linux-kernel - Re: [PATCH 0/9] clocksource/drivers/clksrc-of: Improve error handling

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Message-ID: <57582755.3080102@linaro.org>
Date:	Wed, 8 Jun 2016 16:10:29 +0200
From:	Daniel Lezcano <daniel.lezcano@...aro.org>
To:	Geert Uytterhoeven <geert@...ux-m68k.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-renesas-soc@...r.kernel.org
Subject: Re: [PATCH 0/9] clocksource/drivers/clksrc-of: Improve error handling

On 06/07/2016 11:54 AM, Geert Uytterhoeven wrote:

[ ... ]

> in clockevents/clockevents/next breaks the boot on e.g. r8a7791/koelsch
> (arm32) and r8a7795/salvator-x (arm64).
>
> Using "earlycon keep_bootcon" on koelsch (this doesn't help on arm64)
> reveals it's stuck at:
>
>      clocksource_probe: no matching clocksources found
>      sched_clock: 32 bits at 100 Hz, resolution 10000000ns, wraps every
> 21474836475000000ns
>      Calibrating delay loop...
>
> With the above commit reverted, it works again:
>
>      Architected cp15 timer(s) running at 10.00MHz (virt).
>      clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles:
> 0x24e6a1710, max_idle_ns: 440795202120 ns
>      sched_clock: 56 bits at 10MHz, resolution 100ns, wraps every 4398046511100ns
>      Switching to timer-based delay loop, resolution 100ns
>      Calibrating delay loop (skipped), value calculated using timer
> frequency.. 20.00 BogoMIPS (lpj=100000)

I think it is fixed now and pushed on my tree. Is it possible to confirm 
your boards are working correctly again after the linux-next is updated 
with my latest changes ?

Thanks for the report.

   -- Daniel


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