diff options
Diffstat (limited to 'drivers/phy/qualcomm/phy-qcom-apq8064-sata.c')
| -rw-r--r-- | drivers/phy/qualcomm/phy-qcom-apq8064-sata.c | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/drivers/phy/qualcomm/phy-qcom-apq8064-sata.c b/drivers/phy/qualcomm/phy-qcom-apq8064-sata.c index febe0aef68d4..ce91ae7f8dbd 100644 --- a/drivers/phy/qualcomm/phy-qcom-apq8064-sata.c +++ b/drivers/phy/qualcomm/phy-qcom-apq8064-sata.c @@ -4,6 +4,7 @@ */ #include <linux/io.h> +#include <linux/iopoll.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/of.h> @@ -72,18 +73,12 @@ struct qcom_apq8064_sata_phy { }; /* Helper function to do poll and timeout */ -static int read_poll_timeout(void __iomem *addr, u32 mask) +static int poll_timeout(void __iomem *addr, u32 mask) { - unsigned long timeout = jiffies + msecs_to_jiffies(TIMEOUT_MS); + u32 val; - do { - if (readl_relaxed(addr) & mask) - return 0; - - usleep_range(DELAY_INTERVAL_US, DELAY_INTERVAL_US + 50); - } while (!time_after(jiffies, timeout)); - - return (readl_relaxed(addr) & mask) ? 0 : -ETIMEDOUT; + return readl_relaxed_poll_timeout(addr, val, (val & mask), + DELAY_INTERVAL_US, TIMEOUT_MS * 1000); } static int qcom_apq8064_sata_phy_init(struct phy *generic_phy) @@ -137,21 +132,21 @@ static int qcom_apq8064_sata_phy_init(struct phy *generic_phy) writel_relaxed(0x05, base + UNIPHY_PLL_LKDET_CFG2); /* PLL Lock wait */ - ret = read_poll_timeout(base + UNIPHY_PLL_STATUS, UNIPHY_PLL_LOCK); + ret = poll_timeout(base + UNIPHY_PLL_STATUS, UNIPHY_PLL_LOCK); if (ret) { dev_err(phy->dev, "poll timeout UNIPHY_PLL_STATUS\n"); return ret; } /* TX Calibration */ - ret = read_poll_timeout(base + SATA_PHY_TX_IMCAL_STAT, SATA_PHY_TX_CAL); + ret = poll_timeout(base + SATA_PHY_TX_IMCAL_STAT, SATA_PHY_TX_CAL); if (ret) { dev_err(phy->dev, "poll timeout SATA_PHY_TX_IMCAL_STAT\n"); return ret; } /* RX Calibration */ - ret = read_poll_timeout(base + SATA_PHY_RX_IMCAL_STAT, SATA_PHY_RX_CAL); + ret = poll_timeout(base + SATA_PHY_RX_IMCAL_STAT, SATA_PHY_RX_CAL); if (ret) { dev_err(phy->dev, "poll timeout SATA_PHY_RX_IMCAL_STAT\n"); return ret; |