ide: sanitize ACPI initialization

* ide_acpi_init() -> ide_acpi_init_port()

* ide_acpi_blacklist() -> ide_acpi_init()

* Call ide_acpi_init() only once (do it during IDE core
  initialization) and cleanup the function accordingly.

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

3 files changed, 6 insertions, 10 deletions

diff --git a/drivers/ide/ide-acpi.c b/drivers/ide/ide-acpi.c
index 8d6d31f..ba5932d 100644
--- a/drivers/ide/ide-acpi.c
+++ b/drivers/ide/ide-acpi.c
@@ -89,12 +89,8 @@ static const struct dmi_system_id ide_acpi_dmi_table[] = {
 	{ }	/* terminate list */
 };
 
-static int ide_acpi_blacklist(void)
+int ide_acpi_init(void)
 {
-	static int done;
-	if (done)
-		return 0;
-	done = 1;
 	dmi_check_system(ide_acpi_dmi_table);
 	return 0;
 }
@@ -624,7 +620,7 @@ void ide_acpi_set_state(ide_hwif_t *hwif, int on)
 }
 
 /**
- * ide_acpi_init - initialize the ACPI link for an IDE interface
+ * ide_acpi_init_port - initialize the ACPI link for an IDE interface
  * @hwif: target IDE interface (channel)
  *
  * The ACPI spec is not quite clear when the drive identify buffer
@@ -634,10 +630,8 @@ void ide_acpi_set_state(ide_hwif_t *hwif, int on)
  * So we get the information during startup; but this means that
  * any changes during run-time will be lost after resume.
  */
-void ide_acpi_init(ide_hwif_t *hwif)
+void ide_acpi_init_port(ide_hwif_t *hwif)
 {
-	ide_acpi_blacklist();
-
 	hwif->acpidata = kzalloc(sizeof(struct ide_acpi_hwif_link), GFP_KERNEL);
 	if (!hwif->acpidata)
 		return;
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index eb0a38c..a51ad2b 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -1543,7 +1543,7 @@ int ide_host_register(struct ide_host *host, const struct ide_port_info *d,
 
 		j++;
 
-		ide_acpi_init(hwif);
+		ide_acpi_init_port(hwif);
 
 		if (hwif->present)
 			ide_acpi_port_init_devices(hwif);
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 0920e3b..c779aa2 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -527,6 +527,8 @@ static int __init ide_init(void)
 		goto out_port_class;
 	}
 
+	ide_acpi_init();
+
 	proc_ide_create();
 
 	return 0;