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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.c63
1 files changed, 20 insertions, 43 deletions
diff --git a/drivers/ide/ide-acpi.c b/drivers/ide/ide-acpi.c
index 68bc61844780..25aaeae1e830 100644
--- a/drivers/ide/ide-acpi.c
+++ b/drivers/ide/ide-acpi.c
@@ -39,7 +39,6 @@ struct GTM_buffer {
};
struct ide_acpi_drive_link {
- ide_drive_t *drive;
acpi_handle obj_handle;
u8 idbuff[512];
};
@@ -280,16 +279,6 @@ static int do_drive_get_GTF(ide_drive_t *drive,
port = hwif->channel ? drive->dn - 2: drive->dn;
- if (!drive->acpidata) {
- if (port == 0) {
- drive->acpidata = &hwif->acpidata->master;
- hwif->acpidata->master.drive = drive;
- } else {
- drive->acpidata = &hwif->acpidata->slave;
- hwif->acpidata->slave.drive = drive;
- }
- }
-
DEBPRINT("ENTER: %s at %s, port#: %d, hard_port#: %d\n",
hwif->name, dev->bus_id, port, hwif->channel);
@@ -494,7 +483,6 @@ int ide_acpi_exec_tfs(ide_drive_t *drive)
return ret;
}
-EXPORT_SYMBOL_GPL(ide_acpi_exec_tfs);
/**
* ide_acpi_get_timing - get the channel (controller) timings
@@ -580,7 +568,6 @@ void ide_acpi_get_timing(ide_hwif_t *hwif)
kfree(output.pointer);
}
-EXPORT_SYMBOL_GPL(ide_acpi_get_timing);
/**
* ide_acpi_push_timing - set the channel (controller) timings
@@ -634,7 +621,6 @@ void ide_acpi_push_timing(ide_hwif_t *hwif)
}
DEBPRINT("_STM status: %d\n", status);
}
-EXPORT_SYMBOL_GPL(ide_acpi_push_timing);
/**
* ide_acpi_set_state - set the channel power state
@@ -688,11 +674,6 @@ void ide_acpi_set_state(ide_hwif_t *hwif, int on)
*/
void ide_acpi_init(ide_hwif_t *hwif)
{
- int unit;
- int err;
- struct ide_acpi_drive_link *master;
- struct ide_acpi_drive_link *slave;
-
ide_acpi_blacklist();
hwif->acpidata = kzalloc(sizeof(struct ide_acpi_hwif_link), GFP_KERNEL);
@@ -704,40 +685,38 @@ void ide_acpi_init(ide_hwif_t *hwif)
DEBPRINT("no ACPI object for %s found\n", hwif->name);
kfree(hwif->acpidata);
hwif->acpidata = NULL;
- return;
}
+}
+
+void ide_acpi_port_init_devices(ide_hwif_t *hwif)
+{
+ ide_drive_t *drive;
+ int i, err;
+
+ if (hwif->acpidata == NULL)
+ return;
/*
* The ACPI spec mandates that we send information
* for both drives, regardless whether they are connected
* or not.
*/
- hwif->acpidata->master.drive = &hwif->drives[0];
hwif->drives[0].acpidata = &hwif->acpidata->master;
- master = &hwif->acpidata->master;
-
- hwif->acpidata->slave.drive = &hwif->drives[1];
hwif->drives[1].acpidata = &hwif->acpidata->slave;
- slave = &hwif->acpidata->slave;
-
/*
* Send IDENTIFY for each drive
*/
- if (master->drive->present) {
- err = taskfile_lib_get_identify(master->drive, master->idbuff);
- if (err) {
- DEBPRINT("identify device %s failed (%d)\n",
- master->drive->name, err);
- }
- }
+ for (i = 0; i < MAX_DRIVES; i++) {
+ drive = &hwif->drives[i];
+
+ if (!drive->present)
+ continue;
- if (slave->drive->present) {
- err = taskfile_lib_get_identify(slave->drive, slave->idbuff);
- if (err) {
+ err = taskfile_lib_get_identify(drive, drive->acpidata->idbuff);
+ if (err)
DEBPRINT("identify device %s failed (%d)\n",
- slave->drive->name, err);
- }
+ drive->name, err);
}
if (ide_noacpionboot) {
@@ -753,13 +732,11 @@ void ide_acpi_init(ide_hwif_t *hwif)
ide_acpi_get_timing(hwif);
ide_acpi_push_timing(hwif);
- for (unit = 0; unit < MAX_DRIVES; ++unit) {
- ide_drive_t *drive = &hwif->drives[unit];
+ for (i = 0; i < MAX_DRIVES; i++) {
+ drive = &hwif->drives[i];
- if (drive->present) {
+ if (drive->present)
/* Execute ACPI startup code */
ide_acpi_exec_tfs(drive);
- }
}
}
-EXPORT_SYMBOL_GPL(ide_acpi_init);