[PATCHv5 1/4] arm64: io: Use asm-generic high level MMIO accessors

Sai Prakash Ranjan quic_saipraka at quicinc.com
Mon Dec 6 07:57:48 PST 2021


On 12/6/2021 8:45 PM, Arnd Bergmann wrote:
> On Mon, Dec 6, 2021 at 2:52 PM Sai Prakash Ranjan
> <quic_saipraka at quicinc.com> wrote:
>> Sorry, what I meant was the literal name of these macros, i.e.,
>> __iormb() has more explicit naming as
>> IO read memory barrier and __io_ar() is IO after read? So doesn't it
>> make more sense that __iormb()
>> should be the primary definition which is already the case and ar/bw
>> should be based on them.
> My reasoning was that we should ideally only have one set, and that
> __io_ar()/__io_bw() are the ones used in architecture-independent code,
> so I'd rather use those and deprecate the arm64 specific ones, eventually
> moving all the arm64 specific code to use those directly where needed.
>
>          Arnd

Ah ok, good enough. I will do this in the next version.

Thanks,
Sai



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