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Subject[PATCH 13/14] Driver core: Make platform_device_add_data accept a const pointer
From: Scott Wood <>

platform_device_add_data() makes a copy of the data that is given to it,
and thus the parameter can be const. This removes a warning when data
from get_property() on powerpc is handed to platform_device_add_data(),
as get_property() returns a const pointer.

Signed-off-by: Scott Wood <>
Signed-off-by: Andrew Morton <>
Signed-off-by: Greg Kroah-Hartman <>
drivers/base/platform.c | 2 +-
include/linux/platform_device.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 0338289..f9c903b 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -212,7 +212,7 @@ EXPORT_SYMBOL_GPL(platform_device_add_resources);
* pointer. The memory associated with the platform data will be freed
* when the platform device is released.
-int platform_device_add_data(struct platform_device *pdev, void *data, size_t size)
+int platform_device_add_data(struct platform_device *pdev, const void *data, size_t size)
void *d;

diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index 20f47b8..8bbd459 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -39,7 +39,7 @@ extern struct platform_device *platform_device_register_simple(char *, unsigned

extern struct platform_device *platform_device_alloc(const char *name, unsigned int id);
extern int platform_device_add_resources(struct platform_device *pdev, struct resource *res, unsigned int num);
-extern int platform_device_add_data(struct platform_device *pdev, void *data, size_t size);
+extern int platform_device_add_data(struct platform_device *pdev, const void *data, size_t size);
extern int platform_device_add(struct platform_device *pdev);
extern void platform_device_del(struct platform_device *pdev);
extern void platform_device_put(struct platform_device *pdev);
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