From: Jérôme Pouiller <jerome.pouil...@silabs.com>

When possible it is better to wait for an explicit event instead of wait
an arbitrary amount of time.

Signed-off-by: Jérôme Pouiller <jerome.pouil...@silabs.com>
---
 drivers/staging/wfx/hif_tx.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/wfx/hif_tx.c b/drivers/staging/wfx/hif_tx.c
index 0b1ed12c0e83..ae3cc5919dcd 100644
--- a/drivers/staging/wfx/hif_tx.c
+++ b/drivers/staging/wfx/hif_tx.c
@@ -72,8 +72,8 @@ int wfx_cmd_send(struct wfx_dev *wdev, struct wfx_hif_msg 
*request,
        wfx_bh_request_tx(wdev);
 
        if (no_reply) {
-               /* Chip won't reply. Give enough time to the wq to send the 
buffer. */
-               msleep(100);
+               /* Chip won't reply. Ensure the wq has send the buffer before 
to continue. */
+               flush_workqueue(system_highpri_wq);
                ret = 0;
                goto end;
        }
-- 
2.34.1

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