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| author | Ansuel Smith <ansuelsmth@gmail.com> | 2022-01-17 01:26:41 +0100 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2022-01-24 09:58:12 +0530 |
| commit | dc9d167737a5814c8dcbdc33a298dc4b9407bba5 (patch) | |
| tree | e3addebe8b321606be001bf5f8bab0d8d0f24472 /drivers/phy | |
| parent | 260f99591c8c4c27e9e023287151031df97bd6d5 (diff) | |
| download | linux-stable-dc9d167737a5814c8dcbdc33a298dc4b9407bba5.tar.gz linux-stable-dc9d167737a5814c8dcbdc33a298dc4b9407bba5.tar.bz2 linux-stable-dc9d167737a5814c8dcbdc33a298dc4b9407bba5.zip | |
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 <ansuelsmth@gmail.com>
Link: https://lore.kernel.org/r/20220117002641.26773-2-ansuelsmth@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/phy')
| -rw-r--r-- | drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c | 17 |
1 files 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); } /** |