diff options
| author | Thomas Zimmermann <[email protected]> | 2023-01-19 10:56:12 +0100 |
|---|---|---|
| committer | Thomas Zimmermann <[email protected]> | 2023-01-19 10:56:12 +0100 |
| commit | 6f84981772535e670e4e2df051a672af229b6694 (patch) | |
| tree | 407cec2ba38b75fc2a1bdefae5b6d3c6405be435 /include/linux/serdev.h | |
| parent | cba83c1fc38612c3d2c7b1bfed9d882e4848fb0d (diff) | |
| parent | 0b45ac1170ea6416bc1d36798414c04870cd356d (diff) | |
Merge drm/drm-next into drm-misc-next
Backmerging into drm-misc-next to get DRM accelerator infrastructure,
which is required by ipuv driver.
Signed-off-by: Thomas Zimmermann <[email protected]>
Diffstat (limited to 'include/linux/serdev.h')
| -rw-r--r-- | include/linux/serdev.h | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/include/linux/serdev.h b/include/linux/serdev.h index 66f624fc618c..5f6bfe4f6d95 100644 --- a/include/linux/serdev.h +++ b/include/linux/serdev.h @@ -7,6 +7,7 @@ #include <linux/types.h> #include <linux/device.h> +#include <linux/iopoll.h> #include <linux/uaccess.h> #include <linux/termios.h> #include <linux/delay.h> @@ -279,18 +280,10 @@ 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 * 1000); } static inline int serdev_device_set_rts(struct serdev_device *serdev, bool enable) |