From dc9d167737a5814c8dcbdc33a298dc4b9407bba5 Mon Sep 17 00:00:00 2001 From: Ansuel Smith Date: Mon, 17 Jan 2022 01:26:41 +0100 Subject: drivers: phy: qcom: ipq806x-usb: conver latch function to pool macro Convert latch function to readl pool macro to tidy things up. Signed-off-by: Ansuel Smith Link: https://lore.kernel.org/r/20220117002641.26773-2-ansuelsmth@gmail.com Signed-off-by: Vinod Koul --- drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c | 17 +++++------------ 1 file changed, 5 insertions(+), 12 deletions(-) diff --git a/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c b/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c index 2aca0e28ff59..7bacc527fbad 100644 --- a/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c +++ b/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c @@ -112,6 +112,9 @@ #define SS_CR_READ_REG BIT(0) #define SS_CR_WRITE_REG BIT(0) +#define LATCH_SLEEP 40 +#define LATCH_TIMEOUT 100 + struct usb_phy { void __iomem *base; struct device *dev; @@ -157,19 +160,9 @@ static inline void usb_phy_write_readback(struct usb_phy *phy_dwc3, static int wait_for_latch(void __iomem *addr) { - u32 retry = 10; - - while (true) { - if (!readl(addr)) - break; - - if (--retry == 0) - return -ETIMEDOUT; - - usleep_range(10, 20); - } + u32 val; - return 0; + return readl_poll_timeout(addr, val, !val, LATCH_SLEEP, LATCH_TIMEOUT); } /** -- cgit v1.2.3