]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - arch/i386/kernel/acpi/sleep.c
drivers/firmware: const-ify DMI API and internals
[linux-2.6-omap-h63xx.git] / arch / i386 / kernel / acpi / sleep.c
index 1cb2b186a3aff9ac0cbdc8f4540154a4f5e78e26..10699489cfe7f776e9666ad588cf8265b21642b1 100644 (file)
@@ -8,30 +8,17 @@
 #include <linux/acpi.h>
 #include <linux/bootmem.h>
 #include <linux/dmi.h>
+#include <linux/cpumask.h>
+
 #include <asm/smp.h>
-#include <asm/tlbflush.h>
 
 /* address in low memory of the wakeup routine. */
 unsigned long acpi_wakeup_address = 0;
-unsigned long acpi_video_flags;
+unsigned long acpi_realmode_flags;
 extern char wakeup_start, wakeup_end;
 
-extern void zap_low_mappings(void);
-
 extern unsigned long FASTCALL(acpi_copy_wakeup_routine(unsigned long));
 
-static void init_low_mapping(pgd_t * pgd, int pgd_limit)
-{
-       int pgd_ofs = 0;
-
-       while ((pgd_ofs < pgd_limit)
-              && (pgd_ofs + USER_PTRS_PER_PGD < PTRS_PER_PGD)) {
-               set_pgd(pgd, *(pgd + USER_PTRS_PER_PGD));
-               pgd_ofs++, pgd++;
-       }
-       flush_tlb_all();
-}
-
 /**
  * acpi_save_state_mem - save kernel state
  *
@@ -42,7 +29,6 @@ int acpi_save_state_mem(void)
 {
        if (!acpi_wakeup_address)
                return 1;
-       init_low_mapping(swapper_pg_dir, USER_PTRS_PER_PGD);
        memcpy((void *)acpi_wakeup_address, &wakeup_start,
               &wakeup_end - &wakeup_start);
        acpi_copy_wakeup_routine(acpi_wakeup_address);
@@ -55,7 +41,6 @@ int acpi_save_state_mem(void)
  */
 void acpi_restore_state_mem(void)
 {
-       zap_low_mappings();
 }
 
 /**
@@ -83,9 +68,11 @@ static int __init acpi_sleep_setup(char *str)
 {
        while ((str != NULL) && (*str != '\0')) {
                if (strncmp(str, "s3_bios", 7) == 0)
-                       acpi_video_flags = 1;
+                       acpi_realmode_flags |= 1;
                if (strncmp(str, "s3_mode", 7) == 0)
-                       acpi_video_flags |= 2;
+                       acpi_realmode_flags |= 2;
+               if (strncmp(str, "s3_beep", 7) == 0)
+                       acpi_realmode_flags |= 4;
                str = strchr(str, ',');
                if (str != NULL)
                        str += strspn(str, ", \t");
@@ -95,9 +82,11 @@ static int __init acpi_sleep_setup(char *str)
 
 __setup("acpi_sleep=", acpi_sleep_setup);
 
-static __init int reset_videomode_after_s3(struct dmi_system_id *d)
+/* Ouch, we want to delete this. We already have better version in userspace, in
+   s2ram from suspend.sf.net project */
+static __init int reset_videomode_after_s3(const struct dmi_system_id *d)
 {
-       acpi_video_flags |= 2;
+       acpi_realmode_flags |= 2;
        return 0;
 }