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[net-next,v3,3/6] net/ncsi: Don't deselect package in suspend if active

Message ID 20181108024909.9897-4-sam@mendozajonas.com
State Not Applicable, archived
Headers show
Series net/ncsi: Allow enabling multiple packages & channels | expand

Commit Message

Sam Mendoza-Jonas Nov. 8, 2018, 2:49 a.m. UTC 
When a package is deselected all channels of that package cease
communication. If there are other channels active on the package of the
suspended channel this will disable them as well, so only send a
deselect-package command if no other channels are active.

Signed-off-by: Samuel Mendoza-Jonas <sam@mendozajonas.com>
---
 net/ncsi/ncsi-manage.c | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)
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Patch

diff --git a/net/ncsi/ncsi-manage.c b/net/ncsi/ncsi-manage.c
index 02421d1a22c9..b8b4e765a04c 100644
--- a/net/ncsi/ncsi-manage.c
+++ b/net/ncsi/ncsi-manage.c
@@ -440,12 +440,14 @@  static void ncsi_request_timeout(struct timer_list *t)
 static void ncsi_suspend_channel(struct ncsi_dev_priv *ndp)
 {
 	struct ncsi_dev *nd = &ndp->ndev;
-	struct ncsi_package *np = ndp->active_package;
-	struct ncsi_channel *nc = ndp->active_channel;
+	struct ncsi_package *np;
+	struct ncsi_channel *nc, *tmp;
 	struct ncsi_cmd_arg nca;
 	unsigned long flags;
 	int ret;
 
+	np = ndp->active_package;
+	nc = ndp->active_channel;
 	nca.ndp = ndp;
 	nca.req_flags = NCSI_REQ_FLAG_EVENT_DRIVEN;
 	switch (nd->state) {
@@ -521,6 +523,15 @@  static void ncsi_suspend_channel(struct ncsi_dev_priv *ndp)
 		if (ret)
 			goto error;
 
+		NCSI_FOR_EACH_CHANNEL(np, tmp) {
+			/* If there is another channel active on this package
+			 * do not deselect the package.
+			 */
+			if (tmp != nc && tmp->state == NCSI_CHANNEL_ACTIVE) {
+				nd->state = ncsi_dev_state_suspend_done;
+				break;
+			}
+		}
 		break;
 	case ncsi_dev_state_suspend_deselect:
 		ndp->pending_req_num = 1;