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Commit 627da8ba authored by Roy Pledge's avatar Roy Pledge Committed by Li Yang
Browse files

soc/fsl/qbman: Fix drain_mr_fqni() 



The drain_mr_fqni() function may be called fron uninterruptable
context so convert the msleep() to an mdelay().  Also ensure that
the valid bit is updated while polling.

Signed-off-by: default avatarRoy Pledge <roy.pledge@nxp.com>
Signed-off-by: default avatarLi Yang <leoyang.li@nxp.com>
parent c5501aa9

drivers/soc/fsl/qbman/qman.c

+3 −1
Original line number Diff line number Diff line
@@ -1164,6 +1164,7 @@ static int drain_mr_fqrni(struct qm_portal *p) 
{

	const union qm_mr_entry *msg;

loop:

	qm_mr_pvb_update(p);

	msg = qm_mr_current(p);

	if (!msg) {

		/*
@@ -1180,7 +1181,8 @@ 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.

		 */

		msleep(1);

		mdelay(1);

		qm_mr_pvb_update(p);

		msg = qm_mr_current(p);

		if (!msg)

			return 0;