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Date: Thu, 11 Nov 2010 11:14:42 +0100
From: Gerd Hoffmann <kraxel@redhat.com>
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Subject: [Qemu-devel] Re: [PATCHv3 03/14] Keep track of ISA ports ISA device
 is using in qdev.
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To: Gleb Natapov <gleb@redhat.com>
Cc: kvm@vger.kernel.org, mst@redhat.com, qemu-devel@nongnu.org, armbru@redhat.com, blauwirbel@gmail.com, alex.williamson@redhat.com

   Hi,

>       register_ioport_write (s->port, 1, 1, gus_writeb, s);
>       register_ioport_write (s->port, 1, 2, gus_writew, s);
> +    isa_init_ioport_range(dev, s->port, 2);
>
>       register_ioport_read ((s->port + 0x100)&  0xf00, 1, 1, gus_readb, s);
>       register_ioport_read ((s->port + 0x100)&  0xf00, 1, 2, gus_readw, s);
> +    isa_init_ioport_range(dev, (s->port + 0x100)&  0xf00, 2);
>
>       register_ioport_write (s->port + 6, 10, 1, gus_writeb, s);
>       register_ioport_write (s->port + 6, 10, 2, gus_writew, s);
>       register_ioport_read (s->port + 6, 10, 1, gus_readb, s);
>       register_ioport_read (s->port + 6, 10, 2, gus_readw, s);
> +    isa_init_ioport_range(dev, s->port + 6, 10);
>
>
>       register_ioport_write (s->port + 0x100, 8, 1, gus_writeb, s);
>       register_ioport_write (s->port + 0x100, 8, 2, gus_writew, s);
>       register_ioport_read (s->port + 0x100, 8, 1, gus_readb, s);
>       register_ioport_read (s->port + 0x100, 8, 2, gus_readw, s);
> +    isa_init_ioport_range(dev, s->port + 0x100, 8);

Seeing all the duplication here and elsewhere ...

How about moving the register_ioport_{read,write} calls into 
isa_init_ioport_range() ?

cheers,
   Gerd