From e7e75c70c5d5d3365606c4a76adb7ff4822d2f75 Mon Sep 17 00:00:00 2001
From: Heiko Schocher <hs@denx.de>
Date: Wed, 12 Jun 2013 06:05:51 +0200
Subject: dfu: make data buffer size configurable

Dfu transfer uses a buffer before writing data to the
raw storage device. Make the size (in bytes) of this buffer
configurable through environment variable "dfu_bufsiz".
Defaut value is configurable through CONFIG_SYS_DFU_DATA_BUF_SIZE

Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Pantelis Antoniou <panto@antoniou-consulting.com>
Cc: Tom Rini <trini@ti.com>
Cc: Lukasz Majewski <l.majewski@samsung.com>
Cc: Kyungmin Park <kyungmin.park@samsung.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Wolfgang Denk <wd@denx.de>
Acked-by: Tom Rini <trini@ti.com>
---
 include/dfu.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'include')

diff --git a/include/dfu.h b/include/dfu.h
index a107f4b..124653c 100644
--- a/include/dfu.h
+++ b/include/dfu.h
@@ -68,7 +68,9 @@ static inline unsigned int get_mmc_blk_size(int dev)
 
 #define DFU_NAME_SIZE			32
 #define DFU_CMD_BUF_SIZE		128
-#define DFU_DATA_BUF_SIZE		(1024*1024*8)	/* 8 MiB */
+#ifndef CONFIG_SYS_DFU_DATA_BUF_SIZE
+#define CONFIG_SYS_DFU_DATA_BUF_SIZE		(1024*1024*8)	/* 8 MiB */
+#endif
 #ifndef CONFIG_SYS_DFU_MAX_FILE_SIZE
 #define CONFIG_SYS_DFU_MAX_FILE_SIZE	(4 << 20)	/* 4 MiB */
 #endif
-- 
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