#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
+ */
+#ifdef CONFIG_HAS_IOPORT
+void __iomem * devm_ioport_map(struct device *dev, unsigned long port,
+ unsigned int nr);
+void devm_ioport_unmap(struct device *dev, void __iomem *addr);
+#else
+static inline void __iomem *devm_ioport_map(struct device *dev,
+ unsigned long port,
+ unsigned int nr)
+{
+ return NULL;
+}
+
+static inline void devm_ioport_unmap(struct device *dev, void __iomem *addr)
+{
+}
+#endif
+
+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