On Fri, May 18, 2018 at 09:30:18PM +0300, Sergei Shtylyov wrote:
> The R-Car V3H (AKA R8A77980) GEther controller  adds support for the RGMII
> PHY interface mode as a new  value  for the RMII_MII register.
> 
> Based on the original (and large) patch by Vladimir Barinov.
> 
> Signed-off-by: Vladimir Barinov <[email protected]>
> Signed-off-by: Sergei Shtylyov <[email protected]>
> 
> ---
> Changes in version 2:
> - included PHY_INTERFACE_MODE_RGMII_{|RX|TX}ID in the RGMII *case*.
> 
>  drivers/net/ethernet/renesas/sh_eth.c |    3 +++
>  1 file changed, 3 insertions(+)
> 
> Index: net-next/drivers/net/ethernet/renesas/sh_eth.c
> ===================================================================
> --- net-next.orig/drivers/net/ethernet/renesas/sh_eth.c
> +++ net-next/drivers/net/ethernet/renesas/sh_eth.c
> @@ -466,6 +466,9 @@ static void sh_eth_select_mii(struct net
>       u32 value;
>  
>       switch (mdp->phy_interface) {
> +     case PHY_INTERFACE_MODE_RGMII ... PHY_INTERFACE_MODE_RGMII_TXID:
> +             value = 0x3;
> +             break;

Ah, your don't see that form used very often.
I just checked, clang/llvm should also support it.

Reviewed-by: Andrew Lunn <[email protected]>

    Andrew

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