[PATCH] mips: mm: Discard ioremap_cacheable_cow() method

From: Serge Semin
Date: Fri Jul 20 2018 - 16:16:35 EST


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 <fancer.lancer@xxxxxxxxx>
Suggested-by: Christoph Hellwig <hch@xxxxxxxxxxxxx>
CC: Paul Burton <paul.burton@xxxxxxxx>
Cc: James Hogan <jhogan@xxxxxxxxxx>
Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Cc: Sinan Kaya <okaya@xxxxxxxxxxxxxx>
Cc: Huacai Chen <chenhc@xxxxxxxxxx>
Cc: Sergey.Semin@xxxxxxxxxxxxxx
Cc: linux-mips@xxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
arch/mips/include/asm/io.h | 7 -------
1 file changed, 7 deletions(-)

diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
index f613d1df66c0..cd170d920d55 100644
--- a/arch/mips/include/asm/io.h
+++ b/arch/mips/include/asm/io.h
@@ -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))
--
2.12.0