Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 7d0efe30 authored by Sujeev Dias's avatar Sujeev Dias
Browse files

mhi: mhi_uci: pass max payload size to mhi during mhi registration 



MHI host requires clients to provide maximum payload size
during active transfer so MHI host can pre-allocate bounce
buffers.

CRs-Fixed: 1110280
Change-Id: I5dd38fc49a98629f77cdb7879942b7b1993e43b8
Signed-off-by: default avatarSujeev Dias <sdias@codeaurora.org>
parent def32324

drivers/platform/msm/mhi_uci/mhi_uci.c

+5 −5
Original line number Diff line number Diff line 
/* Copyright (c) 2014-2016, The Linux Foundation. All rights reserved.

/* Copyright (c) 2014-2017, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -31,8 +31,6 @@ 


#define MHI_DEV_NODE_NAME_LEN 13

#define MHI_SOFTWARE_CLIENT_LIMIT 23

#define TRE_TYPICAL_SIZE 0x1000

#define TRE_MAX_SIZE 0xFFFF

#define MHI_UCI_IPC_LOG_PAGES (25)



#define MAX_NR_TRBS_PER_CHAN 10
@@ -331,8 +329,8 @@ static int mhi_uci_send_packet(struct mhi_client_handle **client_handle, 
		return 0;



	for (i = 0; i < nr_avail_trbs; ++i) {

		data_to_insert_now = min(data_left_to_insert,

				TRE_MAX_SIZE);

		data_to_insert_now = min_t(size_t, data_left_to_insert,

				uci_handle->out_attr.max_packet_size);

		if (is_uspace_buf) {

			data_loc = kmalloc(data_to_insert_now, GFP_KERNEL);

			if (NULL == data_loc) {
@@ -1231,6 +1229,7 @@ static int mhi_register_client(struct uci_client *mhi_client, 
	client_info.user_data = mhi_client;

	client_info.mhi_client_cb = uci_xfer_cb;

	client_info.chan = mhi_client->out_chan;

	client_info.max_payload = mhi_client->out_attr.max_packet_size;

	ret_val = mhi_register_channel(&mhi_client->out_handle, &client_info);

	if (0 != ret_val)

		uci_log(mhi_client->uci_ipc_log,
@@ -1243,6 +1242,7 @@ static int mhi_register_client(struct uci_client *mhi_client, 
		UCI_DBG_INFO,

		"Registering chan %d\n",

		mhi_client->in_chan);

	client_info.max_payload = mhi_client->in_attr.max_packet_size;

	client_info.chan = mhi_client->in_chan;

	ret_val = mhi_register_channel(&mhi_client->in_handle, &client_info);

	if (0 != ret_val)