Re: [PATCH v2 02/14] net: ethernet: ti: cpsw: remove redundant check in napi poll

From: Grygorii Strashko
Date: Tue Aug 09 2016 - 07:30:08 EST


On 08/06/2016 01:48 PM, Ivan Khoronzhuk wrote:
> No need to check number of handled packets, when in most cases (> 99%)
> it's not 0. It can be 0 only in rare cases, even in this case
> it's not bad to print just 0.
>
> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@xxxxxxxxxx>
> ---
> drivers/net/ethernet/ti/cpsw.c | 8 ++------
> 1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
> index 8972bf6..85ee9f5 100644
> --- a/drivers/net/ethernet/ti/cpsw.c
> +++ b/drivers/net/ethernet/ti/cpsw.c
> @@ -793,9 +793,7 @@ static int cpsw_tx_poll(struct napi_struct *napi_tx, int budget)
> }
> }
>
> - if (num_tx)
> - cpsw_dbg(priv, intr, "poll %d tx pkts\n", num_tx);
> -
> + cpsw_dbg(priv, intr, "poll %d tx pkts\n", num_tx);

I think, this dbg log can be just dropped as it seems not very useful.
This also will allow to drop patch [PATCH v2 12/14] net: ethernet: ti: cpsw: fix int dbg message

> return num_tx;
> }
>
> @@ -814,9 +812,7 @@ static int cpsw_rx_poll(struct napi_struct *napi_rx, int budget)
> }
> }
>
> - if (num_rx)
> - cpsw_dbg(priv, intr, "poll %d rx pkts\n", num_rx);
> -
> + cpsw_dbg(priv, intr, "poll %d rx pkts\n", num_rx);

Same here.

> return num_rx;
> }
>
>


--
regards,
-grygorii