From: Len Brown <len.brown@intel.com>
Date: Fri, 16 Feb 2007 03:11:48 +0000 (-0500)
Subject: ACPI: remove acpi_os_readable(), acpi_os_writable()
X-Git-Tag: v2.6.21-rc1~92^2~7
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fc955f670c0a66aca965605dae797e747b2bef7d;p=linux-2.6

ACPI: remove acpi_os_readable(), acpi_os_writable()

...which are now unused

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

diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 63060a17f7..99d6c51282 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 781394b9ef..2785058c82 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);