mtd: ubi: fix NVMEM over UBI volumes on 32-bit systems
A compiler warning related to sizeof(int) != 8 when calling do_div()
is triggered when building on 32-bit platforms.
Address this by using integer types having a well-defined size.
Fixes: 3ce485803da1 ("mtd: ubi: provide NVMEM layer over UBI volumes")
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Zhihao Cheng <chengzhihao1@huawei.com>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Richard Weinberger <richard@nod.at>
diff --git a/drivers/mtd/ubi/nvmem.c b/drivers/mtd/ubi/nvmem.c
index b7a93c4..8aeb9c4 100644
--- a/drivers/mtd/ubi/nvmem.c
+++ b/drivers/mtd/ubi/nvmem.c
@@ -23,9 +23,12 @@
static int ubi_nvmem_reg_read(void *priv, unsigned int from,
void *val, size_t bytes)
{
- int err = 0, lnum = from, offs, bytes_left = bytes, to_read;
+ size_t to_read, bytes_left = bytes;
struct ubi_nvmem *unv = priv;
struct ubi_volume_desc *desc;
+ uint32_t offs;
+ uint64_t lnum = from;
+ int err = 0;
desc = ubi_open_volume(unv->ubi_num, unv->vol_id, UBI_READONLY);
if (IS_ERR(desc))
