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-rw-r--r--drivers/of/base.c28
-rw-r--r--drivers/of/fdt.c9
-rw-r--r--drivers/of/of_mdio.c1
3 files changed, 34 insertions, 4 deletions
diff --git a/drivers/of/base.c b/drivers/of/base.c
index d4bea3c797d6..a88387bc0ac1 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -25,6 +25,7 @@
#include <linux/cpu.h>
#include <linux/module.h>
#include <linux/of.h>
+#include <linux/of_device.h>
#include <linux/of_graph.h>
#include <linux/spinlock.h>
#include <linux/slab.h>
@@ -2112,7 +2113,7 @@ void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align))
continue;
/* Allocate an alias_prop with enough space for the stem */
- ap = dt_alloc(sizeof(*ap) + len + 1, 4);
+ ap = dt_alloc(sizeof(*ap) + len + 1, __alignof__(*ap));
if (!ap)
continue;
memset(ap, 0, sizeof(*ap) + len + 1);
@@ -2268,6 +2269,31 @@ struct device_node *of_find_next_cache_node(const struct device_node *np)
}
/**
+ * of_find_last_cache_level - Find the level at which the last cache is
+ * present for the given logical cpu
+ *
+ * @cpu: cpu number(logical index) for which the last cache level is needed
+ *
+ * Returns the the level at which the last cache is present. It is exactly
+ * same as the total number of cache levels for the given logical cpu.
+ */
+int of_find_last_cache_level(unsigned int cpu)
+{
+ u32 cache_level = 0;
+ struct device_node *prev = NULL, *np = of_cpu_device_node_get(cpu);
+
+ while (np) {
+ prev = np;
+ of_node_put(np);
+ np = of_find_next_cache_node(np);
+ }
+
+ of_property_read_u32(prev, "cache-level", &cache_level);
+
+ return cache_level;
+}
+
+/**
* of_graph_parse_endpoint() - parse common endpoint node properties
* @node: pointer to endpoint device_node
* @endpoint: pointer to the OF endpoint data structure
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index c9b5cac03b36..82967b07f7be 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -738,9 +738,12 @@ int __init of_scan_flat_dt(int (*it)(unsigned long node,
const char *pathp;
int offset, rc = 0, depth = -1;
- for (offset = fdt_next_node(blob, -1, &depth);
- offset >= 0 && depth >= 0 && !rc;
- offset = fdt_next_node(blob, offset, &depth)) {
+ if (!blob)
+ return 0;
+
+ for (offset = fdt_next_node(blob, -1, &depth);
+ offset >= 0 && depth >= 0 && !rc;
+ offset = fdt_next_node(blob, offset, &depth)) {
pathp = fdt_get_name(blob, offset, NULL);
if (*pathp == '/')
diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c
index 262281bd68fa..0b2979816dbf 100644
--- a/drivers/of/of_mdio.c
+++ b/drivers/of/of_mdio.c
@@ -147,6 +147,7 @@ EXPORT_SYMBOL(of_mdio_parse_addr);
*/
static const struct of_device_id whitelist_phys[] = {
{ .compatible = "brcm,40nm-ephy" },
+ { .compatible = "broadcom,bcm5241" },
{ .compatible = "marvell,88E1111", },
{ .compatible = "marvell,88e1116", },
{ .compatible = "marvell,88e1118", },