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mips: mm: Discard ioremap_cacheable_cow() method

PATCH Applied Serge Semin 2 participants 2 messages Jul 20, 2018 MIPS

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Serge Semin

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#0 lore raw

PATCH 1/1 mips: mm: Discard ioremap_cacheable_cow() method

This macro substitution is the shortcut to map cacheable IO memory with coherent and write-back attributes. Since it is entirely unused by kernel, lets just remove it.

Signed-off-by Serge Semin <[email protected]>
Suggested-by Christoph Hellwig <[email protected]>
CC Paul Burton <[email protected]>
Cc James Hogan <[email protected]>
Cc Ralf Baechle <[email protected]>
Cc Sinan Kaya <[email protected]>
Cc Huacai Chen <[email protected]>
Cc [email protected]
Cc [email protected]
Cc [email protected]
---
 arch/mips/include/asm/io.h | 7 -------
 1 file changed, 7 deletions(-)
arch/mips/include/asm/io.h +0 -7
index f613d1df66c0..cd170d920d55 100644
@@ -300,13 +300,6 @@ static inline void __iomem * __ioremap_mode(phys_addr_t offset, unsigned long si
 #define ioremap_wc(offset, size)					\
 	__ioremap_mode((offset), (size), boot_cpu_data.writecombine)
 
-/*
- * This is a MIPS specific ioremap variant. ioremap_cacheable_cow
- * requests a cachable mapping with CWB attribute enabled.
- */
-#define ioremap_cacheable_cow(offset, size)				\
-	__ioremap_mode((offset), (size), _CACHE_CACHABLE_COW)
-
 static inline void iounmap(const volatile void __iomem *addr)
 {
 	if (plat_iounmap(addr))
Signature · 1 line
2.12.0
Applied
#1 lore raw

Hi Serge,

Quoted 14 lines · Serge Semin

This macro substitution is the shortcut to map cacheable IO memory with coherent and write-back attributes. Since it is entirely unused by kernel, lets just remove it.

Signed-off-by Serge Semin <[email protected]>
Suggested-by Christoph Hellwig <[email protected]>
CC Paul Burton <[email protected]>
Cc James Hogan <[email protected]>
Cc Ralf Baechle <[email protected]>
Cc Sinan Kaya <[email protected]>
Cc Huacai Chen <[email protected]>
Cc [email protected]
Cc [email protected]
Cc [email protected]
Quoted 3 lines
---
 arch/mips/include/asm/io.h | 7 -------
 1 file changed, 7 deletions(-)

Applied to mips-next for 4.19, thanks!

Paul