[PATCH net-next v3 3/6] net/ncsi: Don't deselect package in suspend if active
From: Samuel Mendoza-Jonas <sam@mendozajonas.com>
Date: 2018-11-08 02:49:44
Also in:
lkml, openbmc
Subsystem:
ncsi library, networking [general], the rest · Maintainers:
Samuel Mendoza-Jonas, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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(-)
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;
--
2.19.1