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coresight: Introduce generic platform data helper

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So far we have hard coded the DT platform parsing code in
every driver. Introduce generic helper to parse the information
provided by the firmware in a platform agnostic manner, in preparation
for the ACPI support.

Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Suzuki K Poulose
2019-06-19 13:52:54 -06:00
committed by Greg Kroah-Hartman
parent a15dab756b
commit f03631da4b
11 changed files with 83 additions and 86 deletions
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7
include/linux/coresight.h
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@@ -294,14 +294,11 @@ static inline void coresight_disclaim_device_unlocked(void __iomem *base) {}
#ifdef CONFIG_OF
extern int of_coresight_get_cpu(const 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 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, const struct device_node *node) { return NULL; }
#endif
struct coresight_platform_data *coresight_get_platform_data(struct device *dev);
#endif