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authorPaul Mundt <lethal@linux-sh.org>2010-01-20 10:40:48 +0300
committerPaul Mundt <lethal@linux-sh.org>2010-01-20 10:40:48 +0300
commit2efa53b269ec1e9289a108e1506f53f6f1de440b (patch)
treea5825e18be1044b2472cba5776e1ef47377f9834 /arch/sh/mm/pmb.c
parent5f240718b475dcddee86b138b624f24c681dbb29 (diff)
downloadlinux-2efa53b269ec1e9289a108e1506f53f6f1de440b.tar.xz
sh: Make 29/32-bit mode check helper generally available.
Presently __in_29bit_mode() is only defined for the PMB case, but it's also easily derived from the CONFIG_29BIT and CONFIG_32BIT && CONFIG_PMB=n cases. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/mm/pmb.c')
-rw-r--r--arch/sh/mm/pmb.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/sh/mm/pmb.c b/arch/sh/mm/pmb.c
index b796b6c021b4..d318fa6caffe 100644
--- a/arch/sh/mm/pmb.c
+++ b/arch/sh/mm/pmb.c
@@ -436,6 +436,11 @@ int __uses_jump_to_uncached pmb_init(void)
return 0;
}
+bool __in_29bit_mode(void)
+{
+ return (__raw_readl(PMB_PASCR) & PASCR_SE) == 0;
+}
+
static int pmb_seq_show(struct seq_file *file, void *iter)
{
int i;