diff options
| -rw-r--r-- | arch/arm64/include/asm/acpi.h | 13 | ||||
| -rw-r--r-- | include/acpi/acpi_io.h | 4 |
2 files changed, 17 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; diff --git a/include/acpi/acpi_io.h b/include/acpi/acpi_io.h index 444671e9c65d..dd86c5fc102d 100644 --- a/include/acpi/acpi_io.h +++ b/include/acpi/acpi_io.h @@ -3,11 +3,15 @@ #include <linux/io.h> +#include <asm/acpi.h> + +#ifndef acpi_os_ioremap static inline void __iomem *acpi_os_ioremap(acpi_physical_address phys, acpi_size size) { return ioremap_cache(phys, size); } +#endif void __iomem *__init_refok acpi_os_map_iomem(acpi_physical_address phys, acpi_size size); |