diff options
| -rw-r--r-- | drivers/acpi/osl.c | 20 | ||||
| -rw-r--r-- | include/acpi/acpiosxf.h | 6 |
2 files changed, 0 insertions, 26 deletions
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 63060a17f7ed..99d6c5128280 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -890,26 +890,6 @@ u32 acpi_os_get_line(char *buffer) } #endif /* ACPI_FUTURE_USAGE */ -/* Assumes no unreadable holes inbetween */ -u8 acpi_os_readable(void *ptr, acpi_size len) -{ -#if defined(__i386__) || defined(__x86_64__) - char tmp; - return !__get_user(tmp, (char __user *)ptr) - && !__get_user(tmp, (char __user *)ptr + len - 1); -#endif - return 1; -} - -#ifdef ACPI_FUTURE_USAGE -u8 acpi_os_writable(void *ptr, acpi_size len) -{ - /* could do dummy write (racy) or a kernel page table lookup. - The later may be difficult at early boot when kmap doesn't work yet. */ - return 1; -} -#endif - acpi_status acpi_os_signal(u32 function, void *info) { switch (function) { diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h index 781394b9efe0..2785058c82ab 100644 --- a/include/acpi/acpiosxf.h +++ b/include/acpi/acpiosxf.h @@ -240,12 +240,6 @@ acpi_status acpi_os_validate_address(u8 space_id, acpi_physical_address address, acpi_size length); -u8 acpi_os_readable(void *pointer, acpi_size length); - -#ifdef ACPI_FUTURE_USAGE -u8 acpi_os_writable(void *pointer, acpi_size length); -#endif - u64 acpi_os_get_timer(void); acpi_status acpi_os_signal(u32 function, void *info); |