linux-kernel - Re: [PATCH] ipmi_si: Avoid spurious errors for optional IRQs

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Date:   Thu, 13 Feb 2020 09:34:12 +0100
From:   Takashi Iwai <tiwai@...e.de>
To:     Corey Minyard <minyard@....org>
Cc:     Patrick Vo <patrick.vo@....com>,
        openipmi-developer@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ipmi_si: Avoid spurious errors for optional IRQs

On Wed, 05 Feb 2020 10:31:46 +0100,
Takashi Iwai wrote:
> 
> Although the IRQ assignment in ipmi_si driver is optional,
> platform_get_irq() spews error messages unnecessarily:
>   ipmi_si dmi-ipmi-si.0: IRQ index 0 not found
> 
> Fix this by switching to platform_get_irq_optional().
> 
> Fixes: 7723f4c5ecdb ("driver core: platform: Add an error message to platform_get_irq*()")
> Reported-and-tested-by: Patrick Vo <patrick.vo@....com>
> Signed-off-by: Takashi Iwai <tiwai@...e.de>

Any review / ack on this?


thanks,

Takashi

> ---
>  drivers/char/ipmi/ipmi_si_platform.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/char/ipmi/ipmi_si_platform.c b/drivers/char/ipmi/ipmi_si_platform.c
> index c78127ccbc0d..638c693e17ad 100644
> --- a/drivers/char/ipmi/ipmi_si_platform.c
> +++ b/drivers/char/ipmi/ipmi_si_platform.c
> @@ -194,7 +194,7 @@ static int platform_ipmi_probe(struct platform_device *pdev)
>  	else
>  		io.slave_addr = slave_addr;
>  
> -	io.irq = platform_get_irq(pdev, 0);
> +	io.irq = platform_get_irq_optional(pdev, 0);
>  	if (io.irq > 0)
>  		io.irq_setup = ipmi_std_irq_setup;
>  	else
> @@ -378,7 +378,7 @@ static int acpi_ipmi_probe(struct platform_device *pdev)
>  		io.irq = tmp;
>  		io.irq_setup = acpi_gpe_irq_setup;
>  	} else {
> -		int irq = platform_get_irq(pdev, 0);
> +		int irq = platform_get_irq_optional(pdev, 0);
>  
>  		if (irq > 0) {
>  			io.irq = irq;
> -- 
> 2.16.4
>