diff options
Diffstat (limited to 'drivers/ata/ahci_imx.c')
| -rw-r--r-- | drivers/ata/ahci_imx.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/ata/ahci_imx.c b/drivers/ata/ahci_imx.c index 95f2b28ef35c..16e19affc514 100644 --- a/drivers/ata/ahci_imx.c +++ b/drivers/ata/ahci_imx.c @@ -155,6 +155,7 @@ struct imx_ahci_priv { struct clk *per_clk4; struct clk *per_clk5; void __iomem *phy_base; + struct clk *sata_ext; int clkreq_gpio; struct regmap *gpr; bool no_device; @@ -843,10 +844,14 @@ static int imx_sata_enable(struct ahci_host_priv *hpriv) if (ret) return ret; - ret = clk_prepare_enable(imxpriv->sata_ref_clk); + ret = clk_prepare_enable(imxpriv->sata_ext); if (ret < 0) goto disable_regulator; + ret = clk_prepare_enable(imxpriv->sata_ref_clk); + if (ret < 0) + goto disable_ext; + if (imxpriv->type == AHCI_IMX6Q || imxpriv->type == AHCI_IMX6QP) { /* * set PHY Paremeters, two steps to configure the GPR13, @@ -901,6 +906,8 @@ static int imx_sata_enable(struct ahci_host_priv *hpriv) disable_clk: clk_disable_unprepare(imxpriv->sata_ref_clk); +disable_ext: + clk_disable_unprepare(imxpriv->sata_ext); disable_regulator: ahci_platform_disable_regulators(hpriv); @@ -929,6 +936,8 @@ static void imx_sata_disable(struct ahci_host_priv *hpriv) } clk_disable_unprepare(imxpriv->sata_ref_clk); + clk_disable_unprepare(imxpriv->sata_ext); + ahci_platform_disable_regulators(hpriv); } @@ -1409,6 +1418,12 @@ static int imx_ahci_probe(struct platform_device *pdev) return PTR_ERR(imxpriv->sata_clk); } + imxpriv->sata_ext = devm_clk_get(dev, "sata_ext"); + if (IS_ERR(imxpriv->sata_ext)) { + dev_err(dev, "can't get sata_ext clock.\n"); + return PTR_ERR(imxpriv->sata_ext); + } + imxpriv->sata_ref_clk = devm_clk_get(dev, "sata_ref"); if (IS_ERR(imxpriv->sata_ref_clk)) { dev_err(dev, "can't get sata_ref clock.\n"); |