From: catalin.marinas@arm.com (Catalin Marinas) Date: Fri, 10 Jan 2014 16:58:47 +0000 Subject: [PATCH v3 4/6] arm: add early_ioremap support In-Reply-To: References: <1389325833-16535-1-git-send-email-msalter@redhat.com> <1389325833-16535-5-git-send-email-msalter@redhat.com> Message-ID: <20140110165847.GG925@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, Jan 10, 2014 at 04:11:03PM +0000, Rob Herring wrote: > On Thu, Jan 9, 2014 at 9:50 PM, Mark Salter 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 > > 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). -- Catalin