diff options
Diffstat (limited to 'backport-include/linux/io.h')
| -rw-r--r-- | backport-include/linux/io.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/backport-include/linux/io.h b/backport-include/linux/io.h new file mode 100644 index 0000000..e04305c --- /dev/null +++ b/backport-include/linux/io.h @@ -0,0 +1,22 @@ +#ifndef __BP_LINUX_IO_H +#define __BP_LINUX_IO_H +#include_next <linux/io.h> + +#ifndef IOMEM_ERR_PTR +#define IOMEM_ERR_PTR(err) (__force void __iomem *)ERR_PTR(err) +#endif + +#if LINUX_VERSION_IS_LESS(4,5,0) +#define __ioread32_copy LINUX_BACKPORT(__ioread32_copy) +void __ioread32_copy(void *to, const void __iomem *from, size_t count); +#endif + +#ifndef writel_relaxed +#define writel_relaxed writel_relaxed +static inline void writel_relaxed(u32 value, volatile void __iomem *addr) +{ + __raw_writel(__cpu_to_le32(value), addr); +} +#endif + +#endif /* __BP_LINUX_IO_H */ |