Re: PCI Cleanup

Greg KH (gregkh@us.ibm.com)
Thu, 22 Aug 2002 08:42:13 -0700


On Thu, Aug 22, 2002 at 12:11:41PM +0200, Gérard Roudier wrote:
>
>
> On Wed, 21 Aug 2002, Hanna Linder wrote:
>
> > Here is the first part of the sh port of the pci_ops
> > changes. If anyone can compile this for Sega let me
> > know if there are any problems.
>
> The 'val' pointer is declared 'u32 *', then casted 'u8 *' or 'u16 *' if
> needed. The compiler will not warn you. But user that wants to operate on
> u8 or u16 has to cast the 'val' argument to 'u32 *' and should get a
> warning from any decent C compiler. The normal C-way for such
> 'sorry-typed' argument is 'void *val', IMO.

We are filling up a u32 here (see the previous patches), so leaving this
as a u32 * and casting for the other sizes makes sense in this
situation.

thanks,

greg k-h
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