Convert latch function to readl pool macro to tidy things up.
Signed-off-by: Ansuel Smith <ansuelsmth@xxxxxxxxx>
---
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 6788e0e8272a..ab2d1431546d 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;
@@ -156,19 +159,9 @@ 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);
}
/**
--
2.33.1
