From: Tony Lindgren <tony@atomide.com>
To: Daniel Mack <zonque@gmail.com>
Cc: "Gadiyar, Anand" <gadiyar@ti.com>,
"linux-omap@vger.kernel.org" <linux-omap@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: Trouble with newer kernels on Gumstix Overo boards
Date: Tue, 21 Jun 2011 10:22:22 +0300 [thread overview]
Message-ID: <20110621072220.GA21159@atomide.com> (raw)
In-Reply-To: <BANLkTimfeS1Xin779eg=8cdjqmqcQeB6HA@mail.gmail.com>
* Daniel Mack <zonque@gmail.com> [110617 18:06]:
> On Fri, Jun 17, 2011 at 4:03 PM, Gadiyar, Anand <gadiyar@ti.com> wrote:
> >> console=ttyS2,115200 root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait
> >
> > Here is your problem. We now use the OMAP-serial driver for the UARTs.
>
> Which breaks backward-compatibility with bootloaders set up for older
> kernels. Now I have to deploy kernels with CONFIG_CMDLINE_FORCE=y. Was
> that really necessary?
In most cases you can just setenv cmdline then saveenv in u-boot.
Who knows, maybe at some point we can make 8250.c behave with runtime PM
and Linux generic DMA API, but that might take a while before we get there :)
Regards,
Tony
WARNING: multiple messages have this Message-ID (diff)
From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: Trouble with newer kernels on Gumstix Overo boards
Date: Tue, 21 Jun 2011 10:22:22 +0300 [thread overview]
Message-ID: <20110621072220.GA21159@atomide.com> (raw)
In-Reply-To: <BANLkTimfeS1Xin779eg=8cdjqmqcQeB6HA@mail.gmail.com>
* Daniel Mack <zonque@gmail.com> [110617 18:06]:
> On Fri, Jun 17, 2011 at 4:03 PM, Gadiyar, Anand <gadiyar@ti.com> wrote:
> >> console=ttyS2,115200 root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait
> >
> > Here is your problem. We now use the OMAP-serial driver for the UARTs.
>
> Which breaks backward-compatibility with bootloaders set up for older
> kernels. Now I have to deploy kernels with CONFIG_CMDLINE_FORCE=y. Was
> that really necessary?
In most cases you can just setenv cmdline then saveenv in u-boot.
Who knows, maybe at some point we can make 8250.c behave with runtime PM
and Linux generic DMA API, but that might take a while before we get there :)
Regards,
Tony
next prev parent reply other threads:[~2011-06-21 7:22 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-17 14:00 Trouble with newer kernels on Gumstix Overo boards Daniel Mack
2011-06-17 14:00 ` Daniel Mack
2011-06-17 14:03 ` Gadiyar, Anand
2011-06-17 14:03 ` Gadiyar, Anand
2011-06-17 15:11 ` Daniel Mack
2011-06-17 15:11 ` Daniel Mack
2011-06-20 13:31 ` Yegor Yefremov
2011-06-20 13:31 ` Yegor Yefremov
2011-06-20 14:02 ` Premi, Sanjeev
2011-06-20 14:02 ` Premi, Sanjeev
2011-06-20 14:31 ` Yegor Yefremov
2011-06-20 14:31 ` Yegor Yefremov
2011-06-21 8:21 ` Daniel Mack
2011-06-21 8:21 ` Daniel Mack
2011-06-21 7:22 ` Tony Lindgren [this message]
2011-06-21 7:22 ` Tony Lindgren
2011-06-21 8:20 ` Daniel Mack
2011-06-21 8:20 ` Daniel Mack
2011-06-22 6:57 ` Vladimir Pantelic
2011-06-22 6:57 ` Vladimir Pantelic
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