X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fata%2Flibata-core.c;h=c24354d44f3d72266dcf8b3994c5070e6e5e55dd;hb=2cb7b5a38c45b48e9ffb8b382c675a4d64ecccde;hp=adf002a3c584b3d2bd7fb27357df040a381f3b82;hpb=e13053f50664d3d614bbc9b8c83abdad979ac7c9;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index adf002a3c584..c24354d44f3d 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2401,7 +2401,7 @@ int ata_dev_configure(struct ata_device *dev)
 			cdb_intr_string = ", CDB intr";
 		}
 
-		if (atapi_dmadir || atapi_id_dmadir(dev->id)) {
+		if (atapi_dmadir || (dev->horkage & ATA_HORKAGE_ATAPI_DMADIR) || atapi_id_dmadir(dev->id)) {
 			dev->flags |= ATA_DFLAG_DMADIR;
 			dma_dir_string = ", DMADIR";
 		}
@@ -5436,7 +5436,7 @@ static int ata_port_runtime_idle(struct device *dev)
 				return -EBUSY;
 	}
 
-	return pm_runtime_suspend(dev);
+	return 0;
 }
 
 static int ata_port_runtime_suspend(struct device *dev)
@@ -5642,6 +5642,7 @@ struct ata_port *ata_port_alloc(struct ata_host *host)
 	ap->pflags |= ATA_PFLAG_INITIALIZING | ATA_PFLAG_FROZEN;
 	ap->lock = &host->lock;
 	ap->print_id = -1;
+	ap->local_port_no = -1;
 	ap->host = host;
 	ap->dev = host->dev;
 
@@ -6132,9 +6133,10 @@ int ata_host_register(struct ata_host *host, struct scsi_host_template *sht)
 		kfree(host->ports[i]);
 
 	/* give ports names and add SCSI hosts */
-	for (i = 0; i < host->n_ports; i++)
+	for (i = 0; i < host->n_ports; i++) {
 		host->ports[i]->print_id = atomic_inc_return(&ata_print_id);
-
+		host->ports[i]->local_port_no = i + 1;
+	}
 
 	/* Create associated sysfs transport objects  */
 	for (i = 0; i < host->n_ports; i++) {
@@ -6502,6 +6504,7 @@ static int __init ata_parse_force_one(char **cur,
 		{ "nosrst",	.lflags		= ATA_LFLAG_NO_SRST },
 		{ "norst",	.lflags		= ATA_LFLAG_NO_HRST | ATA_LFLAG_NO_SRST },
 		{ "rstonce",	.lflags		= ATA_LFLAG_RST_ONCE },
+		{ "atapi_dmadir", .horkage_on	= ATA_HORKAGE_ATAPI_DMADIR },
 	};
 	char *start = *cur, *p = *cur;
 	char *id, *val, *endp;