[U-Boot] [PATCH 03/11] dm: spi: Correct status register access width

[Bin Meng]

Hi Simon,

On Sun, Jun 7, 2015 at 10:50 PM, Simon Glass <sjg at chromium.org> wrote:
> The status register is a single byte, so use byte access when writing to it,
> to avoid updating the control register also.
>
> Signed-off-by: Simon Glass <sjg at chromium.org>
> ---
>
>  drivers/spi/ich.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/spi/ich.c b/drivers/spi/ich.c
> index 6b6cfbf..a8b4d0d 100644
> --- a/drivers/spi/ich.c
> +++ b/drivers/spi/ich.c
> @@ -477,7 +477,7 @@ static int ich_spi_xfer(struct udevice *dev, unsigned int bitlen,
>         if (ret < 0)
>                 return ret;
>
> -       ich_writew(ctlr, SPIS_CDS | SPIS_FCERR, ctlr->status);
> +       ich_writeb(ctlr, SPIS_CDS | SPIS_FCERR, ctlr->status);

But for ICH7 the status is 16-bit. Please handle both cases.

>
>         spi_setup_type(trans, using_cmd ? bytes : 0);
>         opcode_index = spi_setup_opcode(ctlr, trans);
> --

Regards,
Bin