[U-Boot] [U-BOOT PATCH] sf: Fix sf read for memory-mapped SPI flashes

[Jagan Teki]

Hi Simon,

Can you please check this change.

Thanks,
Jagan.

On Tue, May 28, 2013 at 1:44 AM, Jagannadha Sutradharudu Teki
<jagannadha.sutradharudu-teki at xilinx.com> wrote:
> Missing return after memcpy is done for memory-mapped SPI flashes,
> hence added retun 0 after memcpy done.
>
> The return is missing in below patch
> "sf: Enable FDT-based configuration and memory mapping"
> (sha1: bb8215f437a7c948eec82a6abe754c226978bd6d)
>
> Signed-off-by: Jagannadha Sutradharudu Teki <jaganna at xilinx.com>
> ---
>  drivers/mtd/spi/spi_flash.c |    4 +++-
>  1 files changed, 3 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c
> index aeb1ccb..1d45e3b 100644
> --- a/drivers/mtd/spi/spi_flash.c
> +++ b/drivers/mtd/spi/spi_flash.c
> @@ -148,8 +148,10 @@ int spi_flash_cmd_read_fast(struct spi_flash *flash, u32 offset,
>         u8 cmd[5];
>
>         /* Handle memory-mapped SPI */
> -       if (flash->memory_map)
> +       if (flash->memory_map) {
>                 memcpy(data, flash->memory_map + offset, len);
> +               return 0;
> +       }
>
>         cmd[0] = CMD_READ_ARRAY_FAST;
>         spi_flash_addr(offset, cmd);
> --
> 1.7.4
>
>



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Thanks,
Jagan.