ide: move IDE settings handling to ide-proc.c

* move
	__ide_add_setting()
	ide_add_setting()
	__ide_remove_setting()
	auto_remove_settings()
	ide_find_setting_by_name()
	ide_read_setting()
	ide_write_setting()
	set_xfer_rate()
	ide_add_generic_settings()
	ide_register_subdriver()
	ide_unregister_subdriver()

  from ide.c to ide-proc.c

* set_{io_32bit,pio_mode,using_dma}() cannot be marked static now, fix it

* rename ide_[un]register_subdriver() to ide_proc_[un]register_driver(),
  update device drivers to use new names

* add CONFIG_IDE_PROC_FS=n versions of ide_proc_[un]register_driver()
  and ide_add_generic_settings()

* make ide_find_setting_by_name(), ide_{read,write}_setting()
  and ide_{add,remove}_proc_entries() static

* cover IDE settings code in device drivers with CONFIG_IDE_PROC_FS #ifdef,
  also while at it cover with CONFIG_IDE_PROC_FS #ifdef ide_driver_t.proc

* remove bogus comment from ide.h

* cover with CONFIG_IDE_PROC_FS #ifdef .proc and .settings in ide_drive_t

Besides saner code this patch results in the IDE core smaller by ~2 kB
(on x86-32) and IDE disk driver by ~1 kB (ditto) when CONFIG_IDE_PROC_FS=n.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 9 insertions, 8 deletions

diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index fa0d22de37a7..e82bfa5e0ab8 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -4561,6 +4561,8 @@ static void idetape_get_blocksize_from_block_descriptor(ide_drive_t *drive)
         printk(KERN_INFO "ide-tape: Adjusted block size - %d\n", tape->tape_block_size);
 #endif /* IDETAPE_DEBUG_INFO */
 }
+
+#ifdef CONFIG_IDE_PROC_FS
 static void idetape_add_settings (ide_drive_t *drive)
 {
         idetape_tape_t *tape = drive->driver_data;
@@ -4583,6 +4585,9 @@ static void idetape_add_settings (ide_drive_t *drive)
         ide_add_setting(drive,  "avg_speed",            SETTING_READ,   TYPE_INT,       0,                      0xffff,                 1,                              1,              &tape->avg_speed,                       NULL);
         ide_add_setting(drive,  "debug_level",          SETTING_RW,     TYPE_INT,       0,                      0xffff,                 1,                              1,              &tape->debug_level,                     NULL);
 }
+#else
+static inline void idetape_add_settings(ide_drive_t *drive) { ; }
+#endif
 
 /*
  *      ide_setup is called to:
@@ -4703,7 +4708,7 @@ static void ide_tape_remove(ide_drive_t *drive)
 {
         idetape_tape_t *tape = drive->driver_data;
 
-        ide_unregister_subdriver(drive, tape->driver);
+        ide_proc_unregister_driver(drive, tape->driver);
 
         ide_unregister_region(tape->disk);
 
@@ -4731,7 +4736,6 @@ static void ide_tape_release(struct kref *kref)
 }
 
 #ifdef CONFIG_IDE_PROC_FS
-
 static int proc_idetape_read_name
         (char *page, char **start, off_t off, int count, int *eof, void *data)
 {
@@ -4749,11 +4753,6 @@ static ide_proc_entry_t idetape_proc[] = {
         { "name",       S_IFREG|S_IRUGO,        proc_idetape_read_name, NULL },
         { NULL, 0, NULL, NULL }
 };
-
-#else
-
-#define idetape_proc    NULL
-
 #endif
 
 static int ide_tape_probe(ide_drive_t *);
@@ -4773,7 +4772,9 @@ static ide_driver_t idetape_driver = {
         .end_request            = idetape_end_request,
         .error                  = __ide_error,
         .abort                  = __ide_abort,
+#ifdef CONFIG_IDE_PROC_FS
         .proc                   = idetape_proc,
+#endif
 };
 
 /*
@@ -4864,7 +4865,7 @@ static int ide_tape_probe(ide_drive_t *drive)
 
         ide_init_disk(g, drive);
 
-        ide_register_subdriver(drive, &idetape_driver);
+        ide_proc_register_driver(drive, &idetape_driver);
 
         kref_init(&tape->kref);