Re: [PATCH 5.15 72/76] regmap: allow to define reg_update_bits for no bus configuration

[Sasha Levin]

On Wed, Mar 13, 2024 at 04:46:04PM +0000, Mark Brown wrote:
> On Wed, Mar 13, 2024 at 12:42:19PM -0400, Sasha Levin wrote:
> > From: Ansuel Smith <ansuelsmth@xxxxxxxxx>
> >
> > [ Upstream commit 02d6fdecb9c38de19065f6bed8d5214556fd061d ]
> >
> > Some device requires a special handling for reg_update_bits and can't use
> > the normal regmap read write logic. An example is when locking is
> > handled by the device and rmw operations requires to do atomic operations.
> > Allow to declare a dedicated function in regmap_config for
> > reg_update_bits in no bus configuration.
>
> This is fairly clearly new functionality?

It is, but like the other commit, this new functionality is needed for a
later fix. We indicate this in the commit message by adding a trailer:

	Signed-off-by: Ansuel Smith <ansuelsmth@xxxxxxxxx>
	Link: https://lore.kernel.org/r/20211104150040.1260-1-ansuelsmth@xxxxxxxxx
	Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
	Stable-dep-of: 3f42b142ea11 ("serial: max310x: fix IO data corruption in batched operations")
	  ^^^^^^^^^
	Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

--
Thanks,
Sasha