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Commit daa70fa9 authored by Martin Petermann's avatar Martin Petermann Committed by Martin Schwidefsky
Browse files

[S390] pm: zfcp driver power management callbacks 



Signed-off-by: default avatarMartin Petermann <martin.petermann@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 88efc2c5

drivers/s390/scsi/zfcp_ccw.c

+33 −0
Original line number Diff line number Diff line
@@ -13,6 +13,36 @@ 


#define ZFCP_MODEL_PRIV 0x4



static int zfcp_ccw_suspend(struct ccw_device *cdev)



{

	struct zfcp_adapter *adapter = dev_get_drvdata(&cdev->dev);



	down(&zfcp_data.config_sema);



	zfcp_erp_adapter_shutdown(adapter, 0, "ccsusp1", NULL);

	zfcp_erp_wait(adapter);



	up(&zfcp_data.config_sema);



	return 0;

}



static int zfcp_ccw_activate(struct ccw_device *cdev)



{

	struct zfcp_adapter *adapter = dev_get_drvdata(&cdev->dev);



	zfcp_erp_modify_adapter_status(adapter, "ccresu1", NULL,

				       ZFCP_STATUS_COMMON_RUNNING, ZFCP_SET);

	zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED,

				"ccresu2", NULL);

	zfcp_erp_wait(adapter);

	flush_work(&adapter->scan_work);



	return 0;

}



static struct ccw_device_id zfcp_ccw_device_id[] = {

	{ CCW_DEVICE_DEVTYPE(0x1731, 0x3, 0x1732, 0x3) },

	{ CCW_DEVICE_DEVTYPE(0x1731, 0x3, 0x1732, ZFCP_MODEL_PRIV) },
@@ -227,6 +257,9 @@ static struct ccw_driver zfcp_ccw_driver = { 
	.set_offline = zfcp_ccw_set_offline,

	.notify      = zfcp_ccw_notify,

	.shutdown    = zfcp_ccw_shutdown,

	.freeze      = zfcp_ccw_suspend,

	.thaw	     = zfcp_ccw_activate,

	.restore     = zfcp_ccw_activate,

};



/**