[U-Boot] gcc-4.6 warnings

[Mike Frysinger]

On Wednesday, August 24, 2011 14:29:43 Kumar Gala wrote:
> We get a bunch of warnings like this with gcc-4.6.x:
> 
> e1000.c:4334:3: warning: variable 'x' set but not used
> [-Wunused-but-set-variable]
> 
> Are we get with adding -Wunused-but-set-variable so they don't show up?

in general, i like this new warning as it tends to catch variables that are 
dead.  i wonder why the e1000 driver has this indirection in the first place.  
simply calling readl() without using the return value shouldnt cause warnings 
or DCE ...
-mike
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