Re: [PATCH v2 05/14] net: ethernet: ti: cpsw: don't check slave num in runtime

From: Grygorii Strashko
Date: Tue Aug 09 2016 - 07:34:24 EST


On 08/06/2016 01:48 PM, Ivan Khoronzhuk wrote:
> No need to check const slave num in runtime for every packet,
> and ndev for slaves w/o ndev is anyway NULL. So remove redundant
> check.
>
> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@xxxxxxxxxx>
> ---
> drivers/net/ethernet/ti/cpsw.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
> index 70a9570..19aa4bb 100644
> --- a/drivers/net/ethernet/ti/cpsw.c
> +++ b/drivers/net/ethernet/ti/cpsw.c
> @@ -498,8 +498,7 @@ static const struct cpsw_stats cpsw_gstrings_stats[] = {
> (func)(slave++, ##arg); \
> } while (0)
> #define cpsw_get_slave_ndev(priv, __slave_no__) \
> - ((__slave_no__ < priv->data.slaves) ? \
> - priv->slaves[__slave_no__].ndev : NULL)
> + priv->slaves[__slave_no__].ndev

So after this change it will be
#define cpsw_get_slave_ndev(priv, __slave_no__) priv->slaves[__slave_no__].ndev

Can we just drop cpsw_get_slave_ndev() macro?

> #define cpsw_get_slave_priv(priv, __slave_no__) \
> (((__slave_no__ < priv->data.slaves) && \
> (priv->slaves[__slave_no__].ndev)) ? \
>


--
regards,
-grygorii