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

From: Corey Minyard
Date: Thu Feb 13 2020 - 08:02:17 EST


On Thu, Feb 13, 2020 at 09:34:12AM +0100, Takashi Iwai wrote:
> 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@xxxxxxx>
> > Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
>
> Any review / ack on this?

Sorry, lost in the noise. I've included this for 5.7. If you want it
earlier, I can arrange that.

Thanks,

-corey

>
>
> 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
> >