linux-kernel - Re: [PATCH 2/2] pinctrl: nuvoton: Fix irq_of_parse_and

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Message-ID: <b5a7dd3b-53b5-99c0-5107-6f9f4d62bc88@linaro.org>
Date:   Sat, 23 Apr 2022 11:30:28 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Andrew Lunn <andrew@...n.ch>,
        Gregory Clement <gregory.clement@...tlin.com>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Avi Fishman <avifishman70@...il.com>,
        Tomer Maimon <tmaimon77@...il.com>,
        Tali Perry <tali.perry1@...il.com>,
        Patrick Venture <venture@...gle.com>,
        Nancy Yuen <yuenn@...gle.com>,
        Benjamin Fair <benjaminfair@...gle.com>,
        linux-arm-kernel@...ts.infradead.org, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org, openbmc@...ts.ozlabs.org
Subject: Re: [PATCH 2/2] pinctrl: nuvoton: Fix irq_of_parse_and_map() return
 value

On 22/04/2022 12:53, Krzysztof Kozlowski wrote:
> The irq_of_parse_and_map() returns 0 on failure, not a negative ERRNO.
> 
> Fixes: 3b588e43ee5c ("pinctrl: nuvoton: add NPCM7xx pinctrl and GPIO driver")
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> ---
>  drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c b/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
> index 3cf0f8a43c37..6271eac82fec 100644
> --- a/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
> +++ b/drivers/pinctrl/nuvoton/pinctrl-npcm7xx.c
> @@ -1898,7 +1898,7 @@ static int npcm7xx_gpio_of(struct npcm7xx_pinctrl *pctrl)
>  		}
>  
>  		ret = irq_of_parse_and_map(np, 0);
> -		if (ret < 0) {
> +		if (!ret) {
>  			dev_err(dev, "No IRQ for GPIO bank %u\n", id);
>  			return ret;

This is wrong. I will send a v2.


Best regards,
Krzysztof