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arch: rely on asm-generic/io.h for default ioremap_* definitions

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Various architectures that use asm-generic/io.h still defined their
own default versions of ioremap_nocache, ioremap_wt and ioremap_wc
that point back to plain ioremap directly or indirectly.  Remove these
definitions and rely on asm-generic/io.h instead.  For this to work
the backup ioremap_* defintions needs to be changed to purely cpp
macros instea of inlines to cover for architectures like openrisc
that only define ioremap after including <asm-generic/io.h>.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Palmer Dabbelt <palmer@dabbelt.com>
This commit is contained in:
Christoph Hellwig
2019-10-16 08:09:38 +02:00
parent 97c9801a15
commit d092a87073
13 changed files with 3 additions and 51 deletions
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arch/openrisc/include/asm/io.h
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@@ -25,7 +25,6 @@
#define PIO_OFFSET 0
#define PIO_MASK 0
#define ioremap_nocache ioremap
#include <asm-generic/io.h>
#include <asm/pgtable.h>