Re: [PATCH v3 4/5] clk: Hi6220: add stub clock driver

From: Kevin Hilman
Date: Tue Sep 01 2015 - 20:28:49 EST

On Sun, Aug 2, 2015 at 6:13 PM, Leo Yan <leo.yan@xxxxxxxxxx> wrote:
> On Hi6220, there have some clocks which can use mailbox channel to send
> messages to power controller to change frequency; this includes CPU, GPU
> and DDR clocks.
> For dynamic frequency scaling, firstly need write the frequency value to
> SRAM region, and then send message to mailbox to trigger power controller
> to handle this requirement. This driver will use syscon APIs to pass SRAM
> memory region and use common mailbox APIs for channels accessing.
> This init driver will support cpu frequency change firstly.
> Signed-off-by: Leo Yan <leo.yan@xxxxxxxxxx>

The build/boot bot detected boot failures in
linux-next[1], and the failure was bisected down to this patch (landed
in linux-next as commit c1628a2c416da947f5afac615d53189250fa49cb.

I verifed that reverting this commit on top of next-20150901 gets the
hikey booting again.


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