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Commit 087edd1d authored by Tapas Dey's avatar Tapas Dey
Browse files

NFC: Fix NFC firmware download issue 



Due to insufficient kernel buffer size, NFC firmware
download fails during NFC initialization.

Increased kernel buffer size to support
frame size of 554 in FW download mode.

Change-Id: Ifce0b18f70ff3ff3746a48a44e5dc984334f2751
Signed-off-by: default avatarTapas Dey <tdey@codeaurora.org>
parent fc811f2b

drivers/nfc/nq-nci.h

+7 −2
Original line number Diff line number Diff line 
/* Copyright (c) 2015-2019, The Linux Foundation. All rights reserved.

/* Copyright (c) 2015-2020, 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
@@ -40,7 +40,12 @@ 
#define DEV_COUNT	1

#define DEVICE_NAME	"nq-nci"

#define CLASS_NAME	"nqx"

#define MAX_BUFFER_SIZE			(320)

/*

 * From MW 11.04 buffer size increased to support

 * frame size of 554 in FW download mode

 * Frame len(2) + Frame Header(6) + DATA(512) + HASH(32) + CRC(2) + RFU(4)

 */

#define MAX_BUFFER_SIZE			(558)

#define WAKEUP_SRC_TIMEOUT		(2000)

#define MAX_RETRY_COUNT			3

#define NCI_RESET_CMD_LEN		4