[alsa-devel] [PATCH v6 02/10] soundwire: Initialize completion for defer messages

Sanyog Kale sanyog.r.kale at intel.com
Mon Jul 16 20:47:05 CEST 2018


From: Shreyas NC <shreyas.nc at intel.com>

Deferred messages are async messages used to synchronize
transitions mostly while doing a bank switch on multi links.
On successful transitions these messages are marked complete
and thereby confirming that all the buses performed bank switch
successfully.

So, initialize the completion structure for the same.

Signed-off-by: Sanyog Kale <sanyog.r.kale at intel.com>
Signed-off-by: Vinod Koul <vkoul at kernel.org>
Signed-off-by: Shreyas NC <shreyas.nc at intel.com>
---
 drivers/soundwire/bus.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c
index dcc0ff9f0c22..dbabd5e69343 100644
--- a/drivers/soundwire/bus.c
+++ b/drivers/soundwire/bus.c
@@ -175,6 +175,7 @@ static inline int do_transfer_defer(struct sdw_bus *bus,
 
 	defer->msg = msg;
 	defer->length = msg->len;
+	init_completion(&defer->complete);
 
 	for (i = 0; i <= retry; i++) {
 		resp = bus->ops->xfer_msg_defer(bus, msg, defer);
-- 
2.13.0



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