linux-kernel - Re: [PATCH v3 0/4] clk: bcm2835: critical clocks and parent selection

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Message-Id: <69F741EC-D4BB-461E-B3BA-FEF73DA70F2E@sperl.org>
Date:   Wed, 7 Sep 2016 11:08:47 +0200
From:   Martin Sperl <martin@...rl.org>
To:     Eric Anholt <eric@...olt.net>
Cc:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...eaurora.org>,
        linux-kernel@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 0/4] clk: bcm2835: critical clocks and parent selection


> On 01.06.2016, at 21:05, Eric Anholt <eric@...olt.net> wrote:
> 
> I figured out another critical clock (patch 3), but didn't use the
> CLK_IS_CRITICAL flag since I want to just protect whatever clock
> happens to be the parent (there are #ifdefs in the firmware indicating
> that they've experimented with using different clocks as the parent).
> 
> I think these fixes are all suitable for 4.7.
> 
> Eric Anholt (4):
>  clk: bcm2835: Mark the VPU clock as critical
>  clk: bcm2835: Mark GPIO clocks enabled at boot as critical
>  clk: bcm2835: Mark the CM SDRAM clock's parent as critical
>  clk: bcm2835: Skip PLLC clocks when deciding on a new clock parent
> 
> drivers/clk/bcm/clk-bcm2835.c | 63 +++++++++++++++++++++++++++++++++++++++++--
> 1 file changed, 61 insertions(+), 2 deletions(-)

Whole series:
Acked-by: Martin Sperl <kernel@...tin.sperl.org>

Note that these patches are also seeing more testing downstream in 4.7
and there have been no hiccups seen either. Clock selection is working
as expected for I2S as well.