Re: [PATCH 1/6] wifi: ath9k: Obtain system GPIOS from descriptors

[Andy Shevchenko <andriy.shevchenko@linux.intel.com>]

On Thu, Feb 01, 2024 at 01:20:16PM +0100, Arnd Bergmann wrote:
> On Wed, Jan 31, 2024, at 23:37, Linus Walleij wrote:


FWIW, some nit-picks below.

...

> -	if (ah->led_pin < 0) {
> +	if (AR_SREV_SOC(ah)) {
> +		ah->led_gpio = gpiod_get(ah->dev, "led", 0);
> +		if (IS_ERR(ah->led_gpio))
> +			ah->led_gpio = NULL;

Slightly better to have something like

		desc = gpiod_get_optional();
		if (!IS_ERR(desc))
			led_gpio = desc;


> +	} else if (ah->led_pin < 0) {

...

> +	if (sc->sc_ah->led_gpio)

Dup check

> +		gpiod_put(sc->sc_ah->led_gpio);

...

>  #include "htc.h"
> +#include <linux/gpio/consumer.h>

First to include linux/* ones?

...

> +		ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin,
> +				  (priv->brightness == LED_OFF));

Unnecessary parentheses.

>  }

...

> +	if (AR_SREV_SOC(priv->ah)) {
> +		priv->ah->led_gpio = gpiod_get(priv->ah->dev, "led", 0);
> +		if (IS_ERR(priv->ah->led_gpio))
> +			priv->ah->led_gpio = NULL;

_optional() ?


> +	} else if (AR_SREV_9287(priv->ah))

...

> +	if (ah->led_gpio)

Dup check.

> +		gpiod_set_value(ah->led_gpio, 1);
>  

...

> +	if (ah->led_gpio)

Ditto.

> +		gpiod_set_value(ah->led_gpio, 0);

-- 
With Best Regards,
Andy Shevchenko