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

From: Christoph Hellwig
Date: Tue Sep 03 2019 - 09:30:57 EST

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]
> 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?