diff options
Diffstat (limited to 'arch/arm64/include/asm/acpi.h')
| -rw-r--r-- | arch/arm64/include/asm/acpi.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/acpi.h b/arch/arm64/include/asm/acpi.h index 8b837ab59988..40e092483e96 100644 --- a/arch/arm64/include/asm/acpi.h +++ b/arch/arm64/include/asm/acpi.h @@ -12,8 +12,21 @@ #ifndef _ASM_ACPI_H #define _ASM_ACPI_H +#include <linux/mm.h> + /* Basic configuration for ACPI */ #ifdef CONFIG_ACPI +/* ACPI table mapping after acpi_gbl_permanent_mmap is set */ +static inline void __iomem *acpi_os_ioremap(acpi_physical_address phys, + acpi_size size) +{ + if (!page_is_ram(phys >> PAGE_SHIFT)) + return ioremap(phys, size); + + return ioremap_cache(phys, size); +} +#define acpi_os_ioremap acpi_os_ioremap + #define acpi_strict 1 /* No out-of-spec workarounds on ARM64 */ extern int acpi_disabled; extern int acpi_noirq; |