Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev

* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: (24 commits)
  pci: allow multiple calls to pcim_enable_device()
  Blackfin pata-bf54x driver: fix compiling bug - no ata_port struct in struct ata_device any more
  Blackfin pata-bf54x driver: should cover all possible interrupt sources
  Blackfin pata-bf54x driver: Add debug information
  Blackfin pata-bf54x driver: Remove obsolete PM function
  pata_sl82c105: dual channel support
  ata_piix.c: make piix_merge_scr() static
  sata_nv: fix for completion handling
  sata_mv: Remove PCI dependency
  sata_mv ncq Comments and version bump
  sata_mv ncq Remove post internal cmd op
  sata_mv ncq Enable NCQ operation
  sata_mv ncq Introduce per-tag SG tables
  ata_piix: IDE mode SATA patch for Intel ICH10 DeviceID's
  ahci: RAID mode SATA patch for Intel ICH10 DeviceID's
  sata_mv ncq Use DMA memory pools for hardware memory tables
  sata_mv ncq Restrict max sectors to 8-bits on GenII NCQ
  sata_mv ncq Ignore response status LSB on NCQ
  sata_mv ncq Use hqtag instead of ioid
  sata_mv ncq Add want ncq parameter for EDMA configuration
  ...

drivers/ata/Kconfig

@@ -69,7 +69,7 @@ config ATA_PIIX
 
 config SATA_MV
 	tristate "Marvell SATA support (HIGHLY EXPERIMENTAL)"
-	depends on PCI && EXPERIMENTAL
+	depends on EXPERIMENTAL
 	help
 	  This option enables support for the Marvell Serial ATA family.
 	  Currently supports 88SX[56]0[48][01] chips.

drivers/ata/ahci.c

@@ -475,6 +475,8 @@ static const struct pci_device_id ahci_pci_tbl[] = {
 	{ PCI_VDEVICE(INTEL, 0x294e), board_ahci }, /* ICH9M */
 	{ PCI_VDEVICE(INTEL, 0x502a), board_ahci }, /* Tolapai */
 	{ PCI_VDEVICE(INTEL, 0x502b), board_ahci }, /* Tolapai */
+	{ PCI_VDEVICE(INTEL, 0x3a05), board_ahci }, /* ICH10 */
+	{ PCI_VDEVICE(INTEL, 0x3a25), board_ahci }, /* ICH10 */
 
 	/* JMicron 360/1/3/5/6, match class to avoid IDE function */
 	{ PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,

drivers/ata/ata_piix.c

@@ -267,6 +267,14 @@ static const struct pci_device_id piix_pci_tbl[] = {
 	{ 0x8086, 0x292e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
 	/* SATA Controller IDE (Tolapai) */
 	{ 0x8086, 0x5028, PCI_ANY_ID, PCI_ANY_ID, 0, 0, tolapai_sata_ahci },
+	/* SATA Controller IDE (ICH10) */
+	{ 0x8086, 0x3a00, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
+	/* SATA Controller IDE (ICH10) */
+	{ 0x8086, 0x3a06, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
+	/* SATA Controller IDE (ICH10) */
+	{ 0x8086, 0x3a20, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_sata_ahci },
+	/* SATA Controller IDE (ICH10) */
+	{ 0x8086, 0x3a26, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich8_2port_sata },
 
 	{ }	/* terminate list */
 };
@@ -1068,7 +1076,7 @@ static void piix_sidpr_write(struct ata_device *dev, unsigned int reg, u32 val)
 	iowrite32(val, hpriv->sidpr + PIIX_SIDPR_DATA);
 }
 
-u32 piix_merge_scr(u32 val0, u32 val1, const int * const *merge_tbl)
+static u32 piix_merge_scr(u32 val0, u32 val1, const int * const *merge_tbl)
 {
 	u32 val = 0;
 	int i, mi;

drivers/ata/pata_bf54x.c

@@ -299,7 +299,7 @@ static void bfin_set_piomode(struct ata_port *ap, struct ata_device *adev)
 	*/
 	n6 = num_clocks_min(t6min, fsclk);
 	if (mode >= 0 && mode <= 4 && n6 >= 1) {
-		pr_debug("set piomode: mode=%d, fsclk=%ud\n", mode, fsclk);
+		dev_dbg(adev->link->ap->dev, "set piomode: mode=%d, fsclk=%ud\n", mode, fsclk);
 		/* calculate the timing values for register transfers. */
 		while (mode > 0 && pio_fsclk[mode] > fsclk)
 			mode--;
@@ -376,7 +376,7 @@ static void bfin_set_dmamode(struct ata_port *ap, struct ata_device *adev)
 
 	mode = adev->dma_mode - XFER_UDMA_0;
 	if (mode >= 0 && mode <= 5) {
-		pr_debug("set udmamode: mode=%d\n", mode);
+		dev_dbg(adev->link->ap->dev, "set udmamode: mode=%d\n", mode);
 		/* the most restrictive timing value is t6 and tc,
 		 * the DIOW - data hold. If one SCLK pulse is longer
 		 * than this minimum value then register
@@ -433,7 +433,7 @@ static void bfin_set_dmamode(struct ata_port *ap, struct ata_device *adev)
 
 	mode = adev->dma_mode - XFER_MW_DMA_0;
 	if (mode >= 0 && mode <= 2) {
-		pr_debug("set mdmamode: mode=%d\n", mode);
+		dev_dbg(adev->link->ap->dev, "set mdmamode: mode=%d\n", mode);
 		/* the most restrictive timing value is tf, the DMACK to
 		 * read data released. If one SCLK pulse is longer than
 		 * this maximum value then the MDMA mode
@@ -697,7 +697,7 @@ static void bfin_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
 			write_atapi_register(base, ATA_REG_LBAL, tf->hob_lbal);
 			write_atapi_register(base, ATA_REG_LBAM, tf->hob_lbam);
 			write_atapi_register(base, ATA_REG_LBAH, tf->hob_lbah);
-			pr_debug("hob: feat 0x%X nsect 0x%X, lba 0x%X "
+			dev_dbg(ap->dev, "hob: feat 0x%X nsect 0x%X, lba 0x%X "
 				 "0x%X 0x%X\n",
 				tf->hob_feature,
 				tf->hob_nsect,
@@ -711,7 +711,7 @@ static void bfin_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
 		write_atapi_register(base, ATA_REG_LBAL, tf->lbal);
 		write_atapi_register(base, ATA_REG_LBAM, tf->lbam);
 		write_atapi_register(base, ATA_REG_LBAH, tf->lbah);
-		pr_debug("feat 0x%X nsect 0x%X lba 0x%X 0x%X 0x%X\n",
+		dev_dbg(ap->dev, "feat 0x%X nsect 0x%X lba 0x%X 0x%X 0x%X\n",
 			tf->feature,
 			tf->nsect,
 			tf->lbal,
@@ -721,7 +721,7 @@ static void bfin_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
 
 	if (tf->flags & ATA_TFLAG_DEVICE) {
 		write_atapi_register(base, ATA_REG_DEVICE, tf->device);
-		pr_debug("device 0x%X\n", tf->device);
+		dev_dbg(ap->dev, "device 0x%X\n", tf->device);
 	}
 
 	ata_wait_idle(ap);
@@ -782,7 +782,7 @@ static void bfin_exec_command(struct ata_port *ap,
 			      const struct ata_taskfile *tf)
 {
 	void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr;
-	pr_debug("ata%u: cmd 0x%X\n", ap->print_id, tf->command);
+	dev_dbg(ap->dev, "ata%u: cmd 0x%X\n", ap->print_id, tf->command);
 
 	write_atapi_register(base, ATA_REG_CMD, tf->command);
 	ata_pause(ap);
@@ -834,7 +834,7 @@ static void bfin_bmdma_setup(struct ata_queued_cmd *qc)
 	struct scatterlist *sg;
 	unsigned int si;
 
-	pr_debug("in atapi dma setup\n");
+	dev_dbg(qc->ap->dev, "in atapi dma setup\n");
 	/* Program the ATA_CTRL register with dir */
 	if (qc->tf.flags & ATA_TFLAG_WRITE) {
 		/* fill the ATAPI DMA controller */
@@ -870,7 +870,7 @@ static void bfin_bmdma_start(struct ata_queued_cmd *qc)
 	struct scatterlist *sg;
 	unsigned int si;
 
-	pr_debug("in atapi dma start\n");
+	dev_dbg(qc->ap->dev, "in atapi dma start\n");
 	if (!(ap->udma_mask || ap->mwdma_mask))
 		return;
 
@@ -888,7 +888,7 @@ static void bfin_bmdma_start(struct ata_queued_cmd *qc)
 				sg_dma_address(sg) + sg_dma_len(sg));
 		}
 		enable_dma(CH_ATAPI_TX);
-		pr_debug("enable udma write\n");
+		dev_dbg(qc->ap->dev, "enable udma write\n");
 
 		/* Send ATA DMA write command */
 		bfin_exec_command(ap, &qc->tf);
@@ -898,7 +898,7 @@ static void bfin_bmdma_start(struct ata_queued_cmd *qc)
 			| XFER_DIR));
 	} else {
 		enable_dma(CH_ATAPI_RX);
-		pr_debug("enable udma read\n");
+		dev_dbg(qc->ap->dev, "enable udma read\n");
 
 		/* Send ATA DMA read command */
 		bfin_exec_command(ap, &qc->tf);
@@ -936,7 +936,7 @@ static void bfin_bmdma_stop(struct ata_queued_cmd *qc)
 	struct scatterlist *sg;
 	unsigned int si;
 
-	pr_debug("in atapi dma stop\n");
+	dev_dbg(qc->ap->dev, "in atapi dma stop\n");
 	if (!(ap->udma_mask || ap->mwdma_mask))
 		return;
 
@@ -1147,15 +1147,15 @@ static unsigned char bfin_bmdma_status(struct ata_port *ap)
 	void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr;
 	unsigned short int_status = ATAPI_GET_INT_STATUS(base);
 
-	if (ATAPI_GET_STATUS(base) & (MULTI_XFER_ON|ULTRA_XFER_ON)) {
+	if (ATAPI_GET_STATUS(base) & (MULTI_XFER_ON|ULTRA_XFER_ON))
 		host_stat |= ATA_DMA_ACTIVE;
-	}
-	if (int_status & (MULTI_DONE_INT|UDMAIN_DONE_INT|UDMAOUT_DONE_INT)) {
+	if (int_status & (MULTI_DONE_INT|UDMAIN_DONE_INT|UDMAOUT_DONE_INT|
+		ATAPI_DEV_INT))
 		host_stat |= ATA_DMA_INTR;
-	}
-	if (int_status & (MULTI_TERM_INT|UDMAIN_TERM_INT|UDMAOUT_TERM_INT)) {
-		host_stat |= ATA_DMA_ERR;
-	}
+	if (int_status & (MULTI_TERM_INT|UDMAIN_TERM_INT|UDMAOUT_TERM_INT))
+		host_stat |= ATA_DMA_ERR|ATA_DMA_INTR;
+
+	dev_dbg(ap->dev, "ATAPI: host_stat=0x%x\n", host_stat);
 
 	return host_stat;
 }
@@ -1213,8 +1213,7 @@ static void bfin_irq_clear(struct ata_port *ap)
 {
 	void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr;
 
-	pr_debug("in atapi irq clear\n");
-
+	dev_dbg(ap->dev, "in atapi irq clear\n");
 	ATAPI_SET_INT_STATUS(base, ATAPI_GET_INT_STATUS(base)|ATAPI_DEV_INT
 		| MULTI_DONE_INT | UDMAIN_DONE_INT | UDMAOUT_DONE_INT
 		| MULTI_TERM_INT | UDMAIN_TERM_INT | UDMAOUT_TERM_INT);
@@ -1232,7 +1231,7 @@ static unsigned char bfin_irq_on(struct ata_port *ap)
 	void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr;
 	u8 tmp;
 
-	pr_debug("in atapi irq on\n");
+	dev_dbg(ap->dev, "in atapi irq on\n");
 	ap->ctl &= ~ATA_NIEN;
 	ap->last_ctl = ap->ctl;
 
@@ -1255,7 +1254,7 @@ static void bfin_bmdma_freeze(struct ata_port *ap)
 {
 	void __iomem *base = (void __iomem *)ap->ioaddr.ctl_addr;
 
-	pr_debug("in atapi dma freeze\n");
+	dev_dbg(ap->dev, "in atapi dma freeze\n");
 	ap->ctl |= ATA_NIEN;
 	ap->last_ctl = ap->ctl;
 
@@ -1328,7 +1327,7 @@ static void bfin_error_handler(struct ata_port *ap)
 
 static void bfin_port_stop(struct ata_port *ap)
 {
-	pr_debug("in atapi port stop\n");
+	dev_dbg(ap->dev, "in atapi port stop\n");
 	if (ap->udma_mask != 0 || ap->mwdma_mask != 0) {
 		free_dma(CH_ATAPI_RX);
 		free_dma(CH_ATAPI_TX);
@@ -1337,7 +1336,7 @@ static void bfin_port_stop(struct ata_port *ap)
 
 static int bfin_port_start(struct ata_port *ap)
 {
-	pr_debug("in atapi port start\n");
+	dev_dbg(ap->dev, "in atapi port start\n");
 	if (!(ap->udma_mask || ap->mwdma_mask))
 		return 0;
 
@@ -1373,10 +1372,6 @@ static struct scsi_host_template bfin_sht = {
 	.slave_configure	= ata_scsi_slave_config,
 	.slave_destroy		= ata_scsi_slave_destroy,
 	.bios_param		= ata_std_bios_param,
-#ifdef CONFIG_PM
-	.resume			= ata_scsi_device_resume,
-	.suspend		= ata_scsi_device_suspend,
-#endif
 };
 
 static const struct ata_port_operations bfin_pata_ops = {

drivers/ata/pata_sl82c105.c

@@ -26,7 +26,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME "pata_sl82c105"
-#define DRV_VERSION "0.3.2"
+#define DRV_VERSION "0.3.3"
 
 enum {
 	/*
@@ -206,6 +206,34 @@ static void sl82c105_bmdma_stop(struct ata_queued_cmd *qc)
 	sl82c105_set_piomode(ap, qc->dev);
 }
 
+/**
+ *	sl82c105_qc_defer	-	implement serialization
+ *	@qc: command
+ *
+ *	We must issue one command per host not per channel because
+ *	of the reset bug.
+ *
+ *	Q: is the scsi host lock sufficient ?
+ */
+
+static int sl82c105_qc_defer(struct ata_queued_cmd *qc)
+{
+	struct ata_host *host = qc->ap->host;
+	struct ata_port *alt = host->ports[1 ^ qc->ap->port_no];
+	int rc;
+
+	/* First apply the usual rules */	
+	rc = ata_std_qc_defer(qc);
+	if (rc != 0)
+		return rc;
+
+	/* Now apply serialization rules. Only allow a command if the
+	   other channel state machine is idle */
+	if (alt && alt->qc_active)
+		return	ATA_DEFER_PORT;
+	return 0;
+}
+
 static struct scsi_host_template sl82c105_sht = {
 	.module			= THIS_MODULE,
 	.name			= DRV_NAME,
@@ -245,6 +273,7 @@ static struct ata_port_operations sl82c105_port_ops = {
 	.bmdma_stop	= sl82c105_bmdma_stop,
 	.bmdma_status 	= ata_bmdma_status,
 
+	.qc_defer	= sl82c105_qc_defer,
 	.qc_prep 	= ata_qc_prep,
 	.qc_issue	= ata_qc_issue_prot,
 
@@ -312,7 +341,7 @@ static int sl82c105_init_one(struct pci_dev *dev, const struct pci_device_id *id
 	};
 	/* for now use only the first port */
 	const struct ata_port_info *ppi[] = { &info_early,
-					       &ata_dummy_port_info };
+					       NULL };
 	u32 val;
 	int rev;
 

drivers/ata/sata_nv.c

@@ -1011,14 +1011,20 @@ static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance)
 			}
 
 			if (status & (NV_ADMA_STAT_DONE |
-				      NV_ADMA_STAT_CPBERR)) {
-				u32 check_commands;
+				      NV_ADMA_STAT_CPBERR |
+				      NV_ADMA_STAT_CMD_COMPLETE)) {
+				u32 check_commands = notifier_clears[i];
 				int pos, error = 0;
 
+				if (status & NV_ADMA_STAT_CPBERR) {
+					/* Check all active commands */
 					if (ata_tag_valid(ap->link.active_tag))
-					check_commands = 1 << ap->link.active_tag;
+						check_commands = 1 <<
+							ap->link.active_tag;
 					else
-					check_commands = ap->link.sactive;
+						check_commands = ap->
+							link.sactive;
+				}
 
 				/** Check CPBs for completed commands */
 				while ((pos = ffs(check_commands)) && !error) {

drivers/pci/pci.c

@@ -823,7 +823,8 @@ int pcim_enable_device(struct pci_dev *pdev)
 	dr = get_pci_dr(pdev);
 	if (unlikely(!dr))
 		return -ENOMEM;
-	WARN_ON(!!dr->enabled);
+	if (dr->enabled)
+		return 0;
 
 	rc = pci_enable_device(pdev);
 	if (!rc) {