linux-kernel - [PATCH 1/2] devres: support sizes greater than an unsigned long

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Date:	Tue, 7 Oct 2014 18:25:43 +0300
From:	Cristian Stoica <cristian.stoica@...escale.com>
To:	<gregkh@...uxfoundation.org>, <linux-kernel@...r.kernel.org>,
	<hjk@...sjkoch.de>
CC:	Cristian Stoica <cristian.stoica@...escale.com>
Subject: [PATCH 1/2] devres: support sizes greater than an unsigned long

As in 4f452e8aa492c0b8028ca9b4bdb4d018ba28c6c7, use resource_size_t
to accomodate sizes greater than the size of an unsigned long int on
platforms that have more than 32 bit physical addresses.

Signed-off-by: Cristian Stoica <cristian.stoica@...escale.com>
---
 include/linux/io.h | 4 ++--
 lib/devres.c       | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/io.h b/include/linux/io.h
index d5fc9b8..fa02e55 100644
--- a/include/linux/io.h
+++ b/include/linux/io.h
@@ -61,9 +61,9 @@ static inline void devm_ioport_unmap(struct device *dev, void __iomem *addr)
 #define IOMEM_ERR_PTR(err) (__force void __iomem *)ERR_PTR(err)
 
 void __iomem *devm_ioremap(struct device *dev, resource_size_t offset,
-			    unsigned long size);
+			   resource_size_t size);
 void __iomem *devm_ioremap_nocache(struct device *dev, resource_size_t offset,
-				    unsigned long size);
+				   resource_size_t size);
 void devm_iounmap(struct device *dev, void __iomem *addr);
 int check_signature(const volatile void __iomem *io_addr,
 			const unsigned char *signature, int length);
diff --git a/lib/devres.c b/lib/devres.c
index f4a195a..0f1dd2e 100644
--- a/lib/devres.c
+++ b/lib/devres.c
@@ -23,7 +23,7 @@ static int devm_ioremap_match(struct device *dev, void *res, void *match_data)
  * Managed ioremap().  Map is automatically unmapped on driver detach.
  */
 void __iomem *devm_ioremap(struct device *dev, resource_size_t offset,
-			   unsigned long size)
+			   resource_size_t size)
 {
 	void __iomem **ptr, *addr;
 
@@ -52,7 +52,7 @@ EXPORT_SYMBOL(devm_ioremap);
  * detach.
  */
 void __iomem *devm_ioremap_nocache(struct device *dev, resource_size_t offset,
-				   unsigned long size)
+				   resource_size_t size)
 {
 	void __iomem **ptr, *addr;
 
-- 
1.8.3.1

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