[PATCH] convert IDE device drivers to driver-model
* add ide_bus_match() and export ide_bus_type
* split ide_remove_driver_from_hwgroup() out of ide_unregister()
* move device cleanup from ide_unregister() to drive_release_dev()
* convert ide_driver_t->name to driver->name
* convert ide_driver_t->{attach,cleanup} to driver->{probe,remove}
* remove ide_driver_t->busy as ide_bus_type->subsys.rwsem
protects against concurrent ->{probe,remove} calls
* make ide_{un}register_driver() void as it cannot fail now
* use driver_{un}register() directly, remove ide_{un}register_driver()
* use device_register() instead of ata_attach(), remove ata_attach()
* add proc_print_driver() and ide_drivers_show(), remove ide_drivers_op
* fix ide_replace_subdriver() and move it to ide-proc.c
* remove ide_driver_t->drives, ide_drives and drives_lock
* remove ide_driver_t->drivers, drivers and drivers_lock
* remove ide_drive_t->driver and DRIVER() macro
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@elka.pw.edu.pl>diff --git a/include/linux/ide.h b/include/linux/ide.h
index 9cfc099..336d6e5 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -664,7 +664,6 @@
struct request *rq; /* current request */
struct ide_drive_s *next; /* circular list of hwgroup drives */
- struct ide_driver_s *driver;/* (ide_driver_t *) */
void *driver_data; /* extra driver data */
struct hd_driveid *id; /* drive model identification info */
struct proc_dir_entry *proc; /* /proc/ide/ directory entry */
@@ -758,6 +757,8 @@
struct semaphore gendev_rel_sem; /* to deal with device release() */
} ide_drive_t;
+#define to_ide_device(dev)container_of(dev, ide_drive_t, gendev)
+
#define IDE_CHIPSET_PCI_MASK \
((1<<ide_pci)|(1<<ide_cmd646)|(1<<ide_ali14xx))
#define IDE_CHIPSET_IS_PCI(c) ((IDE_CHIPSET_PCI_MASK >> (c)) & 1)
@@ -1086,28 +1087,20 @@
*/
typedef struct ide_driver_s {
struct module *owner;
- const char *name;
const char *version;
u8 media;
- unsigned busy : 1;
unsigned supports_dsc_overlap : 1;
- int (*cleanup)(ide_drive_t *);
ide_startstop_t (*do_request)(ide_drive_t *, struct request *, sector_t);
int (*end_request)(ide_drive_t *, int, int);
ide_startstop_t (*error)(ide_drive_t *, struct request *rq, u8, u8);
ide_startstop_t (*abort)(ide_drive_t *, struct request *rq);
int (*ioctl)(ide_drive_t *, struct inode *, struct file *, unsigned int, unsigned long);
ide_proc_entry_t *proc;
- int (*attach)(ide_drive_t *);
void (*ata_prebuilder)(ide_drive_t *);
void (*atapi_prebuilder)(ide_drive_t *);
struct device_driver gen_driver;
- struct list_head drives;
- struct list_head drivers;
} ide_driver_t;
-#define DRIVER(drive) ((drive)->driver)
-
int generic_ide_ioctl(ide_drive_t *, struct file *, struct block_device *, unsigned, unsigned long);
/*
@@ -1328,8 +1321,6 @@
void ide_init_disk(struct gendisk *, ide_drive_t *);
-extern int ata_attach(ide_drive_t *);
-
extern int ideprobe_init(void);
extern void ide_scan_pcibus(int scan_direction) __init;
@@ -1342,11 +1333,8 @@
extern void default_hwif_mmiops(ide_hwif_t *);
extern void default_hwif_transport(ide_hwif_t *);
-int ide_register_driver(ide_driver_t *driver);
-void ide_unregister_driver(ide_driver_t *driver);
-int ide_register_subdriver(ide_drive_t *, ide_driver_t *);
-int ide_unregister_subdriver (ide_drive_t *drive);
-int ide_replace_subdriver(ide_drive_t *drive, const char *driver);
+void ide_register_subdriver(ide_drive_t *, ide_driver_t *);
+void ide_unregister_subdriver(ide_drive_t *, ide_driver_t *);
#define ON_BOARD 1
#define NEVER_BOARD 0