Re: build failure of next-20221005 due to 4078ec1ef5ed ("LoongArch: Use TLB for ioremap()")

[Xi Ruoyao]

Hi Huacai,

Try:

#define iounmap(addr) ((void)(addr))

This is how we normally silence an unused variable or parameter warning.
Not sure if the kernel uses the same convention though.

On Wed, 2022-10-05 at 13:54 +0100, Sudip Mukherjee wrote:
> On Wed, Oct 5, 2022 at 1:30 PM Huacai Chen <chenhuacai@xxxxxxxxxx>
> wrote:
> > 
> > Hi, Sudip,
> > 
> > This seems a false positive. When the implementation of iounmap() is
> > empty (but this is completely legal I think), these drivers will
> > cause
> > "unused variable error".
> 
> And that error will fail the build as allmodconfig will have
> CONFIG_WERROR=y.
> 

-- 
Xi Ruoyao <xry111@xxxxxxxxxxx>
School of Aerospace Science and Technology, Xidian University