diff options
Diffstat (limited to 'arch/riscv/include')
| -rw-r--r-- | arch/riscv/include/asm/io.h | 3 | ||||
| -rw-r--r-- | arch/riscv/include/asm/pgtable.h | 6 |
2 files changed, 6 insertions, 3 deletions
diff --git a/arch/riscv/include/asm/io.h b/arch/riscv/include/asm/io.h index 8a5733c09e45..1dd26d964170 100644 --- a/arch/riscv/include/asm/io.h +++ b/arch/riscv/include/asm/io.h @@ -15,9 +15,6 @@ #include <asm/mmiowb.h> #include <asm/pgtable.h> -extern void __iomem *ioremap(phys_addr_t offset, unsigned long size); -extern void iounmap(volatile void __iomem *addr); - /* Generic IO read/write. These perform native-endian accesses. */ #define __raw_writeb __raw_writeb static inline void __raw_writeb(u8 val, volatile void __iomem *addr) diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h index d3221017194d..d51ce5ac20bd 100644 --- a/arch/riscv/include/asm/pgtable.h +++ b/arch/riscv/include/asm/pgtable.h @@ -62,6 +62,12 @@ #define PAGE_TABLE __pgprot(_PAGE_TABLE) +/* + * The RISC-V ISA doesn't yet specify how to query or modify PMAs, so we can't + * change the properties of memory regions. + */ +#define _PAGE_IOREMAP _PAGE_KERNEL + extern pgd_t swapper_pg_dir[]; /* MAP_PRIVATE permissions: xwr (copy-on-write) */ |