Commit 4620c7ed authored Jan 15, 2018 by Oleg Perelet Committed by Gerrit - the friendly Code Review server Mar 07, 2018

msm: kgsl: Use usleep_delay instead of cond_resched.



Use usleep_delay when waiting for CX votes to be removed,
usleep_delay will yield control to other RT threads.

Signed-off-by: Oleg Perelet <operelet@codeaurora.org>
Change-Id: Ia305dfe1e051a8fb603da595ad1e1cbcfc9f285c
Signed-off-by: George Shen <sqiao@codeaurora.org>
Signed-off-by: Urvashi Agrawal <urvaagra@codeaurora.org>

parent 1d7e595f

drivers/gpu/msm/kgsl_gmu.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -1308,10 +1308,13 @@ static int gmu_disable_gdsc(struct gmu_device *gmu)
		do {
		if (!regulator_is_enabled(gmu->cx_gdsc))
		return 0;
		cond_resched();
		usleep_range(10, 100);

		} while (!(time_after(jiffies, t)));

		if (!regulator_is_enabled(gmu->cx_gdsc))
		return 0;

		dev_err(&gmu->pdev->dev, "GMU CX gdsc off timeout");
		return -ETIMEDOUT;
		}