3 files changed, 14 insertions, 0 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 8272ea4c7264..378525aaadcc 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -56,6 +56,7 @@ config MIPS
 	select HAVE_FUNCTION_TRACER
 	select HAVE_GENERIC_DMA_COHERENT
 	select HAVE_IDE
+	select HAVE_IOREMAP_PROT
 	select HAVE_IRQ_EXIT_ON_IRQ_STACK
 	select HAVE_IRQ_TIME_ACCOUNTING
 	select HAVE_KPROBES
diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
index 266257d56fb6..b5322f7386bf 100644
--- a/arch/mips/include/asm/io.h
+++ b/arch/mips/include/asm/io.h
@@ -218,6 +218,18 @@ static inline void __iomem * __ioremap_mode(phys_addr_t offset, unsigned long si
 }
 
 /*
+ * ioremap_prot     -   map bus memory into CPU space
+ * @offset:    bus address of the memory
+ * @size:      size of the resource to map
+
+ * ioremap_prot gives the caller control over cache coherency attributes (CCA)
+ */
+static inline void __iomem *ioremap_prot(phys_addr_t offset,
+		unsigned long size, unsigned long prot_val) {
+	return __ioremap_mode(offset, size, prot_val & _CACHE_MASK);
+}
+
+/*
  * ioremap     -   map bus memory into CPU space
  * @offset:    bus address of the memory
  * @size:      size of the resource to map
diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h
index e8cc328fce2d..6b31c93b5eaa 100644
--- a/arch/mips/include/asm/page.h
+++ b/arch/mips/include/asm/page.h
@@ -154,6 +154,7 @@ typedef struct { unsigned long pgd; } pgd_t;
 typedef struct { unsigned long pgprot; } pgprot_t;
 #define pgprot_val(x)	((x).pgprot)
 #define __pgprot(x)	((pgprot_t) { (x) } )
+#define pte_pgprot(x)	__pgprot(pte_val(x) & ~_PFN_MASK)
 
 /*
  * On R4000-style MMUs where a TLB entry is mapping a adjacent even / odd