From: Paul Mundt <lethal@linux-sh.org>
Date: Fri, 12 Sep 2008 11:41:05 +0000 (+0900)
Subject: sh: ioremap_prot support.
X-Git-Tag: v2.6.28-rc1~99^2~55
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=cb700aa4f13d38726defab3060d3ebeaf67dc189;p=karo-tx-linux.git

sh: ioremap_prot support.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
---

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index bbdcd6418ef5..434183eb4f12 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -12,6 +12,7 @@ config SUPERH
 	select HAVE_IDE
 	select HAVE_OPROFILE
 	select HAVE_GENERIC_DMA_COHERENT
+	select HAVE_IOREMAP_PROT
 	help
 	  The SuperH is a RISC processor targeted for use in embedded systems
 	  and consumer electronics; it was also used in the Sega Dreamcast
diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h
index e49cfee95fb2..1857666136f2 100644
--- a/arch/sh/include/asm/io.h
+++ b/arch/sh/include/asm/io.h
@@ -347,6 +347,8 @@ __ioremap_mode(unsigned long offset, unsigned long size, unsigned long flags)
 	__ioremap_mode((offset), (size), _PAGE_CACHABLE)
 #define p3_ioremap(offset, size, flags)			\
 	__ioremap((offset), (size), (flags))
+#define ioremap_prot(offset, size, flags)		\
+	__ioremap_mode((offset), (size), (flags))
 #define iounmap(addr)					\
 	__iounmap((addr))
 
diff --git a/arch/sh/include/asm/page.h b/arch/sh/include/asm/page.h
index 77fb8bf02e4e..5871d78e47e5 100644
--- a/arch/sh/include/asm/page.h
+++ b/arch/sh/include/asm/page.h
@@ -104,6 +104,8 @@ typedef struct { unsigned long pgd; } pgd_t;
 
 typedef struct page *pgtable_t;
 
+#define pte_pgprot(x) __pgprot(pte_val(x) & PTE_FLAGS_MASK)
+
 #endif /* !__ASSEMBLY__ */
 
 /*
diff --git a/arch/sh/include/asm/pgtable.h b/arch/sh/include/asm/pgtable.h
index a4a8f8b93463..52220d70a096 100644
--- a/arch/sh/include/asm/pgtable.h
+++ b/arch/sh/include/asm/pgtable.h
@@ -76,6 +76,7 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
 #endif
 
 #define PTE_PHYS_MASK		(PHYS_ADDR_MASK & PAGE_MASK)
+#define PTE_FLAGS_MASK		(~(PTE_PHYS_MASK) << PAGE_SHIFT)
 
 #ifdef CONFIG_SUPERH32
 #define VMALLOC_START	(P3SEG)