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Commit 633a91b4 authored by Sujeev Dias's avatar Sujeev Dias
Browse files

mhi: dev: net_dev: remove support for resetting channels 



Hardware channel reset support is no longer supported in software,
removing support for it.

CRs-Fixed: 2361266
Change-Id: I5dd627652667ad758ad38d2edc2d8ace31b1387d
Signed-off-by: default avatarSujeev Dias <sdias@codeaurora.org>
parent 19f2bc24

drivers/bus/mhi/devices/mhi_netdev.c

+0 −33
Original line number Diff line number Diff line
@@ -625,38 +625,9 @@ static void mhi_netdev_status_cb(struct mhi_device *mhi_dev, enum MHI_CB mhi_cb) 


struct dentry *dentry;



static int mhi_netdev_debugfs_trigger_reset(void *data, u64 val)

{

	struct mhi_netdev *mhi_netdev = data;

	struct mhi_device *mhi_dev = mhi_netdev->mhi_dev;

	int ret;



	MSG_LOG("Triggering channel reset\n");



	/* disable the interface so no data processing */

	write_lock_irq(&mhi_netdev->pm_lock);

	mhi_netdev->enabled = false;

	write_unlock_irq(&mhi_netdev->pm_lock);

	napi_disable(&mhi_netdev->napi);



	/* disable all hardware channels */

	mhi_unprepare_from_transfer(mhi_dev);



	MSG_LOG("Restarting iface\n");



	ret = mhi_netdev_enable_iface(mhi_netdev);

	if (ret)

		return ret;



	return 0;

}

DEFINE_DEBUGFS_ATTRIBUTE(mhi_netdev_debugfs_trigger_reset_fops, NULL,

			 mhi_netdev_debugfs_trigger_reset, "%llu\n");



static void mhi_netdev_create_debugfs(struct mhi_netdev *mhi_netdev)

{

	char node_name[32];

	const umode_t mode = 0600;

	struct mhi_device *mhi_dev = mhi_netdev->mhi_dev;



	/* Both tx & rx client handle contain same device info */
@@ -670,10 +641,6 @@ static void mhi_netdev_create_debugfs(struct mhi_netdev *mhi_netdev) 
	mhi_netdev->dentry = debugfs_create_dir(node_name, dentry);

	if (IS_ERR_OR_NULL(mhi_netdev->dentry))

		return;



	debugfs_create_file_unsafe("reset", mode, mhi_netdev->dentry,

				   mhi_netdev,

				   &mhi_netdev_debugfs_trigger_reset_fops);

}



static void mhi_netdev_create_debugfs_dir(void)