[PATCHv4 2/8] ARM: OMAP3+: voltage/pwrdm/clkdm/clock add recursive usecount tracking

[Kevin Hilman]

Tero Kristo <t-kristo at ti.com> writes:

> This patch fixes the usecount tracking for omap3+, previously the
> usecount numbers were rather bogus and were not really useful for
> any purpose. Now usecount numbers track the number of really active
> clients on each domain. This patch also adds support for usecount
> tracking on powerdomain level and autoidle flag for clocks that
> are hardware controlled and should be skipped in usecount
> calculations.
>
> Signed-off-by: Tero Kristo <t-kristo at ti.com>
> Cc: Paul Walmsley <paul at pwsan.com>
> Cc: Kevin Hilman <khilman at ti.com>

Minor nit: please avoid using BUG_ON() which will panic the whole
kernel.  Proper error detection is preferred, but your usage, a
WARN_ON() should suffice.

Otherwise,

Reviewed-by: Kevin Hilman <khilman at ti.com>

Kevin