diff options
| author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2016-04-29 23:26:32 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2016-05-11 21:53:58 +1000 |
| commit | 17a3dd2f5fc75fc12d0a2ebf05327cf965bdf84b (patch) | |
| tree | 03f7f5ff2397c20a5456dda66b460834f436bcf9 /arch/powerpc/kernel/prom.c | |
| parent | ab62476240d59a9d7d78ca5ff32499dd50db2069 (diff) | |
powerpc/mm/radix: Use firmware feature to enable Radix MMU
We use the existing "ibm,pa-features" device-tree property to enable
Radix MMU mode. This means we default to hash mode unless firmware tells
us it's OK to start using Radix mode.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc/kernel/prom.c')
| -rw-r--r-- | arch/powerpc/kernel/prom.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 1b082c729c29..d924cd60fc8e 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -166,6 +166,7 @@ static struct ibm_pa_feature { * which is 0 if the kernel doesn't support TM. */ {CPU_FTR_TM_COMP, 0, 0, 22, 0, 0}, + {0, MMU_FTR_RADIX, 0, 40, 0, 0}, }; static void __init scan_features(unsigned long node, const unsigned char *ftrs, |