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ide: /proc/ide/hd*/settings rework

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* Add struct ide_devset, S_* flags, *DEVSET() & ide*_devset_*() macros.

* Add 'const struct ide_devset **settings' to ide_driver_t.

* Use 'const struct ide_devset **settings' in ide_drive_t instead of
  'struct ide_settings_s *settings'.  Then convert core code and device
  drivers to use struct ide_devset and co.:

  - device settings are no longer allocated dynamically for each device
    but instead there is an unique struct ide_devset instance per setting

  - device driver keeps the pointer to the table of pointers to its
    settings in ide_driver_t.settings

  - generic settings are kept in ide_generic_setting[]

  - ide_proc_[un]register_driver(), ide_find_setting_by_name(),
    ide_{read,write}_setting() and proc_ide_{read,write}_settings()
    are updated accordingly

  - ide*_add_settings() are removed

* Remove no longer used __ide_add_setting(), ide_add_setting(),
  __ide_remove_setting() and auto_remove_settings().

* Remove no longer used TYPE_*, SETTING_*, ide_procset_t
  and ide_settings_t.

* ->keep_settings, ->using_dma, ->unmask, ->noflush, ->dsc_overlap,
  ->nice1, ->addressing, ->wcache and ->nowerr ide_drive_t fields
  can now be bitfield flags.

While at it:

* Rename ide_find_setting_by_name() to ide_find_setting().

* Rename write_wcache() to set_wcache().

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz
2008-10-10 22:39:28 +02:00
parent 263138a0ad
commit 8185d5aa93
9 changed files with 337 additions and 332 deletions
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drivers/ide/ide-cd.c
+7 -8
View File
@@ -1809,13 +1809,12 @@ static ide_proc_entry_t idecd_proc[] = {
{ NULL, 0, NULL, NULL }
};
static void ide_cdrom_add_settings(ide_drive_t *drive)
{
ide_add_setting(drive, "dsc_overlap", SETTING_RW, TYPE_BYTE, 0, 1, 1, 1,
&drive->dsc_overlap, NULL);
}
#else
static inline void ide_cdrom_add_settings(ide_drive_t *drive) { ; }
ide_devset_rw(dsc_overlap, 0, 1, dsc_overlap);
static const struct ide_devset *idecd_settings[] = {
&ide_devset_dsc_overlap,
NULL
};
#endif
static const struct cd_list_entry ide_cd_quirks_list[] = {
@@ -1926,7 +1925,6 @@ static int ide_cdrom_setup(ide_drive_t *drive)
}
ide_proc_register_driver(drive, cd->driver);
ide_cdrom_add_settings(drive);
return 0;
}
@@ -1977,6 +1975,7 @@ static ide_driver_t ide_cdrom_driver = {
.error = __ide_error,
#ifdef CONFIG_IDE_PROC_FS
.proc = idecd_proc,
.settings = idecd_settings,
#endif
};