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ARM: 8016/1: Check cpu id in pj4_cp0_init.

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Check cpu id in pj4_cp0_init. So for no-PJ4 V7 cpus,
pj4_cpu0_init just return.
This fix will help to make the all the V7 cpus(PJ4 and no-PJ4)
can use code.

Signed-off-by: Chao Xie <chao.xie@marvell.com>
Reviewed-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Kevin Hilman <khilman@linaro.org>
Tested-by: Stephen Warren <swarren@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Matt Porter <mporter@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Chao Xie Linux 2014-04-02 02:50:03 +01:00 committed by Russell King
parent fdb487f5c9
commit a5d4506d07
1 changed files with 4 additions and 0 deletions
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4
arch/arm/kernel/pj4-cp0.c
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@ -17,6 +17,7 @@
#include <linux/init.h>
#include <linux/io.h>
#include <asm/thread_notify.h>
#include <asm/cputype.h>
static int iwmmxt_do(struct notifier_block *self, unsigned long cmd, void *t)
{
@ -80,6 +81,9 @@ static int __init pj4_cp0_init(void)
{
u32 cp_access;
if (!cpu_is_pj4())
return 0;
cp_access = pj4_cp_access_read() & ~0xf;
pj4_cp_access_write(cp_access);