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drivers: phy: qcom: ipq806x-usb: conver latch function to pool macro
author
Ansuel Smith
<ansuelsmth@gmail.com>
Mon, 17 Jan 2022 00:26:41 +0000
(
01:26
+0100)
committer
Vinod Koul
<vkoul@kernel.org>
Mon, 24 Jan 2022 04:28:12 +0000
(09:58 +0530)
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>
drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c
patch
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diff --git
a/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c
b/drivers/phy/qualcomm/phy-qcom-ipq806x-usb.c
index
2aca0e2
..
7bacc52
100644
(file)
--- 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)
;
}
/**