[PATCH v5 4/9] phy: phy-can-transceiver: Drop the gpio desc check

Peng Fan posted 9 patches 4 weeks ago
There is a newer version of this series
[PATCH v5 4/9] phy: phy-can-transceiver: Drop the gpio desc check
Posted by Peng Fan 4 weeks ago
gpiod_set_value_cansleep has an internal check on gpio_desc using
'VALIDATE_DESC(desc)', the check before invoking gpiod_set_value_cansleep
could be removed.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
 drivers/phy/phy-can-transceiver.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

diff --git a/drivers/phy/phy-can-transceiver.c b/drivers/phy/phy-can-transceiver.c
index f06b1df76ada023f432dce892c3346f45397ab54..b7d75a78d9242e2003660a87d2d4c9f784aea523 100644
--- a/drivers/phy/phy-can-transceiver.c
+++ b/drivers/phy/phy-can-transceiver.c
@@ -46,10 +46,8 @@ static int can_transceiver_phy_power_on(struct phy *phy)
 			return ret;
 		}
 	}
-	if (can_transceiver_phy->standby_gpio)
-		gpiod_set_value_cansleep(can_transceiver_phy->standby_gpio, 0);
-	if (can_transceiver_phy->enable_gpio)
-		gpiod_set_value_cansleep(can_transceiver_phy->enable_gpio, 1);
+	gpiod_set_value_cansleep(can_transceiver_phy->standby_gpio, 0);
+	gpiod_set_value_cansleep(can_transceiver_phy->enable_gpio, 1);
 
 	return 0;
 }
@@ -59,10 +57,8 @@ static int can_transceiver_phy_power_off(struct phy *phy)
 {
 	struct can_transceiver_phy *can_transceiver_phy = phy_get_drvdata(phy);
 
-	if (can_transceiver_phy->standby_gpio)
-		gpiod_set_value_cansleep(can_transceiver_phy->standby_gpio, 1);
-	if (can_transceiver_phy->enable_gpio)
-		gpiod_set_value_cansleep(can_transceiver_phy->enable_gpio, 0);
+	gpiod_set_value_cansleep(can_transceiver_phy->standby_gpio, 1);
+	gpiod_set_value_cansleep(can_transceiver_phy->enable_gpio, 0);
 	if (can_transceiver_phy->priv->mux_state)
 		mux_state_deselect(can_transceiver_phy->priv->mux_state);
 

-- 
2.37.1
Re: [PATCH v5 4/9] phy: phy-can-transceiver: Drop the gpio desc check
Posted by Frank Li 4 weeks ago
On Thu, Sep 04, 2025 at 04:36:47PM +0800, Peng Fan wrote:
> gpiod_set_value_cansleep has an internal check on gpio_desc using
> 'VALIDATE_DESC(desc)', the check before invoking gpiod_set_value_cansleep
> could be removed.
>
> Signed-off-by: Peng Fan <peng.fan@nxp.com>

Reviewed-by: Frank Li <Frank.Li@nxp.com>

> ---
>  drivers/phy/phy-can-transceiver.c | 12 ++++--------
>  1 file changed, 4 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/phy/phy-can-transceiver.c b/drivers/phy/phy-can-transceiver.c
> index f06b1df76ada023f432dce892c3346f45397ab54..b7d75a78d9242e2003660a87d2d4c9f784aea523 100644
> --- a/drivers/phy/phy-can-transceiver.c
> +++ b/drivers/phy/phy-can-transceiver.c
> @@ -46,10 +46,8 @@ static int can_transceiver_phy_power_on(struct phy *phy)
>  			return ret;
>  		}
>  	}
> -	if (can_transceiver_phy->standby_gpio)
> -		gpiod_set_value_cansleep(can_transceiver_phy->standby_gpio, 0);
> -	if (can_transceiver_phy->enable_gpio)
> -		gpiod_set_value_cansleep(can_transceiver_phy->enable_gpio, 1);
> +	gpiod_set_value_cansleep(can_transceiver_phy->standby_gpio, 0);
> +	gpiod_set_value_cansleep(can_transceiver_phy->enable_gpio, 1);
>
>  	return 0;
>  }
> @@ -59,10 +57,8 @@ static int can_transceiver_phy_power_off(struct phy *phy)
>  {
>  	struct can_transceiver_phy *can_transceiver_phy = phy_get_drvdata(phy);
>
> -	if (can_transceiver_phy->standby_gpio)
> -		gpiod_set_value_cansleep(can_transceiver_phy->standby_gpio, 1);
> -	if (can_transceiver_phy->enable_gpio)
> -		gpiod_set_value_cansleep(can_transceiver_phy->enable_gpio, 0);
> +	gpiod_set_value_cansleep(can_transceiver_phy->standby_gpio, 1);
> +	gpiod_set_value_cansleep(can_transceiver_phy->enable_gpio, 0);
>  	if (can_transceiver_phy->priv->mux_state)
>  		mux_state_deselect(can_transceiver_phy->priv->mux_state);
>
>
> --
> 2.37.1
>