From: Vinod Koul <vinod.koul@intel.com>
Date: Wed, 6 Jul 2016 16:37:23 +0000 (+0530)
Subject: dmaengine: qcom_hidma_lli: kill the tasklets upon exit
X-Git-Tag: v4.14-rc1~2793^2^2~5
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4cad91b2a9977c8d92f342c4a9b73cd9dbce8f21;p=platform%2Fkernel%2Flinux-rpi.git

dmaengine: qcom_hidma_lli: kill the tasklets upon exit

drivers should ensure that tasklets are killed, so that they can't be
run after driver remove is executed

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Cc: Sinan Kaya <okaya@codeaurora.org>
---

diff --git a/drivers/dma/qcom/hidma_ll.c b/drivers/dma/qcom/hidma_ll.c
index f392900..ad20dfb 100644
--- a/drivers/dma/qcom/hidma_ll.c
+++ b/drivers/dma/qcom/hidma_ll.c
@@ -831,6 +831,7 @@ int hidma_ll_uninit(struct hidma_lldev *lldev)
 
 	required_bytes = sizeof(struct hidma_tre) * lldev->nr_tres;
 	tasklet_kill(&lldev->task);
+	tasklet_kill(&lldev->rst_task);
 	memset(lldev->trepool, 0, required_bytes);
 	lldev->trepool = NULL;
 	lldev->pending_tre_count = 0;