b5e43913cf
make pcmcia_bus_socket->state a bitfield, and rename it pcmcia_state to prepare for struct pcmcia_bus_socket integration into struct pcmcia_socket. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/* ds_internal.h - internal header for 16-bit PCMCIA devices management */
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struct user_info_t;
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/* Socket state information */
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struct pcmcia_bus_socket {
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struct kref refcount;
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struct pcmcia_socket *parent;
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/* the PCMCIA devices connected to this socket (normally one, more
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* for multifunction devices: */
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struct list_head devices_list;
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u8 device_count; /* the number of devices, used
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* only internally and subject
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* to incorrectness and change */
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struct {
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u8 present:1,
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busy:1,
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dead:1,
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device_add_pending:1,
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reserved:4;
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} pcmcia_state;
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struct work_struct device_add;
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#ifdef CONFIG_PCMCIA_IOCTL
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struct user_info_t *user;
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wait_queue_head_t queue;
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#endif
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};
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extern spinlock_t pcmcia_dev_list_lock;
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extern struct bus_type pcmcia_bus_type;
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extern struct pcmcia_device * pcmcia_get_dev(struct pcmcia_device *p_dev);
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extern void pcmcia_put_dev(struct pcmcia_device *p_dev);
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struct pcmcia_bus_socket *pcmcia_get_bus_socket(struct pcmcia_bus_socket *s);
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void pcmcia_put_bus_socket(struct pcmcia_bus_socket *s);
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struct pcmcia_device * pcmcia_device_add(struct pcmcia_bus_socket *s, unsigned int function);
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#ifdef CONFIG_PCMCIA_IOCTL
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extern void __init pcmcia_setup_ioctl(void);
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extern void __exit pcmcia_cleanup_ioctl(void);
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extern void handle_event(struct pcmcia_bus_socket *s, event_t event);
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extern int handle_request(struct pcmcia_bus_socket *s, event_t event);
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#else
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static inline void __init pcmcia_setup_ioctl(void) { return; }
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static inline void __init pcmcia_cleanup_ioctl(void) { return; }
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static inline void handle_event(struct pcmcia_bus_socket *s, event_t event) { return; }
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static inline int handle_request(struct pcmcia_bus_socket *s, event_t event) { return CS_SUCCESS; }
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#endif
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