sorry, ignore this one..
在 2016/12/1 15:41, Majun 写道:
> From: MaJun <majun258@xxxxxxxxxx>
>
> The return value 0 from acpi_register_gsi() means irq mapping failed.
> So, we should process this case in else branch.
>
> Signed-off-by: MaJun <majun258@xxxxxxxxxx>
> ---
> drivers/acpi/resource.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
> index 56241eb..9918326 100644
> --- a/drivers/acpi/resource.c
> +++ b/drivers/acpi/resource.c
> @@ -416,7 +416,7 @@ static void acpi_dev_get_irqresource(struct resource *res, u32 gsi,
>
> res->flags = acpi_dev_irq_flags(triggering, polarity, shareable);
> irq = acpi_register_gsi(NULL, gsi, triggering, polarity);
> - if (irq >= 0) {
> + if (irq > 0) {
> res->start = irq;
> res->end = irq;
> } else {
>
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