[PATCH] powerpc/powernv: fix a W=1 compilation warning

[Christoph Hellwig]

On Tue, Sep 03, 2019 at 09:29:14AM -0400, Qian Cai wrote:
> I saw Christ start to remove npu-dma.c code [1]
> 
> [1] https://lore.kernel.org/linuxppc-dev/20190625145239.2759-4-hch@lst.de/
> 
> Should pnv_npu_dma_set_32() be removed too?
> 
> It was only called by pnv_npu_try_dma_set_bypass() but the later is not used
> anywhere in the kernel tree. If that is a case, I don't need to bother fixing
> the warning here.

Yes, pnv_npu_try_dma_set_bypass and pnv_npu_dma_set_32 should go away
as well as they are unused.  Do you want to send a patch or should I
prepare one?