SPDX: Convert all of our single license tags to Linux Kernel style

[u-boot] / include / linux / io.h

diff --git a/include/linux/io.h b/include/linux/io.h
index 1b36a2299e1b095f298e550242207f5141852fde..d1b3efed9daa77b952e4edca0897d79b0eb68cc3 100644 (file)
--- a/include/linux/io.h
+++ b/include/linux/io.h
@@ -1,10 +1,68 @@
-/*
- * SPDX-License-Identifier:    GPL-2.0+
- */
+/* SPDX-License-Identifier: GPL-2.0+ */
 
 #ifndef _LINUX_IO_H
 #define _LINUX_IO_H
 
+#include <linux/compiler.h>
+#include <linux/types.h>
 #include <asm/io.h>
 
+static inline u8 ioread8(const volatile void __iomem *addr)
+{
+       return readb(addr);
+}
+
+static inline u16 ioread16(const volatile void __iomem *addr)
+{
+       return readw(addr);
+}
+
+static inline u32 ioread32(const volatile void __iomem *addr)
+{
+       return readl(addr);
+}
+
+#ifdef CONFIG_64BIT
+static inline u64 ioread64(const volatile void __iomem *addr)
+{
+       return readq(addr);
+}
+#endif /* CONFIG_64BIT */
+
+static inline void iowrite8(u8 value, volatile void __iomem *addr)
+{
+       writeb(value, addr);
+}
+
+static inline void iowrite16(u16 value, volatile void __iomem *addr)
+{
+       writew(value, addr);
+}
+
+static inline void iowrite32(u32 value, volatile void __iomem *addr)
+{
+       writel(value, addr);
+}
+
+#ifdef CONFIG_64BIT
+static inline void iowrite64(u64 value, volatile void __iomem *addr)
+{
+       writeq(value, addr);
+}
+#endif /* CONFIG_64BIT */
+
+#ifndef CONFIG_HAVE_ARCH_IOREMAP
+static inline void __iomem *ioremap(resource_size_t offset,
+                                   resource_size_t size)
+{
+       return (void __iomem *)(unsigned long)offset;
+}
+
+static inline void iounmap(void __iomem *addr)
+{
+}
+
+#define devm_ioremap(dev, offset, size)                ioremap(offset, size)
+#endif
+
 #endif /* _LINUX_IO_H */