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x86/io: Remove xlate_dev_kmem_ptr() duplication

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Generic header defines xlate_dev_kmem_ptr().

Reuse it from generic header and remove in x86 code.
Move a description to the generic header as well.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Baolin Wang <baolin.wang@spreadtrum.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: intel-gfx@lists.freedesktop.org
Cc: linux-i2c@vger.kernel.org
Cc: wsa@the-dreams.de
Link: http://lkml.kernel.org/r/20170630170934.83028-5-andriy.shevchenko@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Andy Shevchenko 2017-06-30 20:09:33 +03:00 committed by Ingo Molnar
parent c2327da06b
commit eabc2a7c49
2 changed files with 3 additions and 5 deletions
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5
arch/x86/include/asm/io.h
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@ -215,11 +215,6 @@ extern void set_iounmap_nonlazy(void);
#include <asm-generic/iomap.h> #include <asm-generic/iomap.h>
/*
* Convert a virtual cached pointer to an uncached pointer
*/
#define xlate_dev_kmem_ptr(p) p
/* /*
* ISA space is 'always mapped' on a typical x86 system, no need to * ISA space is 'always mapped' on a typical x86 system, no need to
* explicitly ioremap() it. The fact that the ISA IO space is mapped * explicitly ioremap() it. The fact that the ISA IO space is mapped

3
include/asm-generic/io.h
View File

@ -915,6 +915,9 @@ extern void ioport_unmap(void __iomem *p);
#endif /* CONFIG_GENERIC_IOMAP */ #endif /* CONFIG_GENERIC_IOMAP */
#endif /* CONFIG_HAS_IOPORT_MAP */ #endif /* CONFIG_HAS_IOPORT_MAP */
/*
* Convert a virtual cached pointer to an uncached pointer
*/
#ifndef xlate_dev_kmem_ptr #ifndef xlate_dev_kmem_ptr
#define xlate_dev_kmem_ptr xlate_dev_kmem_ptr #define xlate_dev_kmem_ptr xlate_dev_kmem_ptr
static inline void *xlate_dev_kmem_ptr(void *addr) static inline void *xlate_dev_kmem_ptr(void *addr)