From: Mark Salter <msalter@redhat.com>
To: Laura Abbott <lauraa@codeaurora.org>
Cc: linux-kernel@vger.kernel.org,
Russell King <linux@arm.linux.org.uk>,
Arnd Bergmann <arnd@arndb.de>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v3 4/6] arm: add early_ioremap support
Date: Wed, 15 Jan 2014 21:13:04 -0500 [thread overview]
Message-ID: <1389838384.1923.41.camel@deneb.redhat.com> (raw)
In-Reply-To: <52D72883.3020500@codeaurora.org>
On Wed, 2014-01-15 at 16:32 -0800, Laura Abbott wrote:
> On 1/9/2014 7:50 PM, Mark Salter wrote:
> ....
> > diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
> > index 987a7f5..038fb75 100644
> > --- a/arch/arm/kernel/setup.c
> > +++ b/arch/arm/kernel/setup.c
> > @@ -36,6 +36,7 @@
> > #include <asm/cpu.h>
> > #include <asm/cputype.h>
> > #include <asm/elf.h>
> > +#include <asm/io.h>
> > #include <asm/procinfo.h>
> > #include <asm/psci.h>
> > #include <asm/sections.h>
> > @@ -887,6 +888,8 @@ void __init setup_arch(char **cmdline_p)
> >
> > parse_early_param();
> >
> > + early_ioremap_init();
> > +
> > sort(&meminfo.bank, meminfo.nr_banks, sizeof(meminfo.bank[0]), meminfo_cmp, NULL);
> >
> > early_paging_init(mdesc, lookup_processor_type(read_cpuid_id()));
>
> Any chance we could do this even earlier, say right after
> setup_processor? It would be nice to be able to do this while FDT
> scanning (I have a use case in mind, potential patches are in the works)
It looks like that would work...
next prev parent reply other threads:[~2014-01-16 2:13 UTC|newest]
Thread overview: 18+ 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 1/6] x86/mm: sparse warning fix for early_memremap 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 3/6] x86: use generic early_ioremap 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 16:11 ` Rob Herring
2014-01-10 16:58 ` Catalin Marinas
2014-01-10 20:04 ` Rob Herring
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 [this message]
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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