Re: [PATCH 1/1] net:fec: buffer descriptor member variable order in IMX6

From: Zhi Li
Date: Thu Aug 21 2014 - 15:30:24 EST


On Thu, Aug 21, 2014 at 4:21 AM, Zhu Yanjun <zyjzyj2000@xxxxxxxxx> wrote:
> From Reference Manual, freescale IMX6 is little endian mode. Therefore
> the first structure field is length, the second is status.
>
> CC: David Miller <davem@xxxxxxxxxxxxx>
> CC: Frank Li <Frank.Li@xxxxxxxxxxxxx>
> Signed-off-by: Zhu Yanjun <Yanjun.Zhu@xxxxxxxxxxxxx>
> ---
> drivers/net/ethernet/freescale/fec.h | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h
> index 671d080..96a5f8a 100644
> --- a/drivers/net/ethernet/freescale/fec.h
> +++ b/drivers/net/ethernet/freescale/fec.h
> @@ -147,7 +147,8 @@
> /*
> * Define the buffer descriptor structure.
> */
> -#if defined(CONFIG_ARCH_MXC) || defined(CONFIG_SOC_IMX28)
> +#if defined(CONFIG_ARCH_MXC) || defined(CONFIG_SOC_IMX28) || \
> + defined(CONFIG_ARCH_MX6)

CONFIG_ARCH_MXC already included CONFIG_ARCH_MX6
ARCH_MXC included whole MX serial, MX35, MX5x, MX6x.

IMX28 is special, coming from sigmatel chip.

So it is not necessary to add ARCH_MX6


Best regards
Frank Li

> struct bufdesc {
> unsigned short cbd_datlen; /* Data length */
> unsigned short cbd_sc; /* Control and status info */
> --
> 1.9.1
>
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