8 files changed, 89 insertions, 82 deletions

diff --git a/include/linux/device.h b/include/linux/device.h
index 1a3686d15f98..7d9da4b4993f 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -28,6 +28,7 @@
 #define BUS_ID_SIZE             20
 
 struct device;
+struct device_private;
 struct device_driver;
 struct driver_private;
 struct class;
@@ -65,7 +66,7 @@ struct bus_type {
         int (*resume_early)(struct device *dev);
         int (*resume)(struct device *dev);
 
-        struct pm_ext_ops *pm;
+        struct dev_pm_ops *pm;
 
         struct bus_type_private *p;
 };
@@ -133,7 +134,7 @@ struct device_driver {
         int (*resume) (struct device *dev);
         struct attribute_group **groups;
 
-        struct pm_ops *pm;
+        struct dev_pm_ops *pm;
 
         struct driver_private *p;
 };
@@ -198,7 +199,7 @@ struct class {
         int (*suspend)(struct device *dev, pm_message_t state);
         int (*resume)(struct device *dev);
 
-        struct pm_ops *pm;
+        struct dev_pm_ops *pm;
         struct class_private *p;
 };
 
@@ -291,7 +292,7 @@ struct device_type {
         int (*suspend)(struct device *dev, pm_message_t state);
         int (*resume)(struct device *dev);
 
-        struct pm_ops *pm;
+        struct dev_pm_ops *pm;
 };
 
 /* interface for exporting device attributes */
@@ -365,17 +366,15 @@ struct device_dma_parameters {
 };
 
 struct device {
-        struct klist            klist_children;
-        struct klist_node       knode_parent;   /* node in sibling list */
-        struct klist_node       knode_driver;
-        struct klist_node       knode_bus;
         struct device           *parent;
 
+        struct device_private   *p;
+
         struct kobject kobj;
         char    bus_id[BUS_ID_SIZE];    /* position on parent bus */
+        unsigned                uevent_suppress:1;
         const char              *init_name; /* initial name of the device */
         struct device_type      *type;
-        unsigned                uevent_suppress:1;
 
         struct semaphore        sem;    /* semaphore to synchronize calls to
                                          * its driver.
@@ -408,12 +407,13 @@ struct device {
         /* arch specific additions */
         struct dev_archdata     archdata;
 
+        dev_t                   devt;   /* dev_t, creates the sysfs "dev" */
+
         spinlock_t              devres_lock;
         struct list_head        devres_head;
 
         struct klist_node       knode_class;
         struct class            *class;
-        dev_t                   devt;   /* dev_t, creates the sysfs "dev" */
         struct attribute_group  **groups;       /* optional groups */
 
         void    (*release)(struct device *dev);
@@ -483,6 +483,17 @@ extern int device_rename(struct device *dev, char *new_name);
 extern int device_move(struct device *dev, struct device *new_parent);
 
 /*
+ * Root device objects for grouping under /sys/devices
+ */
+extern struct device *__root_device_register(const char *name,
+                                             struct module *owner);
+static inline struct device *root_device_register(const char *name)
+{
+        return __root_device_register(name, THIS_MODULE);
+}
+extern void root_device_unregister(struct device *root);
+
+/*
  * Manual binding of a device to driver. See drivers/base/bus.c
  * for information on use.
  */
@@ -553,13 +564,13 @@ extern const char *dev_driver_string(const struct device *dev);
 #define dev_info(dev, format, arg...)           \
         dev_printk(KERN_INFO , dev , format , ## arg)
 
-#if defined(CONFIG_DYNAMIC_PRINTK_DEBUG)
+#if defined(DEBUG)
+#define dev_dbg(dev, format, arg...)            \
+        dev_printk(KERN_DEBUG , dev , format , ## arg)
+#elif defined(CONFIG_DYNAMIC_PRINTK_DEBUG)
 #define dev_dbg(dev, format, ...) do { \
         dynamic_dev_dbg(dev, format, ##__VA_ARGS__); \
         } while (0)
-#elif defined(DEBUG)
-#define dev_dbg(dev, format, arg...)            \
-        dev_printk(KERN_DEBUG , dev , format , ## arg)
 #else
 #define dev_dbg(dev, format, arg...)            \
         ({ if (0) dev_printk(KERN_DEBUG, dev, format, ##arg); 0; })
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 721984844c94..6b8e2027165e 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -355,13 +355,13 @@ static inline char *pack_hex_byte(char *buf, u8 byte)
         printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
 
 /* If you are writing a driver, please use dev_dbg instead */
-#if defined(CONFIG_DYNAMIC_PRINTK_DEBUG)
+#if defined(DEBUG)
+#define pr_debug(fmt, ...) \
+        printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
+#elif defined(CONFIG_DYNAMIC_PRINTK_DEBUG)
 #define pr_debug(fmt, ...) do { \
         dynamic_pr_debug(pr_fmt(fmt), ##__VA_ARGS__); \
         } while (0)
-#elif defined(DEBUG)
-#define pr_debug(fmt, ...) \
-        printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
 #else
 #define pr_debug(fmt, ...) \
         ({ if (0) printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); 0; })
diff --git a/include/linux/klist.h b/include/linux/klist.h
index 8ea98db223e5..d5a27af9dba5 100644
--- a/include/linux/klist.h
+++ b/include/linux/klist.h
@@ -13,7 +13,6 @@
 #define _LINUX_KLIST_H
 
 #include <linux/spinlock.h>
-#include <linux/completion.h>
 #include <linux/kref.h>
 #include <linux/list.h>
 
@@ -41,7 +40,6 @@ struct klist_node {
         void                    *n_klist;       /* never access directly */
         struct list_head        n_node;
         struct kref             n_ref;
-        struct completion       n_removed;
 };
 
 extern void klist_add_tail(struct klist_node *n, struct klist *k);
diff --git a/include/linux/mtd/concat.h b/include/linux/mtd/concat.h
index c02f3d264ecf..e80c674daeb3 100644
--- a/include/linux/mtd/concat.h
+++ b/include/linux/mtd/concat.h
@@ -13,7 +13,7 @@
 struct mtd_info *mtd_concat_create(
     struct mtd_info *subdev[],  /* subdevices to concatenate */
     int num_devs,               /* number of subdevices      */
-    char *name);                /* name for the new device   */
+    const char *name);          /* name for the new device   */
 
 void mtd_concat_destroy(struct mtd_info *mtd);
 
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 03b0b8c3c81b..4bb156ba854a 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -421,7 +421,6 @@ struct pci_driver {
         int  (*resume_early) (struct pci_dev *dev);
         int  (*resume) (struct pci_dev *dev);                   /* Device woken up */
         void (*shutdown) (struct pci_dev *dev);
-        struct pm_ext_ops *pm;
         struct pci_error_handlers *err_handler;
         struct device_driver    driver;
         struct pci_dynids dynids;
diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index 4b8cc6a32479..9a342699c607 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -55,7 +55,6 @@ struct platform_driver {
         int (*suspend_late)(struct platform_device *, pm_message_t state);
         int (*resume_early)(struct platform_device *);
         int (*resume)(struct platform_device *);
-        struct pm_ext_ops *pm;
         struct device_driver driver;
 };
 
diff --git a/include/linux/pm.h b/include/linux/pm.h
index 42de4003c4ee..de2e0a8f6728 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -41,7 +41,7 @@ typedef struct pm_message {
 } pm_message_t;
 
 /**
- * struct pm_ops - device PM callbacks
+ * struct dev_pm_ops - device PM callbacks
  *
  * Several driver power state transitions are externally visible, affecting
  * the state of pending I/O queues and (for drivers that touch hardware)
@@ -126,46 +126,6 @@ typedef struct pm_message {
  *      On most platforms, there are no restrictions on availability of
  *      resources like clocks during @restore().
  *
- * All of the above callbacks, except for @complete(), return error codes.
- * However, the error codes returned by the resume operations, @resume(),
- * @thaw(), and @restore(), do not cause the PM core to abort the resume
- * transition during which they are returned.  The error codes returned in
- * that cases are only printed by the PM core to the system logs for debugging
- * purposes.  Still, it is recommended that drivers only return error codes
- * from their resume methods in case of an unrecoverable failure (i.e. when the
- * device being handled refuses to resume and becomes unusable) to allow us to
- * modify the PM core in the future, so that it can avoid attempting to handle
- * devices that failed to resume and their children.
- *
- * It is allowed to unregister devices while the above callbacks are being
- * executed.  However, it is not allowed to unregister a device from within any
- * of its own callbacks.
- */
-
-struct pm_ops {
-        int (*prepare)(struct device *dev);
-        void (*complete)(struct device *dev);
-        int (*suspend)(struct device *dev);
-        int (*resume)(struct device *dev);
-        int (*freeze)(struct device *dev);
-        int (*thaw)(struct device *dev);
-        int (*poweroff)(struct device *dev);
-        int (*restore)(struct device *dev);
-};
-
-/**
- * struct pm_ext_ops - extended device PM callbacks
- *
- * Some devices require certain operations related to suspend and hibernation
- * to be carried out with interrupts disabled.  Thus, 'struct pm_ext_ops' below
- * is defined, adding callbacks to be executed with interrupts disabled to
- * 'struct pm_ops'.
- *
- * The following callbacks included in 'struct pm_ext_ops' are executed with
- * the nonboot CPUs switched off and with interrupts disabled on the only
- * functional CPU.  They also are executed with the PM core list of devices
- * locked, so they must NOT unregister any devices.
- *
  * @suspend_noirq: Complete the operations of ->suspend() by carrying out any
  *      actions required for suspending the device that need interrupts to be
  *      disabled
@@ -190,18 +150,32 @@ struct pm_ops {
  *      actions required for restoring the operations of the device that need
  *      interrupts to be disabled
  *
- * All of the above callbacks return error codes, but the error codes returned
- * by the resume operations, @resume_noirq(), @thaw_noirq(), and
- * @restore_noirq(), do not cause the PM core to abort the resume transition
- * during which they are returned.  The error codes returned in that cases are
- * only printed by the PM core to the system logs for debugging purposes.
- * Still, as stated above, it is recommended that drivers only return error
- * codes from their resume methods if the device being handled fails to resume
- * and is not usable any more.
+ * All of the above callbacks, except for @complete(), return error codes.
+ * However, the error codes returned by the resume operations, @resume(),
+ * @thaw(), @restore(), @resume_noirq(), @thaw_noirq(), and @restore_noirq() do
+ * not cause the PM core to abort the resume transition during which they are
+ * returned.  The error codes returned in that cases are only printed by the PM
+ * core to the system logs for debugging purposes.  Still, it is recommended
+ * that drivers only return error codes from their resume methods in case of an
+ * unrecoverable failure (i.e. when the device being handled refuses to resume
+ * and becomes unusable) to allow us to modify the PM core in the future, so
+ * that it can avoid attempting to handle devices that failed to resume and
+ * their children.
+ *
+ * It is allowed to unregister devices while the above callbacks are being
+ * executed.  However, it is not allowed to unregister a device from within any
+ * of its own callbacks.
  */
 
-struct pm_ext_ops {
-        struct pm_ops base;
+struct dev_pm_ops {
+        int (*prepare)(struct device *dev);
+        void (*complete)(struct device *dev);
+        int (*suspend)(struct device *dev);
+        int (*resume)(struct device *dev);
+        int (*freeze)(struct device *dev);
+        int (*thaw)(struct device *dev);
+        int (*poweroff)(struct device *dev);
+        int (*restore)(struct device *dev);
         int (*suspend_noirq)(struct device *dev);
         int (*resume_noirq)(struct device *dev);
         int (*freeze_noirq)(struct device *dev);
@@ -278,7 +252,7 @@ struct pm_ext_ops {
 #define PM_EVENT_SLEEP          (PM_EVENT_SUSPEND | PM_EVENT_HIBERNATE)
 #define PM_EVENT_USER_SUSPEND   (PM_EVENT_USER | PM_EVENT_SUSPEND)
 #define PM_EVENT_USER_RESUME    (PM_EVENT_USER | PM_EVENT_RESUME)
-#define PM_EVENT_REMOTE_WAKEUP  (PM_EVENT_REMOTE | PM_EVENT_RESUME)
+#define PM_EVENT_REMOTE_RESUME  (PM_EVENT_REMOTE | PM_EVENT_RESUME)
 #define PM_EVENT_AUTO_SUSPEND   (PM_EVENT_AUTO | PM_EVENT_SUSPEND)
 #define PM_EVENT_AUTO_RESUME    (PM_EVENT_AUTO | PM_EVENT_RESUME)
 
@@ -291,15 +265,15 @@ struct pm_ext_ops {
 #define PMSG_THAW       ((struct pm_message){ .event = PM_EVENT_THAW, })
 #define PMSG_RESTORE    ((struct pm_message){ .event = PM_EVENT_RESTORE, })
 #define PMSG_RECOVER    ((struct pm_message){ .event = PM_EVENT_RECOVER, })
-#define PMSG_USER_SUSPEND       ((struct pm_messge) \
+#define PMSG_USER_SUSPEND       ((struct pm_message) \
                                         { .event = PM_EVENT_USER_SUSPEND, })
-#define PMSG_USER_RESUME        ((struct pm_messge) \
+#define PMSG_USER_RESUME        ((struct pm_message) \
                                         { .event = PM_EVENT_USER_RESUME, })
-#define PMSG_REMOTE_RESUME      ((struct pm_messge) \
+#define PMSG_REMOTE_RESUME      ((struct pm_message) \
                                         { .event = PM_EVENT_REMOTE_RESUME, })
-#define PMSG_AUTO_SUSPEND       ((struct pm_messge) \
+#define PMSG_AUTO_SUSPEND       ((struct pm_message) \
                                         { .event = PM_EVENT_AUTO_SUSPEND, })
-#define PMSG_AUTO_RESUME                ((struct pm_messge) \
+#define PMSG_AUTO_RESUME        ((struct pm_message) \
                                         { .event = PM_EVENT_AUTO_RESUME, })
 
 /**
diff --git a/include/linux/uio_driver.h b/include/linux/uio_driver.h
index cdf338d94b7f..a0bb6bd2e5c1 100644
--- a/include/linux/uio_driver.h
+++ b/include/linux/uio_driver.h
@@ -38,6 +38,24 @@ struct uio_mem {
 
 #define MAX_UIO_MAPS    5
 
+struct uio_portio;
+
+/**
+ * struct uio_port - description of a UIO port region
+ * @start:              start of port region
+ * @size:               size of port region
+ * @porttype:           type of port (see UIO_PORT_* below)
+ * @portio:             for use by the UIO core only.
+ */
+struct uio_port {
+        unsigned long           start;
+        unsigned long           size;
+        int                     porttype;
+        struct uio_portio       *portio;
+};
+
+#define MAX_UIO_PORT_REGIONS    5
+
 struct uio_device;
 
 /**
@@ -46,6 +64,7 @@ struct uio_device;
  * @name:               device name
  * @version:            device driver version
  * @mem:                list of mappable memory regions, size==0 for end of list
+ * @port:               list of port regions, size==0 for end of list
  * @irq:                interrupt number or UIO_IRQ_CUSTOM
  * @irq_flags:          flags for request_irq()
  * @priv:               optional private data
@@ -57,9 +76,10 @@ struct uio_device;
  */
 struct uio_info {
         struct uio_device       *uio_dev;
-        char                    *name;
-        char                    *version;
+        const char              *name;
+        const char              *version;
         struct uio_mem          mem[MAX_UIO_MAPS];
+        struct uio_port         port[MAX_UIO_PORT_REGIONS];
         long                    irq;
         unsigned long           irq_flags;
         void                    *priv;
@@ -92,4 +112,10 @@ extern void uio_event_notify(struct uio_info *info);
 #define UIO_MEM_LOGICAL 2
 #define UIO_MEM_VIRTUAL 3
 
+/* defines for uio_port->porttype */
+#define UIO_PORT_NONE   0
+#define UIO_PORT_X86    1
+#define UIO_PORT_GPIO   2
+#define UIO_PORT_OTHER  3
+
 #endif /* _LINUX_UIO_DRIVER_H_ */