Re: [PATCH v2 2/7] mfd: tqmx86: clear GPIO IRQ resource when no IRQ is set

From: Andrew Lunn
Date: Fri Jul 02 2021 - 09:52:56 EST

On Fri, Jul 02, 2021 at 02:23:48PM +0200, Matthias Schiffer wrote:
> The driver was registering IRQ 0 when no IRQ was set. This leads to
> warnings with newer kernels.
> Clear the resource flags, so no resource is registered at all in this
> case.
> Fixes: 2f17dd34ffed ("mfd: tqmx86: IO controller with I2C, Wachdog and GPIO")
> Signed-off-by: Matthias Schiffer <matthias.schiffer@xxxxxxxxxxxxxxx>
> ---
> v2: add Fixes line
> Andy recommended to use IORESOURCE_DISABLED instead, but this doesn't
> have any effect for platform_get_irq(), so I'm resubmitting this patch
> without functional changes. Grepping for '\.flags = 0;' shows other
> drivers doing the same.

IORESOURCE_DISABLED seems to have an odd meaning. It seems to be about
ACPI and the resource needs to be enabled before it can be used.

So .flags = 0 seems reasonable.

Reviewed-by: Andrew Lunn <andrew@xxxxxxx>