On Thu, 2007-03-01 at 02:03 -0800, Andrew Morton wrote:
> On Thu, 01 Mar 2007 17:52:48 +0800 "Wu, Bryan" <[EMAIL PROTECTED]> wrote:
>
> > > Please always prefer coding in C over coding in cpp.
> >
> > Yes, it can be writen as a C function.
> > We just follow other implementation in the drivers/net/smc91x.h
> >
> > start at line 1156 of
> > ---
> > #ifndef SMC_GET_MAC_ADDR
> > #define SMC_GET_MAC_ADDR(addr) \
> > do { \
> > unsigned int __v; \
> > __v = SMC_inw( ioaddr, ADDR0_REG ); \
> > addr[0] = __v; addr[1] = __v >> 8; \
> > __v = SMC_inw( ioaddr, ADDR1_REG ); \
> > addr[2] = __v; addr[3] = __v >> 8; \
> > __v = SMC_inw( ioaddr, ADDR2_REG ); \
> > addr[4] = __v; addr[5] = __v >> 8; \
> > } while (0)
> > #endif
> > _
>
> Please don't treat ghastly old driver code as a model for new kernel code.
>
> > If you think this is necessary, we may rewrite it in C function.
>
> hm, well, if it's copied and pasted from somewhere else then there is some
> merit in leaving it as it is.
>
> It would of course be better to pull it out into a shared header file, avoid
> the
> duplication.
Exactly, this is a better solution. Because smc91x driver is widely used
in embedded linux world, we just want to add our arch support into this
common driver.
Maybe Nico can help us on this.
Thanks
-Bryan Wu
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