The readx_poll_timeout() consolidates the necessary code under
macro. Replace current code with it.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
v2: dropped TODO: in the Subject line
include/linux/serdev.h | 14 ++++----------
1 file changed, 4 insertions(+), 10 deletions(-)
diff --git a/include/linux/serdev.h b/include/linux/serdev.h
index 66f624fc618c..69d9c3188065 100644
--- a/include/linux/serdev.h
+++ b/include/linux/serdev.h
@@ -7,9 +7,11 @@
#include <linux/types.h>
#include <linux/device.h>
+#include <linux/iopoll.h>
#include <linux/uaccess.h>
#include <linux/termios.h>
#include <linux/delay.h>
+#include <vdso/time64.h>
struct serdev_controller;
struct serdev_device;
@@ -279,18 +281,10 @@ static inline bool serdev_device_get_cts(struct serdev_device *serdev)
static inline int serdev_device_wait_for_cts(struct serdev_device *serdev, bool state, int timeout_ms)
{
- unsigned long timeout;
bool signal;
- timeout = jiffies + msecs_to_jiffies(timeout_ms);
- while (time_is_after_jiffies(timeout)) {
- signal = serdev_device_get_cts(serdev);
- if (signal == state)
- return 0;
- usleep_range(1000, 2000);
- }
-
- return -ETIMEDOUT;
+ return readx_poll_timeout(serdev_device_get_cts, serdev, signal, signal == state,
+ 2000, timeout_ms * USEC_PER_MSEC);
}
static inline int serdev_device_set_rts(struct serdev_device *serdev, bool enable)
--
2.35.1
