--- zzzz-none-000/linux-3.10.107/arch/arm/mach-omap2/pmu.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/arm/mach-omap2/pmu.c	2021-02-04 17:41:59.000000000 +0000
@@ -13,7 +13,7 @@
  */
 #include <linux/of.h>
 
-#include <asm/pmu.h>
+#include <asm/system_info.h>
 
 #include "soc.h"
 #include "omap_hwmod.h"
@@ -37,7 +37,8 @@
 {
 	int i;
 	struct omap_hwmod *oh[3];
-	char *dev_name = "arm-pmu";
+	char *dev_name = cpu_architecture() == CPU_ARCH_ARMv6 ?
+			 "armv6-pmu" : "armv7-pmu";
 
 	if ((!oh_num) || (oh_num > 3))
 		return -EINVAL;
@@ -54,10 +55,7 @@
 	WARN(IS_ERR(omap_pmu_dev), "Can't build omap_device for %s.\n",
 	     dev_name);
 
-	if (IS_ERR(omap_pmu_dev))
-		return PTR_ERR(omap_pmu_dev);
-
-	return 0;
+	return PTR_ERR_OR_ZERO(omap_pmu_dev);
 }
 
 static int __init omap_init_pmu(void)