diff options
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/skd_main.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/block/skd_main.c b/drivers/block/skd_main.c index 54ffd27b2620..6f78cea75103 100644 --- a/drivers/block/skd_main.c +++ b/drivers/block/skd_main.c @@ -2163,6 +2163,9 @@ static void skd_send_fitmsg(struct skd_device *skdev, */ qcmd |= FIT_QCMD_MSGSIZE_64; + /* Make sure skd_msg_buf is written before the doorbell is triggered. */ + smp_wmb(); + SKD_WRITEQ(skdev, qcmd, FIT_Q_COMMAND); } @@ -2209,6 +2212,9 @@ static void skd_send_special_fitmsg(struct skd_device *skdev, qcmd = skspcl->mb_dma_address; qcmd |= FIT_QCMD_QID_NORMAL + FIT_QCMD_MSGSIZE_128; + /* Make sure skd_msg_buf is written before the doorbell is triggered. */ + smp_wmb(); + SKD_WRITEQ(skdev, qcmd, FIT_Q_COMMAND); } |