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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>
This commit is contained in:
Ansuel Smith 2022-01-17 01:26:41 +01:00 committed by Vinod Koul
parent 260f99591c
commit dc9d167737
1 changed files with 5 additions and 12 deletions
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17
drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c
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@ -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;
u32 val;
while (true) {
if (!readl(addr))
break;
if (--retry == 0)
return -ETIMEDOUT;
usleep_range(10, 20);
}
return 0;
return readl_poll_timeout(addr, val, !val, LATCH_SLEEP, LATCH_TIMEOUT);
}
/**