diff options
| author | Krzysztof Kozlowski <krzk@kernel.org> | 2020-01-03 19:41:58 +0300 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2020-01-09 22:09:05 +0300 |
| commit | 14ebf24175df0f216256c8483ee2974f35a1a89c (patch) | |
| tree | f9b0b0674183bcd102a022ed56434eaf0c6c983a /drivers/mtd | |
| parent | 44f45994f438b4f4e0ba977b173980268983c60f (diff) | |
| download | linux-14ebf24175df0f216256c8483ee2974f35a1a89c.tar.xz | |
mtd: onenand: samsung: Fix iomem access with regular memcpy
The __iomem memory should be copied with memcpy_fromio. This fixes
Sparse warnings like:
drivers/mtd/nand/onenand/samsung_mtd.c:678:40: warning: incorrect type in argument 2 (different address spaces)
drivers/mtd/nand/onenand/samsung_mtd.c:678:40: expected void const *from
drivers/mtd/nand/onenand/samsung_mtd.c:678:40: got void [noderef] <asn:2> *[assigned] p
drivers/mtd/nand/onenand/samsung_mtd.c:679:19: warning: incorrect type in assignment (different address spaces)
drivers/mtd/nand/onenand/samsung_mtd.c:679:19: expected void [noderef] <asn:2> *[assigned] p
drivers/mtd/nand/onenand/samsung_mtd.c:679:19: got unsigned char *
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/onenand/samsung_mtd.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/mtd/nand/onenand/samsung_mtd.c b/drivers/mtd/nand/onenand/samsung_mtd.c index 55e5536a5850..beb7987e4c2b 100644 --- a/drivers/mtd/nand/onenand/samsung_mtd.c +++ b/drivers/mtd/nand/onenand/samsung_mtd.c @@ -675,12 +675,12 @@ static int s5pc110_read_bufferram(struct mtd_info *mtd, int area, normal: if (count != mtd->writesize) { /* Copy the bufferram to memory to prevent unaligned access */ - memcpy(this->page_buf, p, mtd->writesize); - p = this->page_buf + offset; + memcpy_fromio(this->page_buf, p, mtd->writesize); + memcpy(buffer, this->page_buf + offset, count); + } else { + memcpy_fromio(buffer, p, count); } - memcpy(buffer, p, count); - return 0; } |