Re: [PATCH v2] regmap: Clarify regmap_update_bits_base() 'async' kernel-doc

[Mark Brown]

On Tue, Jul 21, 2026 at 10:49:02AM -0500, Bjorn Helgaas wrote:

> The kernel-doc for the regmap_update_bits_base() 'async' parameter didn't
> actually say what it does.

It does?

> Reword it to clarify the read-modify-write mechanics: when 'async' is true,
> the write is queued asynchronously, but the read will still be synchronous
> unless the device uses a register cache.

The API here is that we'll use async as much as is supported, there are
actually some buses that have a read/modify/write operation in the
protocol so if one of them supported async I/O we could use it here
(we'd need to plumb that through, but the users shouldn't care).

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