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Date: Sat, 13 Jun 2015 21:18:40 +0300 From: Tomas Winkler <tomas.winkler@...el.com> To: gregkh@...uxfoundation.org Cc: arnd@...db.de, linux-kernel@...r.kernel.org, Alexander Usyskin <alexander.usyskin@...el.com>, <stable@...r.kernel.org>, Tomas Winkler <tomas.winkler@...el.com> Subject: [char-misc] mei: reset flow control on the last client disconnection From: Alexander Usyskin <alexander.usyskin@...el.com> The FW resets the flow control for single buffer clients when the last host client disconnects, also the driver has to follow this policy and zero the flow control counter in such case. Cc: <stable@...r.kernel.org> #4.1 Signed-off-by: Alexander Usyskin <alexander.usyskin@...el.com> Signed-off-by: Tomas Winkler <tomas.winkler@...el.com> --- drivers/misc/mei/client.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c index ae0160e02b34..6decbe136ea7 100644 --- a/drivers/misc/mei/client.c +++ b/drivers/misc/mei/client.c @@ -755,6 +755,9 @@ void mei_cl_set_disconnected(struct mei_cl *cl) if (!WARN_ON(cl->me_cl->connect_count == 0)) cl->me_cl->connect_count--; + if (cl->me_cl->connect_count == 0) + cl->me_cl->mei_flow_ctrl_creds = 0; + mei_me_cl_put(cl->me_cl); cl->me_cl = NULL; } -- 2.4.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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