[PATCH v3] drivers:soc:fsl:qbman:qman.c: Sleep instead of stuck hacking jiffies.

Karim Eshapa karim.eshapa at gmail.com
Thu May 4 22:45:18 PDT 2017


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

Signed-off-by: Karim Eshapa <karim.eshapa at gmail.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 3d891db..18d391e 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;
-- 
2.7.4




More information about the linux-arm-kernel mailing list