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

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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
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