[PATCH] ata_piix: implement piix_borken_suspend()

[Tejun Heo <htejun@xxxxxxxxx>]

Separate out broken suspend blacklist matching into
piix_broken_suspend().

Signed-off-by: Tejun Heo <htejun@xxxxxxxxx>
---
 drivers/ata/ata_piix.c |   60 ++++++++++++++++++++++++-------------------------
 1 file changed, 30 insertions(+), 30 deletions(-)

Index: work/drivers/ata/ata_piix.c
===================================================================
--- work.orig/drivers/ata/ata_piix.c
+++ work/drivers/ata/ata_piix.c
@@ -890,37 +890,38 @@ static void ich_set_dmamode (struct ata_
 }
 
 #ifdef CONFIG_PM
-static struct dmi_system_id piix_broken_suspend_dmi_table[] = {
-	{
-		.ident = "TECRA M5",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "TECRA M5"),
-		},
-	},
-	{
-		.ident = "Satellite U200",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Satellite U200"),
+static int piix_broken_suspend(void)
+{
+	static struct dmi_system_id sysids[] = {
+		{
+			.ident = "TECRA M5",
+			.matches = {
+				DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+				DMI_MATCH(DMI_PRODUCT_NAME, "TECRA M5"),
+			},
 		},
-	},
-	{
-		.ident = "Satellite U205",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Satellite U205"),
+		{
+			.ident = "Satellite U205",
+			.matches = {
+				DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+				DMI_MATCH(DMI_PRODUCT_NAME, "Satellite U205"),
+			},
 		},
-	},
-	{
-		.ident = "Portege M500",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "PORTEGE M500"),
+		{
+			.ident = "Portege M500",
+			.matches = {
+				DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+				DMI_MATCH(DMI_PRODUCT_NAME, "PORTEGE M500"),
+			},
 		},
-	},
-	{ }
-};
+		{ }
+	};
+
+	if (dmi_check_system(sysids))
+		return 1;
+
+	return 0;
+}
 
 static int piix_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg)
 {
@@ -937,8 +938,7 @@ static int piix_pci_device_suspend(struc
 	 * cycles and power trying to do something to the sleeping
 	 * beauty.
 	 */
-	if (dmi_check_system(piix_broken_suspend_dmi_table) &&
-	    mesg.event == PM_EVENT_SUSPEND) {
+	if (piix_broken_suspend() && mesg.event == PM_EVENT_SUSPEND) {
 		pci_save_state(pdev);
 
 		/* mark its power state as "unknown", since we don't
-
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