Re: [net-next PATCH v2 03/10] net: netcp: ethss: make call to gbe_sgmii_config() conditional

From: Murali Karicheri
Date: Tue Mar 27 2018 - 15:18:49 EST


On 03/27/2018 01:13 PM, Andrew Lunn wrote:
> On Tue, Mar 27, 2018 at 12:31:42PM -0400, Murali Karicheri wrote:
>> As a preparatory patch to add support for 2u cpsw hardware found on
>> K2G SoC, make call to gbe_sgmii_config() conditional. This is required
>> since 2u uses RGMII interface instead of SGMII and to allow for driver
>> re-use.
>>
>> Signed-off-by: Murali Karicheri <m-karicheri2@xxxxxx>
>> ---
>> drivers/net/ethernet/ti/netcp_ethss.c | 7 +++++--
>> 1 file changed, 5 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/net/ethernet/ti/netcp_ethss.c b/drivers/net/ethernet/ti/netcp_ethss.c
>> index 56dbc0b..1dea891 100644
>> --- a/drivers/net/ethernet/ti/netcp_ethss.c
>> +++ b/drivers/net/ethernet/ti/netcp_ethss.c
>> @@ -2271,7 +2271,8 @@ static int gbe_slave_open(struct gbe_intf *gbe_intf)
>>
>> void (*hndlr)(struct net_device *) = gbe_adjust_link;
>>
>> - gbe_sgmii_config(priv, slave);
>> + if ((priv->ss_version == GBE_SS_VERSION_14) || IS_SS_ID_NU(priv))
>> + gbe_sgmii_config(priv, slave);
>
> Hi Murali
>
> So you have:
>
> #define IS_SS_ID_NU(d) \
> (GBE_IDENT((d)->ss_version) == GBE_SS_ID_NU)
>
>
> Does version 14 have a name? Could you add another IS_SS_ID_XX(d)
> macro for it? That would make these statements more consistent.
>
unfortunately not being the first version :)

Probably we can add

#define IS_SS_ID_VER_14(d) \
(GBE_IDENT((d)->ss_version) == GBE_SS_VERSION_14)

and replace all instances of (priv->ss_version == GBE_SS_VERSION_14) with
if (IS_SS_ID_VER_14(priv)) or equivalent.


> Andrew
>


--
Murali Karicheri
Linux Kernel, Keystone