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| author |   Lennert Buytenhek <buytenh@wantstofly.org> | 2011-08-11 09:56:06 +0800 |
|---|---|---|
| committer |   Eric Miao <eric.y.miao@gmail.com> | 2011-08-11 10:10:26 +0800 |
| commit | 392ba787bcc9b8d4786fb94949d270ec7414da55 (patch) | |
| tree | 35bd233c9a35940b7dfe4e4f358992a33b7e9045 /kernel/sysctl.c | |
| parent | Linux 3.1-rc1 (diff) | |
| download | wireguard-linux-392ba787bcc9b8d4786fb94949d270ec7414da55.tar.xz wireguard-linux-392ba787bcc9b8d4786fb94949d270ec7414da55.zip | |
ARM: pxa: fix logic error in PJ4 iWMMXt handling
This got added in:
commit ef6c84454f8567d4968c210d7d194fb711ed3739
Author: Haojian Zhuang <haojian.zhuang@marvell.com>
Date: Wed Nov 24 11:54:25 2010 +0800
ARM: pxa: add iwmmx support for PJ4
which does:
- mrc p15, 0, r2, c15, c1, 0
- orr r2, r2, #0x3 @ enable access to CP0 and CP1
- mcr p15, 0, r2, c15, c1, 0
+ @ enable access to CP0 and CP1
+ XSC(mrc p15, 0, r2, c15, c1, 0)
+ XSC(orr r2, r2, #0x3)
+ XSC(mcr p15, 0, r2, c15, c1, 0)
but then later does:
- mrc p15, 0, r4, c15, c1, 0
- orr r4, r4, #0x3 @ enable access to CP0 and CP1
- mcr p15, 0, r4, c15, c1, 0
+ @ enable access to CP0 and CP1
+ XSC(mrc p15, 0, r4, c15, c1, 0)
+ XSC(orr r4, r4, #0xf)
+ XSC(mcr p15, 0, r4, c15, c1, 0)
Signed-off-by: Lennert Buytenhek <buytenh@laptop.org>
Acked-by Haojian <haojian.zhuang@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
Diffstat (limited to 'kernel/sysctl.c')
0 files changed, 0 insertions, 0 deletions