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Commit eccb355a authored by Rama Krishna Phani A's avatar Rama Krishna Phani A
Browse files

msm: mhi_dev: Add uevent support to DCI IN/OUT channels 



Channel state updates to MHI clients are provided using
uevents. Add uevent support and skip node creation for
DCI IN/OUT channels.

Change-Id: I6e472d6d06f5d231da33fe00018f5ae458f60ddf
Signed-off-by: default avatarRama Krishna Phani A <rphani@codeaurora.org>
parent fbd9ceb4

drivers/platform/msm/mhi_dev/mhi_uci.c

+28 −1
Original line number Diff line number Diff line
@@ -87,6 +87,8 @@ struct chan_attr { 
	bool wr_cmpl;

	/* Uevent broadcast of channel state */

	bool state_bcast;

	/* Skip node creation if not needed */

	bool skip_node;

	/* Number of write request structs to allocate */

	u32 num_wr_reqs;
@@ -219,6 +221,29 @@ static const struct chan_attr uci_chan_attr_table[] = { 
		NULL,

		true

	},

	{

		MHI_CLIENT_DCI_OUT,

		TRB_MAX_DATA_SIZE,

		MAX_NR_TRBS_PER_CHAN,

		MHI_DIR_OUT,

		NULL,

		NULL,

		NULL,

		false,

		true

	},

	{

		MHI_CLIENT_DCI_IN,

		TRB_MAX_DATA_SIZE,

		MAX_NR_TRBS_PER_CHAN,

		MHI_DIR_IN,

		NULL,

		NULL,

		NULL,

		false,

		false,

		true

	},

	{

		MHI_CLIENT_DUN_OUT,

		TRB_MAX_DATA_SIZE,
@@ -237,6 +262,7 @@ static const struct chan_attr uci_chan_attr_table[] = { 
		NULL,

		false,

		false,

		false,

		50

	},

	{
@@ -1835,7 +1861,8 @@ int mhi_uci_init(void) 
		 * this client's channels is called by the MHI driver,

		 * if one is registered.

		 */

		if (mhi_client->in_chan_attr->chan_state_cb)

		if (mhi_client->in_chan_attr->chan_state_cb ||

				mhi_client->in_chan_attr->skip_node)

			continue;

		ret_val = uci_device_create(mhi_client);

		if (ret_val)