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Commit 8d17acb9 authored by Devdutt Patnaik's avatar Devdutt Patnaik Committed by Gerrit - the friendly Code Review server
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usb: f_gsi: Update connection parameters for GSI channels 



Stage 1 SMMU enablement on IPA requires that the USB
driver pass physical and virtual addresses to IPA for
addresses that GSI hardware will write to. Update the
connection params for GSI channels to pass this info
to IPA driver.

Change-Id: Ibeedeef900b069b3a113b2daabf461797f28287b
Signed-off-by: default avatarDevdutt Patnaik <dpatnaik@codeaurora.org>
parent 097febe6

drivers/usb/gadget/function/f_gsi.c

+13 −1
Original line number Diff line number Diff line
@@ -454,7 +454,13 @@ static int ipa_connect_channels(struct gsi_data_port *d_port) 
	in_params->xfer_ring_len = gsi_channel_info.xfer_ring_len;

	in_params->xfer_ring_base_addr = gsi_channel_info.xfer_ring_base_addr;

	in_params->xfer_scratch.last_trb_addr_iova =

		d_port->in_last_trb_addr = gsi_channel_info.last_trb_addr;

					gsi_channel_info.last_trb_addr;

	in_params->xfer_ring_base_addr = in_params->xfer_ring_base_addr_iova =

					gsi_channel_info.xfer_ring_base_addr;

	in_params->data_buff_base_len = d_port->in_request.buf_len *

					d_port->in_request.num_bufs;

	in_params->data_buff_base_addr = in_params->data_buff_base_addr_iova =

					d_port->in_request.dma;

	in_params->xfer_scratch.const_buffer_size =

		gsi_channel_info.const_buffer_size;

	in_params->xfer_scratch.depcmd_low_addr =
@@ -486,7 +492,13 @@ static int ipa_connect_channels(struct gsi_data_port *d_port) 
		out_params->xfer_ring_len =

			gsi_channel_info.xfer_ring_len;

		out_params->xfer_ring_base_addr =

			out_params->xfer_ring_base_addr_iova =

			gsi_channel_info.xfer_ring_base_addr;

		out_params->data_buff_base_len = d_port->out_request.buf_len *

			d_port->out_request.num_bufs;

		out_params->data_buff_base_addr =

			out_params->data_buff_base_addr_iova =

			d_port->out_request.dma;

		out_params->xfer_scratch.last_trb_addr_iova =

			gsi_channel_info.last_trb_addr;

		out_params->xfer_scratch.const_buffer_size =