linux-kernel - Re: [PATCH v3 1/3] leds: simatic-ipc-leds-gpio: move two extra gpio pins into another table

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Date:   Tue, 16 May 2023 00:40:34 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Henning Schild <henning.schild@...mens.com>
Cc:     Pavel Machek <pavel@....cz>, Lee Jones <lee@...nel.org>,
        Hans de Goede <hdegoede@...hat.com>,
        Mark Gross <markgross@...nel.org>,
        linux-kernel@...r.kernel.org, linux-leds@...r.kernel.org,
        platform-driver-x86@...r.kernel.org
Subject: Re: [PATCH v3 1/3] leds: simatic-ipc-leds-gpio: move two extra gpio
 pins into another table

On Mon, May 15, 2023 at 05:03:50PM +0200, Henning Schild wrote:
> There are two special pins needed to init the LEDs. We used to have them
> at the end of the gpiod_lookup table to give to "leds-gpio". A cleaner
> way is to have a dedicated table for the special pins.

...

>  static struct gpiod_lookup_table simatic_ipc_led_gpio_table_127e = {
>  	.dev_id = "leds-gpio",
> @@ -26,6 +27,12 @@ static struct gpiod_lookup_table simatic_ipc_led_gpio_table_127e = {
>  		GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 58, NULL, 3, GPIO_ACTIVE_LOW),
>  		GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 60, NULL, 4, GPIO_ACTIVE_LOW),
>  		GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 51, NULL, 5, GPIO_ACTIVE_LOW),

Missing terminator. I'm wondering how this works...

> +	},
> +};
> +
> +static struct gpiod_lookup_table simatic_ipc_led_gpio_table_127e_extra = {
> +	.dev_id = NULL, /* Filled during initialization */
> +	.table = {
>  		GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 56, NULL, 6, GPIO_ACTIVE_LOW),
>  		GPIO_LOOKUP_IDX("apollolake-pinctrl.0", 59, NULL, 7, GPIO_ACTIVE_HIGH),
>  	},
> @@ -40,9 +47,15 @@ static struct gpiod_lookup_table simatic_ipc_led_gpio_table_227g = {
>  		GPIO_LOOKUP_IDX("gpio-f7188x-2", 3, NULL, 3, GPIO_ACTIVE_LOW),
>  		GPIO_LOOKUP_IDX("gpio-f7188x-2", 4, NULL, 4, GPIO_ACTIVE_LOW),
>  		GPIO_LOOKUP_IDX("gpio-f7188x-2", 5, NULL, 5, GPIO_ACTIVE_LOW),

Ditto.

> +	},
> +};
> +
> +static struct gpiod_lookup_table simatic_ipc_led_gpio_table_227g_extra = {
> +	.dev_id = NULL, /* Filled during initialization */
> +	.table = {
>  		GPIO_LOOKUP_IDX("gpio-f7188x-3", 6, NULL, 6, GPIO_ACTIVE_HIGH),
>  		GPIO_LOOKUP_IDX("gpio-f7188x-3", 7, NULL, 7, GPIO_ACTIVE_HIGH),

Ditto.

> -	}
> +	},
>  };

-- 
With Best Regards,
Andy Shevchenko