[PATCH 1/4] regulator: core: Support trying to get close to a certain voltage

Mark Brown broonie at kernel.org
Thu Dec 11 16:24:10 PST 2014

On Thu, Dec 11, 2014 at 11:55:55AM -0800, Doug Anderson wrote:
> On Thu, Dec 11, 2014 at 9:09 AM, Mark Brown <broonie at kernel.org> wrote:

> > Please also bear in mind the need to handle shared supplies in your
> > implementation.

> I'm being dense, can you give more details?  Do you want me to grab
> the mutex or do something smarter like track the voltage / tolerance
> requested by multiple clients and resolve them, or ...?

I mean the latter - what happens if more than one consumer is trying to
use the regulator?  This is IIRC why _set_voltage_tol() uses the cheap
and nasty implementation it does.  There's also the potential
performance considerations for the DVS type applications now I think
about it.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 473 bytes
Desc: Digital signature
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20141212/5cf82a4d/attachment.sig>

More information about the linux-arm-kernel mailing list