Re: [PATCH 14/63] i8254: Rename TYPE_I8254 to TYPE_PIT

[Eduardo Habkost <ehabkost@redhat.com>]

On Thu, Sep 03, 2020 at 05:44:29PM +0100, Daniel P. Berrangé wrote:
> On Thu, Sep 03, 2020 at 12:18:09PM -0400, Eduardo Habkost wrote:
> > On Thu, Sep 03, 2020 at 02:47:03PM +0200, Philippe Mathieu-Daudé wrote:
> > > On 9/3/20 12:42 AM, Eduardo Habkost wrote:
> > > > This will make the type name constant consistent with the name of
> > > > the type checking macro.
> > > > 
> > > > Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
> > > > ---
> > > > Cc: "Michael S. Tsirkin" <mst@redhat.com>
> > > > Cc: Paolo Bonzini <pbonzini@redhat.com>
> > > > Cc: qemu-devel@nongnu.org
> > > > ---
> > > >  include/hw/timer/i8254.h | 4 ++--
> > > >  hw/timer/i8254.c         | 4 ++--
> > > >  2 files changed, 4 insertions(+), 4 deletions(-)
> > > > 
> > > > diff --git a/include/hw/timer/i8254.h b/include/hw/timer/i8254.h
> > > > index 1a522a2457..ddd925074f 100644
> > > > --- a/include/hw/timer/i8254.h
> > > > +++ b/include/hw/timer/i8254.h
> > > > @@ -45,7 +45,7 @@ typedef struct PITCommonClass PITCommonClass;
> > > >  DECLARE_OBJ_CHECKERS(PITCommonState, PITCommonClass,
> > > >                       PIT_COMMON, TYPE_PIT_COMMON)
> > > >  
> > > > -#define TYPE_I8254 "isa-pit"
> > > > +#define TYPE_PIT "isa-pit"
> > > 
> > > I disagree with this patch, as we have various PIT and only one I8254.
> > 
> > I was unsure about this, and I agree with your point.  I will
> > suggest renaming the PIT macro to I8254 instead.
> 
> IMHO the macro name should be directly related to the object name
> string with non-alnum characters replaced by underscore.
> 
> ie since the object type is "isa-pit", then the macro should be
> TYPE_ISA_PIT

I think that's a good idea in this specific case because it's a
short name (I will do it).  But I don't think we'll be able to
always follow that rule, as the QOM type name is user-visible.

-- 
Eduardo