From: u.kleine-koenig@pengutronix.de (Uwe Kleine-König)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: imx35: don't disable the uart clock when DEBUG_LL is in use
Date: Mon, 6 Aug 2012 16:24:06 +0200 [thread overview]
Message-ID: <20120806142406.GC9329@pengutronix.de> (raw)
In-Reply-To: <20120731183206.GC10670@pengutronix.de>
On Tue, Jul 31, 2012 at 08:32:06PM +0200, Uwe Kleine-K?nig wrote:
> Hello Sascha,
>
> On Tue, Jul 31, 2012 at 07:43:58PM +0200, Sascha Hauer wrote:
> > On Tue, Jul 31, 2012 at 03:44:39PM +0200, Uwe Kleine-K?nig wrote:
> > > Otherwise printch et al. and printk with earlyprintk and keep_bootcon
> > > becomes unfunctional when the clk framework disables all unused clocks.
> >
> > Why don't you use the regular console? Letting the clock framework
> > disable the clocks was pretty much intentional.
> I don't question that disabling unused clocks is sensible. But usually
> if you enable DEBUG_LL you want to use it even after the clock framework
> disabled all (apparently) unused clocks. And in my case the regular
> console didn't work yet and so I relied on earlyprintk.
> Even if the problem proved to be the result of my stupidity this patch
> asserts that earlyprintk just works as it should be for debug aids.
ping
--
Pengutronix e.K. | Uwe Kleine-K?nig |
Industrial Linux Solutions | http://www.pengutronix.de/ |
next prev parent reply other threads:[~2012-08-06 14:24 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-31 13:44 [PATCH] ARM: imx35: don't disable the uart clock when DEBUG_LL is in use Uwe Kleine-König
2012-07-31 17:43 ` Sascha Hauer
2012-07-31 18:32 ` Uwe Kleine-König
2012-08-06 14:24 ` Uwe Kleine-König [this message]
2012-08-06 14:35 ` Sascha Hauer
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