Re: [U-Boot] [PATCH 12/27] xtensa: Use asm-generic/io.h

[Max Filippov]

On Sat, Oct 1, 2016 at 7:19 AM, Paul Burton  wrote:
> Convert the xtensa architecture to make use of the new asm-generic/io.h
> to provide address mapping functions. As the generic implementations are
> suitable for xtensa this is primarily a matter of moving code.
>
> This has only been build-tested, feedback from architecture maintainers
> is welcome.
>
> Signed-off-by: Paul Burton 
> Cc: Max Filippov 
> ---
>
>  arch/xtensa/include/asm/io.h | 25 ++---
>  1 file changed, 2 insertions(+), 23 deletions(-)

Acked-by: Max Filippov 

-- 
Thanks.
-- Max
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[U-Boot] [PATCH 12/27] xtensa: Use asm-generic/io.h

[Paul Burton]

Convert the xtensa architecture to make use of the new asm-generic/io.h
to provide address mapping functions. As the generic implementations are
suitable for xtensa this is primarily a matter of moving code.

This has only been build-tested, feedback from architecture maintainers
is welcome.

Signed-off-by: Paul Burton 
Cc: Max Filippov 
---

 arch/xtensa/include/asm/io.h | 25 ++---
 1 file changed, 2 insertions(+), 23 deletions(-)

diff --git a/arch/xtensa/include/asm/io.h b/arch/xtensa/include/asm/io.h
index e34d6e1..c9e335f 100644
--- a/arch/xtensa/include/asm/io.h
+++ b/arch/xtensa/include/asm/io.h
@@ -115,29 +115,6 @@ void outsl(unsigned long port, const void *src, unsigned 
long count);
  */
 #define xlate_dev_kmem_ptr(p)   p
 
-#define MAP_NOCACHE(0)
-#define MAP_WRCOMBINE  (0)
-#define MAP_WRBACK (0)
-#define MAP_WRTHROUGH  (0)
-
-static inline void *
-map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)
-{
-   return (void *)paddr;
-}
-
-/*
- * Take down a mapping set up by map_physmem().
- */
-static inline void unmap_physmem(void *vaddr, unsigned long flags)
-{
-}
-
-static inline phys_addr_t virt_to_phys(void *vaddr)
-{
-   return (phys_addr_t)((unsigned long)vaddr);
-}
-
 /*
  * Dummy function to keep U-Boot's cfi_flash.c driver happy.
  */
@@ -145,4 +122,6 @@ static inline void sync(void)
 {
 }
 
+#include 
+
 #endif /* _XTENSA_IO_H */
-- 
2.10.0

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