Re: [v2] rtc: pcf85363/pcf85263: fix error that failed to run hwclock -w

[Mark Brown]

On Tue, Aug 20, 2019 at 01:33:14PM -0500, Li Yang wrote:

> Some of the RTC hardware has the capability of address wrapping which
> means if you access a continuous address range across a certain
> boundary(could be the boundary of a regmap region) the hardware
> actually wrap the access to a lower address.  But the address
> violation check of regmap rejects such access.  According to
> Alexcandre, the address wrapping is essential to the functionality of

It's *essential*?  Will innovation never cease?

> some RTC devices and can improve performance for some others.  We are
> wondering if it is reasonable to have regmap support this address
> wrapping.

I guess, I don't see any particular reason why not unless the patches
are horrible or get in the way of other stuff.

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