4 files changed, 18 insertions, 1 deletions
diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c
index 9c2ba1c97c42..df0c66cb7ad3 100644
--- a/drivers/base/cacheinfo.c
+++ b/drivers/base/cacheinfo.c
@@ -179,7 +179,7 @@ static int detect_cache_attributes(unsigned int cpu)
 {
 	int ret;
 
-	if (init_cache_level(cpu))
+	if (init_cache_level(cpu) || !cache_leaves(cpu))
 		return -ENOENT;
 
 	per_cpu_cacheinfo(cpu) = kcalloc(cache_leaves(cpu),
diff --git a/drivers/base/init.c b/drivers/base/init.c
index da033d3bab3c..48c0e220acc0 100644
--- a/drivers/base/init.c
+++ b/drivers/base/init.c
@@ -8,6 +8,7 @@
 #include <linux/device.h>
 #include <linux/init.h>
 #include <linux/memory.h>
+#include <linux/of.h>
 
 #include "base.h"
 
@@ -34,4 +35,5 @@ void __init driver_init(void)
 	cpu_dev_init();
 	memory_dev_init();
 	container_dev_init();
+	of_core_init();
 }
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index 5070c4fe8542..4ffe4a2add76 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -741,6 +741,7 @@ static int rpm_resume(struct device *dev, int rpmflags)
 	} else {
  no_callback:
 		__update_runtime_status(dev, RPM_ACTIVE);
+		pm_runtime_mark_last_busy(dev);
 		if (parent)
 			atomic_inc(&parent->power.child_count);
 	}
diff --git a/drivers/base/property.c b/drivers/base/property.c
index 1d0b116cae95..e645852396ba 100644
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -14,6 +14,7 @@
 #include <linux/export.h>
 #include <linux/kernel.h>
 #include <linux/of.h>
+#include <linux/of_address.h>
 #include <linux/property.h>
 
 /**
@@ -519,3 +520,16 @@ unsigned int device_get_child_node_count(struct device *dev)
 	return count;
 }
 EXPORT_SYMBOL_GPL(device_get_child_node_count);
+
+bool device_dma_is_coherent(struct device *dev)
+{
+	bool coherent = false;
+
+	if (IS_ENABLED(CONFIG_OF) && dev->of_node)
+		coherent = of_dma_is_coherent(dev->of_node);
+	else
+		acpi_check_dma(ACPI_COMPANION(dev), &coherent);
+
+	return coherent;
+}
+EXPORT_SYMBOL_GPL(device_dma_is_coherent);