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Subject[PATCH v2 4/7] soc/fsl/qbman: Fix drain_mr_fqni()
Date
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: Roy Pledge <roy.pledge@nxp.com>
---
drivers/soc/fsl/qbman/qman.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/soc/fsl/qbman/qman.c b/drivers/soc/fsl/qbman/qman.c
index f10f77d..2989504 100644
--- a/drivers/soc/fsl/qbman/qman.c
+++ b/drivers/soc/fsl/qbman/qman.c
@@ -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;
--
2.7.4
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