From: Bhaumik Bhatt <bbhatt@codeaurora.org>
Date: Wed, 18 Nov 2020 18:20:25 +0000 (-0800)
Subject: net: qrtr: Unprepare MHI channels during remove
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=2ca7e30d3b1ee370c96201e58f8c05ba2bdcd6d2;p=linux.git

net: qrtr: Unprepare MHI channels during remove

Reset MHI device channels when driver remove is called due to
module unload or any crash scenario. This will make sure that
MHI channels no longer remain enabled for transfers since the
MHI stack does not take care of this anymore after the auto-start
channels feature was removed.

Signed-off-by: Bhaumik Bhatt <bbhatt@codeaurora.org>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---

diff --git a/net/qrtr/mhi.c b/net/qrtr/mhi.c
index 7100f0bac4c68..2bf2b1943e61b 100644
--- a/net/qrtr/mhi.c
+++ b/net/qrtr/mhi.c
@@ -104,6 +104,7 @@ static void qcom_mhi_qrtr_remove(struct mhi_device *mhi_dev)
 	struct qrtr_mhi_dev *qdev = dev_get_drvdata(&mhi_dev->dev);
 
 	qrtr_endpoint_unregister(&qdev->ep);
+	mhi_unprepare_from_transfer(mhi_dev);
 	dev_set_drvdata(&mhi_dev->dev, NULL);
 }