Commit 77f2cb28 authored by Manivannan Sadhasivam's avatar Manivannan Sadhasivam
Browse files

Merge branch 'mhi-net-immutable' into mhi-next

parents a8f75cb3 87baa23e

drivers/bus/mhi/core/main.c

+12 −0
Original line number Diff line number Diff line
@@ -280,6 +280,18 @@ 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
@@ -602,6 +602,15 @@ 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