[U-Boot] [PATCH 07/10] mmc: use lldiv() for 64-bit division

From: Ilya Yanok <yanok@emcraft.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 07/10] mmc: use lldiv() for 64-bit division
Date: Wed,  6 May 2009 22:30:30 +0400	[thread overview]
Message-ID: <1241634633-13917-8-git-send-email-yanok@emcraft.com> (raw)
In-Reply-To: <1241634633-13917-1-git-send-email-yanok@emcraft.com>

Signed-off-by: Ilya Yanok <yanok@emcraft.com>
---
 drivers/mmc/mmc.c |    7 ++++---
 1 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 7791c38..77a9aea 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -31,6 +31,7 @@
 #include <malloc.h>
 #include <linux/list.h>
 #include <mmc.h>
+#include <div64.h>
 
 static struct list_head mmc_devices;
 static int cur_dev_num = -1;
@@ -155,8 +156,8 @@ int mmc_read(struct mmc *mmc, u64 src, uchar *dst, int size)
 	char *buffer;
 	int i;
 	int blklen = mmc->read_bl_len;
-	int startblock = src / blklen;
-	int endblock = (src + size - 1) / blklen;
+	int startblock = lldiv(src, blklen);
+	int endblock = lldiv((src + size - 1), blklen);
 	int err = 0;
 
 	/* Make a buffer big enough to hold all the blocks we might read */
@@ -789,7 +790,7 @@ int mmc_startup(struct mmc *mmc)
 	mmc->block_dev.lun = 0;
 	mmc->block_dev.type = 0;
 	mmc->block_dev.blksz = mmc->read_bl_len;
-	mmc->block_dev.lba = mmc->capacity/mmc->read_bl_len;
+	mmc->block_dev.lba = lldiv(mmc->capacity,mmc->read_bl_len);
 	sprintf(mmc->block_dev.vendor,"Man %02x%02x%02x Snr %02x%02x%02x%02x",
 			mmc->cid[0], mmc->cid[1], mmc->cid[2],
 			mmc->cid[9], mmc->cid[10], mmc->cid[11], mmc->cid[12]);
-- 
1.6.0.6
