Re: [PATCH 9/9] mfd: mt6360: Merge different sub-devices I2C read/write

[Mark Brown]

On Thu, Aug 06, 2020 at 11:30:56AM +0800, Gene Chen wrote:
> Mark Brown <broonie@xxxxxxxxxx> 於 2020年8月6日 週四 上午12:10寫道：

> > It's not clear why this isn't just done in the device regmap, there's
> > exactly one user?

> because I use one regmap to access 4 I2C devices,

There appears to be only one device here?

> I need change the regmap_bus struct to fit I2C read/write with CRC bit
> Therefore, MFD reviewer suggests I can move the regmap api to regmap
> folder such as regmap-ac97.c

AC'97 is an industry standard bus used by a range of devices in
different subsystems.  You can already have custom operations for a
device just in a regular regmap using the reg_read() and reg_write()
operations which are there so devices that individual device support
doesn't need to be added to the regmap core.

You really also need to write a much clearer changelog, I would be hard
pressed to tell from the changelog that this was moving things to the
regmap core rather than shuffling regmaps within the device.

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