[linux-sunxi] Re: [PATCH 4/4] simplefb: add clock handling code

[Maxime Ripard]

On Mon, Aug 25, 2014 at 04:53:06PM +0200, Thierry Reding wrote:
> Hmm... that's true. But we already have a way to deal with exactly this
> situation for regulators. There's a property called regulator-boot-on
> which a bootloader should set whet it has enabled a given regulator. It
> can of course also be set statically in a DTS if it's know upfront that
> a bootloader will always enable it. Perhaps what we need is a similar
> property for clocks so that the clock framework will not inadvertently
> turn off a clock that's still being used.

Except that such a property won't work either. Regulators with
regulator-boot-on will still be disabled if there's no one to claim
it. Just like what happens currently for the clocks.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 819 bytes
Desc: Digital signature
URL: <http://lists.infradead.org/pipermail/linux-arm-kernel/attachments/20140825/69496455/attachment.sig>