Re: [PATCH 1/1] ipw2200, fix ipw io functions

From: Zhu Yi
Date: Fri Feb 13 2009 - 03:53:25 EST


On Fri, 2009-02-13 at 16:23 +0800, Jiri Slaby wrote:
> On 02/13/2009 01:49 AM, Zhu Yi wrote:
> > On Fri, 2009-02-13 at 05:29 +0800, Jiri Slaby wrote:
> >> /* alias to 8-bit direct read (low 4K of SRAM/regs), with debug
> >> wrapper */
> >> -#define ipw_read8(ipw, ofs) __ipw_read8(__FILE__, __LINE__, ipw, ofs)
> >> +#define ipw_read8(ipw, ofs) ({ \
> >> + IPW_DEBUG_IO("%s %d: read_direct8(0x%08X)\n", __FILE__, __LINE__, \
> >> + (u32)(ofs)); \
> >> + _ipw_read8(ipw, ofs); \
> >> +})
> >
> > Please put a do {} while(0) for this and some of below macros as well.
>
> This is impossible, reads need to return a value...

Right.

Acked-by: Zhu Yi <yi.zhu@xxxxxxxxx>

Thanks,
-yi

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