[U-Boot] [PATCH] da850/omap-l138: Enable auto negotiation in RMII mode

[Tom Rini]

On Fri, Jun 01, 2012 at 07:04:37PM +0530, Prabhakar Lad wrote:
> From: Rajashekhara, Sudhakar <sudhakar.raj at ti.com>
> 
> On DA850/OMAP-L138 it was observed that in RMII mode,
> auto negotiation was not performed. This patch enables
> auto negotiation in RMII mode. Without this patch, EMAC
> initialization takes more time and sometimes tftp fails
> in RMII mode.
> 
> Signed-off-by: Rajashekhara, Sudhakar <sudhakar.raj at ti.com>
> Signed-off-by: Lad, Prabhakar <prabhakar.lad at ti.com>
> Signed-off-by: Hadli, Manjunath <manjunath.hadli at ti.com>
> ---
>  drivers/net/davinci_emac.c |    5 +++++
>  1 files changed, 5 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c
> index fbd0f1b..9bbd625 100644
> --- a/drivers/net/davinci_emac.c
> +++ b/drivers/net/davinci_emac.c
> @@ -895,5 +895,10 @@ int davinci_emac_initialize(void)
>  		miiphy_register(phy[i].name, davinci_mii_phy_read,
>  						davinci_mii_phy_write);
>  	}
> +
> +#if defined(CONFIG_DRIVER_TI_EMAC_USE_RMII) && \
> +		defined(CONFIG_MACH_DAVINCI_DA850_EVM)
> +	gen_auto_negotiate(active_phy_addr);
> +#endif

Why not just check on CONFIG_DRIVER_TI_EMAC_USE_RMII ?  Would it be
harmful to try and re-auto negotiate on some RMII hardware that already
did it?

-- 
Tom