Merge /spare/repo/linux-2.6/

1 files changed, 13 insertions, 22 deletions

diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c
index 9a547ca9c86..841f4e2cfe0 100644
--- a/drivers/scsi/ahci.c
+++ b/drivers/scsi/ahci.c
@@ -269,6 +269,8 @@ static struct pci_device_id ahci_pci_tbl[] = {
 	  board_ahci }, /* ESB2 */
 	{ PCI_VENDOR_ID_INTEL, 0x2683, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
 	  board_ahci }, /* ESB2 */
+	{ PCI_VENDOR_ID_INTEL, 0x27c6, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
+	  board_ahci }, /* ICH7-M DH */
 	{ }	/* terminate list */
 };
 
@@ -304,26 +306,19 @@ static int ahci_port_start(struct ata_port *ap)
 	struct device *dev = ap->host_set->dev;
 	struct ahci_host_priv *hpriv = ap->host_set->private_data;
 	struct ahci_port_priv *pp;
-	int rc;
 	void *mem, *mmio = ap->host_set->mmio_base;
 	void *port_mmio = ahci_port_base(mmio, ap->port_no);
 	dma_addr_t mem_dma;
 
-	rc = ata_port_start(ap);
-	if (rc)
-		return rc;
-
 	pp = kmalloc(sizeof(*pp), GFP_KERNEL);
-	if (!pp) {
-		rc = -ENOMEM;
-		goto err_out;
-	}
+	if (!pp)
+		return -ENOMEM;
 	memset(pp, 0, sizeof(*pp));
 
 	mem = dma_alloc_coherent(dev, AHCI_PORT_PRIV_DMA_SZ, &mem_dma, GFP_KERNEL);
 	if (!mem) {
-		rc = -ENOMEM;
-		goto err_out_kfree;
+		kfree(pp);
+		return -ENOMEM;
 	}
 	memset(mem, 0, AHCI_PORT_PRIV_DMA_SZ);
 
@@ -373,12 +368,6 @@ static int ahci_port_start(struct ata_port *ap)
 	readl(port_mmio + PORT_CMD); /* flush */
 
 	return 0;
-
-err_out_kfree:
-	kfree(pp);
-err_out:
-	ata_port_stop(ap);
-	return rc;
 }
 
 
@@ -404,7 +393,6 @@ static void ahci_port_stop(struct ata_port *ap)
 	dma_free_coherent(dev, AHCI_PORT_PRIV_DMA_SZ,
 			  pp->cmd_slot, pp->cmd_slot_dma);
 	kfree(pp);
-	ata_port_stop(ap);
 }
 
 static u32 ahci_scr_read (struct ata_port *ap, unsigned int sc_reg_in)
@@ -598,12 +586,16 @@ static void ahci_intr_error(struct ata_port *ap, u32 irq_stat)
 
 static void ahci_eng_timeout(struct ata_port *ap)
 {
-	void *mmio = ap->host_set->mmio_base;
+	struct ata_host_set *host_set = ap->host_set;
+	void *mmio = host_set->mmio_base;
 	void *port_mmio = ahci_port_base(mmio, ap->port_no);
 	struct ata_queued_cmd *qc;
+	unsigned long flags;
 
 	DPRINTK("ENTER\n");
 
+	spin_lock_irqsave(&host_set->lock, flags);
+
 	ahci_intr_error(ap, readl(port_mmio + PORT_IRQ_STAT));
 
 	qc = ata_qc_from_tag(ap, ap->active_tag);
@@ -621,6 +613,7 @@ static void ahci_eng_timeout(struct ata_port *ap)
 		ata_qc_complete(qc, ATA_ERR);
 	}
 
+	spin_unlock_irqrestore(&host_set->lock, flags);
 }
 
 static inline int ahci_host_intr(struct ata_port *ap, struct ata_queued_cmd *qc)
@@ -710,9 +703,6 @@ static int ahci_qc_issue(struct ata_queued_cmd *qc)
 	struct ata_port *ap = qc->ap;
 	void *port_mmio = (void *) ap->ioaddr.cmd_addr;
 
-	writel(1, port_mmio + PORT_SCR_ACT);
-	readl(port_mmio + PORT_SCR_ACT);	/* flush */
-
 	writel(1, port_mmio + PORT_CMD_ISSUE);
 	readl(port_mmio + PORT_CMD_ISSUE);	/* flush */
 
@@ -1119,6 +1109,7 @@ MODULE_AUTHOR("Jeff Garzik");
 MODULE_DESCRIPTION("AHCI SATA low-level driver");
 MODULE_LICENSE("GPL");
 MODULE_DEVICE_TABLE(pci, ahci_pci_tbl);
+MODULE_VERSION(DRV_VERSION);
 
 module_init(ahci_init);
 module_exit(ahci_exit);