[PATCH v5 5/9] coresight: use const for device_node structures
From: Leo Yan <hidden>
Date: 2017-03-25 18:26:03
Also in:
linux-arm-msm, linux-clk, linux-devicetree, lkml
Subsystem:
arm/coresight framework and drivers, hardware tracing facilities, the rest · Maintainers:
Suzuki K Poulose, Alexander Shishkin, Linus Torvalds
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 <redacted> --- drivers/hwtracing/coresight/of_coresight.c | 6 +++--- include/linux/coresight.h | 8 ++++---- 2 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/hwtracing/coresight/of_coresight.c b/drivers/hwtracing/coresight/of_coresight.c
index 78d2399..46eec0f 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;
@@ -101,7 +101,7 @@ static int of_coresight_alloc_memory(struct device *dev, return 0; } -int of_coresight_get_cpu(struct device_node *node) +int of_coresight_get_cpu(const struct device_node *node) { int cpu; bool found;
@@ -128,7 +128,7 @@ int of_coresight_get_cpu(struct device_node *node) EXPORT_SYMBOL_GPL(of_coresight_get_cpu); struct coresight_platform_data *of_get_coresight_platform_data( - struct device *dev, struct device_node *node) + struct device *dev, const struct device_node *node) { int i = 0, ret = 0; struct coresight_platform_data *pdata;
diff --git a/include/linux/coresight.h b/include/linux/coresight.h
index bf96678..4915254 100644
--- a/include/linux/coresight.h
+++ b/include/linux/coresight.h@@ -263,13 +263,13 @@ static inline int coresight_timeout(void __iomem *addr, u32 offset, #endif #ifdef CONFIG_OF -extern int of_coresight_get_cpu(struct device_node *node); +extern int of_coresight_get_cpu(const struct device_node *node); extern struct coresight_platform_data *of_get_coresight_platform_data( - struct device *dev, struct device_node *node); + struct device *dev, const struct device_node *node); #else -static inline int of_coresight_get_cpu(struct device_node *node) { return 0; } +static inline int of_coresight_get_cpu(const struct device_node *node) { return 0; } 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
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2.7.4