[PATCH v5 06/10] clk: mediatek: mt8173: Fix enabling of critical clocks
sboyd at codeaurora.org
Wed Jul 29 17:27:54 PDT 2015
On 07/29, James Liao wrote:
> From: Sascha Hauer <s.hauer at pengutronix.de>
> On the MT8173 the clocks are provided by different units. To enable
> the critical clocks we must be sure that all parent clocks are already
> registered, otherwise the parents of the critical clocks end up being
> unused and get disabled later.
> On MT8173, for example, it is the CLK_TOP clocks that have CLK_APMIXED
> PLLs as their parents, so we cannot enable the CLK_TOP critical clocks
> until the CLK_APMIXED clocks have all been registered.
> To find a place where all parents are registered we try each time
> after we've registered some clocks if all known providers are present
> now and only then we enable the critical clocks.
> Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
> Signed-off-by: James Liao <jamesjj.liao at mediatek.com>
Please move up to v4.2-rc2 so that this patch can be dropped. I
already applied this and sent it off to Linus so it's in -rc2.
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