[PATCH 3/3] fsl_rio: fix non-standard HID1 register access

[Li Yang]

The access to HID1 register is only legitimate for e500 v1/v2 cores.

Signed-off-by: Li Yang <leoli at freescale.com>
---
 arch/powerpc/sysdev/fsl_rio.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index 954a754..785a882 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -1523,9 +1523,12 @@ int fsl_rio_setup(struct of_device *dev)
 #ifdef CONFIG_E500
 	saved_mcheck_exception = ppc_md.machine_check_exception;
 	ppc_md.machine_check_exception = fsl_rio_mcheck_exception;
-#endif
-	/* Ensure that RFXE is set */
+	
+#ifndef CONFIG_E500MC
+	/* Ensure that RFXE is set on e500 v1/v2 */
 	mtspr(SPRN_HID1, (mfspr(SPRN_HID1) | 0x20000));
+#endif /* !E500MC */
+#endif /* E500 */
 
 	return 0;
 err:
-- 
1.6.4