From: Karim Eshapa <karim.eshapa@gmail.com>
Date: Fri, 5 May 2017 07:45:18 +0200
Subject: soc/fsl/qman: Sleep instead of stuck hacking jiffies

Git-commit: 7ce2e934178b1af66c99ffefd831ab0de7244747
Patch-mainline: v4.15-rc1
References: fate#326530,fate#326531,fate#326535,fate#326538,fate#326539

Use msleep() instead of stucking with long delay will be more efficient.

Signed-off-by: Karim Eshapa <karim.eshapa@gmail.com>
Acked-by: Scott Wood <oss@buserror.net>
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@suse.com>
---
 drivers/soc/fsl/qbman/qman.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/soc/fsl/qbman/qman.c b/drivers/soc/fsl/qbman/qman.c
index 18eefc3f1abe..da68f887ed82 100644
--- a/drivers/soc/fsl/qbman/qman.c
+++ b/drivers/soc/fsl/qbman/qman.c
@@ -1084,11 +1084,7 @@ static int drain_mr_fqrni(struct qm_portal *p)
 		 * entries well before the ring has been fully consumed, so
 		 * we're being *really* paranoid here.
 		 */
-		u64 now, then = jiffies;
-
-		do {
-			now = jiffies;
-		} while ((then + 10000) > now);
+		msleep(1);
 		msg = qm_mr_current(p);
 		if (!msg)
 			return 0;
-- 
2.11.0