[Openvortex-dev] Re: [Alsa-devel] Re: [ALSA - driver 0001138]: errors when installing au8820 modules

[Alien]

Op dinsdag 7 juni 2005 17:05, schreef Raymond:
> The patch (diff11.diff) cause segmenation fault on my 32bit machine
> during /etc/init.d/alsasound start
>
> http://savannah.nongnu.org/patch/?func=detailitem&item_id=3948
>
> Do anyone know why readl() and writel() behave different in i386
> (32bits) and AMD64 (64bits) ?
>
> http://sourceforge.net/mailarchive/message.php?msg_id=10773530
>
>
> #ifndef CONFIG_X86_64
>
> #define        hwread(x,y) readl((x)+((y)>>2))
> #define        hwwrite(x,y,z) writel((z),(x)+((y)>>2))
>
> #else
>
> #define        hwread(x,y) readl((x)+(y))
> #define        hwwrite(x,y,z) writel((z),(x)+(y))
>
> #endif

that doesn't look good, unless the mmio is void* in 32bit and unsigned long* 
in x86_64...

'unsigned long* mmio' should be preferred and together with '#define        
hwread(x,y) readl((x)+(y))' , this works for both platforms

> Takashi Iwai wrote:
> > At Mon, 06 Jun 2005 10:09:26 +0800,
> >
> > Raymond wrote:
> >>The au88x0 driver need patch to run on 64-bits platform.
> >>
> >>http://savannah.nongnu.org/patch/?func=detailitem&item_id=3948
> >
> > Could you feed the patch to alsa-devel ML for review?
> > (The addition of Signed-off-by would be preferred, too)
>
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