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* [PATCH] pinctrl: rockchip: Simplify for loop iteration
@ 2013-08-21  2:28 Axel Lin
  2013-08-21 22:32 ` Linus Walleij
  2013-08-22  9:01 ` Heiko Stübner
  0 siblings, 2 replies; 3+ messages in thread
From: Axel Lin @ 2013-08-21  2:28 UTC (permalink / raw)
  To: Linus Walleij; +Cc: Heiko Stübner, linux-kernel

Just return once a match found makes the code simpler and shorter.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
 drivers/pinctrl/pinctrl-rockchip.c | 21 ++++++---------------
 1 file changed, 6 insertions(+), 15 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
index c22457d..64ad0c0 100644
--- a/drivers/pinctrl/pinctrl-rockchip.c
+++ b/drivers/pinctrl/pinctrl-rockchip.c
@@ -167,18 +167,14 @@ static const inline struct rockchip_pin_group *pinctrl_name_to_group(
 					const struct rockchip_pinctrl *info,
 					const char *name)
 {
-	const struct rockchip_pin_group *grp = NULL;
 	int i;
 
 	for (i = 0; i < info->ngroups; i++) {
-		if (strcmp(info->groups[i].name, name))
-			continue;
-
-		grp = &info->groups[i];
-		break;
+		if (!strcmp(info->groups[i].name, name))
+			return &info->groups[i];
 	}
 
-	return grp;
+	return NULL;
 }
 
 /*
@@ -204,17 +200,12 @@ static struct rockchip_pin_bank *bank_num_to_bank(
 	struct rockchip_pin_bank *b = info->ctrl->pin_banks;
 	int i;
 
-	for (i = 0; i < info->ctrl->nr_banks; i++) {
+	for (i = 0; i < info->ctrl->nr_banks; i++, b++) {
 		if (b->bank_num == num)
-			break;
-
-		b++;
+			return b;
 	}
 
-	if (b->bank_num != num)
-		return ERR_PTR(-EINVAL);
-
-	return b;
+	return ERR_PTR(-EINVAL);
 }
 
 /*
-- 
1.8.1.2




^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] pinctrl: rockchip: Simplify for loop iteration
  2013-08-21  2:28 [PATCH] pinctrl: rockchip: Simplify for loop iteration Axel Lin
@ 2013-08-21 22:32 ` Linus Walleij
  2013-08-22  9:01 ` Heiko Stübner
  1 sibling, 0 replies; 3+ messages in thread
From: Linus Walleij @ 2013-08-21 22:32 UTC (permalink / raw)
  To: Axel Lin; +Cc: Heiko Stübner, linux-kernel@vger.kernel.org

On Wed, Aug 21, 2013 at 4:28 AM, Axel Lin <axel.lin@ingics.com> wrote:

> Just return once a match found makes the code simpler and shorter.
>
> Signed-off-by: Axel Lin <axel.lin@ingics.com>

Obviously correct, and elegant so patch applied.

Yours,
Linus Walleij

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] pinctrl: rockchip: Simplify for loop iteration
  2013-08-21  2:28 [PATCH] pinctrl: rockchip: Simplify for loop iteration Axel Lin
  2013-08-21 22:32 ` Linus Walleij
@ 2013-08-22  9:01 ` Heiko Stübner
  1 sibling, 0 replies; 3+ messages in thread
From: Heiko Stübner @ 2013-08-22  9:01 UTC (permalink / raw)
  To: Axel Lin; +Cc: Linus Walleij, linux-kernel

Am Mittwoch, 21. August 2013, 04:28:50 schrieb Axel Lin:
> Just return once a match found makes the code simpler and shorter.
> 
> Signed-off-by: Axel Lin <axel.lin@ingics.com>

as I'm a bit late for an Ack it seems, I can only offer a thanks for making 
this nicer :-)


Heiko


> ---
>  drivers/pinctrl/pinctrl-rockchip.c | 21 ++++++---------------
>  1 file changed, 6 insertions(+), 15 deletions(-)
> 
> diff --git a/drivers/pinctrl/pinctrl-rockchip.c
> b/drivers/pinctrl/pinctrl-rockchip.c index c22457d..64ad0c0 100644
> --- a/drivers/pinctrl/pinctrl-rockchip.c
> +++ b/drivers/pinctrl/pinctrl-rockchip.c
> @@ -167,18 +167,14 @@ static const inline struct rockchip_pin_group
> *pinctrl_name_to_group( const struct rockchip_pinctrl *info,
>  					const char *name)
>  {
> -	const struct rockchip_pin_group *grp = NULL;
>  	int i;
> 
>  	for (i = 0; i < info->ngroups; i++) {
> -		if (strcmp(info->groups[i].name, name))
> -			continue;
> -
> -		grp = &info->groups[i];
> -		break;
> +		if (!strcmp(info->groups[i].name, name))
> +			return &info->groups[i];
>  	}
> 
> -	return grp;
> +	return NULL;
>  }
> 
>  /*
> @@ -204,17 +200,12 @@ static struct rockchip_pin_bank *bank_num_to_bank(
>  	struct rockchip_pin_bank *b = info->ctrl->pin_banks;
>  	int i;
> 
> -	for (i = 0; i < info->ctrl->nr_banks; i++) {
> +	for (i = 0; i < info->ctrl->nr_banks; i++, b++) {
>  		if (b->bank_num == num)
> -			break;
> -
> -		b++;
> +			return b;
>  	}
> 
> -	if (b->bank_num != num)
> -		return ERR_PTR(-EINVAL);
> -
> -	return b;
> +	return ERR_PTR(-EINVAL);
>  }
> 
>  /*


^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2013-08-22  9:01 UTC | newest]

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2013-08-21  2:28 [PATCH] pinctrl: rockchip: Simplify for loop iteration Axel Lin
2013-08-21 22:32 ` Linus Walleij
2013-08-22  9:01 ` Heiko Stübner

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