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path: root/drivers/ide/ide-acpi.c
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Diffstat (limited to 'drivers/ide/ide-acpi.c')
-rw-r--r--drivers/ide/ide-acpi.c37
1 files changed, 7 insertions, 30 deletions
diff --git a/drivers/ide/ide-acpi.c b/drivers/ide/ide-acpi.c
index 77f79d26b264..c509c9916464 100644
--- a/drivers/ide/ide-acpi.c
+++ b/drivers/ide/ide-acpi.c
@@ -92,6 +92,11 @@ int ide_acpi_init(void)
92 return 0; 92 return 0;
93} 93}
94 94
95bool ide_port_acpi(ide_hwif_t *hwif)
96{
97 return ide_noacpi == 0 && hwif->acpidata;
98}
99
95/** 100/**
96 * ide_get_dev_handle - finds acpi_handle and PCI device.function 101 * ide_get_dev_handle - finds acpi_handle and PCI device.function
97 * @dev: device to locate 102 * @dev: device to locate
@@ -352,9 +357,6 @@ int ide_acpi_exec_tfs(ide_drive_t *drive)
352 unsigned long gtf_address; 357 unsigned long gtf_address;
353 unsigned long obj_loc; 358 unsigned long obj_loc;
354 359
355 if (ide_noacpi)
356 return 0;
357
358 DEBPRINT("call get_GTF, drive=%s port=%d\n", drive->name, drive->dn); 360 DEBPRINT("call get_GTF, drive=%s port=%d\n", drive->name, drive->dn);
359 361
360 ret = do_drive_get_GTF(drive, &gtf_length, &gtf_address, &obj_loc); 362 ret = do_drive_get_GTF(drive, &gtf_length, &gtf_address, &obj_loc);
@@ -389,16 +391,6 @@ void ide_acpi_get_timing(ide_hwif_t *hwif)
389 struct acpi_buffer output; 391 struct acpi_buffer output;
390 union acpi_object *out_obj; 392 union acpi_object *out_obj;
391 393
392 if (ide_noacpi)
393 return;
394
395 DEBPRINT("ENTER:\n");
396
397 if (!hwif->acpidata) {
398 DEBPRINT("no ACPI data for %s\n", hwif->name);
399 return;
400 }
401
402 /* Setting up output buffer for _GTM */ 394 /* Setting up output buffer for _GTM */
403 output.length = ACPI_ALLOCATE_BUFFER; 395 output.length = ACPI_ALLOCATE_BUFFER;
404 output.pointer = NULL; /* ACPI-CA sets this; save/free it later */ 396 output.pointer = NULL; /* ACPI-CA sets this; save/free it later */
@@ -479,16 +471,6 @@ void ide_acpi_push_timing(ide_hwif_t *hwif)
479 struct ide_acpi_drive_link *master = &hwif->acpidata->master; 471 struct ide_acpi_drive_link *master = &hwif->acpidata->master;
480 struct ide_acpi_drive_link *slave = &hwif->acpidata->slave; 472 struct ide_acpi_drive_link *slave = &hwif->acpidata->slave;
481 473
482 if (ide_noacpi)
483 return;
484
485 DEBPRINT("ENTER:\n");
486
487 if (!hwif->acpidata) {
488 DEBPRINT("no ACPI data for %s\n", hwif->name);
489 return;
490 }
491
492 /* Give the GTM buffer + drive Identify data to the channel via the 474 /* Give the GTM buffer + drive Identify data to the channel via the
493 * _STM method: */ 475 * _STM method: */
494 /* setup input parameters buffer for _STM */ 476 /* setup input parameters buffer for _STM */
@@ -527,16 +509,11 @@ void ide_acpi_set_state(ide_hwif_t *hwif, int on)
527 ide_drive_t *drive; 509 ide_drive_t *drive;
528 int i; 510 int i;
529 511
530 if (ide_noacpi || ide_noacpi_psx) 512 if (ide_noacpi_psx)
531 return; 513 return;
532 514
533 DEBPRINT("ENTER:\n"); 515 DEBPRINT("ENTER:\n");
534 516
535 if (!hwif->acpidata) {
536 DEBPRINT("no ACPI data for %s\n", hwif->name);
537 return;
538 }
539
540 /* channel first and then drives for power on and verse versa for power off */ 517 /* channel first and then drives for power on and verse versa for power off */
541 if (on) 518 if (on)
542 acpi_bus_set_power(hwif->acpidata->obj_handle, ACPI_STATE_D0); 519 acpi_bus_set_power(hwif->acpidata->obj_handle, ACPI_STATE_D0);
@@ -616,7 +593,7 @@ void ide_acpi_port_init_devices(ide_hwif_t *hwif)
616 drive->name, err); 593 drive->name, err);
617 } 594 }
618 595
619 if (!ide_acpionboot) { 596 if (ide_noacpi || ide_acpionboot == 0) {
620 DEBPRINT("ACPI methods disabled on boot\n"); 597 DEBPRINT("ACPI methods disabled on boot\n");
621 return; 598 return;
622 } 599 }