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[3/3] powerpc: Set DSCR bit in FSCR setup

Message ID 1362462352-12009-4-git-send-email-mikey@neuling.org (mailing list archive)
State Accepted, archived
Headers show

Commit Message

Michael Neuling March 5, 2013, 5:45 a.m. UTC
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>
---
 arch/powerpc/kernel/cpu_setup_power.S |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

diff --git a/arch/powerpc/kernel/cpu_setup_power.S b/arch/powerpc/kernel/cpu_setup_power.S
index bb2d203..ea847ab 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