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Commit e266dbdc authored by Sujeev Dias's avatar Sujeev Dias Committed by Gerrit - the friendly Code Review server
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msm: mhi: Check bb ring and transfer ring when checking for space 



When checking for available spaces, check available spaces on
both bounce buffer ring and transfer ring and return min.

Change-Id: I9208b46c32821de3f5d9e3d828087d7bc29b9546
CRs-Fixed: 1055681
Signed-off-by: default avatarSujeev Dias <sdias@codeaurora.org>
parent c1f45676

drivers/platform/msm/mhi/mhi_ring_ops.c

+5 −1
Original line number Diff line number Diff line
@@ -114,6 +114,7 @@ int mhi_get_free_desc(struct mhi_client_handle *client_handle) 
{

	u32 chan;

	struct mhi_device_ctxt *ctxt;

	int bb_ring, ch_ring;



	if (!client_handle || MHI_HANDLE_MAGIC != client_handle->magic ||

	    !client_handle->mhi_dev_ctxt)
@@ -121,7 +122,10 @@ int mhi_get_free_desc(struct mhi_client_handle *client_handle) 
	ctxt = client_handle->mhi_dev_ctxt;

	chan = client_handle->chan_info.chan_nr;



	return get_nr_avail_ring_elements(&ctxt->mhi_local_chan_ctxt[chan]);

	bb_ring = get_nr_avail_ring_elements(&ctxt->chan_bb_list[chan]);

	ch_ring = get_nr_avail_ring_elements(&ctxt->mhi_local_chan_ctxt[chan]);



	return min(bb_ring, ch_ring);

}

EXPORT_SYMBOL(mhi_get_free_desc);