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coresight: use const for device_node structures

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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.

Signed-off-by: Leo Yan <leo.yan@linaro.org>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Leo Yan 2017-06-05 14:15:06 -06:00 committed by Greg Kroah-Hartman
parent 2cd5414028
commit f42fe520e4
2 changed files with 8 additions and 6 deletions
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7
drivers/hwtracing/coresight/of_coresight.c
View File

@ -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;

7
include/linux/coresight.h
View File

@ -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