linux-kernel - Re: [PATCH 1/2] gpio: davinci: Add the missing of-node pointer in the irq_domain_add

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Message-ID: <56AA232D.3040509@ti.com>
Date:	Thu, 28 Jan 2016 16:18:21 +0200
From:	Grygorii Strashko <grygorii.strashko@...com>
To:	Keerthy <j-keerthy@...com>, <linus.walleij@...aro.org>,
	Alexandre Courbot <gnurou@...il.com>
CC:	<linux-gpio@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<lokeshvutla@...com>, Santosh Shilimkar <ssantosh@...nel.org>,
	Sekhar Nori <nsekhar@...com>
Subject: Re: [PATCH 1/2] gpio: davinci: Add the missing of-node pointer in the
 irq_domain_add_legacy function call

On 01/28/2016 03:38 PM, Keerthy wrote:
> Currently the first parameter of irq_domain_add_legacy is NULL.
> irq_find_host function returns NULL when we do not populate the of_node
> and hence irq_of_parse_and_map call fails whenever we want to request a
> gpio irq. This fixes the request_irq failures for gpio interrupts.
>
> Signed-off-by: Keerthy <j-keerthy@...com>

Reviewed-by: Grygorii Strashko <grygorii.strashko@...com>

> ---
>   drivers/gpio/gpio-davinci.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c
> index ec58f42..c889f31 100644
> --- a/drivers/gpio/gpio-davinci.c
> +++ b/drivers/gpio/gpio-davinci.c
> @@ -511,7 +511,7 @@ static int davinci_gpio_irq_setup(struct platform_device *pdev)
>   			return irq;
>   		}
>
> -		irq_domain = irq_domain_add_legacy(NULL, ngpio, irq, 0,
> +		irq_domain = irq_domain_add_legacy(dev->of_node, ngpio, irq, 0,
>   							&davinci_gpio_irq_ops,
>   							chips);
>   		if (!irq_domain) {
>


-- 
regards,
-grygorii