diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/acpi.h | 48 | ||||
| -rw-r--r-- | include/linux/c2port.h | 65 | ||||
| -rw-r--r-- | include/linux/hrtimer.h | 5 | ||||
| -rw-r--r-- | include/linux/mfd/wm8350/rtc.h | 2 | ||||
| -rw-r--r-- | include/linux/ratelimit.h | 7 | ||||
| -rw-r--r-- | include/linux/slab.h | 28 |
6 files changed, 139 insertions, 16 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h index fd6a452b0ce..fba8051fb29 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -163,8 +163,6 @@ struct acpi_pci_driver { int acpi_pci_register_driver(struct acpi_pci_driver *driver); void acpi_pci_unregister_driver(struct acpi_pci_driver *driver); -#ifdef CONFIG_ACPI_EC - extern int ec_read(u8 addr, u8 *val); extern int ec_write(u8 addr, u8 val); extern int ec_transaction(u8 command, @@ -172,8 +170,6 @@ extern int ec_transaction(u8 command, u8 *rdata, unsigned rdata_len, int force_poll); -#endif /*CONFIG_ACPI_EC*/ - #if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE) typedef void (*wmi_notify_handler) (u32 value, void *context); @@ -194,6 +190,50 @@ extern bool wmi_has_guid(const char *guid); #endif /* CONFIG_ACPI_WMI */ +#define ACPI_VIDEO_OUTPUT_SWITCHING 0x0001 +#define ACPI_VIDEO_DEVICE_POSTING 0x0002 +#define ACPI_VIDEO_ROM_AVAILABLE 0x0004 +#define ACPI_VIDEO_BACKLIGHT 0x0008 +#define ACPI_VIDEO_BACKLIGHT_FORCE_VENDOR 0x0010 +#define ACPI_VIDEO_BACKLIGHT_FORCE_VIDEO 0x0020 +#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VENDOR 0x0040 +#define ACPI_VIDEO_OUTPUT_SWITCHING_FORCE_VIDEO 0x0080 +#define ACPI_VIDEO_BACKLIGHT_DMI_VENDOR 0x0100 +#define ACPI_VIDEO_BACKLIGHT_DMI_VIDEO 0x0200 +#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VENDOR 0x0400 +#define ACPI_VIDEO_OUTPUT_SWITCHING_DMI_VIDEO 0x0800 + +#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) + +extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle); +extern long acpi_is_video_device(struct acpi_device *device); +extern int acpi_video_backlight_support(void); +extern int acpi_video_display_switch_support(void); + +#else + +static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle) +{ + return 0; +} + +static inline long acpi_is_video_device(struct acpi_device *device) +{ + return 0; +} + +static inline int acpi_video_backlight_support(void) +{ + return 0; +} + +static inline int acpi_video_display_switch_support(void) +{ + return 0; +} + +#endif /* defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) */ + extern int acpi_blacklisted(void); #ifdef CONFIG_DMI extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d); diff --git a/include/linux/c2port.h b/include/linux/c2port.h new file mode 100644 index 00000000000..7b5a2388ba6 --- /dev/null +++ b/include/linux/c2port.h @@ -0,0 +1,65 @@ +/* + * Silicon Labs C2 port Linux support + * + * Copyright (c) 2007 Rodolfo Giometti <giometti@linux.it> + * Copyright (c) 2007 Eurotech S.p.A. <info@eurotech.it> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation + */ + +#include <linux/device.h> + +#define C2PORT_NAME_LEN 32 + +/* + * C2 port basic structs + */ + +/* Main struct */ +struct c2port_ops; +struct c2port_device { + unsigned int access:1; + unsigned int flash_access:1; + + int id; + char name[C2PORT_NAME_LEN]; + struct c2port_ops *ops; + struct mutex mutex; /* prevent races during read/write */ + + struct device *dev; + + void *private_data; +}; + +/* Basic operations */ +struct c2port_ops { + /* Flash layout */ + unsigned short block_size; /* flash block size in bytes */ + unsigned short blocks_num; /* flash blocks number */ + + /* Enable or disable the access to C2 port */ + void (*access)(struct c2port_device *dev, int status); + + /* Set C2D data line as input/output */ + void (*c2d_dir)(struct c2port_device *dev, int dir); + + /* Read/write C2D data line */ + int (*c2d_get)(struct c2port_device *dev); + void (*c2d_set)(struct c2port_device *dev, int status); + + /* Write C2CK clock line */ + void (*c2ck_set)(struct c2port_device *dev, int status); +}; + +/* + * Exported functions + */ + +#define to_class_dev(obj) container_of((obj), struct class_device, kobj) +#define to_c2port_device(obj) container_of((obj), struct c2port_device, class) + +extern struct c2port_device *c2port_device_register(char *name, + struct c2port_ops *ops, void *devdata); +extern void c2port_device_unregister(struct c2port_device *dev); diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index 07e510a3b00..3eba43878dc 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -46,9 +46,6 @@ enum hrtimer_restart { * hrtimer callback modes: * * HRTIMER_CB_SOFTIRQ: Callback must run in softirq context - * HRTIMER_CB_IRQSAFE: Callback may run in hardirq context - * HRTIMER_CB_IRQSAFE_NO_RESTART: Callback may run in hardirq context and - * does not restart the timer * HRTIMER_CB_IRQSAFE_PERCPU: Callback must run in hardirq context * Special mode for tick emulation and * scheduler timer. Such timers are per @@ -61,8 +58,6 @@ enum hrtimer_restart { */ enum hrtimer_cb_mode { HRTIMER_CB_SOFTIRQ, - HRTIMER_CB_IRQSAFE, - HRTIMER_CB_IRQSAFE_NO_RESTART, HRTIMER_CB_IRQSAFE_PERCPU, HRTIMER_CB_IRQSAFE_UNLOCKED, }; diff --git a/include/linux/mfd/wm8350/rtc.h b/include/linux/mfd/wm8350/rtc.h index dfda69e9f44..24add2bef6c 100644 --- a/include/linux/mfd/wm8350/rtc.h +++ b/include/linux/mfd/wm8350/rtc.h @@ -261,6 +261,8 @@ struct wm8350_rtc { struct platform_device *pdev; + struct rtc_device *rtc; + int alarm_enabled; /* used over suspend/resume */ }; #endif diff --git a/include/linux/ratelimit.h b/include/linux/ratelimit.h index 18a5b9ba9d4..00044b85645 100644 --- a/include/linux/ratelimit.h +++ b/include/linux/ratelimit.h @@ -17,11 +17,4 @@ struct ratelimit_state { struct ratelimit_state name = {interval, burst,} extern int __ratelimit(struct ratelimit_state *rs); - -static inline int ratelimit(void) -{ - static DEFINE_RATELIMIT_STATE(rs, DEFAULT_RATELIMIT_INTERVAL, - DEFAULT_RATELIMIT_BURST); - return __ratelimit(&rs); -} #endif diff --git a/include/linux/slab.h b/include/linux/slab.h index ba965c84ae0..000da12b5cf 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -23,6 +23,34 @@ #define SLAB_CACHE_DMA 0x00004000UL /* Use GFP_DMA memory */ #define SLAB_STORE_USER 0x00010000UL /* DEBUG: Store the last owner for bug hunting */ #define SLAB_PANIC 0x00040000UL /* Panic if kmem_cache_create() fails */ +/* + * SLAB_DESTROY_BY_RCU - **WARNING** READ THIS! + * + * This delays freeing the SLAB page by a grace period, it does _NOT_ + * delay object freeing. This means that if you do kmem_cache_free() + * that memory location is free to be reused at any time. Thus it may + * be possible to see another object there in the same RCU grace period. + * + * This feature only ensures the memory location backing the object + * stays valid, the trick to using this is relying on an independent + * object validation pass. Something like: + * + * rcu_read_lock() + * again: + * obj = lockless_lookup(key); + * if (obj) { + * if (!try_get_ref(obj)) // might fail for free objects + * goto again; + * + * if (obj->key != key) { // not the object we expected + * put_ref(obj); + * goto again; + * } + * } + * rcu_read_unlock(); + * + * See also the comment on struct slab_rcu in mm/slab.c. + */ #define SLAB_DESTROY_BY_RCU 0x00080000UL /* Defer freeing slabs to RCU */ #define SLAB_MEM_SPREAD 0x00100000UL /* Spread some memory over cpuset */ #define SLAB_TRACE 0x00200000UL /* Trace allocations and frees */ |