From 3ed39f8e747a7aafeec07bb244f2c3a1bdca5730 Mon Sep 17 00:00:00 2001
From: Wen Gong <wgong@codeaurora.org>
Date: Thu, 27 Jun 2019 21:21:51 +0300
Subject: [PATCH] ath10k: destroy sdio workqueue while remove sdio module
Git-commit: 3ed39f8e747a7aafeec07bb244f2c3a1bdca5730
Patch-mainline: v5.3-rc1
References: bsc#1111666

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>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/net/wireless/ath/ath10k/sdio.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/drivers/net/wireless/ath/ath10k/sdio.c
+++ b/drivers/net/wireless/ath/ath10k/sdio.c
@@ -2073,6 +2073,9 @@ static void ath10k_sdio_remove(struct sd
 	cancel_work_sync(&ar_sdio->wr_async_work);
 	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[] = {