---

yaml
---
r: 21800
b: refs/heads/master
c: c19ba8a
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b4dc7623c1bb258b66418261dab40f0e4cfc6d42
+refs/heads/master: c19ba8af4f104cca28d548cac55c128b28dd31fb

trunk/drivers/scsi/libata-core.c

@@ -1485,7 +1485,24 @@ static int ata_bus_probe(struct ata_port *ap)
 {
 	unsigned int i, found = 0;
 
-	ap->ops->phy_reset(ap);
+	if (ap->ops->probe_reset) {
+		unsigned int classes[ATA_MAX_DEVICES];
+		int rc;
+
+		ata_port_probe(ap);
+
+		rc = ap->ops->probe_reset(ap, classes);
+		if (rc == 0) {
+			for (i = 0; i < ATA_MAX_DEVICES; i++)
+				ap->device[i].class = classes[i];
+		} else {
+			printk(KERN_ERR "ata%u: probe reset failed, "
+			       "disabling port\n", ap->id);
+			ata_port_disable(ap);
+		}
+	} else
+		ap->ops->phy_reset(ap);
+
 	if (ap->flags & ATA_FLAG_PORT_DISABLED)
 		goto err_out;
 

trunk/include/linux/libata.h

@@ -148,9 +148,9 @@ enum {
 	ATA_FLAG_PORT_DISABLED	= (1 << 2), /* port is disabled, ignore it */
 	ATA_FLAG_SATA		= (1 << 3),
 	ATA_FLAG_NO_LEGACY	= (1 << 4), /* no legacy mode check */
-	ATA_FLAG_SRST		= (1 << 5), /* use ATA SRST, not E.D.D. */
+	ATA_FLAG_SRST		= (1 << 5), /* (obsolete) use ATA SRST, not E.D.D. */
 	ATA_FLAG_MMIO		= (1 << 6), /* use MMIO, not PIO */
-	ATA_FLAG_SATA_RESET	= (1 << 7), /* use COMRESET */
+	ATA_FLAG_SATA_RESET	= (1 << 7), /* (obsolete) use COMRESET */
 	ATA_FLAG_PIO_DMA	= (1 << 8), /* PIO cmds via DMA */
 	ATA_FLAG_NOINTR		= (1 << 9), /* FIXME: Remove this once
 					     * proper HSM is in place. */
@@ -419,7 +419,9 @@ struct ata_port_operations {
 	u8   (*check_altstatus)(struct ata_port *ap);
 	void (*dev_select)(struct ata_port *ap, unsigned int device);
 
-	void (*phy_reset) (struct ata_port *ap);
+	void (*phy_reset) (struct ata_port *ap); /* obsolete */
+	int (*probe_reset) (struct ata_port *ap, unsigned int *classes);
+
 	void (*post_set_mode) (struct ata_port *ap);
 
 	int (*check_atapi_dma) (struct ata_queued_cmd *qc);