X-Git-Url: http://git.samba.org/samba.git/?p=sfrench%2Fcifs-2.6.git;a=blobdiff_plain;f=drivers%2Fata%2Fahci.c;h=6b91c26a4635647ca1a29a175f0bd7a1b6e44245;hp=57be6bea48eb123cdac22c4e1a53d6d54e3aafb5;hb=3c2fcf36d78d75eef46c2e39483ff8c3230ae335;hpb=2625240d0732ac259591ed54371bc01e7bbfdd14

diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 57be6bea48eb..6b91c26a4635 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -114,6 +114,7 @@ enum {
 	board_ahci_sb700	= 5, /* for SB700 and SB800 */
 	board_ahci_mcp65	= 6,
 	board_ahci_nopmp	= 7,
+	board_ahci_yesncq	= 8,
 
 	/* global controller registers */
 	HOST_CAP		= 0x00, /* host capabilities */
@@ -219,6 +220,7 @@ enum {
 	AHCI_HFLAG_NO_HOTPLUG		= (1 << 7), /* ignore PxSERR.DIAG.N */
 	AHCI_HFLAG_SECT255		= (1 << 8), /* max 255 sectors */
 	AHCI_HFLAG_YES_NCQ		= (1 << 9), /* force NCQ cap on */
+	AHCI_HFLAG_NO_SUSPEND		= (1 << 10), /* don't suspend */
 
 	/* ap->flags bits */
 
@@ -469,6 +471,14 @@ static const struct ata_port_info ahci_port_info[] = {
 		.udma_mask	= ATA_UDMA6,
 		.port_ops	= &ahci_ops,
 	},
+	/* board_ahci_yesncq */
+	{
+		AHCI_HFLAGS	(AHCI_HFLAG_YES_NCQ),
+		.flags		= AHCI_FLAG_COMMON,
+		.pio_mask	= ATA_PIO4,
+		.udma_mask	= ATA_UDMA6,
+		.port_ops	= &ahci_ops,
+	},
 };
 
 static const struct pci_device_id ahci_pci_tbl[] = {
@@ -535,30 +545,30 @@ static const struct pci_device_id ahci_pci_tbl[] = {
 	{ PCI_VDEVICE(NVIDIA, 0x045d), board_ahci_mcp65 },	/* MCP65 */
 	{ PCI_VDEVICE(NVIDIA, 0x045e), board_ahci_mcp65 },	/* MCP65 */
 	{ PCI_VDEVICE(NVIDIA, 0x045f), board_ahci_mcp65 },	/* MCP65 */
-	{ PCI_VDEVICE(NVIDIA, 0x0550), board_ahci },		/* MCP67 */
-	{ PCI_VDEVICE(NVIDIA, 0x0551), board_ahci },		/* MCP67 */
-	{ PCI_VDEVICE(NVIDIA, 0x0552), board_ahci },		/* MCP67 */
-	{ PCI_VDEVICE(NVIDIA, 0x0553), board_ahci },		/* MCP67 */
-	{ PCI_VDEVICE(NVIDIA, 0x0554), board_ahci },		/* MCP67 */
-	{ PCI_VDEVICE(NVIDIA, 0x0555), board_ahci },		/* MCP67 */
-	{ PCI_VDEVICE(NVIDIA, 0x0556), board_ahci },		/* MCP67 */
-	{ PCI_VDEVICE(NVIDIA, 0x0557), board_ahci },		/* MCP67 */
-	{ PCI_VDEVICE(NVIDIA, 0x0558), board_ahci },		/* MCP67 */
-	{ PCI_VDEVICE(NVIDIA, 0x0559), board_ahci },		/* MCP67 */
-	{ PCI_VDEVICE(NVIDIA, 0x055a), board_ahci },		/* MCP67 */
-	{ PCI_VDEVICE(NVIDIA, 0x055b), board_ahci },		/* MCP67 */
-	{ PCI_VDEVICE(NVIDIA, 0x07f0), board_ahci },		/* MCP73 */
-	{ PCI_VDEVICE(NVIDIA, 0x07f1), board_ahci },		/* MCP73 */
-	{ PCI_VDEVICE(NVIDIA, 0x07f2), board_ahci },		/* MCP73 */
-	{ PCI_VDEVICE(NVIDIA, 0x07f3), board_ahci },		/* MCP73 */
-	{ PCI_VDEVICE(NVIDIA, 0x07f4), board_ahci },		/* MCP73 */
-	{ PCI_VDEVICE(NVIDIA, 0x07f5), board_ahci },		/* MCP73 */
-	{ PCI_VDEVICE(NVIDIA, 0x07f6), board_ahci },		/* MCP73 */
-	{ PCI_VDEVICE(NVIDIA, 0x07f7), board_ahci },		/* MCP73 */
-	{ PCI_VDEVICE(NVIDIA, 0x07f8), board_ahci },		/* MCP73 */
-	{ PCI_VDEVICE(NVIDIA, 0x07f9), board_ahci },		/* MCP73 */
-	{ PCI_VDEVICE(NVIDIA, 0x07fa), board_ahci },		/* MCP73 */
-	{ PCI_VDEVICE(NVIDIA, 0x07fb), board_ahci },		/* MCP73 */
+	{ PCI_VDEVICE(NVIDIA, 0x0550), board_ahci_yesncq },	/* MCP67 */
+	{ PCI_VDEVICE(NVIDIA, 0x0551), board_ahci_yesncq },	/* MCP67 */
+	{ PCI_VDEVICE(NVIDIA, 0x0552), board_ahci_yesncq },	/* MCP67 */
+	{ PCI_VDEVICE(NVIDIA, 0x0553), board_ahci_yesncq },	/* MCP67 */
+	{ PCI_VDEVICE(NVIDIA, 0x0554), board_ahci_yesncq },	/* MCP67 */
+	{ PCI_VDEVICE(NVIDIA, 0x0555), board_ahci_yesncq },	/* MCP67 */
+	{ PCI_VDEVICE(NVIDIA, 0x0556), board_ahci_yesncq },	/* MCP67 */
+	{ PCI_VDEVICE(NVIDIA, 0x0557), board_ahci_yesncq },	/* MCP67 */
+	{ PCI_VDEVICE(NVIDIA, 0x0558), board_ahci_yesncq },	/* MCP67 */
+	{ PCI_VDEVICE(NVIDIA, 0x0559), board_ahci_yesncq },	/* MCP67 */
+	{ PCI_VDEVICE(NVIDIA, 0x055a), board_ahci_yesncq },	/* MCP67 */
+	{ PCI_VDEVICE(NVIDIA, 0x055b), board_ahci_yesncq },	/* MCP67 */
+	{ PCI_VDEVICE(NVIDIA, 0x07f0), board_ahci_yesncq },	/* MCP73 */
+	{ PCI_VDEVICE(NVIDIA, 0x07f1), board_ahci_yesncq },	/* MCP73 */
+	{ PCI_VDEVICE(NVIDIA, 0x07f2), board_ahci_yesncq },	/* MCP73 */
+	{ PCI_VDEVICE(NVIDIA, 0x07f3), board_ahci_yesncq },	/* MCP73 */
+	{ PCI_VDEVICE(NVIDIA, 0x07f4), board_ahci_yesncq },	/* MCP73 */
+	{ PCI_VDEVICE(NVIDIA, 0x07f5), board_ahci_yesncq },	/* MCP73 */
+	{ PCI_VDEVICE(NVIDIA, 0x07f6), board_ahci_yesncq },	/* MCP73 */
+	{ PCI_VDEVICE(NVIDIA, 0x07f7), board_ahci_yesncq },	/* MCP73 */
+	{ PCI_VDEVICE(NVIDIA, 0x07f8), board_ahci_yesncq },	/* MCP73 */
+	{ PCI_VDEVICE(NVIDIA, 0x07f9), board_ahci_yesncq },	/* MCP73 */
+	{ PCI_VDEVICE(NVIDIA, 0x07fa), board_ahci_yesncq },	/* MCP73 */
+	{ PCI_VDEVICE(NVIDIA, 0x07fb), board_ahci_yesncq },	/* MCP73 */
 	{ PCI_VDEVICE(NVIDIA, 0x0ad0), board_ahci },		/* MCP77 */
 	{ PCI_VDEVICE(NVIDIA, 0x0ad1), board_ahci },		/* MCP77 */
 	{ PCI_VDEVICE(NVIDIA, 0x0ad2), board_ahci },		/* MCP77 */
@@ -2307,9 +2317,17 @@ static int ahci_port_suspend(struct ata_port *ap, pm_message_t mesg)
 static int ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg)
 {
 	struct ata_host *host = dev_get_drvdata(&pdev->dev);
+	struct ahci_host_priv *hpriv = host->private_data;
 	void __iomem *mmio = host->iomap[AHCI_PCI_BAR];
 	u32 ctl;
 
+	if (mesg.event & PM_EVENT_SUSPEND &&
+	    hpriv->flags & AHCI_HFLAG_NO_SUSPEND) {
+		dev_printk(KERN_ERR, &pdev->dev,
+			   "BIOS update required for suspend/resume\n");
+		return -EIO;
+	}
+
 	if (mesg.event & PM_EVENT_SLEEP) {
 		/* AHCI spec rev1.1 section 8.3.3:
 		 * Software must disable interrupts prior to requesting a
@@ -2601,6 +2619,63 @@ static bool ahci_broken_system_poweroff(struct pci_dev *pdev)
 	return false;
 }
 
+static bool ahci_broken_suspend(struct pci_dev *pdev)
+{
+	static const struct dmi_system_id sysids[] = {
+		/*
+		 * On HP dv[4-6] and HDX18 with earlier BIOSen, link
+		 * to the harddisk doesn't become online after
+		 * resuming from STR.  Warn and fail suspend.
+		 */
+		{
+			.ident = "dv4",
+			.matches = {
+				DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+				DMI_MATCH(DMI_PRODUCT_NAME,
+					  "HP Pavilion dv4 Notebook PC"),
+			},
+			.driver_data = "F.30", /* cutoff BIOS version */
+		},
+		{
+			.ident = "dv5",
+			.matches = {
+				DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+				DMI_MATCH(DMI_PRODUCT_NAME,
+					  "HP Pavilion dv5 Notebook PC"),
+			},
+			.driver_data = "F.16", /* cutoff BIOS version */
+		},
+		{
+			.ident = "dv6",
+			.matches = {
+				DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+				DMI_MATCH(DMI_PRODUCT_NAME,
+					  "HP Pavilion dv6 Notebook PC"),
+			},
+			.driver_data = "F.21",	/* cutoff BIOS version */
+		},
+		{
+			.ident = "HDX18",
+			.matches = {
+				DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+				DMI_MATCH(DMI_PRODUCT_NAME,
+					  "HP HDX18 Notebook PC"),
+			},
+			.driver_data = "F.23",	/* cutoff BIOS version */
+		},
+		{ }	/* terminate list */
+	};
+	const struct dmi_system_id *dmi = dmi_first_match(sysids);
+	const char *ver;
+
+	if (!dmi || pdev->bus->number || pdev->devfn != PCI_DEVFN(0x1f, 2))
+		return false;
+
+	ver = dmi_get_system_info(DMI_BIOS_VERSION);
+
+	return !ver || strcmp(ver, dmi->driver_data) < 0;
+}
+
 static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
 	static int printed_version;
@@ -2706,6 +2781,12 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 			"quirky BIOS, skipping spindown on poweroff\n");
 	}
 
+	if (ahci_broken_suspend(pdev)) {
+		hpriv->flags |= AHCI_HFLAG_NO_SUSPEND;
+		dev_printk(KERN_WARNING, &pdev->dev,
+			   "BIOS update required for suspend/resume\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