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Message-ID: <20190626190053.GA3692@piout.net>
Date: Wed, 26 Jun 2019 21:00:53 +0200
From: Alexandre Belloni <alexandre.belloni@...tlin.com>
To: Stephen Boyd <sboyd@...nel.org>
Cc: Claudiu.Beznea@...rochip.com, mturquette@...libre.com,
Nicolas.Ferre@...rochip.com, linux-clk@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
claudiu.beznea@...il.com
Subject: Re: [PATCH 0/7] clk: at91: sckc: improve error path
On 26/06/2019 11:53:59-0700, Stephen Boyd wrote:
> Quoting Alexandre Belloni (2019-06-21 02:33:02)
> > On 20/06/2019 10:30:42+0000, Claudiu.Beznea@...rochip.com wrote:
> > > Hi,
> > >
> > > On 18.06.2019 12:55, Alexandre Belloni wrote:
> > > > On 13/06/2019 15:37:06+0000, Claudiu.Beznea@...rochip.com wrote:
> > > >> From: Claudiu Beznea <claudiu.beznea@...rochip.com>
> > > >>
> > > >> Hi,
> > > >>
> > > >> This series tries to improve error path for slow clock registrations
> > > >> by adding functions to free resources and using them on failures.
> > > >>
> > > >
> > > > Does the platform even boot when the slow clock is not available?
> > > >
> > > > The TCB clocksource would fail at:
> > > >
> > > > tc.slow_clk = of_clk_get_by_name(node->parent, "slow_clk");
> > > > if (IS_ERR(tc.slow_clk))
> > > > return PTR_ERR(tc.slow_clk);
> > > >
> > >
> > > In case of using TC as clocksource, yes, the platform wouldn't boot if slow
> > > clock is not available, because, anyway the TC needs it. PIT may work
> > > without it (if slow clock is not used to drive the PIT).
> > >
> > > For sure there are other IPs (which may be or are driven by slow clock)
> > > which may not work if slow clock is driven them.
> > >
> > > Anyway, please let me know if you feel this series has no meaning.
> > >
> >
> > Well, I'm not sure it is worth it but at the same time, it is not adding
> > many lines and you already developed it...
> >
>
> Is that a Reviewed-by or a Rejected-by tag?
>
Reviewed-by: Alexandre Belloni <alexandre.belloni@...tlin.com>
--
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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