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

Started byIvan Khoronzhuk <ivan.khoronzhuk@linaro.org>
First post2016-08-06 22:20 +0200
Last post2016-08-09 14:10 +0200
Articles 3 — 2 participants

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  [PATCH v2 05/14] net: ethernet: ti: cpsw: don't check slave num in runtime Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org> - 2016-08-06 22:20 +0200
    Re: [PATCH v2 05/14] net: ethernet: ti: cpsw: don't check slave num  in runtime Grygorii Strashko <grygorii.strashko@ti.com> - 2016-08-09 13:40 +0200
      Re: [PATCH v2 05/14] net: ethernet: ti: cpsw: don't check slave num  in runtime Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org> - 2016-08-09 14:10 +0200

#1457317 — [PATCH v2 05/14] net: ethernet: ti: cpsw: don't check slave num in runtime

FromIvan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Date2016-08-06 22:20 +0200
Subject[PATCH v2 05/14] net: ethernet: ti: cpsw: don't check slave num in runtime
Message-ID<s3geC-22d-15@gated-at.bofh.it>
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@linaro.org>
---
 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
 #define cpsw_get_slave_priv(priv, __slave_no__)				\
 	(((__slave_no__ < priv->data.slaves) &&				\
 		(priv->slaves[__slave_no__].ndev)) ?			\
-- 
1.9.1

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#1458622 — Re: [PATCH v2 05/14] net: ethernet: ti: cpsw: don't check slave num in runtime

FromGrygorii Strashko <grygorii.strashko@ti.com>
Date2016-08-09 13:40 +0200
SubjectRe: [PATCH v2 05/14] net: ethernet: ti: cpsw: don't check slave num in runtime
Message-ID<s4dy1-6VH-21@gated-at.bofh.it>
In reply to#1457317
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@linaro.org>
> ---
>  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

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#1458655 — Re: [PATCH v2 05/14] net: ethernet: ti: cpsw: don't check slave num in runtime

FromIvan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Date2016-08-09 14:10 +0200
SubjectRe: [PATCH v2 05/14] net: ethernet: ti: cpsw: don't check slave num in runtime
Message-ID<s4e13-7nY-23@gated-at.bofh.it>
In reply to#1458622

On 09.08.16 14:34, Grygorii Strashko wrote:
> 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@linaro.org>
>> ---
>>  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?
Sure. Will drop it in v3.

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

-- 
Regards,
Ivan Khoronzhuk

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