From: robherring2@gmail.com (Rob Herring)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 4/6] arm: add early_ioremap support
Date: Fri, 10 Jan 2014 14:04:57 -0600 [thread overview]
Message-ID: <CAL_JsqK-UppOnncr19dPEX8d8m0dvnONo_bzaXYX78rc2LfjwQ@mail.gmail.com> (raw)
In-Reply-To: <20140110165847.GG925@arm.com>
On Fri, Jan 10, 2014 at 10:58 AM, Catalin Marinas
<catalin.marinas@arm.com> wrote:
> On Fri, Jan 10, 2014 at 04:11:03PM +0000, Rob Herring wrote:
>> On Thu, Jan 9, 2014 at 9:50 PM, Mark Salter <msalter@redhat.com> wrote:
>> > This patch uses the generic early_ioremap code to implement
>> > early_ioremap for ARM. The ARM-specific bits come mostly from
>> > an earlier patch from Leif Lindholm <leif.lindholm@linaro.org>
>> > here:
>> >
>> > https://lkml.org/lkml/2013/10/3/279
>>
>> I think this will be useful to implement an arm64 style earlycon for
>> arm as the current DEBUG_LL doesn't really work with multi-platform
>> kernels. I started on this and quickly realized I needed the fixmap
>> support.
>
> It would be even better if you can make it more generic
> (drivers/tty/serial/) and keep DEBUG_LL as a specialised case for
> arch/arm (when !multi-platform).
Y
next prev parent reply other threads:[~2014-01-10 20:04 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-10 3:50 [PATCH v3 0/6] generic early_ioremap support Mark Salter
2014-01-10 3:50 ` [PATCH v3 2/6] mm: create generic early_ioremap() support Mark Salter
2014-01-10 3:50 ` [PATCH v3 4/6] arm: add early_ioremap support Mark Salter
2014-01-10 11:34 ` Russell King - ARM Linux
2014-01-10 13:50 ` Mark Salter
2014-01-10 16:11 ` Rob Herring
2014-01-10 16:58 ` Catalin Marinas
2014-01-10 20:04 ` Rob Herring [this message]
2014-01-10 20:09 ` Rob Herring
2014-01-10 20:51 ` Mark Salter
2014-01-10 20:40 ` Stephen Boyd
2014-01-10 20:52 ` Mark Salter
2014-01-16 0:32 ` Laura Abbott
2014-01-16 0:35 ` Russell King - ARM Linux
2014-01-16 2:13 ` Mark Salter
2014-01-10 3:50 ` [PATCH v3 5/6] arm64: initialize pgprot info earlier in boot Mark Salter
2014-01-10 3:50 ` [PATCH v3 6/6] arm64: add early_ioremap support Mark Salter
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