ACPI: remove acpi_os_readable(), acpi_os_writable()

...which are now unused

Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 0 insertions, 20 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) {