Commit 96e82989 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Greg Kroah-Hartman
Browse files

serdev: Replace poll loop by readx_poll_timeout() macro 



The readx_poll_timeout() consolidates the necessary code under
macro. Replace current code with it.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20221114151813.37294-1-andriy.shevchenko@linux.intel.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 24ce048b

include/linux/serdev.h

+3 −10
Original line number Diff line number Diff line
@@ -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)