[U-Boot] [patch] rm9200 ethernet driver: board-specific quirk (csb337)

Jean-Christophe PLAGNIOL-VILLARD plagnioj at jcrosoft.com
Sat Jun 13 14:28:23 CEST 2009


On 04:13 Sat 13 Jun     , David Brownell wrote:
> On Saturday 13 June 2009, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > > 
> > > The machine_is_X() macros are automatically #ifdeffed in
> > > the header; no size impact.  Read <asm/mach-types.h> ...
> >
> > If I use this pacth on the rm9200ek the u-boot.bin size will increase
> > for nothing
> 
> I'm not following you.  The lines are:
> 
> 
> #ifdef CONFIG_MACH_CSB337
> # ifdef machine_arch_type
> #  undef machine_arch_type
> #  define machine_arch_type     __machine_arch_type
> # else
> #  define machine_arch_type     MACH_TYPE_CSB337
> # endif
> # define machine_is_csb337()    (machine_arch_type == MACH_TYPE_CSB337)
> #else
> # define machine_is_csb337()    (0)
> #endif
> 
> ... and similar for EK.  The csb337 config file sets CONFIG_MACH_CSB337,
> and nothing else does.  Result:  on rm9200ek, that test becomes if(0),
> while on csb337 it becomes if (X == X), where X == MACH_TYPE_CSB337.
> 
> 
> > If I was able to detect dynamicly on which board I will run ok
> > but it's not the case here
> > so please use
> > #ifdef CONFIG_MACH_xxx
> > #else
> > #endif
> 
> See above.  There already *IS* such an #ifdef, but it's just not
> cluttering up the guts of that driver.
you adding MUST have NO size impact on other board

if we apply you code as it we will increase the size of u-boot for every
rm9200 board that use the ethernet

so please do the ifdef on the ether driver

Best Regards,
J.


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