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authorDave Airlie <airlied@redhat.com>2021-06-23 03:07:48 +0300
committerDave Airlie <airlied@redhat.com>2021-06-23 03:07:48 +0300
commitf45fbbb6d5cff29ddfc708676ec1c2496eed3a07 (patch)
tree5496fee9f6b10da368aa49b03612061156e42d2f /drivers/net/ethernet/mscc/ocelot.c
parentd472b36efbf8a27dc8a80519db8b5a8caffe42b6 (diff)
parent13311e74253fe64329390df80bed3f07314ddd61 (diff)
downloadlinux-f45fbbb6d5cff29ddfc708676ec1c2496eed3a07.tar.xz
Backmerge tag 'v5.13-rc7' into drm-next
Backmerge Linux 5.13-rc7 to make some pulls from later bases apply, and to bake in the conflicts so far.
Diffstat (limited to 'drivers/net/ethernet/mscc/ocelot.c')
-rw-r--r--drivers/net/ethernet/mscc/ocelot.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c
index 0c4283319d7f..adfb9781799e 100644
--- a/drivers/net/ethernet/mscc/ocelot.c
+++ b/drivers/net/ethernet/mscc/ocelot.c
@@ -379,6 +379,7 @@ static u32 ocelot_read_eq_avail(struct ocelot *ocelot, int port)
int ocelot_port_flush(struct ocelot *ocelot, int port)
{
+ unsigned int pause_ena;
int err, val;
/* Disable dequeuing from the egress queues */
@@ -387,6 +388,7 @@ int ocelot_port_flush(struct ocelot *ocelot, int port)
QSYS_PORT_MODE, port);
/* Disable flow control */
+ ocelot_fields_read(ocelot, port, SYS_PAUSE_CFG_PAUSE_ENA, &pause_ena);
ocelot_fields_write(ocelot, port, SYS_PAUSE_CFG_PAUSE_ENA, 0);
/* Disable priority flow control */
@@ -422,6 +424,9 @@ int ocelot_port_flush(struct ocelot *ocelot, int port)
/* Clear flushing again. */
ocelot_rmw_gix(ocelot, 0, REW_PORT_CFG_FLUSH_ENA, REW_PORT_CFG, port);
+ /* Re-enable flow control */
+ ocelot_fields_write(ocelot, port, SYS_PAUSE_CFG_PAUSE_ENA, pause_ena);
+
return err;
}
EXPORT_SYMBOL(ocelot_port_flush);