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Diffstat (limited to 'include/linux/io.h')
-rw-r--r--include/linux/io.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/io.h b/include/linux/io.h
index 81877ea39309..c244a0cc9319 100644
--- a/include/linux/io.h
+++ b/include/linux/io.h
@@ -22,12 +22,27 @@
#include <asm/io.h>
#include <asm/page.h>
+struct device;
+
void __iowrite32_copy(void __iomem *to, const void *from, size_t count);
void __iowrite64_copy(void __iomem *to, const void *from, size_t count);
int ioremap_page_range(unsigned long addr, unsigned long end,
unsigned long phys_addr, pgprot_t prot);
+/*
+ * Managed iomap interface
+ */
+void __iomem * devm_ioport_map(struct device *dev, unsigned long port,
+ unsigned int nr);
+void devm_ioport_unmap(struct device *dev, void __iomem *addr);
+
+void __iomem * devm_ioremap(struct device *dev, unsigned long offset,
+ unsigned long size);
+void __iomem * devm_ioremap_nocache(struct device *dev, unsigned long offset,
+ unsigned long size);
+void devm_iounmap(struct device *dev, void __iomem *addr);
+
/**
* check_signature - find BIOS signatures
* @io_addr: mmio address to check