Commit 2bca263c authored by Jakub Kicinski's avatar Jakub Kicinski
Browse files

Merge branch 'mhi-net-immutable' of https://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi 



Needed by mhi-net patches.

Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parents 5daf8384 87baa23e

drivers/bus/mhi/core/main.c

+12 −0
Original line number Diff line number Diff line
@@ -260,6 +260,18 @@ int mhi_destroy_device(struct device *dev, void *data) 
	return 0;

}



int mhi_get_free_desc_count(struct mhi_device *mhi_dev,

				enum dma_data_direction dir)

{

	struct mhi_controller *mhi_cntrl = mhi_dev->mhi_cntrl;

	struct mhi_chan *mhi_chan = (dir == DMA_TO_DEVICE) ?

		mhi_dev->ul_chan : mhi_dev->dl_chan;

	struct mhi_ring *tre_ring = &mhi_chan->tre_ring;



	return get_nr_avail_ring_elements(mhi_cntrl, tre_ring);

}

EXPORT_SYMBOL_GPL(mhi_get_free_desc_count);



void mhi_notify(struct mhi_device *mhi_dev, enum mhi_callback cb_reason)

{

	struct mhi_driver *mhi_drv;

include/linux/mhi.h

+9 −0
Original line number Diff line number Diff line
@@ -598,6 +598,15 @@ void mhi_set_mhi_state(struct mhi_controller *mhi_cntrl, 
 */

void mhi_notify(struct mhi_device *mhi_dev, enum mhi_callback cb_reason);



/**

 * mhi_get_free_desc_count - Get transfer ring length

 * Get # of TD available to queue buffers

 * @mhi_dev: Device associated with the channels

 * @dir: Direction of the channel

 */

int mhi_get_free_desc_count(struct mhi_device *mhi_dev,

				enum dma_data_direction dir);



/**

 * mhi_prepare_for_power_up - Do pre-initialization before power up.

 *                            This is optional, call this before power up if