lkml.org 
[lkml]   [2014]   [Jan]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2 1/5] mm: create generic early_ioremap() support
On Tue, Jan 07, 2014 at 02:35:16AM +0000, Mark Salter wrote:
> This patch creates a generic implementation of early_ioremap() support
> based on the existing x86 implementation. early_ioremp() is useful for
> early boot code which needs to temporarily map I/O or memory regions
> before normal mapping functions such as ioremap() are available.
>
> There is one difference from the existing x86 implementation which
> should be noted. The generic early_memremap() function does not return
> an __iomem pointer and a new early_memunmap() function has been added
> to act as a wrapper for early_iounmap() but with a non __iomem pointer
> passed in. This is in line with the first patch of this series:
>
> https://lkml.org/lkml/2013/12/22/69
>
> Signed-off-by: Mark Salter <msalter@redhat.com>
> CC: x86@kernel.org
> CC: linux-arm-kernel@lists.infradead.org
> CC: Andrew Morton <akpm@linux-foundation.org>
> CC: Arnd Bergmann <arnd@arndb.de>
> CC: Ingo Molnar <mingo@kernel.org>
> CC: Thomas Gleixner <tglx@linutronix.de>
> CC: "H. Peter Anvin" <hpa@zytor.com>
> CC: Russell King <linux@arm.linux.org.uk>
> CC: Catalin Marinas <catalin.marinas@arm.com>
> CC: Will Deacon <will.deacon@arm.com>

Acked-by: Catalin Marinas <catalin.marinas@arm.com>


\
 
 \ /
  Last update: 2014-01-07 18:41    [W:0.091 / U:0.348 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site