Re: [PATCH v1 1/2] ata: libahci_platform: Get rid of dup message when IRQ can't be retrieved

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On 12/9/21 5:59 PM, Andy Shevchenko wrote:

> platform_get_irq() will print a message when it fails.
> No need to repeat this.
> 
> While at it, drop redundant check for 0 as platform_get_irq() spills
> out a big WARN() in such case.

   And? IRQ0 is still returned! :-(

> Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> ---
>  drivers/ata/libahci_platform.c | 7 +------
>  1 file changed, 1 insertion(+), 6 deletions(-)
> 
> diff --git a/drivers/ata/libahci_platform.c b/drivers/ata/libahci_platform.c
> index 0910441321f7..1af642c84e7b 100644
> --- a/drivers/ata/libahci_platform.c
> +++ b/drivers/ata/libahci_platform.c
> @@ -579,13 +579,8 @@ int ahci_platform_init_host(struct platform_device *pdev,
>  	int i, irq, n_ports, rc;
>  
>  	irq = platform_get_irq(pdev, 0);
> -	if (irq < 0) {
> -		if (irq != -EPROBE_DEFER)
> -			dev_err(dev, "no irq\n");
> +	if (irq < 0)
>  		return irq;
> -	}
> -	if (!irq)
> -		return -EINVAL;

   This is prermature -- let's wait till my patch that stops returning IRQ0 from
platform_get_irq() and friends gets merged....

MBR, Sergey



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