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path: root/drivers/ide/ide.c
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Diffstat (limited to 'drivers/ide/ide.c')
-rw-r--r--drivers/ide/ide.c47
1 files changed, 44 insertions, 3 deletions
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 1689076..c750f6c 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -187,6 +187,12 @@ int noautodma = 1;
EXPORT_SYMBOL(noautodma);
+#ifdef CONFIG_BLK_DEV_IDEACPI
+int ide_noacpi = 0;
+int ide_noacpitfs = 1;
+int ide_noacpionboot = 1;
+#endif
+
/*
* This is declared extern in ide.h, for access by other IDE modules:
*/
@@ -1214,10 +1220,15 @@ EXPORT_SYMBOL(system_bus_clock);
static int generic_ide_suspend(struct device *dev, pm_message_t mesg)
{
ide_drive_t *drive = dev->driver_data;
+ ide_hwif_t *hwif = HWIF(drive);
struct request rq;
struct request_pm_state rqpm;
ide_task_t args;
+ /* Call ACPI _GTM only once */
+ if (!(drive->dn % 2))
+ ide_acpi_get_timing(hwif);
+
memset(&rq, 0, sizeof(rq));
memset(&rqpm, 0, sizeof(rqpm));
memset(&args, 0, sizeof(args));
@@ -1235,10 +1246,17 @@ static int generic_ide_suspend(struct device *dev, pm_message_t mesg)
static int generic_ide_resume(struct device *dev)
{
ide_drive_t *drive = dev->driver_data;
+ ide_hwif_t *hwif = HWIF(drive);
struct request rq;
struct request_pm_state rqpm;
ide_task_t args;
+ /* Call ACPI _STM only once */
+ if (!(drive->dn % 2))
+ ide_acpi_push_timing(hwif);
+
+ ide_acpi_exec_tfs(drive);
+
memset(&rq, 0, sizeof(rq));
memset(&rqpm, 0, sizeof(rqpm));
memset(&args, 0, sizeof(args));
@@ -1543,6 +1561,24 @@ static int __init ide_setup(char *s)
}
#endif /* CONFIG_BLK_DEV_IDEPCI */
+#ifdef CONFIG_BLK_DEV_IDEACPI
+ if (!strcmp(s, "ide=noacpi")) {
+ //printk(" : Disable IDE ACPI support.\n");
+ ide_noacpi = 1;
+ return 1;
+ }
+ if (!strcmp(s, "ide=acpigtf")) {
+ //printk(" : Enable IDE ACPI _GTF support.\n");
+ ide_noacpitfs = 0;
+ return 1;
+ }
+ if (!strcmp(s, "ide=acpionboot")) {
+ //printk(" : Call IDE ACPI methods on boot.\n");
+ ide_noacpionboot = 0;
+ return 1;
+ }
+#endif /* CONFIG_BLK_DEV_IDEACPI */
+
/*
* Look for drive options: "hdx="
*/
@@ -1781,8 +1817,9 @@ done:
return 1;
}
-extern void pnpide_init(void);
-extern void h8300_ide_init(void);
+extern void __init pnpide_init(void);
+extern void __exit pnpide_exit(void);
+extern void __init h8300_ide_init(void);
/*
* probe_for_hwifs() finds/initializes "known" IDE interfaces
@@ -2087,13 +2124,17 @@ int __init init_module (void)
return ide_init();
}
-void cleanup_module (void)
+void __exit cleanup_module (void)
{
int index;
for (index = 0; index < MAX_HWIFS; ++index)
ide_unregister(index);
+#ifdef CONFIG_BLK_DEV_IDEPNP
+ pnpide_exit();
+#endif
+
#ifdef CONFIG_PROC_FS
proc_ide_destroy();
#endif