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authorSrinivas Kandagatla <srinivas.kandagatla@linaro.org>2022-10-26 12:02:05 +0100
committerVinod Koul <vkoul@kernel.org>2022-10-28 17:00:38 +0530
commitf936fa7a954b262cb3908bbc8f01ba19dfaf9fbf (patch)
tree52dc31d0ab3c5c773a94b6acbfbc24a0c70b3166 /drivers/soundwire
parent13c30a755847c7e804e1bf755e66e3ff7b7f9367 (diff)
downloadlwn-f936fa7a954b262cb3908bbc8f01ba19dfaf9fbf.tar.gz
lwn-f936fa7a954b262cb3908bbc8f01ba19dfaf9fbf.zip
soundwire: qcom: reinit broadcast completion
For some reason we never reinit the broadcast completion, there is a danger that broadcast commands could be treated as completed by driver from previous complete status. Fix this by reinitializing the completion before sending a broadcast command. Fixes: ddea6cf7b619 ("soundwire: qcom: update register read/write routine") Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20221026110210.6575-2-srinivas.kandagatla@linaro.org Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/soundwire')
-rw-r--r--drivers/soundwire/qcom.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/soundwire/qcom.c b/drivers/soundwire/qcom.c
index b33d5db494a5..8f1a1eb017a2 100644
--- a/drivers/soundwire/qcom.c
+++ b/drivers/soundwire/qcom.c
@@ -344,6 +344,9 @@ static int qcom_swrm_cmd_fifo_wr_cmd(struct qcom_swrm_ctrl *swrm, u8 cmd_data,
if (swrm_wait_for_wr_fifo_avail(swrm))
return SDW_CMD_FAIL_OTHER;
+ if (cmd_id == SWR_BROADCAST_CMD_ID)
+ reinit_completion(&swrm->broadcast);
+
/* Its assumed that write is okay as we do not get any status back */
swrm->reg_write(swrm, SWRM_CMD_FIFO_WR_CMD, val);