Almost low level functions from open firmware have used const to
qualify device_node structures, so add const for device_node
parameters in of_coresight related functions.
Reviewed-by: Stephen Boyd <sb...@codeaurora.org>
Signed-off-by: Leo Yan <leo....@linaro.org>
---
drivers/hwtracing/coresight/of_coresight.c | 7 ++++---
include/linux/coresight.h | 7 ++++---
2 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/drivers/hwtracing/coresight/of_coresight.c
b/drivers/hwtracing/coresight/of_coresight.c
index 629e031..b101590 100644
--- a/drivers/hwtracing/coresight/of_coresight.c
+++ b/drivers/hwtracing/coresight/of_coresight.c
@@ -52,7 +52,7 @@ of_coresight_get_endpoint_device(struct device_node *endpoint)
endpoint, of_dev_node_match);
}
-static void of_coresight_get_ports(struct device_node *node,
+static void of_coresight_get_ports(const struct device_node *node,
int *nr_inport, int *nr_outport)
{
struct device_node *ep = NULL;
@@ -101,8 +101,9 @@ static int of_coresight_alloc_memory(struct device *dev,
return 0;
}
-struct coresight_platform_data *of_get_coresight_platform_data(
- struct device *dev, struct device_node *node)
+struct coresight_platform_data *
+of_get_coresight_platform_data(struct device *dev,
+ const struct device_node *node)
{
int i = 0, ret = 0, cpu;
struct coresight_platform_data *pdata;
diff --git a/include/linux/coresight.h b/include/linux/coresight.h
index 2a5982c..b198168 100644
--- a/include/linux/coresight.h
+++ b/include/linux/coresight.h
@@ -263,11 +263,12 @@ static inline int coresight_timeout(void __iomem *addr,
u32 offset,
#endif
#ifdef CONFIG_OF
-extern struct coresight_platform_data *of_get_coresight_platform_data(
- struct device *dev, struct device_node *node);
+extern struct coresight_platform_data *
+of_get_coresight_platform_data(struct device *dev,
+ const struct device_node *node);
#else
static inline struct coresight_platform_data *of_get_coresight_platform_data(
- struct device *dev, struct device_node *node) { return NULL; }
+ struct device *dev, const struct device_node *node) { return NULL; }
#endif
#ifdef CONFIG_PID_NS
--
2.7.4
