Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6: (41 commits)
  scc_pata: make use of scc_dma_sff_read_status()
  ide-dma-sff: factor out ide_dma_sff_write_status()
  ide: move read_sff_dma_status() method to 'struct ide_dma_ops'
  ide: don't set hwif->dma_ops in init_dma() method
  Resurrect IT8172 IDE controller driver
  piix: sync ich_laptop[] with ata_piix.c
  ide: update warm-plug HOWTO
  ide: fix ide_port_scan() to do ACPI setup after initializing request queues
  ide: remove now redundant ->cur_dev checks
  ide: remove unused ide_hwif_t.sg_mapped field
  ide: struct ide_atapi_pc - remove unused fields and update documentation
  ide: remove superfluous hwif variable assignment from ide_timer_expiry()
  ide: use ide_pci_is_in_compatibility_mode() helper in setup-pci.c
  ide: make "paranoia" ->handler check in ide_intr() more strict
  ide-cd: convert to ide-atapi facilities
  ide-cd: start DMA before sending the actual packet command
  ide-cd: wait for DRQ to get set per default
  ide: Fix drive's DWORD-IO handling
  ide: add port and host iterators
  ide: dynamic allocation of device structures
  ...

1 files changed, 9 insertions, 13 deletions

diff --git a/drivers/ide/ide-acpi.c b/drivers/ide/ide-acpi.c
index fd4a3643305..2f9e941968d 100644
--- a/drivers/ide/ide-acpi.c
+++ b/drivers/ide/ide-acpi.c
@@ -218,7 +218,7 @@ static acpi_handle ide_acpi_hwif_get_handle(ide_hwif_t *hwif)
  */
 static acpi_handle ide_acpi_drive_get_handle(ide_drive_t *drive)
 {
-	ide_hwif_t	*hwif = HWIF(drive);
+	ide_hwif_t	*hwif = drive->hwif;
 	int		 port;
 	acpi_handle	 drive_handle;
 
@@ -263,7 +263,7 @@ static int do_drive_get_GTF(ide_drive_t *drive,
 	acpi_status			status;
 	struct acpi_buffer		output;
 	union acpi_object 		*out_obj;
-	ide_hwif_t			*hwif = HWIF(drive);
+	ide_hwif_t			*hwif = drive->hwif;
 	struct device			*dev = hwif->gendev.parent;
 	int				err = -ENODEV;
 	int				port;
@@ -641,7 +641,8 @@ void ide_acpi_push_timing(ide_hwif_t *hwif)
  */
 void ide_acpi_set_state(ide_hwif_t *hwif, int on)
 {
-	int unit;
+	ide_drive_t *drive;
+	int i;
 
 	if (ide_noacpi || ide_noacpi_psx)
 		return;
@@ -655,9 +656,8 @@ void ide_acpi_set_state(ide_hwif_t *hwif, int on)
 	/* channel first and then drives for power on and verse versa for power off */
 	if (on)
 		acpi_bus_set_power(hwif->acpidata->obj_handle, ACPI_STATE_D0);
-	for (unit = 0; unit < MAX_DRIVES; ++unit) {
-		ide_drive_t *drive = &hwif->drives[unit];
 
+	ide_port_for_each_dev(i, drive, hwif) {
 		if (!drive->acpidata->obj_handle)
 			drive->acpidata->obj_handle = ide_acpi_drive_get_handle(drive);
 
@@ -711,15 +711,13 @@ void ide_acpi_port_init_devices(ide_hwif_t *hwif)
 	 * for both drives, regardless whether they are connected
 	 * or not.
 	 */
-	hwif->drives[0].acpidata = &hwif->acpidata->master;
-	hwif->drives[1].acpidata = &hwif->acpidata->slave;
+	hwif->devices[0]->acpidata = &hwif->acpidata->master;
+	hwif->devices[1]->acpidata = &hwif->acpidata->slave;
 
 	/*
 	 * Send IDENTIFY for each drive
 	 */
-	for (i = 0; i < MAX_DRIVES; i++) {
-		drive = &hwif->drives[i];
-
+	ide_port_for_each_dev(i, drive, hwif) {
 		memset(drive->acpidata, 0, sizeof(*drive->acpidata));
 
 		if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0)
@@ -744,9 +742,7 @@ void ide_acpi_port_init_devices(ide_hwif_t *hwif)
 	ide_acpi_get_timing(hwif);
 	ide_acpi_push_timing(hwif);
 
-	for (i = 0; i < MAX_DRIVES; i++) {
-		drive = &hwif->drives[i];
-
+	ide_port_for_each_dev(i, drive, hwif) {
 		if (drive->dev_flags & IDE_DFLAG_PRESENT)
 			/* Execute ACPI startup code */
 			ide_acpi_exec_tfs(drive);