Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into avr32-arch

1 files changed, 72 insertions, 24 deletions

diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 96039671e3b..788bba2b1e1 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -61,9 +61,14 @@
 #define EM_MSG_LED_VALUE_ON           0x00010000
 
 static int ahci_skip_host_reset;
+static int ahci_ignore_sss;
+
 module_param_named(skip_host_reset, ahci_skip_host_reset, int, 0444);
 MODULE_PARM_DESC(skip_host_reset, "skip global host reset (0=don't skip, 1=skip)");
 
+module_param_named(ignore_sss, ahci_ignore_sss, int, 0444);
+MODULE_PARM_DESC(ignore_sss, "Ignore staggered spinup flag (0=don't ignore, 1=ignore)");
+
 static int ahci_enable_alpm(struct ata_port *ap,
 		enum link_pm policy);
 static void ahci_disable_alpm(struct ata_port *ap);
@@ -399,7 +404,7 @@ static const struct ata_port_info ahci_port_info[] = {
 	/* board_ahci */
 	{
 		.flags		= AHCI_FLAG_COMMON,
-		.pio_mask	= 0x1f, /* pio0-4 */
+		.pio_mask	= ATA_PIO4,
 		.udma_mask	= ATA_UDMA6,
 		.port_ops	= &ahci_ops,
 	},
@@ -407,7 +412,7 @@ static const struct ata_port_info ahci_port_info[] = {
 	{
 		AHCI_HFLAGS	(AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_PMP),
 		.flags		= AHCI_FLAG_COMMON,
-		.pio_mask	= 0x1f, /* pio0-4 */
+		.pio_mask	= ATA_PIO4,
 		.udma_mask	= ATA_UDMA6,
 		.port_ops	= &ahci_vt8251_ops,
 	},
@@ -415,7 +420,7 @@ static const struct ata_port_info ahci_port_info[] = {
 	{
 		AHCI_HFLAGS	(AHCI_HFLAG_IGN_IRQ_IF_ERR),
 		.flags		= AHCI_FLAG_COMMON,
-		.pio_mask	= 0x1f, /* pio0-4 */
+		.pio_mask	= ATA_PIO4,
 		.udma_mask	= ATA_UDMA6,
 		.port_ops	= &ahci_ops,
 	},
@@ -425,7 +430,7 @@ static const struct ata_port_info ahci_port_info[] = {
 				 AHCI_HFLAG_32BIT_ONLY | AHCI_HFLAG_NO_MSI |
 				 AHCI_HFLAG_SECT255),
 		.flags		= AHCI_FLAG_COMMON,
-		.pio_mask	= 0x1f, /* pio0-4 */
+		.pio_mask	= ATA_PIO4,
 		.udma_mask	= ATA_UDMA6,
 		.port_ops	= &ahci_sb600_ops,
 	},
@@ -435,7 +440,7 @@ static const struct ata_port_info ahci_port_info[] = {
 				 AHCI_HFLAG_MV_PATA | AHCI_HFLAG_NO_PMP),
 		.flags		= ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
 				  ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA,
-		.pio_mask	= 0x1f, /* pio0-4 */
+		.pio_mask	= ATA_PIO4,
 		.udma_mask	= ATA_UDMA6,
 		.port_ops	= &ahci_ops,
 	},
@@ -443,7 +448,7 @@ static const struct ata_port_info ahci_port_info[] = {
 	{
 		AHCI_HFLAGS	(AHCI_HFLAG_IGN_SERR_INTERNAL),
 		.flags		= AHCI_FLAG_COMMON,
-		.pio_mask	= 0x1f, /* pio0-4 */
+		.pio_mask	= ATA_PIO4,
 		.udma_mask	= ATA_UDMA6,
 		.port_ops	= &ahci_sb600_ops,
 	},
@@ -451,7 +456,7 @@ static const struct ata_port_info ahci_port_info[] = {
 	{
 		AHCI_HFLAGS	(AHCI_HFLAG_YES_NCQ),
 		.flags		= AHCI_FLAG_COMMON,
-		.pio_mask	= 0x1f, /* pio0-4 */
+		.pio_mask	= ATA_PIO4,
 		.udma_mask	= ATA_UDMA6,
 		.port_ops	= &ahci_ops,
 	},
@@ -459,7 +464,7 @@ static const struct ata_port_info ahci_port_info[] = {
 	{
 		AHCI_HFLAGS	(AHCI_HFLAG_NO_PMP),
 		.flags		= AHCI_FLAG_COMMON,
-		.pio_mask	= 0x1f, /* pio0-4 */
+		.pio_mask	= ATA_PIO4,
 		.udma_mask	= ATA_UDMA6,
 		.port_ops	= &ahci_ops,
 	},
@@ -577,18 +582,18 @@ static const struct pci_device_id ahci_pci_tbl[] = {
 	{ PCI_VDEVICE(NVIDIA, 0x0abd), board_ahci },		/* MCP79 */
 	{ PCI_VDEVICE(NVIDIA, 0x0abe), board_ahci },		/* MCP79 */
 	{ PCI_VDEVICE(NVIDIA, 0x0abf), board_ahci },		/* MCP79 */
-	{ PCI_VDEVICE(NVIDIA, 0x0bc8), board_ahci },		/* MCP7B */
-	{ PCI_VDEVICE(NVIDIA, 0x0bc9), board_ahci },		/* MCP7B */
-	{ PCI_VDEVICE(NVIDIA, 0x0bca), board_ahci },		/* MCP7B */
-	{ PCI_VDEVICE(NVIDIA, 0x0bcb), board_ahci },		/* MCP7B */
-	{ PCI_VDEVICE(NVIDIA, 0x0bcc), board_ahci },		/* MCP7B */
-	{ PCI_VDEVICE(NVIDIA, 0x0bcd), board_ahci },		/* MCP7B */
-	{ PCI_VDEVICE(NVIDIA, 0x0bce), board_ahci },		/* MCP7B */
-	{ PCI_VDEVICE(NVIDIA, 0x0bcf), board_ahci },		/* MCP7B */
-	{ PCI_VDEVICE(NVIDIA, 0x0bc4), board_ahci },		/* MCP7B */
-	{ PCI_VDEVICE(NVIDIA, 0x0bc5), board_ahci },		/* MCP7B */
-	{ PCI_VDEVICE(NVIDIA, 0x0bc6), board_ahci },		/* MCP7B */
-	{ PCI_VDEVICE(NVIDIA, 0x0bc7), board_ahci },		/* MCP7B */
+	{ PCI_VDEVICE(NVIDIA, 0x0d84), board_ahci },		/* MCP89 */
+	{ PCI_VDEVICE(NVIDIA, 0x0d85), board_ahci },		/* MCP89 */
+	{ PCI_VDEVICE(NVIDIA, 0x0d86), board_ahci },		/* MCP89 */
+	{ PCI_VDEVICE(NVIDIA, 0x0d87), board_ahci },		/* MCP89 */
+	{ PCI_VDEVICE(NVIDIA, 0x0d88), board_ahci },		/* MCP89 */
+	{ PCI_VDEVICE(NVIDIA, 0x0d89), board_ahci },		/* MCP89 */
+	{ PCI_VDEVICE(NVIDIA, 0x0d8a), board_ahci },		/* MCP89 */
+	{ PCI_VDEVICE(NVIDIA, 0x0d8b), board_ahci },		/* MCP89 */
+	{ PCI_VDEVICE(NVIDIA, 0x0d8c), board_ahci },		/* MCP89 */
+	{ PCI_VDEVICE(NVIDIA, 0x0d8d), board_ahci },		/* MCP89 */
+	{ PCI_VDEVICE(NVIDIA, 0x0d8e), board_ahci },		/* MCP89 */
+	{ PCI_VDEVICE(NVIDIA, 0x0d8f), board_ahci },		/* MCP89 */
 
 	/* SiS */
 	{ PCI_VDEVICE(SI, 0x1184), board_ahci },		/* SiS 966 */
@@ -1343,7 +1348,7 @@ static ssize_t ahci_transmit_led_message(struct ata_port *ap, u32 state,
 	writel(message[1], mmio + hpriv->em_loc+4);
 
 	/* save off new led state for port/slot */
-	emp->led_state = message[1];
+	emp->led_state = state;
 
 	/*
 	 * tell hardware to transmit the message
@@ -2548,6 +2553,41 @@ static void ahci_p5wdh_workaround(struct ata_host *host)
 	}
 }
 
+static bool ahci_broken_system_poweroff(struct pci_dev *pdev)
+{
+	static const struct dmi_system_id broken_systems[] = {
+		{
+			.ident = "HP Compaq nx6310",
+			.matches = {
+				DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+				DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6310"),
+			},
+			/* PCI slot number of the controller */
+			.driver_data = (void *)0x1FUL,
+		},
+		{
+			.ident = "HP Compaq 6720s",
+			.matches = {
+				DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+				DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6720s"),
+			},
+			/* PCI slot number of the controller */
+			.driver_data = (void *)0x1FUL,
+		},
+
+		{ }	/* terminate list */
+	};
+	const struct dmi_system_id *dmi = dmi_first_match(broken_systems);
+
+	if (dmi) {
+		unsigned long slot = (unsigned long)dmi->driver_data;
+		/* apply the quirk only to on-board controllers */
+		return slot == PCI_SLOT(pdev->devfn);
+	}
+
+	return false;
+}
+
 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
 	static int printed_version;
@@ -2616,8 +2656,8 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	if (board_id == board_ahci_sb700 && pdev->revision >= 0x40)
 		hpriv->flags &= ~AHCI_HFLAG_IGN_SERR_INTERNAL;
 
-	if ((hpriv->flags & AHCI_HFLAG_NO_MSI) || pci_enable_msi(pdev))
-		pci_intx(pdev, 1);
+	if (!(hpriv->flags & AHCI_HFLAG_NO_MSI))
+		pci_enable_msi(pdev);
 
 	/* save initial config */
 	ahci_save_initial_config(pdev, hpriv);
@@ -2647,6 +2687,12 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 		}
 	}
 
+	if (ahci_broken_system_poweroff(pdev)) {
+		pi.flags |= ATA_FLAG_NO_POWEROFF_SPINDOWN;
+		dev_info(&pdev->dev,
+			"quirky BIOS, skipping spindown on poweroff\n");
+	}
+
 	/* CAP.NP sometimes indicate the index of the last enabled
 	 * port, at other times, that of the last possible port, so
 	 * determining the maximum port number requires looking at
@@ -2660,8 +2706,10 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	host->iomap = pcim_iomap_table(pdev);
 	host->private_data = hpriv;
 
-	if (!(hpriv->cap & HOST_CAP_SSS))
+	if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)
 		host->flags |= ATA_HOST_PARALLEL_SCAN;
+	else
+		printk(KERN_INFO "ahci: SSS flag set, parallel bus scan disabled\n");
 
 	if (pi.flags & ATA_FLAG_EM)
 		ahci_reset_em(host);