ath10k: destroy sdio workqueue while remove sdio module

The workqueue need to flush and destory while remove sdio module,
otherwise it will have thread which is not destory after remove
sdio modules.

Tested with QCA6174 SDIO with firmware
WLAN.RMH.4.4.1-00007-QCARMSWP-1.

Signed-off-by: Wen Gong <wgong@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath10k/sdio.c b/drivers/net/wireless/ath/ath10k/sdio.c
index 08bbbc9933be..8ed4fbd8d6c3 100644
--- a/drivers/net/wireless/ath/ath10k/sdio.c
+++ b/drivers/net/wireless/ath/ath10k/sdio.c
@@ -2097,6 +2097,9 @@ static void ath10k_sdio_remove(struct sdio_func *func)
 
         ath10k_core_unregister(ar);
         ath10k_core_destroy(ar);
+
+        flush_workqueue(ar_sdio->workqueue);
+        destroy_workqueue(ar_sdio->workqueue);
 }
 
 static const struct sdio_device_id ath10k_sdio_devices[] = {