Commit b0aedb04 authored by Bruno Prémont's avatar Bruno Prémont Committed by Bartlomiej Zolnierkiewicz
Browse files

ide: Stop disks on reboot for laptop which cuts power 



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: default avatarBruno Prémont <bonbons@linux-vserver.org>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
parent a1f9a89c

drivers/ide/ide-gd.c

+16 −1
Original line number Diff line number Diff line
@@ -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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