533354d4ac
Make it possible to unregister a misc device object in a safe way during a suspend/resume cycle. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Cc: Michael Buesch <mb@bu3sch.de> Cc: Pavel Machek <pavel@ucw.cz> Cc: "John W. Linville" <linville@tuxdriver.com> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Len Brown <lenb@kernel.org> Cc: Greg KH <greg@kroah.com> Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
#ifndef _LINUX_MISCDEVICE_H
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#define _LINUX_MISCDEVICE_H
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#include <linux/module.h>
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#include <linux/major.h>
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#define PSMOUSE_MINOR 1
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#define MS_BUSMOUSE_MINOR 2
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#define ATIXL_BUSMOUSE_MINOR 3
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/*#define AMIGAMOUSE_MINOR 4 FIXME OBSOLETE */
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#define ATARIMOUSE_MINOR 5
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#define SUN_MOUSE_MINOR 6
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#define APOLLO_MOUSE_MINOR 7
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#define PC110PAD_MINOR 9
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/*#define ADB_MOUSE_MINOR 10 FIXME OBSOLETE */
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#define WATCHDOG_MINOR 130 /* Watchdog timer */
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#define TEMP_MINOR 131 /* Temperature Sensor */
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#define RTC_MINOR 135
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#define EFI_RTC_MINOR 136 /* EFI Time services */
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#define SUN_OPENPROM_MINOR 139
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#define DMAPI_MINOR 140 /* DMAPI */
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#define NVRAM_MINOR 144
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#define SGI_MMTIMER 153
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#define STORE_QUEUE_MINOR 155
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#define I2O_MINOR 166
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#define MICROCODE_MINOR 184
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#define MWAVE_MINOR 219 /* ACP/Mwave Modem */
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#define MPT_MINOR 220
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#define MISC_DYNAMIC_MINOR 255
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#define TUN_MINOR 200
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#define HPET_MINOR 228
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#define KVM_MINOR 232
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struct device;
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struct miscdevice {
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int minor;
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const char *name;
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const struct file_operations *fops;
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struct list_head list;
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struct device *parent;
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struct device *this_device;
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};
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extern int misc_register(struct miscdevice * misc);
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extern int __misc_deregister(struct miscdevice *misc, bool suspended);
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static inline int misc_deregister(struct miscdevice *misc)
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{
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return __misc_deregister(misc, false);
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}
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static inline int misc_deregister_suspended(struct miscdevice *misc)
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{
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return __misc_deregister(misc, true);
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}
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#define MODULE_ALIAS_MISCDEV(minor) \
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MODULE_ALIAS("char-major-" __stringify(MISC_MAJOR) \
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"-" __stringify(minor))
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#endif
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