:
Expand Down
8 changes: 4 additions & 4 deletions drivers/phy/freescale/phy-fsl-imx8m-pcie.c
Original file line number Diff line number Diff line change
Expand Up @@ -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;
Expand Down Expand Up @@ -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);

Expand All @@ -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,
};

Expand Down

0 comments on commit cbcf872

Please sign in to comment.