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authorNigel Cunningham <ncunningham@cyclades.com>2006-03-23 23:22:16 +1000
committerJeff Garzik <jeff@garzik.org>2006-03-24 09:51:36 -0500
commit082776e4be791736c32baf818e50f501a7f83819 (patch)
tree508fe750353ccd8f6a77cf2c882c15ab20a1e63e /include/linux/libata.h
parent83206a2903fd2ddb1761d906b2b3b3de17ef87f1 (diff)
[PATCH] Make libata not powerdown drivers on PM_EVENT_FREEZE.
At the moment libata doesn't pass pm_message_t down ata_device_suspend. This causes drives to be powered down when we just want a freeze, causing unnecessary wear and tear. This patch gets pm_message_t passed down so that it can be used to determine whether to power down the drive. Signed-off-by: Nigel Cunningham <nigel@suspend2.net> drivers/scsi/libata-core.c | 5 +++-- drivers/scsi/libata-scsi.c | 4 ++-- drivers/scsi/scsi_sysfs.c | 2 +- include/linux/libata.h | 4 ++-- include/scsi/scsi_host.h | 2 +- 5 files changed, 9 insertions(+), 8 deletions(-) Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'include/linux/libata.h')
-rw-r--r--include/linux/libata.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h
index fbe8ba21259..c52f1349855 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -520,9 +520,9 @@ extern void ata_eh_qc_retry(struct ata_queued_cmd *qc);
extern int ata_scsi_release(struct Scsi_Host *host);
extern unsigned int ata_host_intr(struct ata_port *ap, struct ata_queued_cmd *qc);
extern int ata_scsi_device_resume(struct scsi_device *);
-extern int ata_scsi_device_suspend(struct scsi_device *);
+extern int ata_scsi_device_suspend(struct scsi_device *, pm_message_t state);
extern int ata_device_resume(struct ata_port *, struct ata_device *);
-extern int ata_device_suspend(struct ata_port *, struct ata_device *);
+extern int ata_device_suspend(struct ata_port *, struct ata_device *, pm_message_t state);
extern int ata_ratelimit(void);
extern unsigned int ata_busy_sleep(struct ata_port *ap,
unsigned long timeout_pat,