[PATCH] powerpc: Rename and export ppc64_firmware_features

We need to export ppc64_firmware_features for modules. Before we do that
I think we should probably rename it to powerpc_firmware_features.

Signed-off-by: Michael Ellerman <[e-mail]>
Signed-off-by: Paul Mackerras <[e-mail]>

arch/powerpc/kernel/firmware.c

···
  */
 
 #include <linux/config.h>
+#include <linux/module.h>
 
 #include <asm/firmware.h>
 
-unsigned long ppc64_firmware_features;
+unsigned long powerpc_firmware_features;
+EXPORT_SYMBOL_GPL(powerpc_firmware_features);

arch/powerpc/platforms/iseries/setup.c

···
 	if (PLATFORM_ISERIES_LPAR != platform)
 		return 0;
 
-	ppc64_firmware_features |= FW_FEATURE_ISERIES;
-	ppc64_firmware_features |= FW_FEATURE_LPAR;
+	powerpc_firmware_features |= FW_FEATURE_ISERIES;
+	powerpc_firmware_features |= FW_FEATURE_LPAR;
 
 	return 1;
 }

arch/powerpc/platforms/pseries/firmware.c

···
 				continue;
 
 			/* we have a match */
-			ppc64_firmware_features |=
+			powerpc_firmware_features |=
 				firmware_features_table[i].val;
 			break;
 		}

arch/powerpc/platforms/pseries/setup.c

···
 	 */
 
 	if (platform == PLATFORM_PSERIES_LPAR)
-		ppc64_firmware_features |= FW_FEATURE_LPAR;
+		powerpc_firmware_features |= FW_FEATURE_LPAR;
 
 	return 1;
 }

include/asm-powerpc/firmware.h

···
 /* This is used to identify firmware features which are available
  * to the kernel.
  */
-extern unsigned long	ppc64_firmware_features;
+extern unsigned long	powerpc_firmware_features;
 
 #define firmware_has_feature(feature)					\
 	((FW_FEATURE_ALWAYS & (feature)) ||				\
-		(FW_FEATURE_POSSIBLE & ppc64_firmware_features & (feature)))
+		(FW_FEATURE_POSSIBLE & powerpc_firmware_features & (feature)))
 
 extern void system_reset_fwnmi(void);
 extern void machine_check_fwnmi(void);