Messages in this thread Patch in this message | | | From | Tomas Winkler <> | Subject | [char-misc] mei: reset flow control on the last client disconnection | Date | Sat, 13 Jun 2015 21:18:40 +0300 |
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From: Alexander Usyskin <alexander.usyskin@intel.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@vger.kernel.org> #4.1 Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.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
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