Messages in this thread | | | Date | Fri, 30 Apr 2021 11:02:06 +0200 | From | Maxime Ripard <> | Subject | Re: [PATCH] rtc: sun6i: Add NVMEM provider |
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Hi,
On Sun, Apr 18, 2021 at 08:45:49PM -0500, Samuel Holland wrote: > The sun6i RTC provides 32 bytes of general-purpose data registers. > They can be used to save data in the always-on RTC power domain. > The registers are writable via 32-bit MMIO accesses only. > > Expose the region as a NVMEM provider so it can be used by userspace and > other drivers. > > Signed-off-by: Samuel Holland <samuel@sholland.org>
As far as I understood, you want to use those registers to implement super-standby? If so, while it makes sense for the kernel to be able to be able to write to those registers, I guess it would be a bit unwise to allow the userspace to access it?
Maxime [unhandled content-type:application/pgp-signature] | |