From: Siarhei Siamashka <siarhei.siamashka@gmail.com>
Date: Wed, 28 Oct 2015 04:24:16 +0000 (+0200)
Subject: mmc: Use lldiv() for 64-bit division in write_raw_image()
X-Git-Tag: v2016.01-rc1~39
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=5e0efc1bc6e358efcf6cd234192a0eead21d760f;p=u-boot

mmc: Use lldiv() for 64-bit division in write_raw_image()

This fixes compilation problems when using a hardfloat toolchain on
ARM, which manifest themselves as "libgcc.a(_udivmoddi4.o) uses
VFP register arguments, u-boot does not".

These problems have been reported in the U-Boot mailing list:
    http://lists.denx.de/pipermail/u-boot/2015-October/230314.html
    http://lists.denx.de/pipermail/u-boot/2015-October/231908.html

Signed-off-by: Siarhei Siamashka <siarhei.siamashka@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
---

diff --git a/common/fb_mmc.c b/common/fb_mmc.c
index e4fbd8dfa7..b480e76554 100644
--- a/common/fb_mmc.c
+++ b/common/fb_mmc.c
@@ -13,6 +13,7 @@
 #include <part.h>
 #include <sparse_format.h>
 #include <mmc.h>
+#include <div64.h>
 
 #ifndef CONFIG_FASTBOOT_GPT_NAME
 #define CONFIG_FASTBOOT_GPT_NAME GPT_ENTRY_NAME
@@ -73,7 +74,7 @@ static void write_raw_image(block_dev_desc_t *dev_desc, disk_partition_t *info,
 
 	/* determine number of blocks to write */
 	blkcnt = ((download_bytes + (info->blksz - 1)) & ~(info->blksz - 1));
-	blkcnt = blkcnt / info->blksz;
+	blkcnt = lldiv(blkcnt, info->blksz);
 
 	if (blkcnt > info->size) {
 		error("too large for partition: '%s'\n", part_name);