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authorHeiko Carstens <heiko.carstens@de.ibm.com>2009-09-11 04:28:37 -0400
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2009-09-11 04:29:45 -0400
commitc48ff644f2c86f34f69f382b68b16c6d30854783 (patch)
tree606db1e957310db21f293f621f1bae08714ec285 /arch/s390
parentf3d1263e81daf2be1353baf1ad3f6e25d135f2c5 (diff)
[S390] hibernation: merge files and move to kernel/
Merge the nearly empty C files and move everything from power/ to kernel/. That way the files are easier to handle. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/Makefile3
-rw-r--r--arch/s390/kernel/Makefile2
-rw-r--r--arch/s390/kernel/suspend.c (renamed from arch/s390/power/swsusp.c)35
-rw-r--r--arch/s390/kernel/swsusp_asm64.S (renamed from arch/s390/power/swsusp_asm64.S)2
-rw-r--r--arch/s390/power/Makefile7
-rw-r--r--arch/s390/power/suspend.c40
6 files changed, 36 insertions, 53 deletions
diff --git a/arch/s390/Makefile b/arch/s390/Makefile
index 0ff387cebf88..fc8fb20e7fc0 100644
--- a/arch/s390/Makefile
+++ b/arch/s390/Makefile
@@ -88,8 +88,7 @@ LDFLAGS_vmlinux := -e start
88head-y := arch/s390/kernel/head.o arch/s390/kernel/init_task.o 88head-y := arch/s390/kernel/head.o arch/s390/kernel/init_task.o
89 89
90core-y += arch/s390/mm/ arch/s390/kernel/ arch/s390/crypto/ \ 90core-y += arch/s390/mm/ arch/s390/kernel/ arch/s390/crypto/ \
91 arch/s390/appldata/ arch/s390/hypfs/ arch/s390/kvm/ \ 91 arch/s390/appldata/ arch/s390/hypfs/ arch/s390/kvm/
92 arch/s390/power/
93 92
94libs-y += arch/s390/lib/ 93libs-y += arch/s390/lib/
95drivers-y += drivers/s390/ 94drivers-y += drivers/s390/
diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile
index 794955305f38..c7be8e10b87e 100644
--- a/arch/s390/kernel/Makefile
+++ b/arch/s390/kernel/Makefile
@@ -32,7 +32,7 @@ extra-y += head.o init_task.o vmlinux.lds
32 32
33obj-$(CONFIG_MODULES) += s390_ksyms.o module.o 33obj-$(CONFIG_MODULES) += s390_ksyms.o module.o
34obj-$(CONFIG_SMP) += smp.o topology.o 34obj-$(CONFIG_SMP) += smp.o topology.o
35 35obj-$(CONFIG_HIBERNATION) += suspend.o swsusp_asm64.o
36obj-$(CONFIG_AUDIT) += audit.o 36obj-$(CONFIG_AUDIT) += audit.o
37compat-obj-$(CONFIG_AUDIT) += compat_audit.o 37compat-obj-$(CONFIG_AUDIT) += compat_audit.o
38obj-$(CONFIG_COMPAT) += compat_linux.o compat_signal.o \ 38obj-$(CONFIG_COMPAT) += compat_linux.o compat_signal.o \
diff --git a/arch/s390/power/swsusp.c b/arch/s390/kernel/suspend.c
index bd1f5c6b0b8c..086bee970cae 100644
--- a/arch/s390/power/swsusp.c
+++ b/arch/s390/kernel/suspend.c
@@ -1,13 +1,44 @@
1/* 1/*
2 * Support for suspend and resume on s390 2 * Suspend support specific for s390.
3 * 3 *
4 * Copyright IBM Corp. 2009 4 * Copyright IBM Corp. 2009
5 * 5 *
6 * Author(s): Hans-Joachim Picht <hans@linux.vnet.ibm.com> 6 * Author(s): Hans-Joachim Picht <hans@linux.vnet.ibm.com>
7 *
8 */ 7 */
9 8
9#include <linux/suspend.h>
10#include <linux/reboot.h>
11#include <linux/pfn.h>
12#include <linux/mm.h>
13#include <asm/sections.h>
10#include <asm/system.h> 14#include <asm/system.h>
15#include <asm/ipl.h>
16
17/*
18 * References to section boundaries
19 */
20extern const void __nosave_begin, __nosave_end;
21
22/*
23 * check if given pfn is in the 'nosave' or in the read only NSS section
24 */
25int pfn_is_nosave(unsigned long pfn)
26{
27 unsigned long nosave_begin_pfn = __pa(&__nosave_begin) >> PAGE_SHIFT;
28 unsigned long nosave_end_pfn = PAGE_ALIGN(__pa(&__nosave_end))
29 >> PAGE_SHIFT;
30 unsigned long eshared_pfn = PFN_DOWN(__pa(&_eshared)) - 1;
31 unsigned long stext_pfn = PFN_DOWN(__pa(&_stext));
32
33 if (pfn >= nosave_begin_pfn && pfn < nosave_end_pfn)
34 return 1;
35 if (pfn >= stext_pfn && pfn <= eshared_pfn) {
36 if (ipl_info.type == IPL_TYPE_NSS)
37 return 1;
38 } else if ((tprot(pfn * PAGE_SIZE) && pfn > 0))
39 return 1;
40 return 0;
41}
11 42
12void save_processor_state(void) 43void save_processor_state(void)
13{ 44{
diff --git a/arch/s390/power/swsusp_asm64.S b/arch/s390/kernel/swsusp_asm64.S
index b26df5c5933e..7cd6b096f0d1 100644
--- a/arch/s390/power/swsusp_asm64.S
+++ b/arch/s390/kernel/swsusp_asm64.S
@@ -21,7 +21,7 @@
21 * This function runs with disabled interrupts. 21 * This function runs with disabled interrupts.
22 */ 22 */
23 .section .text 23 .section .text
24 .align 2 24 .align 4
25 .globl swsusp_arch_suspend 25 .globl swsusp_arch_suspend
26swsusp_arch_suspend: 26swsusp_arch_suspend:
27 stmg %r6,%r15,__SF_GPRS(%r15) 27 stmg %r6,%r15,__SF_GPRS(%r15)
diff --git a/arch/s390/power/Makefile b/arch/s390/power/Makefile
deleted file mode 100644
index ee2f279beff0..000000000000
--- a/arch/s390/power/Makefile
+++ /dev/null
@@ -1,7 +0,0 @@
1#
2# Makefile for s390 PM support
3#
4
5obj-$(CONFIG_HIBERNATION) += suspend.o
6obj-$(CONFIG_HIBERNATION) += swsusp.o
7obj-$(CONFIG_HIBERNATION) += swsusp_asm64.o
diff --git a/arch/s390/power/suspend.c b/arch/s390/power/suspend.c
deleted file mode 100644
index b3351eceebbe..000000000000
--- a/arch/s390/power/suspend.c
+++ /dev/null
@@ -1,40 +0,0 @@
1/*
2 * Suspend support specific for s390.
3 *
4 * Copyright IBM Corp. 2009
5 *
6 * Author(s): Hans-Joachim Picht <hans@linux.vnet.ibm.com>
7 */
8
9#include <linux/mm.h>
10#include <linux/suspend.h>
11#include <linux/reboot.h>
12#include <linux/pfn.h>
13#include <asm/sections.h>
14#include <asm/ipl.h>
15
16/*
17 * References to section boundaries
18 */
19extern const void __nosave_begin, __nosave_end;
20
21/*
22 * check if given pfn is in the 'nosave' or in the read only NSS section
23 */
24int pfn_is_nosave(unsigned long pfn)
25{
26 unsigned long nosave_begin_pfn = __pa(&__nosave_begin) >> PAGE_SHIFT;
27 unsigned long nosave_end_pfn = PAGE_ALIGN(__pa(&__nosave_end))
28 >> PAGE_SHIFT;
29 unsigned long eshared_pfn = PFN_DOWN(__pa(&_eshared)) - 1;
30 unsigned long stext_pfn = PFN_DOWN(__pa(&_stext));
31
32 if (pfn >= nosave_begin_pfn && pfn < nosave_end_pfn)
33 return 1;
34 if (pfn >= stext_pfn && pfn <= eshared_pfn) {
35 if (ipl_info.type == IPL_TYPE_NSS)
36 return 1;
37 } else if ((tprot(pfn * PAGE_SIZE) && pfn > 0))
38 return 1;
39 return 0;
40}