x86: unify arch/x86/kernel/acpi/sleep*.c
authorPavel Machek <pavel@ucw.cz>
Wed, 30 Jan 2008 12:32:54 +0000 (13:32 +0100)
committerIngo Molnar <mingo@elte.hu>
Wed, 30 Jan 2008 12:32:54 +0000 (13:32 +0100)
Unify arch/x86/kernel/acpi/sleep*.c

Pretty trivial unification; when two functions differed, it was
usually in error handling, and better of the two was picked up.

Signed-off-by: Pavel Machek <pavel@suse.cz>
Looks-okay-to: Rafael J. Wysocki <rjw@sisk.pl>
Tested-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
arch/x86/kernel/acpi/Makefile
arch/x86/kernel/acpi/sleep.c [new file with mode: 0644]
arch/x86/kernel/acpi/sleep_32.c
arch/x86/kernel/acpi/sleep_64.c [deleted file]

index 1351c3982ee4ee296df1787bdbecc4d6cc815022..19d3d6e9d09b80f359a79de7525344b6d87401b5 100644 (file)
@@ -1,5 +1,5 @@
 obj-$(CONFIG_ACPI)             += boot.o
-obj-$(CONFIG_ACPI_SLEEP)       += sleep_$(BITS).o wakeup_$(BITS).o
+obj-$(CONFIG_ACPI_SLEEP)       += sleep.o wakeup_$(BITS).o
 
 ifneq ($(CONFIG_ACPI_PROCESSOR),)
 obj-y                          += cstate.o processor.o
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
new file mode 100644 (file)
index 0000000..6bc815c
--- /dev/null
@@ -0,0 +1,87 @@
+/*
+ * sleep.c - x86-specific ACPI sleep support.
+ *
+ *  Copyright (C) 2001-2003 Patrick Mochel
+ *  Copyright (C) 2001-2003 Pavel Machek <pavel@suse.cz>
+ */
+
+#include <linux/acpi.h>
+#include <linux/bootmem.h>
+#include <linux/dmi.h>
+#include <linux/cpumask.h>
+
+#include <asm/smp.h>
+
+/* address in low memory of the wakeup routine. */
+unsigned long acpi_wakeup_address = 0;
+unsigned long acpi_realmode_flags;
+extern char wakeup_start, wakeup_end;
+
+extern unsigned long acpi_copy_wakeup_routine(unsigned long);
+
+/**
+ * acpi_save_state_mem - save kernel state
+ *
+ * Create an identity mapped page table and copy the wakeup routine to
+ * low memory.
+ */
+int acpi_save_state_mem(void)
+{
+       if (!acpi_wakeup_address) {
+               printk(KERN_ERR "Could not allocate memory during boot, S3 disabled\n");
+               return -ENOMEM;
+       }
+       memcpy((void *)acpi_wakeup_address, &wakeup_start,
+              &wakeup_end - &wakeup_start);
+       acpi_copy_wakeup_routine(acpi_wakeup_address);
+
+       return 0;
+}
+
+/*
+ * acpi_restore_state - undo effects of acpi_save_state_mem
+ */
+void acpi_restore_state_mem(void)
+{
+}
+
+
+/**
+ * acpi_reserve_bootmem - do _very_ early ACPI initialisation
+ *
+ * We allocate a page from the first 1MB of memory for the wakeup
+ * routine for when we come back from a sleep state. The
+ * runtime allocator allows specification of <16MB pages, but not
+ * <1MB pages.
+ */
+void __init acpi_reserve_bootmem(void)
+{
+       if ((&wakeup_end - &wakeup_start) > PAGE_SIZE*2) {
+               printk(KERN_ERR
+                      "ACPI: Wakeup code way too big, S3 disabled.\n");
+               return;
+       }
+
+       acpi_wakeup_address = (unsigned long)alloc_bootmem_low(PAGE_SIZE*2);
+       if (!acpi_wakeup_address)
+               printk(KERN_ERR "ACPI: Cannot allocate lowmem, S3 disabled.\n");
+}
+
+
+static int __init acpi_sleep_setup(char *str)
+{
+       while ((str != NULL) && (*str != '\0')) {
+               if (strncmp(str, "s3_bios", 7) == 0)
+                       acpi_realmode_flags |= 1;
+               if (strncmp(str, "s3_mode", 7) == 0)
+                       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");
+       }
+       return 1;
+}
+
+__setup("acpi_sleep=", acpi_sleep_setup);
index 09f820d920b169547d1d7ae6b3553b09ec6a05a0..63fe5525e026137f0b21ec8736fbd8aa42fdd437 100644 (file)
 
 #include <asm/smp.h>
 
-/* address in low memory of the wakeup routine. */
-unsigned long acpi_wakeup_address = 0;
-unsigned long acpi_realmode_flags;
-extern char wakeup_start, wakeup_end;
-
-extern unsigned long acpi_copy_wakeup_routine(unsigned long);
-
-/**
- * acpi_save_state_mem - save kernel state
- *
- * Create an identity mapped page table and copy the wakeup routine to
- * low memory.
- */
-int acpi_save_state_mem(void)
-{
-       if (!acpi_wakeup_address)
-               return 1;
-       memcpy((void *)acpi_wakeup_address, &wakeup_start,
-              &wakeup_end - &wakeup_start);
-       acpi_copy_wakeup_routine(acpi_wakeup_address);
-
-       return 0;
-}
-
-/*
- * acpi_restore_state - undo effects of acpi_save_state_mem
- */
-void acpi_restore_state_mem(void)
-{
-}
-
-/**
- * acpi_reserve_bootmem - do _very_ early ACPI initialisation
- *
- * We allocate a page from the first 1MB of memory for the wakeup
- * routine for when we come back from a sleep state. The
- * runtime allocator allows specification of <16MB pages, but not
- * <1MB pages.
- */
-void __init acpi_reserve_bootmem(void)
-{
-       if ((&wakeup_end - &wakeup_start) > PAGE_SIZE) {
-               printk(KERN_ERR
-                      "ACPI: Wakeup code way too big, S3 disabled.\n");
-               return;
-       }
-
-       acpi_wakeup_address = (unsigned long)alloc_bootmem_low(PAGE_SIZE);
-       if (!acpi_wakeup_address)
-               printk(KERN_ERR "ACPI: Cannot allocate lowmem, S3 disabled.\n");
-}
-
-static int __init acpi_sleep_setup(char *str)
-{
-       while ((str != NULL) && (*str != '\0')) {
-               if (strncmp(str, "s3_bios", 7) == 0)
-                       acpi_realmode_flags |= 1;
-               if (strncmp(str, "s3_mode", 7) == 0)
-                       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");
-       }
-       return 1;
-}
-
-__setup("acpi_sleep=", acpi_sleep_setup);
-
 /* 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)
diff --git a/arch/x86/kernel/acpi/sleep_64.c b/arch/x86/kernel/acpi/sleep_64.c
deleted file mode 100644 (file)
index da42de2..0000000
+++ /dev/null
@@ -1,117 +0,0 @@
-/*
- *  acpi.c - Architecture-Specific Low-Level ACPI Support
- *
- *  Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
- *  Copyright (C) 2001 Jun Nakajima <jun.nakajima@intel.com>
- *  Copyright (C) 2001 Patrick Mochel <mochel@osdl.org>
- *  Copyright (C) 2002 Andi Kleen, SuSE Labs (x86-64 port)
- *  Copyright (C) 2003 Pavel Machek, SuSE Labs
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program; if not, write to the Free Software
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/stddef.h>
-#include <linux/slab.h>
-#include <linux/pci.h>
-#include <linux/bootmem.h>
-#include <linux/acpi.h>
-#include <linux/cpumask.h>
-
-#include <asm/mpspec.h>
-#include <asm/io.h>
-#include <asm/apic.h>
-#include <asm/apicdef.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/pgalloc.h>
-#include <asm/io_apic.h>
-#include <asm/proto.h>
-#include <asm/tlbflush.h>
-
-/* --------------------------------------------------------------------------
-                              Low-Level Sleep Support
-   -------------------------------------------------------------------------- */
-
-/* address in low memory of the wakeup routine. */
-unsigned long acpi_wakeup_address = 0;
-unsigned long acpi_realmode_flags;
-extern char wakeup_start, wakeup_end;
-
-extern unsigned long acpi_copy_wakeup_routine(unsigned long);
-
-/**
- * acpi_save_state_mem - save kernel state
- *
- * Create an identity mapped page table and copy the wakeup routine to
- * low memory.
- */
-int acpi_save_state_mem(void)
-{
-       memcpy((void *)acpi_wakeup_address, &wakeup_start,
-              &wakeup_end - &wakeup_start);
-       acpi_copy_wakeup_routine(acpi_wakeup_address);
-
-       return 0;
-}
-
-/*
- * acpi_restore_state
- */
-void acpi_restore_state_mem(void)
-{
-}
-
-/**
- * acpi_reserve_bootmem - do _very_ early ACPI initialisation
- *
- * We allocate a page in low memory for the wakeup
- * routine for when we come back from a sleep state. The
- * runtime allocator allows specification of <16M pages, but not
- * <1M pages.
- */
-void __init acpi_reserve_bootmem(void)
-{
-       acpi_wakeup_address = (unsigned long)alloc_bootmem_low(PAGE_SIZE*2);
-       if ((&wakeup_end - &wakeup_start) > (PAGE_SIZE*2))
-               printk(KERN_CRIT
-                      "ACPI: Wakeup code way too big, will crash on attempt"
-                      " to suspend\n");
-}
-
-static int __init acpi_sleep_setup(char *str)
-{
-       while ((str != NULL) && (*str != '\0')) {
-               if (strncmp(str, "s3_bios", 7) == 0)
-                       acpi_realmode_flags |= 1;
-               if (strncmp(str, "s3_mode", 7) == 0)
-                       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");
-       }
-       return 1;
-}
-
-__setup("acpi_sleep=", acpi_sleep_setup);
-