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Date: Wed, 28 Jun 2017 08:59:56 -0700
From: Stephen Boyd <sboyd@codeaurora.org>
To: Gabriel FERNANDEZ <gabriel.fernandez@st.com>
Cc: Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>,
        Russell King <linux@armlinux.org.uk>,
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        Olivier BIDEAU <olivier.bideau@st.com>,
        Amelie DELAUNAY <amelie.delaunay@st.com>,
        "gabriel.fernandez.st@gmail.com" <gabriel.fernandez.st@gmail.com>
Subject: Re: [RESEND PATCH v4] clk: stm32h7: Add stm32h743 clock driver
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On 06/27, Gabriel FERNANDEZ wrote:
> 
> 
> On 06/22/2017 12:07 AM, Stephen Boyd wrote:
> > readl_poll_timeout?
> >
> if i use readl_poll_timeout (wich use 'ktime_get()') it can be 
> operational only after the selection of clocksource ? (device_initcall).
> And then if a driver turn on a clock before, it could blocked the linux 
> console ?
> 

Ok. I wonder if we could add some sort of starting check to
readl_poll_timeout() that tests system_state for booting vs.
scheduling? That should be sufficient to handle this case?

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