linux-kernel - [PATCH] platform: Make platform resources input parameters const

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Date:	Sun, 5 Apr 2009 12:14:44 +0200 (CEST)
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Greg Kroah-Hartman <gregkh@...e.de>
cc:	Linux Kernel Development <linux-kernel@...r.kernel.org>
Subject: [PATCH] platform: Make platform resources input parameters const

Make the platform resources input parameters of platform_device_add_resources()
and platform_device_register_simple() const, as the resources are copied and
never modified.

Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
---
 drivers/base/platform.c         |    4 ++--
 include/linux/platform_device.h |    6 ++++--
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index d2198f6..25e23f9 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -184,7 +184,7 @@ EXPORT_SYMBOL_GPL(platform_device_alloc);
  * released.
  */
 int platform_device_add_resources(struct platform_device *pdev,
-				  struct resource *res, unsigned int num)
+				  const struct resource *res, unsigned int num)
 {
 	struct resource *r;
 
@@ -379,7 +379,7 @@ EXPORT_SYMBOL_GPL(platform_device_unregister);
  */
 struct platform_device *platform_device_register_simple(const char *name,
 							int id,
-							struct resource *res,
+							const struct resource *res,
 							unsigned int num)
 {
 	struct platform_device *pdev;
diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index 76e470a..e5c2b64 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -42,12 +42,14 @@ extern int platform_get_irq_byname(struct platform_device *, char *);
 extern int platform_add_devices(struct platform_device **, int);
 
 extern struct platform_device *platform_device_register_simple(const char *, int id,
-					struct resource *, unsigned int);
+					const struct resource *, unsigned int);
 extern struct platform_device *platform_device_register_data(struct device *,
 		const char *, int, const void *, size_t);
 
 extern struct platform_device *platform_device_alloc(const char *name, int id);
-extern int platform_device_add_resources(struct platform_device *pdev, struct resource *res, unsigned int num);
+extern int platform_device_add_resources(struct platform_device *pdev,
+					 const struct resource *res,
+					 unsigned int num);
 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);
-- 
1.6.2.1

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds
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