powerpc: Set DSCR bit in FSCR setup

We support DSCR (Data Stream Control Register) so we should make sure we set it
in the FSCR (Facility Status & Control Register) incase some firmwares don't
set it.  If we don't set this, we'll take a facility unavailable exception when
using the DSCR.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/powerpc/kernel/cpu_setup_power.S b/arch/powerpc/kernel/cpu_setup_power.S
index bb2d2034d61f..ea847abb0d0a 100644
--- a/arch/powerpc/kernel/cpu_setup_power.S
+++ b/arch/powerpc/kernel/cpu_setup_power.S
@@ -116,7 +116,7 @@ __init_LPCR:
 
 __init_FSCR:
         mfspr   r3,SPRN_FSCR
-        ori     r3,r3,FSCR_TAR
+        ori     r3,r3,FSCR_TAR|FSCR_DSCR
         mtspr   SPRN_FSCR,r3
         blr