lkml.org 
[lkml]   [2013]   [Feb]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH] drivers/block/xsysace - replace in(out)_8/in(out)_be16/in(out)_le16 with generic iowrite(read)8/16(be)
Date
On Tuesday 12 February 2013, Benjamin Herrenschmidt wrote:
> It depends how the ARM core operates vs. IO when switched between BE and
> LE, does it keep the same lines doing byte 0 or does it keep the MSB/LSB
> in the same place (and thus changes which lanes contain byte 0) ?

IIRC it changed between older and more recent ARM, at least we have
separate configuration options for "BE-8" big-endian mode on ARMv6
and above, and "BE-32" on older ones.

Currently we don't support platforms upstream that get configured
as BE-32, but the code is there and I know of people using it.

Arnd


\
 
 \ /
  Last update: 2013-02-12 13:01    [W:0.122 / U:0.576 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site