From: florian@openwrt.org (Florian Fainelli)
To: linux-arm-kernel@lists.infradead.org
Subject: Kernel 3.4 on Dreamplug: no serial console
Date: Mon, 04 Jun 2012 10:29:57 +0200 [thread overview]
Message-ID: <2396575.dLS9zmzUSD@flexo> (raw)
In-Reply-To: <20120603184049.GF14756@titan.lakedaemon.net>
Hi,
On Sunday 03 June 2012 14:40:49 Jason Cooper wrote:
> On Sun, Jun 03, 2012 at 05:12:18PM +0000, Arnd Bergmann wrote:
> > I'd also accept a patch to make ARCH_KIRKWOOD_DT select OF_SERIAL if
people
> > prefer that, but I think just changing the defconfig is better.
>
> I'd prefer the defconfig as there are situations where users/oems deploy
> a kernel without support for serial console. In order to do that with
> your patch, or similar approaches, they would have to change the code.
> With defconfig, they don't.
Should not you rather select OF_SERIAL and add a status propery to the uart
node in device tree, so that it is up to dtb provider to determine whether
this device node should be enabled or not? You would avoid all kind of
defconfig issue.
>
> FYI: there is a running problem with kirkwood_defconfig that I haven't
> had time to look into. I've been doing 'make oldconfig' and thus never
> encountered the problem.
>
> The problem involves CONFIG_ARM_PATCH_PHYS_VIRT and causes the system
> not to boot. I'm not sure if this is dreamplug specific, kirkwood, or
> all orion. I've only heard reports regarding dreamplug, but that
> doesn't mean it's limited to that board.
>
> I'd like to have the defconfig working by the time the DT conversion is
> complete, but I'm currently giving DT conversion higher priority. So,
> if anyone wants to take a crack at solving it, please do. Otherwise, I
> plan on taking a look at it after the driver bindings are done.
>
> thx,
>
> Jason.
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel at lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2012-06-04 8:29 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-02 12:20 Kernel 3.4 on Dreamplug: no serial console Hans Kröner
2012-06-02 15:18 ` Adam Baker
2012-06-03 15:26 ` Hans Kröner
2012-06-03 16:59 ` Adam Baker
2012-06-03 17:12 ` Arnd Bergmann
2012-06-03 18:40 ` Jason Cooper
2012-06-03 19:09 ` Andrew Lunn
2012-06-04 8:29 ` Florian Fainelli [this message]
2012-06-04 14:30 ` Arnd Bergmann
-- strict thread matches above, loose matches on Subject: below --
2012-06-02 18:57 Andrew Lunn
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