Re: [PATCH v2] platform: use fwnode_irq_get_byname instead of of_irq_get_byname to get irq

From: Greg Kroah-Hartman
Date: Fri Nov 11 2022 - 03:52:20 EST


On Fri, Nov 11, 2022 at 08:30:46AM +0000, Soha Jin wrote:
> > -----Original Message-----
> > From: Soha Jin <soha@xxxxxxxxx>
> > Sent: Saturday, October 29, 2022 12:41 AM
> >
> > Not only platform devices described by OF have named interrupts, but
> > devices described by ACPI also have named interrupts. The fwnode is an
> > abstraction to different standards, and using fwnode_irq_get_byname can
> > support more devices.
> >
> > Moreover, when CONFIG_OF_IRQ is not enabled, there will be a stub method
> > always returning 0, the if statement can be removed safely.
> >
> > Signed-off-by: Soha Jin <soha@xxxxxxxxx>
> > Tested-by: Wende Tan <twd2.me@xxxxxxxxx>
> > ---
> > drivers/base/platform.c | 8 +++-----
> > 1 file changed, 3 insertions(+), 5 deletions(-)
> >
> > diff --git a/drivers/base/platform.c b/drivers/base/platform.c index
> > 51bb2289865c..6cd7fd478c5f 100644
> > --- a/drivers/base/platform.c
> > +++ b/drivers/base/platform.c
> > @@ -441,11 +441,9 @@ static int __platform_get_irq_byname(struct
> > platform_device *dev,
> > struct resource *r;
> > int ret;
> >
> > - if (IS_ENABLED(CONFIG_OF_IRQ) && dev->dev.of_node) {
> > - ret = of_irq_get_byname(dev->dev.of_node, name);
> > - if (ret > 0 || ret == -EPROBE_DEFER)
> > - return ret;
> > - }
> > + ret = fwnode_irq_get_byname(dev_fwnode(&dev->dev), name);
> > + if (ret > 0 || ret == -EPROBE_DEFER)
> > + return ret;
> >
> > r = platform_get_resource_byname(dev, IORESOURCE_IRQ, name);
> > if (r) {
> > --
> > 2.30.2
> >
>
> Hello Greg,
>
> I noticed the original patch is merged into -next branch, but as I said in
> the mail yesterday (maybe you did not see it), I already composed a v2
> patch 2 weeks ago. Except the formatting fix, this patch also removed a
> useless if-branch.
>
> Are there any chance to correct this mistake?

Please submit a fixup patch, sorry, I can't rebase that branch now.

greg k-h