Re: [PATCH v2 4/5] spi: spi-mtk-nor: support 36bit dma addressing to mediatek

[Ikjoon Jang]

On Sat, Sep 19, 2020 at 11:26 PM Yingjoe Chen <yingjoe.chen@xxxxxxxxxxxx> wrote:
>
> On Fri, 2020-09-18 at 16:31 +0800, Ikjoon Jang wrote:
> > This patch enables 36bit dma address support to spi-mtk-nor.
> > Currently 36bit dma addressing is enabled only for mt8192-nor.
[snip]
>
> Do we need to set sp->high_dma when we have >32bits DMA?
>

Yes, to do so, you need to add new compatible strings if there are
more SoCs support >32bit other than mt8192
or just ust mt8192-nor for binding.

> Joe.C