Pull release into acpica branch

8 files changed, 57 insertions, 10 deletions

diff --git a/drivers/base/core.c b/drivers/base/core.c
index fd8059920dbf..6b355bd7816d 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -161,8 +161,8 @@ static ssize_t store_uevent(struct device *dev, struct device_attribute *attr,
         return count;
 }
 
-/**
- *      device_subsys - structure to be registered with kobject core.
+/*
+ *      devices_subsys - structure to be registered with kobject core.
  */
 
 decl_subsys(devices, &ktype_device, &device_uevent_ops);
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index 281d26784d25..07a7f97e1de9 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -83,6 +83,31 @@ static inline void register_cpu_control(struct cpu *cpu)
 }
 #endif /* CONFIG_HOTPLUG_CPU */
 
+#ifdef CONFIG_KEXEC
+#include <linux/kexec.h>
+
+static ssize_t show_crash_notes(struct sys_device *dev, char *buf)
+{
+        struct cpu *cpu = container_of(dev, struct cpu, sysdev);
+        ssize_t rc;
+        unsigned long long addr;
+        int cpunum;
+
+        cpunum = cpu->sysdev.id;
+
+        /*
+         * Might be reading other cpu's data based on which cpu read thread
+         * has been scheduled. But cpu data (memory) is allocated once during
+         * boot up and this data does not change there after. Hence this
+         * operation should be safe. No locking required.
+         */
+        addr = __pa(per_cpu_ptr(crash_notes, cpunum));
+        rc = sprintf(buf, "%Lx\n", addr);
+        return rc;
+}
+static SYSDEV_ATTR(crash_notes, 0400, show_crash_notes, NULL);
+#endif
+
 /*
  * register_cpu - Setup a driverfs device for a CPU.
  * @cpu - Callers can set the cpu->no_control field to 1, to indicate not to
@@ -108,6 +133,11 @@ int __devinit register_cpu(struct cpu *cpu, int num, struct node *root)
                 register_cpu_control(cpu);
         if (!error)
                 cpu_sys_devices[num] = &cpu->sysdev;
+
+#ifdef CONFIG_KEXEC
+        if (!error)
+                error = sysdev_create_file(&cpu->sysdev, &attr_crash_notes);
+#endif
         return error;
 }
 
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 2b905016664d..730a9ce0a14a 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -78,7 +78,13 @@ int driver_probe_device(struct device_driver * drv, struct device * dev)
         pr_debug("%s: Matched Device %s with Driver %s\n",
                  drv->bus->name, dev->bus_id, drv->name);
         dev->driver = drv;
-        if (drv->probe) {
+        if (dev->bus->probe) {
+                ret = dev->bus->probe(dev);
+                if (ret) {
+                        dev->driver = NULL;
+                        goto ProbeFailed;
+                }
+        } else if (drv->probe) {
                 ret = drv->probe(dev);
                 if (ret) {
                         dev->driver = NULL;
@@ -203,7 +209,9 @@ static void __device_release_driver(struct device * dev)
                 sysfs_remove_link(&dev->kobj, "driver");
                 klist_remove(&dev->knode_driver);
 
-                if (drv->remove)
+                if (dev->bus->remove)
+                        dev->bus->remove(dev);
+                else if (drv->remove)
                         drv->remove(dev);
                 dev->driver = NULL;
                 put_driver(drv);
diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index 161f3a390d90..b400314e1c62 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -171,6 +171,11 @@ static void klist_devices_put(struct klist_node *n)
  */
 int driver_register(struct device_driver * drv)
 {
+        if ((drv->bus->probe && drv->probe) ||
+            (drv->bus->remove && drv->remove) ||
+            (drv->bus->shutdown && drv->shutdown)) {
+                printk(KERN_WARNING "Driver '%s' needs updating - please use bus_type methods\n", drv->name);
+        }
         klist_init(&drv->klist_devices, klist_devices_get, klist_devices_put);
         init_completion(&drv->unloaded);
         return bus_add_driver(drv);
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index 5b3d5e9ddcb6..e97e911ebf7a 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -7,6 +7,7 @@
  *
  */
 
+#include <linux/capability.h>
 #include <linux/device.h>
 #include <linux/module.h>
 #include <linux/init.h>
@@ -47,7 +48,7 @@ struct firmware_priv {
         struct timer_list timeout;
 };
 
-static inline void
+static void
 fw_load_abort(struct firmware_priv *fw_priv)
 {
         set_bit(FW_STATUS_ABORT, &fw_priv->status);
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 58801d718cc2..d1a05224627e 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -13,8 +13,8 @@
 #include <linux/sysdev.h>
 #include <linux/module.h>
 #include <linux/init.h>
-#include <linux/sched.h>        /* capable() */
 #include <linux/topology.h>
+#include <linux/capability.h>
 #include <linux/device.h>
 #include <linux/memory.h>
 #include <linux/kobject.h>
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 0f81731bdfa8..461554a02517 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -327,7 +327,7 @@ EXPORT_SYMBOL_GPL(platform_device_register);
  *      @pdev:  platform device we're unregistering
  *
  *      Unregistration is done in 2 steps. Fisrt we release all resources
- *      and remove it from the sybsystem, then we drop reference count by
+ *      and remove it from the subsystem, then we drop reference count by
  *      calling platform_device_put().
  */
 void platform_device_unregister(struct platform_device * pdev)
diff --git a/drivers/base/power/shutdown.c b/drivers/base/power/shutdown.c
index f50a08be424b..c2475f3134ea 100644
--- a/drivers/base/power/shutdown.c
+++ b/drivers/base/power/shutdown.c
@@ -35,12 +35,15 @@ extern int sysdev_shutdown(void);
  */
 void device_shutdown(void)
 {
-        struct device * dev;
+        struct device * dev, *devn;
 
         down_write(&devices_subsys.rwsem);
-        list_for_each_entry_reverse(dev, &devices_subsys.kset.list,
+        list_for_each_entry_safe_reverse(dev, devn, &devices_subsys.kset.list,
                                 kobj.entry) {
-                if (dev->driver && dev->driver->shutdown) {
+                if (dev->bus && dev->bus->shutdown) {
+                        dev_dbg(dev, "shutdown\n");
+                        dev->bus->shutdown(dev);
+                } else if (dev->driver && dev->driver->shutdown) {
                         dev_dbg(dev, "shutdown\n");
                         dev->driver->shutdown(dev);
                 }