On Fri, Sep 25, 2020 at 4:27 PM Chuanhong Guo <gch981213@xxxxxxxxx> wrote:
>
[snip]
> > + if (sp->high_dma) {
> > + writel(dma_addr >> 32, sp->base + MTK_NOR_REG_DMA_DADR_HB);
> > + writel((dma_addr + length) >> 32, sp->base + MTK_NOR_REG_DMA_END_DADR_HB);
> > + }
>
> I remembered kbuild test robot reported a warning on this on 32-bit platforms
> in your v1. [0]
> I don't know what's the fix for this though :(
>
> [0] https://marc.info/?l=linux-spi&m=159982425706940&w=2
yeah, I'm not sure how to handle this properly,
"warning: shift count >= width of type",
(sp->high_dma) is always false on 32bit arm kernel.
I think adding size check on here is unnecessary, should I fix for this warning?
> --
> Regards,
> Chuanhong Guo
Sorry for resending, Chuanhong.
