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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-05-20 15:36:52 +1000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-05-20 15:36:52 +1000
commit880102e78547c1db158a17e36cf0cdd98e7ad710 (patch)
tree3fff9cc54c44dafe275cfabefb96c589e08d971d /arch/powerpc/sysdev
parent3d07f0e83d4323d2cd45cc583f7cf1957aca3cac (diff)
parent39ab05c8e0b519ff0a04a869f065746e6e8c3d95 (diff)
downloadblackbird-op-linux-880102e78547c1db158a17e36cf0cdd98e7ad710.tar.gz
blackbird-op-linux-880102e78547c1db158a17e36cf0cdd98e7ad710.zip
Merge remote branch 'origin/master' into merge
Manual merge of arch/powerpc/kernel/smp.c and add missing scheduler_ipi() call to arch/powerpc/platforms/cell/interrupt.c Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/sysdev')
-rw-r--r--arch/powerpc/sysdev/ipic.c36
-rw-r--r--arch/powerpc/sysdev/mpic.c48
2 files changed, 35 insertions, 49 deletions
diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c
index f0ece79f9be5..7367d17364cb 100644
--- a/arch/powerpc/sysdev/ipic.c
+++ b/arch/powerpc/sysdev/ipic.c
@@ -18,7 +18,7 @@
#include <linux/stddef.h>
#include <linux/sched.h>
#include <linux/signal.h>
-#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
#include <linux/device.h>
#include <linux/bootmem.h>
#include <linux/spinlock.h>
@@ -900,7 +900,7 @@ static struct {
u32 sercr;
} ipic_saved_state;
-static int ipic_suspend(struct sys_device *sdev, pm_message_t state)
+static int ipic_suspend(void)
{
struct ipic *ipic = primary_ipic;
@@ -931,7 +931,7 @@ static int ipic_suspend(struct sys_device *sdev, pm_message_t state)
return 0;
}
-static int ipic_resume(struct sys_device *sdev)
+static void ipic_resume(void)
{
struct ipic *ipic = primary_ipic;
@@ -947,44 +947,26 @@ static int ipic_resume(struct sys_device *sdev)
ipic_write(ipic->regs, IPIC_SECNR, ipic_saved_state.secnr);
ipic_write(ipic->regs, IPIC_SERMR, ipic_saved_state.sermr);
ipic_write(ipic->regs, IPIC_SERCR, ipic_saved_state.sercr);
-
- return 0;
}
#else
#define ipic_suspend NULL
#define ipic_resume NULL
#endif
-static struct sysdev_class ipic_sysclass = {
- .name = "ipic",
+static struct syscore_ops ipic_syscore_ops = {
.suspend = ipic_suspend,
.resume = ipic_resume,
};
-static struct sys_device device_ipic = {
- .id = 0,
- .cls = &ipic_sysclass,
-};
-
-static int __init init_ipic_sysfs(void)
+static int __init init_ipic_syscore(void)
{
- int rc;
-
if (!primary_ipic || !primary_ipic->regs)
return -ENODEV;
- printk(KERN_DEBUG "Registering ipic with sysfs...\n");
- rc = sysdev_class_register(&ipic_sysclass);
- if (rc) {
- printk(KERN_ERR "Failed registering ipic sys class\n");
- return -ENODEV;
- }
- rc = sysdev_register(&device_ipic);
- if (rc) {
- printk(KERN_ERR "Failed registering ipic sys device\n");
- return -ENODEV;
- }
+ printk(KERN_DEBUG "Registering ipic system core operations\n");
+ register_syscore_ops(&ipic_syscore_ops);
+
return 0;
}
-subsys_initcall(init_ipic_sysfs);
+subsys_initcall(init_ipic_syscore);
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 57e954142c70..3a8de5bb628a 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -28,6 +28,7 @@
#include <linux/spinlock.h>
#include <linux/pci.h>
#include <linux/slab.h>
+#include <linux/syscore_ops.h>
#include <asm/ptrace.h>
#include <asm/signal.h>
@@ -1793,9 +1794,8 @@ void mpic_reset_core(int cpu)
#endif /* CONFIG_SMP */
#ifdef CONFIG_PM
-static int mpic_suspend(struct sys_device *dev, pm_message_t state)
+static void mpic_suspend_one(struct mpic *mpic)
{
- struct mpic *mpic = container_of(dev, struct mpic, sysdev);
int i;
for (i = 0; i < mpic->num_sources; i++) {
@@ -1804,13 +1804,22 @@ static int mpic_suspend(struct sys_device *dev, pm_message_t state)
mpic->save_data[i].dest =
mpic_irq_read(i, MPIC_INFO(IRQ_DESTINATION));
}
+}
+
+static int mpic_suspend(void)
+{
+ struct mpic *mpic = mpics;
+
+ while (mpic) {
+ mpic_suspend_one(mpic);
+ mpic = mpic->next;
+ }
return 0;
}
-static int mpic_resume(struct sys_device *dev)
+static void mpic_resume_one(struct mpic *mpic)
{
- struct mpic *mpic = container_of(dev, struct mpic, sysdev);
int i;
for (i = 0; i < mpic->num_sources; i++) {
@@ -1837,33 +1846,28 @@ static int mpic_resume(struct sys_device *dev)
}
#endif
} /* end for loop */
+}
- return 0;
+static void mpic_resume(void)
+{
+ struct mpic *mpic = mpics;
+
+ while (mpic) {
+ mpic_resume_one(mpic);
+ mpic = mpic->next;
+ }
}
-#endif
-static struct sysdev_class mpic_sysclass = {
-#ifdef CONFIG_PM
+static struct syscore_ops mpic_syscore_ops = {
.resume = mpic_resume,
.suspend = mpic_suspend,
-#endif
- .name = "mpic",
};
static int mpic_init_sys(void)
{
- struct mpic *mpic = mpics;
- int error, id = 0;
-
- error = sysdev_class_register(&mpic_sysclass);
-
- while (mpic && !error) {
- mpic->sysdev.cls = &mpic_sysclass;
- mpic->sysdev.id = id++;
- error = sysdev_register(&mpic->sysdev);
- mpic = mpic->next;
- }
- return error;
+ register_syscore_ops(&mpic_syscore_ops);
+ return 0;
}
device_initcall(mpic_init_sys);
+#endif
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