Change return value of read_xfer and write_xfer to allow returning
amount of data transferred and errors as read(2)/write(2) does.
This makes read_xfer/write_xfer inline with read/write hooks.
Inspired-from: Commit 59451e1233bd ("mtd: spi-nor: change return value of
read/write")
Signed-off-by: Rahul Bedarkar <[email protected]>
Cc: David Woodhouse <[email protected]>
Cc: Brian Norris <[email protected]>
Cc: Boris Brezillon <[email protected]>
Cc: Marek Vasut <[email protected]>
Cc: Richard Weinberger <[email protected]>
Cc: Cyrille Pitchen <[email protected]>
---
include/linux/mtd/spi-nor.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h
index 0be3f86..64b4a54 100644
--- a/include/linux/mtd/spi-nor.h
+++ b/include/linux/mtd/spi-nor.h
@@ -223,9 +223,9 @@ struct spi_nor {
int (*prepare)(struct spi_nor *nor, enum spi_nor_ops ops);
void (*unprepare)(struct spi_nor *nor, enum spi_nor_ops ops);
- int (*read_xfer)(struct spi_nor *nor, struct spi_nor_xfer_cfg *cfg,
+ ssize_t (*read_xfer)(struct spi_nor *nor, struct spi_nor_xfer_cfg *cfg,
u8 *buf, size_t len);
- int (*write_xfer)(struct spi_nor *nor, struct spi_nor_xfer_cfg *cfg,
+ ssize_t (*write_xfer)(struct spi_nor *nor, struct spi_nor_xfer_cfg *cfg,
u8 *buf, size_t len);
int (*read_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int len);
int (*write_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int len);
--
2.6.2
