Re: [PATCH 5/5] ACPI: Replace irqdomain.h include with struct declarations

[Rafael J. Wysocki]

On Wed, Apr 5, 2023 at 6:48 PM Rob Herring <robh@xxxxxxxxxx> wrote:
>
> On Wed, Apr 5, 2023 at 9:59 AM Rafael J. Wysocki <rafael@xxxxxxxxxx> wrote:
> >
> > Hi Rob,
> >
> > On Wed, Mar 29, 2023 at 11:21 PM Rob Herring <robh@xxxxxxxxxx> wrote:
> > >
> > > linux/acpi.h includes irqdomain.h which includes of.h. Break the include
> > > chain by replacing the irqdomain include with forward declarations for
> > > struct irq_domain and irq_domain_ops which is sufficient for acpi.h.
> > >
> > > Cc: Marc Zyngier <maz@xxxxxxxxxx>
> > > Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
> > > ---
> > >  include/linux/acpi.h | 4 +++-
> > >  1 file changed, 3 insertions(+), 1 deletion(-)
> > >
> > > diff --git a/include/linux/acpi.h b/include/linux/acpi.h
> > > index efff750f326d..169c17c0b0dc 100644
> > > --- a/include/linux/acpi.h
> > > +++ b/include/linux/acpi.h
> > > @@ -10,12 +10,14 @@
> > >
> > >  #include <linux/errno.h>
> > >  #include <linux/ioport.h>      /* for struct resource */
> > > -#include <linux/irqdomain.h>
> > >  #include <linux/resource_ext.h>
> > >  #include <linux/device.h>
> > >  #include <linux/property.h>
> > >  #include <linux/uuid.h>
> > >
> > > +struct irq_domain;
> > > +struct irq_domain_ops;
> > > +
> > >  #ifndef _LINUX
> > >  #define _LINUX
> > >  #endif
> > >
> > > --
> >
> > This causes build issues in linux-next, so I've dropped the series.  I
> > will be happy to pick it up again when the build issues are addressed,
> > though.
>
> Is it just the one in pata_macio.c or are there others you are aware of?

I'm aware of a few:

https://lore.kernel.org/lkml/20230403201801.02839c9a@xxxxxxxxxxxxxxxx/
https://lore.kernel.org/lkml/20230403112514.47ff91bb@xxxxxxxxxxxxxxxx/
https://lore.kernel.org/lkml/20230403111605.7658ec62@xxxxxxxxxxxxxxxx/
https://lore.kernel.org/lkml/20230403110650.6b13cb71@xxxxxxxxxxxxxxxx/