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err.h: move IOMEM_ERR_PTR() to err.h

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Since IOMEM_ERR_PTR() macro deals with an error pointer, a better place
for it is err.h. This helps avoid dependency on io.h for the users that
don't need it.

Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit is contained in:
Raag Jadav 2025-02-12 11:55:02 +05:30 • committed by Andy Shevchenko
parent 2014c95afe
commit 18311a766c
2 changed files with 3 additions and 2 deletions
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3
include/linux/err.h
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@ -44,6 +44,9 @@ static inline void * __must_check ERR_PTR(long error)
/* Return the pointer in the percpu address space. */
#define ERR_PTR_PCPU(error) ((void __percpu *)(unsigned long)ERR_PTR(error))
/* Cast an error pointer to __iomem. */
#define IOMEM_ERR_PTR(error) (__force void __iomem *)ERR_PTR(error)
/**
* PTR_ERR - Extract the error code from an error pointer.
* @ptr: An error pointer.

2
include/linux/io.h
View file

@ -65,8 +65,6 @@ static inline void devm_ioport_unmap(struct device *dev, void __iomem *addr)
}
#endif
#define IOMEM_ERR_PTR(err) (__force void __iomem *)ERR_PTR(err)
void __iomem *devm_ioremap(struct device *dev, resource_size_t offset,
resource_size_t size);
void __iomem *devm_ioremap_uc(struct device *dev, resource_size_t offset,