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

Sergey Shtylyov
2021-12-09T17:25:09Z

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@linux.intel.com>
> ---
> 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