Re: [PATCH] staging: sm750fb: Cleanup the type of mmio750

From: Greg KH
Date: Tue Mar 10 2015 - 11:05:03 EST


On Tue, Mar 10, 2015 at 12:47:44PM +0000, Lorenzo Stoakes wrote:
> On 10 March 2015 at 12:36, Sudip Mukherjee <sudipm.mukherjee@xxxxxxxxx> wrote:
> > but it is introducing two new build warnings:
> >
> > drivers/staging/sm750fb/sm750_hw.c: In function âhw_sm750_mapâ:
> > drivers/staging/sm750fb/sm750_hw.c:67:2: warning: passing argument 1 of âddk750_set_mmioâ discards âvolatileâ qualifier from pointer target type [enabled by default]
> > In file included from drivers/staging/sm750fb/ddk750_mode.h:4:0,
> > from drivers/staging/sm750fb/ddk750.h:15,
> > from drivers/staging/sm750fb/sm750_hw.c:24:
> >
> > and
> >
> > drivers/staging/sm750fb/ddk750_chip.h:77:6: note: expected âvoid *â but argument is of type âvolatile unsigned char *â
> >
> > care to make another patch to solve these two new warnings, and send this patch and the new one in a series and while sending mark the version number in the subject.
>
> I think the second warning is simply additional information attached
> to the 1st to give context?
>
> I noticed this issue but felt changing the type of this field would
> sit outside the purview of this patch as then I'm not only changing
> the type of mmio750 and code that *directly* interacts with this
> variable, but also code that indirectly interacts with it, so I felt
> that should perhaps be a separate patch.
>
> I'd love to additionally provide some further patches to help out with
> issues here too, incidentally! I will try to prepare some further
> patches tonight in this vein.

I can't apply patches that add new build warnings, sorry. Please fix
this up in the patch itself.

greg k-h
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