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Merge branch 'driver-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

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* 'driver-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (38 commits)
  mm: memory hotplug: Check if pages are correctly reserved on a per-section basis
  Revert "memory hotplug: Correct page reservation checking"
  Update email address for stable patch submission
  dynamic_debug: fix undefined reference to `__netdev_printk'
  dynamic_debug: use a single printk() to emit messages
  dynamic_debug: remove num_enabled accounting
  dynamic_debug: consolidate repetitive struct _ddebug descriptor definitions
  uio: Support physical addresses >32 bits on 32-bit systems
  sysfs: add unsigned long cast to prevent compile warning
  drivers: base: print rejected matches with DEBUG_DRIVER
  memory hotplug: Correct page reservation checking
  memory hotplug: Refuse to add unaligned memory regions
  remove the messy code file Documentation/zh_CN/SubmitChecklist
  ARM: mxc: convert device creation to use platform_device_register_full
  new helper to create platform devices with dma mask
  docs/driver-model: Update device class docs
  docs/driver-model: Document device.groups
  kobj_uevent: Ignore if some listeners cannot handle message
  dynamic_debug: make netif_dbg() call __netdev_printk()
  dynamic_debug: make netdev_dbg() call __netdev_printk()
  ...
This commit is contained in:
Linus Torvalds 2011-10-25 12:13:59 +02:00
commit 2d03423b23
29 changed files with 527 additions and 432 deletions
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5
include/linux/device.h
View file

@ -785,6 +785,8 @@ extern const char *dev_driver_string(const struct device *dev);
#ifdef CONFIG_PRINTK
extern int __dev_printk(const char *level, const struct device *dev,
struct va_format *vaf);
extern int dev_printk(const char *level, const struct device *dev,
const char *fmt, ...)
__attribute__ ((format (printf, 3, 4)));
@ -805,6 +807,9 @@ extern int _dev_info(const struct device *dev, const char *fmt, ...)
#else
static inline int __dev_printk(const char *level, const struct device *dev,
struct va_format *vaf)
{ return 0; }
static inline int dev_printk(const char *level, const struct device *dev,
const char *fmt, ...)
__attribute__ ((format (printf, 3, 4)));

72
include/linux/dynamic_debug.h
View file

@ -1,13 +1,6 @@
#ifndef _DYNAMIC_DEBUG_H
#define _DYNAMIC_DEBUG_H
/* dynamic_printk_enabled, and dynamic_printk_enabled2 are bitmasks in which
* bit n is set to 1 if any modname hashes into the bucket n, 0 otherwise. They
* use independent hash functions, to reduce the chance of false positives.
*/
extern long long dynamic_debug_enabled;
extern long long dynamic_debug_enabled2;
/*
* An instance of this structure is created in a special
* ELF section at every dynamic debug callsite. At runtime,
@ -47,26 +40,55 @@ extern int ddebug_remove_module(const char *mod_name);
extern int __dynamic_pr_debug(struct _ddebug *descriptor, const char *fmt, ...)
__attribute__ ((format (printf, 2, 3)));
#define dynamic_pr_debug(fmt, ...) do { \
static struct _ddebug descriptor \
__used \
__attribute__((section("__verbose"), aligned(8))) = \
{ KBUILD_MODNAME, __func__, __FILE__, fmt, __LINE__, \
_DPRINTK_FLAGS_DEFAULT }; \
if (unlikely(descriptor.enabled)) \
__dynamic_pr_debug(&descriptor, pr_fmt(fmt), ##__VA_ARGS__); \
} while (0)
struct device;
extern int __dynamic_dev_dbg(struct _ddebug *descriptor,
const struct device *dev,
const char *fmt, ...)
__attribute__ ((format (printf, 3, 4)));
#define dynamic_dev_dbg(dev, fmt, ...) do { \
static struct _ddebug descriptor \
__used \
__attribute__((section("__verbose"), aligned(8))) = \
{ KBUILD_MODNAME, __func__, __FILE__, fmt, __LINE__, \
_DPRINTK_FLAGS_DEFAULT }; \
if (unlikely(descriptor.enabled)) \
dev_printk(KERN_DEBUG, dev, fmt, ##__VA_ARGS__); \
} while (0)
struct net_device;
extern int __dynamic_netdev_dbg(struct _ddebug *descriptor,
const struct net_device *dev,
const char *fmt, ...)
__attribute__ ((format (printf, 3, 4)));
#define DEFINE_DYNAMIC_DEBUG_METADATA(name, fmt) \
static struct _ddebug __used __aligned(8) \
__attribute__((section("__verbose"))) name = { \
.modname = KBUILD_MODNAME, \
.function = __func__, \
.filename = __FILE__, \
.format = (fmt), \
.lineno = __LINE__, \
.flags = _DPRINTK_FLAGS_DEFAULT, \
.enabled = false, \
}
#define dynamic_pr_debug(fmt, ...) \
do { \
DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
if (unlikely(descriptor.enabled)) \
__dynamic_pr_debug(&descriptor, pr_fmt(fmt), \
##__VA_ARGS__); \
} while (0)
#define dynamic_dev_dbg(dev, fmt, ...) \
do { \
DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
if (unlikely(descriptor.enabled)) \
__dynamic_dev_dbg(&descriptor, dev, fmt, \
##__VA_ARGS__); \
} while (0)
#define dynamic_netdev_dbg(dev, fmt, ...) \
do { \
DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
if (unlikely(descriptor.enabled)) \
__dynamic_netdev_dbg(&descriptor, dev, fmt, \
##__VA_ARGS__); \
} while (0)
#else

10
include/linux/netdevice.h
View file

@ -2617,6 +2617,9 @@ static inline const char *netdev_name(const struct net_device *dev)
return dev->name;
}
extern int __netdev_printk(const char *level, const struct net_device *dev,
struct va_format *vaf);
extern int netdev_printk(const char *level, const struct net_device *dev,
const char *format, ...)
__attribute__ ((format (printf, 3, 4)));
@ -2644,8 +2647,7 @@ extern int netdev_info(const struct net_device *dev, const char *format, ...)
#elif defined(CONFIG_DYNAMIC_DEBUG)
#define netdev_dbg(__dev, format, args...) \
do { \
dynamic_dev_dbg((__dev)->dev.parent, "%s: " format, \
netdev_name(__dev), ##args); \
dynamic_netdev_dbg(__dev, format, ##args); \
} while (0)
#else
#define netdev_dbg(__dev, format, args...) \
@ -2712,9 +2714,7 @@ do { \
#define netif_dbg(priv, type, netdev, format, args...) \
do { \
if (netif_msg_##type(priv)) \
dynamic_dev_dbg((netdev)->dev.parent, \
"%s: " format, \
netdev_name(netdev), ##args); \
dynamic_netdev_dbg(netdev, format, ##args); \
} while (0)
#else
#define netif_dbg(priv, type, dev, format, args...) \

48
include/linux/platform_device.h
View file

@ -49,10 +49,54 @@ extern struct resource *platform_get_resource_byname(struct platform_device *, u
extern int platform_get_irq_byname(struct platform_device *, const char *);
extern int platform_add_devices(struct platform_device **, int);
extern struct platform_device *platform_device_register_resndata(
struct platform_device_info {
struct device *parent;
const char *name;
int id;
const struct resource *res;
unsigned int num_res;
const void *data;
size_t size_data;
u64 dma_mask;
};
extern struct platform_device *platform_device_register_full(
struct platform_device_info *pdevinfo);
/**
* platform_device_register_resndata - add a platform-level device with
* resources and platform-specific data
*
* @parent: parent device for the device we're adding
* @name: base name of the device we're adding
* @id: instance id
* @res: set of resources that needs to be allocated for the device
* @num: number of resources
* @data: platform specific data for this platform device
* @size: size of platform specific data
*
* Returns &struct platform_device pointer on success, or ERR_PTR() on error.
*/
static inline struct platform_device *platform_device_register_resndata(
struct device *parent, const char *name, int id,
const struct resource *res, unsigned int num,
const void *data, size_t size);
const void *data, size_t size) {
struct platform_device_info pdevinfo = {
.parent = parent,
.name = name,
.id = id,
.res = res,
.num_res = num,
.data = data,
.size_data = size,
.dma_mask = 0,
};
return platform_device_register_full(&pdevinfo);
}
/**
* platform_device_register_simple - add a platform-level device and its resources

7
include/linux/uio_driver.h
View file

@ -23,7 +23,10 @@ struct uio_map;
/**
* struct uio_mem - description of a UIO memory region
* @name: name of the memory region for identification
* @addr: address of the device's memory
* @addr: address of the device's memory (phys_addr is used since
* addr can be logical, virtual, or physical & phys_addr_t
* should always be large enough to handle any of the
* address types)
* @size: size of IO
* @memtype: type of memory addr points to
* @internal_addr: ioremap-ped version of addr, for driver internal use
@ -31,7 +34,7 @@ struct uio_map;
*/
struct uio_mem {
const char *name;
unsigned long addr;
phys_addr_t addr;
unsigned long size;
int memtype;
void __iomem *internal_addr;