Thread (17 messages) 17 messages, 6 authors, 2015-12-17

[PATCH v3 2/4] ARM: bcm2835: add rpi power domain driver

From: Eric Anholt <hidden>
Date: 2015-12-17 00:39:31
Also in: linux-devicetree, linux-pm, lkml

Ulf Hansson [off-list ref] writes:
On 16 December 2015 at 02:27, Krzysztof Kozlowski
[off-list ref] wrote:
quoted
2015-12-16 10:11 GMT+09:00 Sebastian Reichel [off-list ref]:
quoted
Hi,

On Tue, Dec 15, 2015 at 04:53:31PM -0800, Eric Anholt wrote:
quoted
quoted
quoted
There are 6 power domain drivers in
arch/arm, 3 in drivers/clk, and 3 in drivers/soc.
If we ever have to support a different architecture which happens to use
a similar power domain, then we want it to be in a location which makes
it easy for sharing it in the first place. As it stands today, it does
not seem useful to me to have this code in arch/arm/mach-bcm/ at all.

Maybe there is room from a drivers/power/domains/ of some kind?
I like the idea, but let's include generic power domain maintainers
in this discussion, as I suggested here (I got a power domain driver
patch for drivers/power just a few days ago):

https://lkml.org/lkml/2015/12/15/815

Also somebody would have to step up to maintain that directory.
This could go into drivers/soc. We put there a lot of mach-specific
stuff which we want to make a little more generic (like generic enough
multiplatform, multiarchitecture etc). Rockchip has its own power
domains there. Dove and Mediatek seem as well but I am not sure. Some
other architectures keep this still in arm/mach (exynos, ux500, zx,
imx, s34c64xx, shmobile) but this looks more of like a legacy choice.
Agree, drivers/soc is good.
OK, I've resent with a move to drivers/soc/bcm/.
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