On Monday, August 03, 2015 at 08:39:01 PM, Michal Suchanek wrote:
> Change the return value of spi-nor device read and write methods to
> allow returning amount of data transferred and errors as
> read(2)/write(2) does.
>
> Signed-off-by: Michal Suchanek <hramr...@gmail.com>
> ---
> 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 e540952..7d782cb 100644
> --- a/include/linux/mtd/spi-nor.h
> +++ b/include/linux/mtd/spi-nor.h
> @@ -185,9 +185,9 @@ struct spi_nor {
> int (*write_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int len,
> int write_enable);
>
> - int (*read)(struct spi_nor *nor, loff_t from,
> + ssize_t (*read)(struct spi_nor *nor, loff_t from,
> size_t len, size_t *retlen, u_char *read_buf);
> - void (*write)(struct spi_nor *nor, loff_t to,
> + ssize_t (*write)(struct spi_nor *nor, loff_t to,
> size_t len, size_t *retlen, const u_char *write_buf);
> int (*erase)(struct spi_nor *nor, loff_t offs);
You realize that if someone does bisect and has only this patch applied,
the compiler will complain loudly about mismatching data types, right ? :)
Best regards,
Marek Vasut
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