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-rw-r--r--drivers/mtd/devices/block2mtd.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index 4160b83..f54e4bf 100644
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -4,7 +4,7 @@
* block2mtd.c - create an mtd from a block device
*
* Copyright (C) 2001,2002 Simon Evans <spse@secret.org.uk>
- * Copyright (C) 2004,2005 Jörn Engel <joern@wh.fh-wedel.de>
+ * Copyright (C) 2004-2006 Jörn Engel <joern@wh.fh-wedel.de>
*
* Licence: GPL
*/
@@ -351,6 +351,12 @@ devinit_err:
}
+/* This function works similar to reguler strtoul. In addition, it
+ * allows some suffixes for a more human-readable number format:
+ * ki, Ki, kiB, KiB - multiply result with 1024
+ * Mi, MiB - multiply result with 1024^2
+ * Gi, GiB - multiply result with 1024^3
+ */
static int ustrtoul(const char *cp, char **endp, unsigned int base)
{
unsigned long result = simple_strtoul(cp, endp, base);
@@ -359,11 +365,16 @@ static int ustrtoul(const char *cp, char **endp, unsigned int base)
result *= 1024;
case 'M':
result *= 1024;
+ case 'K':
case 'k':
result *= 1024;
/* By dwmw2 editorial decree, "ki", "Mi" or "Gi" are to be used. */
- if ((*endp)[1] == 'i')
- (*endp) += 2;
+ if ((*endp)[1] == 'i') {
+ if ((*endp)[2] == 'B')
+ (*endp) += 3;
+ else
+ (*endp) += 2;
+ }
}
return result;
}