My laptop (Acer Travelmate 660) always cuts the power when rebooting
which causes the disk to emergency-park it's head.
Add a dmi check to stop disk as for shutdown on this laptop.
Signed-off-by: Bruno Prémont <bonbons@xxxxxxxxxxxxxxxxx>
---
diff --git a/drivers/ide/ide-gd.c b/drivers/ide/ide-gd.c
index 1aebdf1..4b6b71e 100644
--- a/drivers/ide/ide-gd.c
+++ b/drivers/ide/ide-gd.c
@@ -7,6 +7,7 @@
#include <linux/mutex.h>
#include <linux/ide.h>
#include <linux/hdreg.h>
+#include <linux/dmi.h>
#if !defined(CONFIG_DEBUG_BLOCK_EXT_DEVT)
#define IDE_DISK_MINORS (1 << PARTN_BITS)
@@ -99,6 +100,19 @@ static void ide_gd_resume(ide_drive_t *drive)
(void)drive->disk_ops->get_capacity(drive);
}
+static const struct dmi_system_id ide_coldreboot_table[] = {
+ {
+ /* Acer TravelMate 66x cuts power during reboot */
+ .ident = "Acer TravelMate 660",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
+ },
+ },
+
+ { } /* terminate list */
+};
+
static void ide_gd_shutdown(ide_drive_t *drive)
{
#ifdef CONFIG_ALPHA
@@ -115,7 +129,8 @@ static void ide_gd_shutdown(ide_drive_t *drive)
the disk to expire its write cache. */
if (system_state != SYSTEM_POWER_OFF) {
#else
- if (system_state == SYSTEM_RESTART) {
+ if (system_state == SYSTEM_RESTART &&
+ !dmi_check_system(ide_coldreboot_table)) {
#endif
drive->disk_ops->flush(drive);
return;
--
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