Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
include/linux/mtd/mtd.h | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 39ee992..01980f3 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -15,6 +15,7 @@
#include <linux/types.h>
#include <linux/list.h>
#include <linux/mtd/mtd-abi.h>
+#include <asm-generic/div64.h>
#define MTD_CHAR_MAJOR 90
#define MTD_BLOCK_MAJOR 31
@@ -211,7 +212,16 @@ struct mtd_info {
char *size_str;
};
+static inline uint32_t mtd_div_by_eb(uint64_t sz, struct mtd_info *mtd)
+{
+ do_div(sz, mtd->erasesize);
+ return sz;
+}
+static inline uint32_t mtd_mod_by_eb(uint64_t sz, struct mtd_info *mtd)
+{
+ return do_div(sz, mtd->erasesize);
+}
/* Kernel-side ioctl definitions */
extern int add_mtd_device(struct mtd_info *mtd);
--
1.7.1
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