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

* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: (86 commits)
  SPIN_LOCK_UNLOCKED cleanup in drivers/ata/pata_winbond.c
  drivers/ata/pata_cmd640.c: fix build with CONFIG_PM=n
  pata_hpt37x: Further small fixes
  pata_hpt3x2n: Add HPT371N support and other bits
  ata: printk warning fixes
  libata: separate ATA_EHI_DID_RESET into DID_SOFTRESET and DID_HARDRESET
  ahci: consolidate common port flags
  ata_timing: ensure t->cycle is always correct
  libata: add missing call to ->cable_detect() in new EH path
  pata_amd: remove contamination added during cable_detect conversion
  libata: Handle drives that require a spin-up command before first access
  libata: HPA support
  libata: kill probe_ent and related helpers
  libata: convert the remaining PATA drivers to new init model
  libata: convert the remaining SATA drivers to new init model
  libata: convert ata_pci_init_native_mode() users to new init model
  libata: convert drivers with combined SATA/PATA ports to new init model
  libata: add init helpers including ata_pci_prepare_native_host()
  libata: convert native PCI host handling to new init model
  libata: convert legacy PCI host handling to new init model
  ...

arch/i386/defconfig

@@ -692,7 +692,6 @@ CONFIG_SATA_SIL=y
 CONFIG_SATA_VIA=y
 # CONFIG_SATA_VITESSE is not set
 # CONFIG_SATA_INIC162X is not set
-CONFIG_SATA_INTEL_COMBINED=y
 CONFIG_SATA_ACPI=y
 # CONFIG_PATA_ALI is not set
 # CONFIG_PATA_AMD is not set

arch/parisc/configs/c3000_defconfig

@@ -435,7 +435,6 @@ CONFIG_SCSI_SATA_SIL=m
 # CONFIG_SCSI_SATA_ULI is not set
 CONFIG_SCSI_SATA_VIA=m
 # CONFIG_SCSI_SATA_VITESSE is not set
-CONFIG_SCSI_SATA_INTEL_COMBINED=y
 # CONFIG_SCSI_DMX3191D is not set
 # CONFIG_SCSI_FUTURE_DOMAIN is not set
 # CONFIG_SCSI_IPS is not set

arch/x86_64/defconfig

@@ -631,7 +631,6 @@ CONFIG_SATA_SIL=y
 CONFIG_SATA_VIA=y
 # CONFIG_SATA_VITESSE is not set
 # CONFIG_SATA_INIC162X is not set
-CONFIG_SATA_INTEL_COMBINED=y
 CONFIG_SATA_ACPI=y
 # CONFIG_PATA_ALI is not set
 # CONFIG_PATA_AMD is not set

drivers/ata/Kconfig

@@ -156,11 +156,6 @@ config SATA_INIC162X
 	help
 	  This option enables support for Initio 162x Serial ATA.
 
-config SATA_INTEL_COMBINED
-	bool
-	depends on IDE=y && !BLK_DEV_IDE_SATA && (SATA_AHCI || ATA_PIIX)
-	default y
-
 config SATA_ACPI
 	bool
 	depends on ACPI && PCI
@@ -184,7 +179,7 @@ config PATA_ALI
 	  If unsure, say N.
 
 config PATA_AMD
-	tristate "AMD/NVidia PATA support (Experimental)"
+	tristate "AMD/NVidia PATA support"
 	depends on PCI
 	help
 	  This option enables support for the AMD and NVidia PATA
@@ -209,6 +204,16 @@ config PATA_ATIIXP
 
 	  If unsure, say N.
 
+config PATA_CMD640_PCI
+	tristate "CMD640 PCI PATA support (Very Experimental)"
+	depends on PCI && EXPERIMENTAL
+	help
+	  This option enables support for the CMD640 PCI IDE
+	  interface chip. Only the primary channel is currently
+	  supported.
+
+	  If unsure, say N.
+
 config PATA_CMD64X
 	tristate "CMD64x PATA support (Very Experimental)"
 	depends on PCI&& EXPERIMENTAL
@@ -273,7 +278,7 @@ config ATA_GENERIC
 	  If unsure, say N.
 
 config PATA_HPT366
-	tristate "HPT 366/368 PATA support (Very Experimental)"
+	tristate "HPT 366/368 PATA support (Experimental)"
 	depends on PCI && EXPERIMENTAL
 	help
 	  This option enables support for the HPT 366 and 368
@@ -282,7 +287,7 @@ config PATA_HPT366
 	  If unsure, say N.
 
 config PATA_HPT37X
-	tristate "HPT 370/370A/371/372/374/302 PATA support (Very Experimental)"
+	tristate "HPT 370/370A/371/372/374/302 PATA support (Experimental)"
 	depends on PCI && EXPERIMENTAL
 	help
 	  This option enables support for the majority of the later HPT
@@ -309,7 +314,7 @@ config PATA_HPT3X3
 	  If unsure, say N.
 
 config PATA_ISAPNP
-	tristate "ISA Plug and Play PATA support (Very Experimental)"
+	tristate "ISA Plug and Play PATA support (Experimental)"
 	depends on EXPERIMENTAL && ISAPNP
 	help
 	  This option enables support for ISA plug & play ATA
@@ -318,8 +323,8 @@ config PATA_ISAPNP
 	  If unsure, say N.
 
 config PATA_IT821X
-	tristate "IT8211/2 PATA support (Experimental)"
-	depends on PCI && EXPERIMENTAL
+	tristate "IT8211/2 PATA support"
+	depends on PCI
 	help
 	  This option enables support for the ITE 8211 and 8212
 	  PATA controllers via the new ATA layer, including RAID
@@ -390,10 +395,10 @@ config PATA_MPIIX
 	  If unsure, say N.
 
 config PATA_OLDPIIX
-	tristate "Intel PATA old PIIX support (Experimental)"
-	depends on PCI && EXPERIMENTAL
+	tristate "Intel PATA old PIIX support"
+	depends on PCI
 	help
-	  This option enables support for old(?) PIIX PATA support.
+	  This option enables support for early PIIX PATA support.
 
 	  If unsure, say N.
 
@@ -444,7 +449,7 @@ config PATA_PCMCIA
 	  If unsure, say N.
 
 config PATA_PDC_OLD
-	tristate "Older Promise PATA controller support (Very Experimental)"
+	tristate "Older Promise PATA controller support (Experimental)"
 	depends on PCI && EXPERIMENTAL
 	help
 	  This option enables support for the Promise 20246, 20262, 20263,
@@ -459,7 +464,7 @@ config PATA_QDI
 	  Support for QDI 6500 and 6580 PATA controllers on VESA local bus.
 
 config PATA_RADISYS
-	tristate "RADISYS 82600 PATA support (Very experimental)"
+	tristate "RADISYS 82600 PATA support (Very Experimental)"
 	depends on PCI && EXPERIMENTAL
 	help
 	  This option enables support for the RADISYS 82600
@@ -477,7 +482,7 @@ config PATA_RZ1000
 	  If unsure, say N.
 
 config PATA_SC1200
-	tristate "SC1200 PATA support (Raving Lunatic)"
+	tristate "SC1200 PATA support (Very Experimental)"
 	depends on PCI && EXPERIMENTAL
 	help
 	  This option enables support for the NatSemi/AMD SC1200 SoC
@@ -486,8 +491,8 @@ config PATA_SC1200
 	  If unsure, say N.
 
 config PATA_SERVERWORKS
-	tristate "SERVERWORKS OSB4/CSB5/CSB6/HT1000 PATA support (Experimental)"
-	depends on PCI && EXPERIMENTAL
+	tristate "SERVERWORKS OSB4/CSB5/CSB6/HT1000 PATA support"
+	depends on PCI
 	help
 	  This option enables support for the Serverworks OSB4/CSB5/CSB6 and
 	  HT1000 PATA controllers, via the new ATA layer.

drivers/ata/Makefile

@@ -22,6 +22,7 @@ obj-$(CONFIG_PATA_ALI)		+= pata_ali.o
 obj-$(CONFIG_PATA_AMD)		+= pata_amd.o
 obj-$(CONFIG_PATA_ARTOP)	+= pata_artop.o
 obj-$(CONFIG_PATA_ATIIXP)	+= pata_atiixp.o
+obj-$(CONFIG_PATA_CMD640_PCI)	+= pata_cmd640.o
 obj-$(CONFIG_PATA_CMD64X)	+= pata_cmd64x.o
 obj-$(CONFIG_PATA_CS5520)	+= pata_cs5520.o
 obj-$(CONFIG_PATA_CS5530)	+= pata_cs5530.o

drivers/ata/ata_generic.c

@@ -32,35 +32,6 @@
  *	A generic parallel ATA driver using libata
  */
 
-/**
- *	generic_pre_reset		-	probe begin
- *	@ap: ATA port
- *
- *	Set up cable type and use generic probe init
- */
-
-static int generic_pre_reset(struct ata_port *ap)
-{
-	ap->cbl = ATA_CBL_PATA80;
-	return ata_std_prereset(ap);
-}
-
-
-/**
- *	generic_error_handler - Probe specified port on PATA host controller
- *	@ap: Port to probe
- *	@classes:
- *
- *	LOCKING:
- *	None (inherited from caller).
- */
-
-
-static void generic_error_handler(struct ata_port *ap)
-{
-	ata_bmdma_drive_eh(ap, generic_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
-}
-
 /**
  *	generic_set_mode	-	mode setting
  *	@ap: interface to set up
@@ -144,8 +115,9 @@ static struct ata_port_operations generic_port_ops = {
 
 	.freeze		= ata_bmdma_freeze,
 	.thaw		= ata_bmdma_thaw,
-	.error_handler	= generic_error_handler,
+	.error_handler	= ata_bmdma_error_handler,
 	.post_internal_cmd = ata_bmdma_post_internal_cmd,
+	.cable_detect	= ata_cable_unknown,
 
 	.qc_prep 	= ata_qc_prep,
 	.qc_issue	= ata_qc_issue_prot,

drivers/ata/ata_piix.c

@@ -93,7 +93,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME	"ata_piix"
-#define DRV_VERSION	"2.10ac1"
+#define DRV_VERSION	"2.11"
 
 enum {
 	PIIX_IOCFG		= 0x54, /* IDE I/O configuration register */
@@ -155,11 +155,11 @@ struct piix_host_priv {
 static int piix_init_one (struct pci_dev *pdev,
 				    const struct pci_device_id *ent);
 static void piix_pata_error_handler(struct ata_port *ap);
-static void ich_pata_error_handler(struct ata_port *ap);
 static void piix_sata_error_handler(struct ata_port *ap);
 static void piix_set_piomode (struct ata_port *ap, struct ata_device *adev);
 static void piix_set_dmamode (struct ata_port *ap, struct ata_device *adev);
 static void ich_set_dmamode (struct ata_port *ap, struct ata_device *adev);
+static int ich_pata_cable_detect(struct ata_port *ap);
 
 static unsigned int in_module_init = 1;
 
@@ -305,6 +305,7 @@ static const struct ata_port_operations piix_pata_ops = {
 	.thaw			= ata_bmdma_thaw,
 	.error_handler		= piix_pata_error_handler,
 	.post_internal_cmd	= ata_bmdma_post_internal_cmd,
+	.cable_detect		= ata_cable_40wire,
 
 	.irq_handler		= ata_interrupt,
 	.irq_clear		= ata_bmdma_irq_clear,
@@ -336,8 +337,9 @@ static const struct ata_port_operations ich_pata_ops = {
 
 	.freeze			= ata_bmdma_freeze,
 	.thaw			= ata_bmdma_thaw,
-	.error_handler		= ich_pata_error_handler,
+	.error_handler		= piix_pata_error_handler,
 	.post_internal_cmd	= ata_bmdma_post_internal_cmd,
+	.cable_detect		= ich_pata_cable_detect,
 
 	.irq_handler		= ata_interrupt,
 	.irq_clear		= ata_bmdma_irq_clear,
@@ -580,12 +582,13 @@ static const struct ich_laptop ich_laptop[] = {
 	/* devid, subvendor, subdev */
 	{ 0x27DF, 0x0005, 0x0280 },	/* ICH7 on Acer 5602WLMi */
 	{ 0x27DF, 0x1025, 0x0110 },	/* ICH7 on Acer 3682WLMi */
+	{ 0x27DF, 0x1043, 0x1267 },	/* ICH7 on Asus W5F */
 	/* end marker */
 	{ 0, }
 };
 
 /**
- *	piix_pata_cbl_detect - Probe host controller cable detect info
+ *	ich_pata_cable_detect - Probe host controller cable detect info
  *	@ap: Port for which cable detect info is desired
  *
  *	Read 80c cable indicator from ATA PCI device's PCI config
@@ -595,23 +598,18 @@ static const struct ich_laptop ich_laptop[] = {
  *	None (inherited from caller).
  */
 
-static void ich_pata_cbl_detect(struct ata_port *ap)
+static int ich_pata_cable_detect(struct ata_port *ap)
 {
 	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
 	const struct ich_laptop *lap = &ich_laptop[0];
 	u8 tmp, mask;
 
-	/* no 80c support in host controller? */
-	if ((ap->udma_mask & ~ATA_UDMA_MASK_40C) == 0)
-		goto cbl40;
-
 	/* Check for specials - Acer Aspire 5602WLMi */
 	while (lap->device) {
 		if (lap->device == pdev->device &&
 		    lap->subvendor == pdev->subsystem_vendor &&
 		    lap->subdevice == pdev->subsystem_device) {
-			ap->cbl = ATA_CBL_PATA40_SHORT;
-		    	return;
+			return ATA_CBL_PATA40_SHORT;
 		}
 		lap++;
 	}
@@ -620,20 +618,14 @@ static void ich_pata_cbl_detect(struct ata_port *ap)
 	mask = ap->port_no == 0 ? PIIX_80C_PRI : PIIX_80C_SEC;
 	pci_read_config_byte(pdev, PIIX_IOCFG, &tmp);
 	if ((tmp & mask) == 0)
-		goto cbl40;
-
-	ap->cbl = ATA_CBL_PATA80;
-	return;
-
-cbl40:
-	ap->cbl = ATA_CBL_PATA40;
+		return ATA_CBL_PATA40;
+	return ATA_CBL_PATA80;
 }
 
 /**
  *	piix_pata_prereset - prereset for PATA host controller
  *	@ap: Target port
  *
- *
  *	LOCKING:
  *	None (inherited from caller).
  */
@@ -643,8 +635,6 @@ static int piix_pata_prereset(struct ata_port *ap)
 
 	if (!pci_test_config_bits(pdev, &piix_enable_bits[ap->port_no]))
 		return -ENOENT;
-
-	ap->cbl = ATA_CBL_PATA40;
 	return ata_std_prereset(ap);
 }
 
@@ -655,30 +645,6 @@ static void piix_pata_error_handler(struct ata_port *ap)
 }
 
 
-/**
- *	ich_pata_prereset - prereset for PATA host controller
- *	@ap: Target port
- *
- *
- *	LOCKING:
- *	None (inherited from caller).
- */
-static int ich_pata_prereset(struct ata_port *ap)
-{
-	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
-
-	if (!pci_test_config_bits(pdev, &piix_enable_bits[ap->port_no]))
-		return -ENOENT;
-	ich_pata_cbl_detect(ap);
-	return ata_std_prereset(ap);
-}
-
-static void ich_pata_error_handler(struct ata_port *ap)
-{
-	ata_bmdma_drive_eh(ap, ich_pata_prereset, ata_std_softreset, NULL,
-			   ata_std_postreset);
-}
-
 static void piix_sata_error_handler(struct ata_port *ap)
 {
 	ata_bmdma_drive_eh(ap, ata_std_prereset, ata_std_softreset, NULL,

drivers/ata/libata-eh.c

@@ -1056,7 +1056,7 @@ static void ata_eh_analyze_serror(struct ata_port *ap)
 	}
 	if (serror & SERR_INTERNAL) {
 		err_mask |= AC_ERR_SYSTEM;
-		action |= ATA_EH_SOFTRESET;
+		action |= ATA_EH_HARDRESET;
 	}
 	if (serror & (SERR_PHYRDY_CHG | SERR_DEV_XCHG))
 		ata_ehi_hotplugged(&ehc->i);
@@ -1151,7 +1151,9 @@ static unsigned int ata_eh_analyze_tf(struct ata_queued_cmd *qc,
 		return ATA_EH_SOFTRESET;
 	}
 
-	if (!(qc->err_mask & AC_ERR_DEV))
+	if (stat & (ATA_ERR | ATA_DF))
+		qc->err_mask |= AC_ERR_DEV;
+	else
 		return 0;
 
 	switch (qc->dev->class) {
@@ -1669,7 +1671,10 @@ static int ata_eh_reset(struct ata_port *ap, int classify,
 				reset == softreset ? "soft" : "hard");
 
 	/* mark that this EH session started with reset */
-	ehc->i.flags |= ATA_EHI_DID_RESET;
+	if (reset == hardreset)
+		ehc->i.flags |= ATA_EHI_DID_HARDRESET;
+	else
+		ehc->i.flags |= ATA_EHI_DID_SOFTRESET;
 
 	rc = ata_do_reset(ap, reset, classes);
 
@@ -1808,6 +1813,10 @@ static int ata_eh_revalidate_and_attach(struct ata_port *ap,
 		}
 	}
 
+	/* PDIAG- should have been released, ask cable type if post-reset */
+	if ((ehc->i.flags & ATA_EHI_DID_RESET) && ap->ops->cable_detect)
+		ap->cbl = ap->ops->cable_detect(ap);
+
 	/* Configure new devices forward such that user doesn't see
 	 * device detection messages backwards.
 	 */

drivers/ata/libata-scsi.c

@@ -104,7 +104,7 @@ static const u8 def_control_mpage[CONTROL_MPAGE_LEN] = {
  * libata transport template.  libata doesn't do real transport stuff.
  * It just needs the eh_timed_out hook.
  */
-struct scsi_transport_template ata_scsi_transport_template = {
+static struct scsi_transport_template ata_scsi_transport_template = {
 	.eh_strategy_handler	= ata_scsi_error,
 	.eh_timed_out		= ata_scsi_timed_out,
 	.user_scan		= ata_scsi_user_scan,
@@ -2678,6 +2678,18 @@ static unsigned int ata_scsi_pass_thru(struct ata_queued_cmd *qc)
 		tf->device = qc->dev->devno ?
 			tf->device | ATA_DEV1 : tf->device & ~ATA_DEV1;
 
+	/* READ/WRITE LONG use a non-standard sect_size */
+	qc->sect_size = ATA_SECT_SIZE;
+	switch (tf->command) {
+	case ATA_CMD_READ_LONG:
+	case ATA_CMD_READ_LONG_ONCE:
+	case ATA_CMD_WRITE_LONG:
+	case ATA_CMD_WRITE_LONG_ONCE:
+		if (tf->protocol != ATA_PROT_PIO || tf->nsect != 1)
+			goto invalid_fld;
+		qc->sect_size = scmd->request_bufflen;
+	}
+
 	/*
 	 * Filter SET_FEATURES - XFER MODE command -- otherwise,
 	 * SET_FEATURES - XFER MODE must be preceded/succeeded
@@ -2792,8 +2804,9 @@ static inline int __ata_scsi_queuecmd(struct scsi_cmnd *scmd,
 {
 	int rc = 0;
 
-	if (unlikely(!scmd->cmd_len)) {
-		ata_dev_printk(dev, KERN_WARNING, "WARNING: zero len CDB\n");
+	if (unlikely(!scmd->cmd_len || scmd->cmd_len > dev->cdb_len)) {
+		DPRINTK("bad CDB len=%u, max=%u\n",
+			scmd->cmd_len, dev->cdb_len);
 		scmd->result = DID_ERROR << 16;
 		done(scmd);
 		return 0;
@@ -2948,6 +2961,48 @@ void ata_scsi_simulate(struct ata_device *dev, struct scsi_cmnd *cmd,
 	}
 }
 
+int ata_scsi_add_hosts(struct ata_host *host, struct scsi_host_template *sht)
+{
+	int i, rc;
+
+	for (i = 0; i < host->n_ports; i++) {
+		struct ata_port *ap = host->ports[i];
+		struct Scsi_Host *shost;
+
+		rc = -ENOMEM;
+		shost = scsi_host_alloc(sht, sizeof(struct ata_port *));
+		if (!shost)
+			goto err_alloc;
+
+		*(struct ata_port **)&shost->hostdata[0] = ap;
+		ap->scsi_host = shost;
+
+		shost->transportt = &ata_scsi_transport_template;
+		shost->unique_id = ap->print_id;
+		shost->max_id = 16;
+		shost->max_lun = 1;
+		shost->max_channel = 1;
+		shost->max_cmd_len = 16;
+
+		rc = scsi_add_host(ap->scsi_host, ap->host->dev);
+		if (rc)
+			goto err_add;
+	}
+
+	return 0;
+
+ err_add:
+	scsi_host_put(host->ports[i]->scsi_host);
+ err_alloc:
+	while (--i >= 0) {
+		struct Scsi_Host *shost = host->ports[i]->scsi_host;
+
+		scsi_remove_host(shost);
+		scsi_host_put(shost);
+	}
+	return rc;
+}
+
 void ata_scsi_scan_host(struct ata_port *ap)
 {
 	unsigned int i;
@@ -3224,21 +3279,21 @@ struct ata_port *ata_sas_port_alloc(struct ata_host *host,
 				    struct ata_port_info *port_info,
 				    struct Scsi_Host *shost)
 {
-	struct ata_port *ap = kzalloc(sizeof(*ap), GFP_KERNEL);
-	struct ata_probe_ent *ent;
+	struct ata_port *ap;
 
+	ap = ata_port_alloc(host);
 	if (!ap)
 		return NULL;
 
-	ent = ata_probe_ent_alloc(host->dev, port_info);
-	if (!ent) {
-		kfree(ap);
-		return NULL;
-	}
-
-	ata_port_init(ap, host, ent, 0);
+	ap->port_no = 0;
 	ap->lock = shost->host_lock;
-	devm_kfree(host->dev, ent);
+	ap->pio_mask = port_info->pio_mask;
+	ap->mwdma_mask = port_info->mwdma_mask;
+	ap->udma_mask = port_info->udma_mask;
+	ap->flags |= port_info->flags;
+	ap->ops = port_info->port_ops;
+	ap->cbl = ATA_CBL_SATA;
+
 	return ap;
 }
 EXPORT_SYMBOL_GPL(ata_sas_port_alloc);
@@ -3294,8 +3349,10 @@ int ata_sas_port_init(struct ata_port *ap)
 {
 	int rc = ap->ops->port_start(ap);
 
-	if (!rc)
+	if (!rc) {
+		ap->print_id = ata_print_id++;
 		rc = ata_bus_probe(ap);
+	}
 
 	return rc;
 }

drivers/ata/libata.h

@@ -52,6 +52,7 @@ enum {
 	ATA_DNXFER_QUIET	= (1 << 31),
 };
 
+extern unsigned int ata_print_id;
 extern struct workqueue_struct *ata_aux_wq;
 extern int atapi_enabled;
 extern int atapi_dmadir;
@@ -92,10 +93,7 @@ extern int ata_flush_cache(struct ata_device *dev);
 extern void ata_dev_init(struct ata_device *dev);
 extern int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg);
 extern int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg);
-extern void ata_port_init(struct ata_port *ap, struct ata_host *host,
-			  const struct ata_probe_ent *ent, unsigned int port_no);
-extern struct ata_probe_ent *ata_probe_ent_alloc(struct device *dev,
-						 const struct ata_port_info *port);
+extern struct ata_port *ata_port_alloc(struct ata_host *host);
 
 /* libata-acpi.c */
 #ifdef CONFIG_SATA_ACPI
@@ -113,8 +111,8 @@ static inline int ata_acpi_push_id(struct ata_port *ap, unsigned int ix)
 #endif
 
 /* libata-scsi.c */
-extern struct scsi_transport_template ata_scsi_transport_template;
-
+extern int ata_scsi_add_hosts(struct ata_host *host,
+			      struct scsi_host_template *sht);
 extern void ata_scsi_scan_host(struct ata_port *ap);
 extern int ata_scsi_offline_dev(struct ata_device *dev);
 extern void ata_scsi_hotplug(struct work_struct *work);

drivers/ata/pata_ali.c

@@ -34,7 +34,7 @@
 #include <linux/dmi.h>
 
 #define DRV_NAME "pata_ali"
-#define DRV_VERSION "0.7.3"
+#define DRV_VERSION "0.7.4"
 
 /*
  *	Cable special cases
@@ -89,59 +89,6 @@ static int ali_c2_cable_detect(struct ata_port *ap)
 		return ATA_CBL_PATA80;
 }
 
-/**
- *	ali_early_error_handler	-	reset for eary chip
- *	@ap: ATA port
- *
- *	Handle the reset callback for the later chips with cable detect
- */
-
-static int ali_c2_pre_reset(struct ata_port *ap)
-{
-	ap->cbl = ali_c2_cable_detect(ap);
-	return ata_std_prereset(ap);
-}
-
-static void ali_c2_error_handler(struct ata_port *ap)
-{
-	ata_bmdma_drive_eh(ap, ali_c2_pre_reset,
-			       ata_std_softreset, NULL,
-			       ata_std_postreset);
-}
-
-/**
- *	ali_early_cable_detect	-	cable detection
- *	@ap: ATA port
- *
- *	Perform cable detection for older chipsets. This turns out to be
- *	rather easy to implement
- */
-
-static int ali_early_cable_detect(struct ata_port *ap)
-{
-	return ATA_CBL_PATA40;
-}
-
-/**
- *	ali_early_probe_init	-	reset for early chip
- *	@ap: ATA port
- *
- *	Handle the reset callback for the early (pre cable detect) chips.
- */
-
-static int ali_early_pre_reset(struct ata_port *ap)
-{
-	ap->cbl = ali_early_cable_detect(ap);
-	return ata_std_prereset(ap);
-}
-
-static void ali_early_error_handler(struct ata_port *ap)
-{
-	return ata_bmdma_drive_eh(ap, ali_early_pre_reset,
-				     ata_std_softreset, NULL,
-				     ata_std_postreset);
-}
-
 /**
  *	ali_20_filter		-	filter for earlier ALI DMA
  *	@ap: ALi ATA port
@@ -151,7 +98,7 @@ static void ali_early_error_handler(struct ata_port *ap)
  *	fix that later on. Also ensure we do not do UDMA on WDC drives
  */
 
-static unsigned long ali_20_filter(const struct ata_port *ap, struct ata_device *adev, unsigned long mask)
+static unsigned long ali_20_filter(struct ata_device *adev, unsigned long mask)
 {
 	char model_num[ATA_ID_PROD_LEN + 1];
 	/* No DMA on anything but a disk for now */
@@ -160,7 +107,7 @@ static unsigned long ali_20_filter(const struct ata_port *ap, struct ata_device
 	ata_id_c_string(adev->id, model_num, ATA_ID_PROD, sizeof(model_num));
 	if (strstr(model_num, "WDC"))
 		return mask &= ~ATA_MASK_UDMA;
-	return ata_pci_default_filter(ap, adev, mask);
+	return ata_pci_default_filter(adev, mask);
 }
 
 /**
@@ -314,7 +261,6 @@ static void ali_set_dmamode(struct ata_port *ap, struct ata_device *adev)
 
 /**
  *	ali_lock_sectors	-	Keep older devices to 255 sector mode
- *	@ap: ATA port
  *	@adev: Device
  *
  *	Called during the bus probe for each device that is found. We use
@@ -324,7 +270,7 @@ static void ali_set_dmamode(struct ata_port *ap, struct ata_device *adev)
  *	slower PIO methods
  */
 
-static void ali_lock_sectors(struct ata_port *ap, struct ata_device *adev)
+static void ali_lock_sectors(struct ata_device *adev)
 {
 	adev->max_sectors = 255;
 }
@@ -366,8 +312,9 @@ static struct ata_port_operations ali_early_port_ops = {
 
 	.freeze		= ata_bmdma_freeze,
 	.thaw		= ata_bmdma_thaw,
-	.error_handler	= ali_early_error_handler,
+	.error_handler	= ata_bmdma_error_handler,
 	.post_internal_cmd = ata_bmdma_post_internal_cmd,
+	.cable_detect	= ata_cable_40wire,
 
 	.qc_prep 	= ata_qc_prep,
 	.qc_issue	= ata_qc_issue_prot,
@@ -402,8 +349,9 @@ static struct ata_port_operations ali_20_port_ops = {
 
 	.freeze		= ata_bmdma_freeze,
 	.thaw		= ata_bmdma_thaw,
-	.error_handler	= ali_early_error_handler,
+	.error_handler	= ata_bmdma_error_handler,
 	.post_internal_cmd = ata_bmdma_post_internal_cmd,
+	.cable_detect	= ata_cable_40wire,
 
 	.bmdma_setup 	= ata_bmdma_setup,
 	.bmdma_start 	= ata_bmdma_start,
@@ -440,8 +388,9 @@ static struct ata_port_operations ali_c2_port_ops = {
 
 	.freeze		= ata_bmdma_freeze,
 	.thaw		= ata_bmdma_thaw,
-	.error_handler	= ali_c2_error_handler,
+	.error_handler	= ata_bmdma_error_handler,
 	.post_internal_cmd = ata_bmdma_post_internal_cmd,
+	.cable_detect	= ali_c2_cable_detect,
 
 	.bmdma_setup 	= ata_bmdma_setup,
 	.bmdma_start 	= ata_bmdma_start,
@@ -477,8 +426,9 @@ static struct ata_port_operations ali_c5_port_ops = {
 
 	.freeze		= ata_bmdma_freeze,
 	.thaw		= ata_bmdma_thaw,
-	.error_handler	= ali_c2_error_handler,
+	.error_handler	= ata_bmdma_error_handler,
 	.post_internal_cmd = ata_bmdma_post_internal_cmd,
+	.cable_detect	= ali_c2_cable_detect,
 
 	.bmdma_setup 	= ata_bmdma_setup,
 	.bmdma_start 	= ata_bmdma_start,

drivers/ata/pata_amd.c

@@ -25,7 +25,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME "pata_amd"
-#define DRV_VERSION "0.2.8"
+#define DRV_VERSION "0.3.8"
 
 /**
  *	timing_setup		-	shared timing computation and load
@@ -119,32 +119,25 @@ static void timing_setup(struct ata_port *ap, struct ata_device *adev, int offse
 }
 
 /**
- *	amd_probe_init		-	cable detection
+ *	amd_probe_init		-	perform reset handling
  *	@ap: ATA port
  *
- *	Perform cable detection. The BIOS stores this in PCI config
- *	space for us.
+ *	Reset sequence checking enable bits to see which ports are
+ *	active.
  */
 
 static int amd_pre_reset(struct ata_port *ap)
 {
-	static const u32 bitmask[2] = {0x03, 0x0C};
 	static const struct pci_bits amd_enable_bits[] = {
 		{ 0x40, 1, 0x02, 0x02 },
 		{ 0x40, 1, 0x01, 0x01 }
 	};
 
 	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
-	u8 ata66;
 
 	if (!pci_test_config_bits(pdev, &amd_enable_bits[ap->port_no]))
 		return -ENOENT;
 
-	pci_read_config_byte(pdev, 0x42, &ata66);
-	if (ata66 & bitmask[ap->port_no])
-		ap->cbl = ATA_CBL_PATA80;
-	else
-		ap->cbl = ATA_CBL_PATA40;
 	return ata_std_prereset(ap);
 
 }
@@ -156,28 +149,16 @@ static void amd_error_handler(struct ata_port *ap)
 				      ata_std_postreset);
 }
 
-static int amd_early_pre_reset(struct ata_port *ap)
+static int amd_cable_detect(struct ata_port *ap)
 {
+	static const u32 bitmask[2] = {0x03, 0x0C};
 	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
-	static struct pci_bits amd_enable_bits[] = {
-		{ 0x40, 1, 0x02, 0x02 },
-		{ 0x40, 1, 0x01, 0x01 }
-	};
-
-	if (!pci_test_config_bits(pdev, &amd_enable_bits[ap->port_no]))
-		return -ENOENT;
-
-	/* No host side cable detection */
-	ap->cbl = ATA_CBL_PATA80;
-	return ata_std_prereset(ap);
-
-}
+	u8 ata66;
 
-static void amd_early_error_handler(struct ata_port *ap)
-{
-	ata_bmdma_drive_eh(ap, amd_early_pre_reset,
-			       ata_std_softreset, NULL,
-			       ata_std_postreset);
+	pci_read_config_byte(pdev, 0x42, &ata66);
+	if (ata66 & bitmask[ap->port_no])
+		return ATA_CBL_PATA80;
+	return ATA_CBL_PATA40;
 }
 
 /**
@@ -247,31 +228,16 @@ static void amd133_set_dmamode(struct ata_port *ap, struct ata_device *adev)
  */
 
 static int nv_pre_reset(struct ata_port *ap) {
-	static const u8 bitmask[2] = {0x03, 0x0C};
 	static const struct pci_bits nv_enable_bits[] = {
 		{ 0x50, 1, 0x02, 0x02 },
 		{ 0x50, 1, 0x01, 0x01 }
 	};
 
 	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
-	u8 ata66;
-	u16 udma;
 
 	if (!pci_test_config_bits(pdev, &nv_enable_bits[ap->port_no]))
 		return -ENOENT;
 
-	pci_read_config_byte(pdev, 0x52, &ata66);
-	if (ata66 & bitmask[ap->port_no])
-		ap->cbl = ATA_CBL_PATA80;
-	else
-		ap->cbl = ATA_CBL_PATA40;
-
-	/* We now have to double check because the Nvidia boxes BIOS
-	   doesn't always set the cable bits but does set mode bits */
-
-	pci_read_config_word(pdev, 0x62 - 2 * ap->port_no, &udma);
-	if ((udma & 0xC4) == 0xC4 || (udma & 0xC400) == 0xC400)
-		ap->cbl = ATA_CBL_PATA80;
 	return ata_std_prereset(ap);
 }
 
@@ -281,6 +247,29 @@ static void nv_error_handler(struct ata_port *ap)
 			       ata_std_softreset, NULL,
 			       ata_std_postreset);
 }
+
+static int nv_cable_detect(struct ata_port *ap)
+{
+	static const u8 bitmask[2] = {0x03, 0x0C};
+	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+	u8 ata66;
+	u16 udma;
+	int cbl;
+
+	pci_read_config_byte(pdev, 0x52, &ata66);
+	if (ata66 & bitmask[ap->port_no])
+		cbl = ATA_CBL_PATA80;
+	else
+		cbl = ATA_CBL_PATA40;
+
+ 	/* We now have to double check because the Nvidia boxes BIOS
+ 	   doesn't always set the cable bits but does set mode bits */
+ 	pci_read_config_word(pdev, 0x62 - 2 * ap->port_no, &udma);
+ 	if ((udma & 0xC4) == 0xC4 || (udma & 0xC400) == 0xC400)
+		cbl = ATA_CBL_PATA80;
+	return cbl;
+}
+
 /**
  *	nv100_set_piomode	-	set initial PIO mode data
  *	@ap: ATA interface
@@ -353,8 +342,9 @@ static struct ata_port_operations amd33_port_ops = {
 
 	.freeze		= ata_bmdma_freeze,
 	.thaw		= ata_bmdma_thaw,
-	.error_handler	= amd_early_error_handler,
+	.error_handler	= amd_error_handler,
 	.post_internal_cmd = ata_bmdma_post_internal_cmd,
+	.cable_detect	= ata_cable_40wire,
 
 	.bmdma_setup 	= ata_bmdma_setup,
 	.bmdma_start 	= ata_bmdma_start,
@@ -387,8 +377,9 @@ static struct ata_port_operations amd66_port_ops = {
 
 	.freeze		= ata_bmdma_freeze,
 	.thaw		= ata_bmdma_thaw,
-	.error_handler	= amd_early_error_handler,
+	.error_handler	= amd_error_handler,
 	.post_internal_cmd = ata_bmdma_post_internal_cmd,
+	.cable_detect	= ata_cable_unknown,
 
 	.bmdma_setup 	= ata_bmdma_setup,
 	.bmdma_start 	= ata_bmdma_start,
@@ -423,6 +414,7 @@ static struct ata_port_operations amd100_port_ops = {
 	.thaw		= ata_bmdma_thaw,
 	.error_handler	= amd_error_handler,
 	.post_internal_cmd = ata_bmdma_post_internal_cmd,
+	.cable_detect	= ata_cable_unknown,
 
 	.bmdma_setup 	= ata_bmdma_setup,
 	.bmdma_start 	= ata_bmdma_start,
@@ -457,6 +449,7 @@ static struct ata_port_operations amd133_port_ops = {
 	.thaw		= ata_bmdma_thaw,
 	.error_handler	= amd_error_handler,
 	.post_internal_cmd = ata_bmdma_post_internal_cmd,
+	.cable_detect	= amd_cable_detect,
 
 	.bmdma_setup 	= ata_bmdma_setup,
 	.bmdma_start 	= ata_bmdma_start,
@@ -491,6 +484,7 @@ static struct ata_port_operations nv100_port_ops = {
 	.thaw		= ata_bmdma_thaw,
 	.error_handler	= nv_error_handler,
 	.post_internal_cmd = ata_bmdma_post_internal_cmd,
+	.cable_detect	= nv_cable_detect,
 
 	.bmdma_setup 	= ata_bmdma_setup,
 	.bmdma_start 	= ata_bmdma_start,
@@ -525,6 +519,7 @@ static struct ata_port_operations nv133_port_ops = {
 	.thaw		= ata_bmdma_thaw,
 	.error_handler	= nv_error_handler,
 	.post_internal_cmd = ata_bmdma_post_internal_cmd,
+	.cable_detect	= nv_cable_detect,
 
 	.bmdma_setup 	= ata_bmdma_setup,
 	.bmdma_start 	= ata_bmdma_start,

drivers/ata/pata_artop.c

@@ -49,8 +49,6 @@ static int artop6210_pre_reset(struct ata_port *ap)
 
 	if (!pci_test_config_bits(pdev, &artop_enable_bits[ap->port_no]))
 		return -ENOENT;
-
-	ap->cbl = ATA_CBL_PATA40;
 	return ata_std_prereset(ap);
 }
 
@@ -85,18 +83,28 @@ static int artop6260_pre_reset(struct ata_port *ap)
 	};
 
 	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
-	u8 tmp;
 
 	/* Odd numbered device ids are the units with enable bits (the -R cards) */
 	if (pdev->device % 1 && !pci_test_config_bits(pdev, &artop_enable_bits[ap->port_no]))
 		return -ENOENT;
+	return ata_std_prereset(ap);
+}
 
+/**
+ *	artop6260_cable_detect	-	identify cable type
+ *	@ap: Port
+ *
+ *	Identify the cable type for the ARTOp interface in question
+ */
+ 
+static int artop6260_cable_detect(struct ata_port *ap)
+{
+	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+	u8 tmp;
 	pci_read_config_byte(pdev, 0x49, &tmp);
 	if (tmp & (1 << ap->port_no))
-		ap->cbl = ATA_CBL_PATA40;
-	else
-		ap->cbl = ATA_CBL_PATA80;
-	return ata_std_prereset(ap);
+		return ATA_CBL_PATA40;
+	return ATA_CBL_PATA80;
 }
 
 /**
@@ -225,7 +233,7 @@ static void artop6260_set_piomode(struct ata_port *ap, struct ata_device *adev)
 /**
  *	artop6210_set_dmamode - Initialize host controller PATA PIO timings
  *	@ap: Port whose timings we are configuring
- *	@adev: um
+ *	@adev: Device whose timings we are configuring
  *
  *	Set DMA mode for device, in host controller PCI config space.
  *
@@ -333,6 +341,7 @@ static const struct ata_port_operations artop6210_ops = {
 	.thaw			= ata_bmdma_thaw,
 	.error_handler		= artop6210_error_handler,
 	.post_internal_cmd 	= ata_bmdma_post_internal_cmd,
+	.cable_detect		= ata_cable_40wire,
 
 	.bmdma_setup		= ata_bmdma_setup,
 	.bmdma_start		= ata_bmdma_start,
@@ -366,6 +375,7 @@ static const struct ata_port_operations artop6260_ops = {
 	.thaw			= ata_bmdma_thaw,
 	.error_handler		= artop6260_error_handler,
 	.post_internal_cmd 	= ata_bmdma_post_internal_cmd,
+	.cable_detect		= artop6260_cable_detect,
 
 	.bmdma_setup		= ata_bmdma_setup,
 	.bmdma_start		= ata_bmdma_start,

drivers/ata/pata_atiixp.c

@@ -22,7 +22,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME "pata_atiixp"
-#define DRV_VERSION "0.4.4"
+#define DRV_VERSION "0.4.5"
 
 enum {
 	ATIIXP_IDE_PIO_TIMING	= 0x40,
@@ -35,23 +35,15 @@ enum {
 
 static int atiixp_pre_reset(struct ata_port *ap)
 {
-	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
 	static const struct pci_bits atiixp_enable_bits[] = {
 		{ 0x48, 1, 0x01, 0x00 },
 		{ 0x48, 1, 0x08, 0x00 }
 	};
-	u8 udma;
+	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
 
 	if (!pci_test_config_bits(pdev, &atiixp_enable_bits[ap->port_no]))
 		return -ENOENT;
 
-	/* Hack from drivers/ide/pci. Really we want to know how to do the
-	   raw detection not play follow the bios mode guess */
-	pci_read_config_byte(pdev, ATIIXP_IDE_UDMA_MODE + ap->port_no, &udma);
-	if ((udma & 0x07) >= 0x04 || (udma & 0x70) >= 0x40)
-		ap->cbl = ATA_CBL_PATA80;
-	else
-		ap->cbl = ATA_CBL_PATA40;
 	return ata_std_prereset(ap);
 }
 
@@ -60,6 +52,19 @@ static void atiixp_error_handler(struct ata_port *ap)
 	ata_bmdma_drive_eh(ap, atiixp_pre_reset, ata_std_softreset, NULL,   ata_std_postreset);
 }
 
+static int atiixp_cable_detect(struct ata_port *ap)
+{
+	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+	u8 udma;
+
+	/* Hack from drivers/ide/pci. Really we want to know how to do the
+	   raw detection not play follow the bios mode guess */
+	pci_read_config_byte(pdev, ATIIXP_IDE_UDMA_MODE + ap->port_no, &udma);
+	if ((udma & 0x07) >= 0x04 || (udma & 0x70) >= 0x40)
+		return  ATA_CBL_PATA80;
+	return ATA_CBL_PATA40;
+}
+
 /**
  *	atiixp_set_pio_timing	-	set initial PIO mode data
  *	@ap: ATA interface
@@ -245,6 +250,7 @@ static struct ata_port_operations atiixp_port_ops = {
 	.thaw		= ata_bmdma_thaw,
 	.error_handler	= atiixp_error_handler,
 	.post_internal_cmd = ata_bmdma_post_internal_cmd,
+	.cable_detect	= atiixp_cable_detect,
 
 	.bmdma_setup 	= ata_bmdma_setup,
 	.bmdma_start 	= atiixp_bmdma_start,

drivers/ata/pata_cmd640.c

+/*
+ * pata_cmd640.c 	- CMD640 PCI PATA for new ATA layer
+ *			  (C) 2007 Red Hat Inc
+ *			  Alan Cox <alan@redhat.com>
+ *
+ * Based upon
+ *  linux/drivers/ide/pci/cmd640.c		Version 1.02  Sep 01, 1996
+ *
+ *  Copyright (C) 1995-1996  Linus Torvalds & authors (see driver)
+ *
+ *	This drives only the PCI version of the controller. If you have a
+ *	VLB one then we have enough docs to support it but you can write
+ *	your own code.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/blkdev.h>
+#include <linux/delay.h>
+#include <scsi/scsi_host.h>
+#include <linux/libata.h>
+
+#define DRV_NAME "pata_cmd640"
+#define DRV_VERSION "0.0.5"
+
+struct cmd640_reg {
+	int last;
+	u8 reg58[ATA_MAX_DEVICES];
+};
+
+enum {
+	CFR = 0x50,
+	CNTRL = 0x51,
+	CMDTIM = 0x52,
+	ARTIM0 = 0x53,
+	DRWTIM0 = 0x54,
+	ARTIM23 = 0x57,
+	DRWTIM23 = 0x58,
+	BRST = 0x59
+};
+
+/**
+ *	cmd640_set_piomode	-	set initial PIO mode data
+ *	@ap: ATA port
+ *	@adev: ATA device
+ *
+ *	Called to do the PIO mode setup.
+ */
+
+static void cmd640_set_piomode(struct ata_port *ap, struct ata_device *adev)
+{
+	struct cmd640_reg *timing = ap->private_data;
+	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+	struct ata_timing t;
+	const unsigned long T = 1000000 / 33;
+	const u8 setup_data[] = { 0x40, 0x40, 0x40, 0x80, 0x00 };
+	u8 reg;
+	int arttim = ARTIM0 + 2 * adev->devno;
+	struct ata_device *pair = ata_dev_pair(adev);
+
+	if (ata_timing_compute(adev, adev->pio_mode, &t, T, 0) < 0) {
+		printk(KERN_ERR DRV_NAME ": mode computation failed.\n");
+		return;
+	}
+
+	/* The second channel has shared timings and the setup timing is
+	   messy to switch to merge it for worst case */
+	if (ap->port_no && pair) {
+		struct ata_timing p;
+		ata_timing_compute(pair, pair->pio_mode, &p, T, 1);
+		ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP);
+	}
+
+	/* Make the timings fit */
+	if (t.recover > 16) {
+		t.active += t.recover - 16;
+		t.recover = 16;
+	}
+	if (t.active > 16)
+		t.active = 16;
+
+	/* Now convert the clocks into values we can actually stuff into
+	   the chip */
+
+	if (t.recover > 1)
+		t.recover--;	/* 640B only */
+	else
+		t.recover = 15;
+
+	if (t.setup > 4)
+		t.setup = 0xC0;
+	else
+		t.setup = setup_data[t.setup];
+
+	if (ap->port_no == 0) {
+		t.active &= 0x0F;	/* 0 = 16 */
+
+		/* Load setup timing */
+		pci_read_config_byte(pdev, arttim, &reg);
+		reg &= 0x3F;
+		reg |= t.setup;
+		pci_write_config_byte(pdev, arttim, reg);
+
+		/* Load active/recovery */
+		pci_write_config_byte(pdev, arttim + 1, (t.active << 4) | t.recover);
+	} else {
+		/* Save the shared timings for channel, they will be loaded
+		   by qc_issue_prot. Reloading the setup time is expensive 
+		   so we keep a merged one loaded */
+		pci_read_config_byte(pdev, ARTIM23, &reg);
+		reg &= 0x3F;
+		reg |= t.setup;
+		pci_write_config_byte(pdev, ARTIM23, reg);
+		timing->reg58[adev->devno] = (t.active << 4) | t.recover;
+	}
+}
+
+
+/**
+ *	cmd640_qc_issue_prot	-	command preparation hook
+ *	@qc: Command to be issued
+ *
+ *	Channel 1 has shared timings. We must reprogram the
+ *	clock each drive 2/3 switch we do.
+ */
+
+static unsigned int cmd640_qc_issue_prot(struct ata_queued_cmd *qc)
+{
+	struct ata_port *ap = qc->ap;
+	struct ata_device *adev = qc->dev;
+	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+	struct cmd640_reg *timing = ap->private_data;
+
+	if (ap->port_no != 0 && adev->devno != timing->last) {
+		pci_write_config_byte(pdev, DRWTIM23, timing->reg58[adev->devno]);
+		timing->last = adev->devno;
+	}
+	return ata_qc_issue_prot(qc);
+}
+
+/**
+ *	cmd640_port_start	-	port setup
+ *	@ap: ATA port being set up
+ *
+ *	The CMD640 needs to maintain private data structures so we
+ *	allocate space here.
+ */
+
+static int cmd640_port_start(struct ata_port *ap)
+{
+	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+	struct cmd640_reg *timing;
+
+	int ret = ata_port_start(ap);
+	if (ret < 0)
+		return ret;
+
+	timing = devm_kzalloc(&pdev->dev, sizeof(struct cmd640_reg), GFP_KERNEL);
+	if (timing == NULL)
+		return -ENOMEM;
+	timing->last = -1;	/* Force a load */
+	ap->private_data = timing;
+	return ret;
+}
+
+static struct scsi_host_template cmd640_sht = {
+	.module			= THIS_MODULE,
+	.name			= DRV_NAME,
+	.ioctl			= ata_scsi_ioctl,
+	.queuecommand		= ata_scsi_queuecmd,
+	.can_queue		= ATA_DEF_QUEUE,
+	.this_id		= ATA_SHT_THIS_ID,
+	.sg_tablesize		= LIBATA_MAX_PRD,
+	.cmd_per_lun		= ATA_SHT_CMD_PER_LUN,
+	.emulated		= ATA_SHT_EMULATED,
+	.use_clustering		= ATA_SHT_USE_CLUSTERING,
+	.proc_name		= DRV_NAME,
+	.dma_boundary		= ATA_DMA_BOUNDARY,
+	.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 struct ata_port_operations cmd640_port_ops = {
+	.port_disable	= ata_port_disable,
+	.set_piomode	= cmd640_set_piomode,
+	.mode_filter	= ata_pci_default_filter,
+	.tf_load	= ata_tf_load,
+	.tf_read	= ata_tf_read,
+	.check_status 	= ata_check_status,
+	.exec_command	= ata_exec_command,
+	.dev_select 	= ata_std_dev_select,
+
+	.freeze		= ata_bmdma_freeze,
+	.thaw		= ata_bmdma_thaw,
+	.error_handler	= ata_bmdma_error_handler,
+	.post_internal_cmd = ata_bmdma_post_internal_cmd,
+	.cable_detect	= ata_cable_40wire,
+
+	.bmdma_setup 	= ata_bmdma_setup,
+	.bmdma_start 	= ata_bmdma_start,
+	.bmdma_stop	= ata_bmdma_stop,
+	.bmdma_status 	= ata_bmdma_status,
+
+	.qc_prep 	= ata_qc_prep,
+	.qc_issue	= cmd640_qc_issue_prot,
+
+	/* In theory this is not needed once we kill the prefetcher */
+	.data_xfer	= ata_data_xfer_noirq,
+
+	.irq_handler	= ata_interrupt,
+	.irq_clear	= ata_bmdma_irq_clear,
+	.irq_on		= ata_irq_on,
+	.irq_ack	= ata_irq_ack,
+
+	.port_start	= cmd640_port_start,
+};
+
+static void cmd640_hardware_init(struct pci_dev *pdev)
+{
+	u8 r;
+	u8 ctrl;
+
+	/* CMD640 detected, commiserations */
+	pci_write_config_byte(pdev, 0x5B, 0x00);
+	/* Get version info */
+	pci_read_config_byte(pdev, CFR, &r);
+	/* PIO0 command cycles */
+	pci_write_config_byte(pdev, CMDTIM, 0);
+	/* 512 byte bursts (sector) */
+	pci_write_config_byte(pdev, BRST, 0x40);
+	/* 
+	 * A reporter a long time ago
+	 * Had problems with the data fifo
+	 * So don't run the risk
+	 * Of putting crap on the disk
+	 * For its better just to go slow
+	 */
+	/* Do channel 0 */
+	pci_read_config_byte(pdev, CNTRL, &ctrl);
+	pci_write_config_byte(pdev, CNTRL, ctrl | 0xC0);
+	/* Ditto for channel 1 */
+	pci_read_config_byte(pdev, ARTIM23, &ctrl);
+	ctrl |= 0x0C;
+	pci_write_config_byte(pdev, ARTIM23, ctrl);
+}
+
+static int cmd640_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
+{
+	static struct ata_port_info info = {
+		.sht = &cmd640_sht,
+		.flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
+		.pio_mask = 0x1f,
+		.port_ops = &cmd640_port_ops
+	};
+
+	static struct ata_port_info *port_info[2] = { &info, &info };
+
+	cmd640_hardware_init(pdev);
+	return ata_pci_init_one(pdev, port_info, 2);
+}
+
+static int cmd640_reinit_one(struct pci_dev *pdev)
+{
+	cmd640_hardware_init(pdev);
+#ifdef CONFIG_PM
+	return ata_pci_device_resume(pdev);
+#else
+	return 0;
+#endif
+}
+
+static const struct pci_device_id cmd640[] = {
+	{ PCI_VDEVICE(CMD, 0x640), 0 },
+	{ },
+};
+
+static struct pci_driver cmd640_pci_driver = {
+	.name 		= DRV_NAME,
+	.id_table	= cmd640,
+	.probe 		= cmd640_init_one,
+	.remove		= ata_pci_remove_one,
+#ifdef CONFIG_PM
+	.suspend	= ata_pci_device_suspend,
+#endif
+	.resume		= cmd640_reinit_one,
+};
+
+static int __init cmd640_init(void)
+{
+	return pci_register_driver(&cmd640_pci_driver);
+}
+
+static void __exit cmd640_exit(void)
+{
+	pci_unregister_driver(&cmd640_pci_driver);
+}
+
+MODULE_AUTHOR("Alan Cox");
+MODULE_DESCRIPTION("low-level driver for CMD640 PATA controllers");
+MODULE_LICENSE("GPL");
+MODULE_DEVICE_TABLE(pci, cmd640);
+MODULE_VERSION(DRV_VERSION);
+
+module_init(cmd640_init);
+module_exit(cmd640_exit);

drivers/ata/pata_cmd64x.c

@@ -75,13 +75,7 @@ enum {
 	DTPR1		= 0x7C
 };
 
-static int cmd64x_pre_reset(struct ata_port *ap)
-{
-	ap->cbl = ATA_CBL_PATA40;
-	return ata_std_prereset(ap);
-}
-
-static int cmd648_pre_reset(struct ata_port *ap)
+static int cmd648_cable_detect(struct ata_port *ap)
 {
 	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
 	u8 r;
@@ -89,21 +83,8 @@ static int cmd648_pre_reset(struct ata_port *ap)
 	/* Check cable detect bits */
 	pci_read_config_byte(pdev, BMIDECSR, &r);
 	if (r & (1 << ap->port_no))
-		ap->cbl = ATA_CBL_PATA80;
-	else
-		ap->cbl = ATA_CBL_PATA40;
-
-	return ata_std_prereset(ap);
-}
-
-static void cmd64x_error_handler(struct ata_port *ap)
-{
-	return ata_bmdma_drive_eh(ap, cmd64x_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
-}
-
-static void cmd648_error_handler(struct ata_port *ap)
-{
-	ata_bmdma_drive_eh(ap, cmd648_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
+		return ATA_CBL_PATA80;
+	return ATA_CBL_PATA40;
 }
 
 /**
@@ -304,8 +285,9 @@ static struct ata_port_operations cmd64x_port_ops = {
 
 	.freeze		= ata_bmdma_freeze,
 	.thaw		= ata_bmdma_thaw,
-	.error_handler	= cmd64x_error_handler,
+	.error_handler	= ata_bmdma_error_handler,
 	.post_internal_cmd = ata_bmdma_post_internal_cmd,
+	.cable_detect	= ata_cable_40wire,
 
 	.bmdma_setup 	= ata_bmdma_setup,
 	.bmdma_start 	= ata_bmdma_start,
@@ -338,8 +320,9 @@ static struct ata_port_operations cmd646r1_port_ops = {
 
 	.freeze		= ata_bmdma_freeze,
 	.thaw		= ata_bmdma_thaw,
-	.error_handler	= cmd64x_error_handler,
+	.error_handler	= ata_bmdma_error_handler,
 	.post_internal_cmd = ata_bmdma_post_internal_cmd,
+	.cable_detect	= ata_cable_40wire,
 
 	.bmdma_setup 	= ata_bmdma_setup,
 	.bmdma_start 	= ata_bmdma_start,
@@ -372,8 +355,9 @@ static struct ata_port_operations cmd648_port_ops = {
 
 	.freeze		= ata_bmdma_freeze,
 	.thaw		= ata_bmdma_thaw,
-	.error_handler	= cmd648_error_handler,
+	.error_handler	= ata_bmdma_error_handler,
 	.post_internal_cmd = ata_bmdma_post_internal_cmd,
+	.cable_detect	= cmd648_cable_detect,
 
 	.bmdma_setup 	= ata_bmdma_setup,
 	.bmdma_start 	= ata_bmdma_start,

drivers/ata/pata_cs5520.c

@@ -139,18 +139,6 @@ static void cs5520_set_piomode(struct ata_port *ap, struct ata_device *adev)
 	cs5520_set_timings(ap, adev, adev->pio_mode);
 }
 
-
-static int cs5520_pre_reset(struct ata_port *ap)
-{
-	ap->cbl = ATA_CBL_PATA40;
-	return ata_std_prereset(ap);
-}
-
-static void cs5520_error_handler(struct ata_port *ap)
-{
-	return ata_bmdma_drive_eh(ap, cs5520_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
-}
-
 static struct scsi_host_template cs5520_sht = {
 	.module			= THIS_MODULE,
 	.name			= DRV_NAME,
@@ -186,8 +174,9 @@ static struct ata_port_operations cs5520_port_ops = {
 
 	.freeze			= ata_bmdma_freeze,
 	.thaw			= ata_bmdma_thaw,
-	.error_handler		= cs5520_error_handler,
+	.error_handler		= ata_bmdma_error_handler,
 	.post_internal_cmd	= ata_bmdma_post_internal_cmd,
+	.cable_detect		= ata_cable_40wire,
 
 	.bmdma_setup		= ata_bmdma_setup,
 	.bmdma_start		= ata_bmdma_start,
@@ -197,7 +186,6 @@ static struct ata_port_operations cs5520_port_ops = {
 	.qc_issue		= ata_qc_issue_prot,
 	.data_xfer		= ata_data_xfer,
 
-	.irq_handler		= ata_interrupt,
 	.irq_clear		= ata_bmdma_irq_clear,
 	.irq_on			= ata_irq_on,
 	.irq_ack		= ata_irq_ack,
@@ -205,91 +193,104 @@ static struct ata_port_operations cs5520_port_ops = {
 	.port_start		= ata_port_start,
 };
 
-static int __devinit cs5520_init_one(struct pci_dev *dev, const struct pci_device_id *id)
+static int __devinit cs5520_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 {
+	struct ata_port_info pi = {
+		.flags		= ATA_FLAG_SLAVE_POSS,
+		.pio_mask	= 0x1f,
+		.port_ops	= &cs5520_port_ops,
+	};
+	const struct ata_port_info *ppi[2];
 	u8 pcicfg;
-	void __iomem *iomap[5];
-	static struct ata_probe_ent probe[2];
-	int ports = 0;
+	void *iomap[5];
+	struct ata_host *host;
+	struct ata_ioports *ioaddr;
+	int i, rc;
 
 	/* IDE port enable bits */
-	pci_read_config_byte(dev, 0x60, &pcicfg);
+	pci_read_config_byte(pdev, 0x60, &pcicfg);
 
 	/* Check if the ATA ports are enabled */
 	if ((pcicfg & 3) == 0)
 		return -ENODEV;
 
+	ppi[0] = ppi[1] = &ata_dummy_port_info;
+	if (pcicfg & 1)
+		ppi[0] = π
+	if (pcicfg & 2)
+		ppi[1] = π
+
 	if ((pcicfg & 0x40) == 0) {
-		printk(KERN_WARNING DRV_NAME ": DMA mode disabled. Enabling.\n");
-		pci_write_config_byte(dev, 0x60, pcicfg | 0x40);
+		dev_printk(KERN_WARNING, &pdev->dev,
+			   "DMA mode disabled. Enabling.\n");
+		pci_write_config_byte(pdev, 0x60, pcicfg | 0x40);
 	}
 
+	pi.mwdma_mask = id->driver_data;
+
+	host = ata_host_alloc_pinfo(&pdev->dev, ppi, 2);
+	if (!host)
+		return -ENOMEM;
+
 	/* Perform set up for DMA */
-	if (pci_enable_device_bars(dev, 1<<2)) {
+	if (pci_enable_device_bars(pdev, 1<<2)) {
 		printk(KERN_ERR DRV_NAME ": unable to configure BAR2.\n");
 		return -ENODEV;
 	}
-	pci_set_master(dev);
-	if (pci_set_dma_mask(dev, DMA_32BIT_MASK)) {
+
+	if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
 		printk(KERN_ERR DRV_NAME ": unable to configure DMA mask.\n");
 		return -ENODEV;
 	}
-	if (pci_set_consistent_dma_mask(dev, DMA_32BIT_MASK)) {
+	if (pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) {
 		printk(KERN_ERR DRV_NAME ": unable to configure consistent DMA mask.\n");
 		return -ENODEV;
 	}
 
-	/* Map IO ports */
-	iomap[0] = devm_ioport_map(&dev->dev, 0x1F0, 8);
-	iomap[1] = devm_ioport_map(&dev->dev, 0x3F6, 1);
-	iomap[2] = devm_ioport_map(&dev->dev, 0x170, 8);
-	iomap[3] = devm_ioport_map(&dev->dev, 0x376, 1);
-	iomap[4] = pcim_iomap(dev, 2, 0);
+	/* Map IO ports and initialize host accordingly */
+	iomap[0] = devm_ioport_map(&pdev->dev, 0x1F0, 8);
+	iomap[1] = devm_ioport_map(&pdev->dev, 0x3F6, 1);
+	iomap[2] = devm_ioport_map(&pdev->dev, 0x170, 8);
+	iomap[3] = devm_ioport_map(&pdev->dev, 0x376, 1);
+	iomap[4] = pcim_iomap(pdev, 2, 0);
 
 	if (!iomap[0] || !iomap[1] || !iomap[2] || !iomap[3] || !iomap[4])
 		return -ENOMEM;
 
-	/* We have to do our own plumbing as the PCI setup for this
-	   chipset is non-standard so we can't punt to the libata code */
-
-	INIT_LIST_HEAD(&probe[0].node);
-	probe[0].dev = pci_dev_to_dev(dev);
-	probe[0].port_ops = &cs5520_port_ops;
-	probe[0].sht = &cs5520_sht;
-	probe[0].pio_mask = 0x1F;
-	probe[0].mwdma_mask = id->driver_data;
-	probe[0].irq = 14;
-	probe[0].irq_flags = 0;
-	probe[0].port_flags = ATA_FLAG_SLAVE_POSS|ATA_FLAG_SRST;
-	probe[0].n_ports = 1;
-	probe[0].port[0].cmd_addr = iomap[0];
-	probe[0].port[0].ctl_addr = iomap[1];
-	probe[0].port[0].altstatus_addr = iomap[1];
-	probe[0].port[0].bmdma_addr = iomap[4];
-
-	/* The secondary lurks at different addresses but is otherwise
-	   the same beastie */
-
-	probe[1] = probe[0];
-	INIT_LIST_HEAD(&probe[1].node);
-	probe[1].irq = 15;
-	probe[1].port[0].cmd_addr = iomap[2];
-	probe[1].port[0].ctl_addr = iomap[3];
-	probe[1].port[0].altstatus_addr = iomap[3];
-	probe[1].port[0].bmdma_addr = iomap[4] + 8;
-
-	/* Let libata fill in the port details */
-	ata_std_ports(&probe[0].port[0]);
-	ata_std_ports(&probe[1].port[0]);
-
-	/* Now add the ports that are active */
-	if (pcicfg & 1)
-		ports += ata_device_add(&probe[0]);
-	if (pcicfg & 2)
-		ports += ata_device_add(&probe[1]);
-	if (ports)
-		return 0;
-	return -ENODEV;
+	ioaddr = &host->ports[0]->ioaddr;
+	ioaddr->cmd_addr = iomap[0];
+	ioaddr->ctl_addr = iomap[1];
+	ioaddr->altstatus_addr = iomap[1];
+	ioaddr->bmdma_addr = iomap[4];
+	ata_std_ports(ioaddr);
+
+	ioaddr = &host->ports[1]->ioaddr;
+	ioaddr->cmd_addr = iomap[2];
+	ioaddr->ctl_addr = iomap[3];
+	ioaddr->altstatus_addr = iomap[3];
+	ioaddr->bmdma_addr = iomap[4] + 8;
+	ata_std_ports(ioaddr);
+
+	/* activate the host */
+	pci_set_master(pdev);
+	rc = ata_host_start(host);
+	if (rc)
+		return rc;
+
+	for (i = 0; i < 2; i++) {
+		static const int irq[] = { 14, 15 };
+		struct ata_port *ap = host->ports[0];
+
+		if (ata_port_is_dummy(ap))
+			continue;
+
+		rc = devm_request_irq(&pdev->dev, irq[ap->port_no],
+				      ata_interrupt, 0, DRV_NAME, host);
+		if (rc)
+			return rc;
+	}
+
+	return ata_host_register(host, &cs5520_sht);
 }
 
 /**

drivers/ata/pata_cs5530.c

@@ -160,18 +160,6 @@ static unsigned int cs5530_qc_issue_prot(struct ata_queued_cmd *qc)
 	return ata_qc_issue_prot(qc);
 }
 
-static int cs5530_pre_reset(struct ata_port *ap)
-{
-	ap->cbl = ATA_CBL_PATA40;
-	return ata_std_prereset(ap);
-}
-
-static void cs5530_error_handler(struct ata_port *ap)
-{
-	return ata_bmdma_drive_eh(ap, cs5530_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
-}
-
-
 static struct scsi_host_template cs5530_sht = {
 	.module			= THIS_MODULE,
 	.name			= DRV_NAME,
@@ -213,8 +201,9 @@ static struct ata_port_operations cs5530_port_ops = {
 
 	.freeze		= ata_bmdma_freeze,
 	.thaw		= ata_bmdma_thaw,
-	.error_handler	= cs5530_error_handler,
+	.error_handler	= ata_bmdma_error_handler,
 	.post_internal_cmd = ata_bmdma_post_internal_cmd,
+	.cable_detect	= ata_cable_40wire,
 
 	.qc_prep 	= ata_qc_prep,
 	.qc_issue	= cs5530_qc_issue_prot,

drivers/ata/pata_cs5535.c

@@ -70,36 +70,23 @@
 #define CS5535_BAD_PIO(timings) ( (timings&~0x80000000UL)==0x00009172 )
 
 /**
- *	cs5535_pre_reset	-	detect cable type
+ *	cs5535_cable_detect	-	detect cable type
  *	@ap: Port to detect on
  *
  *	Perform cable detection for ATA66 capable cable. Return a libata
  *	cable type.
  */
 
-static int cs5535_pre_reset(struct ata_port *ap)
+static int cs5535_cable_detect(struct ata_port *ap)
 {
 	u8 cable;
 	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
 
 	pci_read_config_byte(pdev, CS5535_CABLE_DETECT, &cable);
 	if (cable & 1)
-		ap->cbl = ATA_CBL_PATA80;
+		return ATA_CBL_PATA80;
 	else
-		ap->cbl = ATA_CBL_PATA40;
-	return ata_std_prereset(ap);
-}
-
-/**
- *	cs5535_error_handler		-	reset/probe
- *	@ap: Port to reset
- *
- *	Reset and configure a port
- */
-
-static void cs5535_error_handler(struct ata_port *ap)
-{
-	ata_bmdma_drive_eh(ap, cs5535_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
+		return ATA_CBL_PATA40;
 }
 
 /**
@@ -205,8 +192,9 @@ static struct ata_port_operations cs5535_port_ops = {
 
 	.freeze		= ata_bmdma_freeze,
 	.thaw		= ata_bmdma_thaw,
-	.error_handler	= cs5535_error_handler,
+	.error_handler	= ata_bmdma_error_handler,
 	.post_internal_cmd = ata_bmdma_post_internal_cmd,
+	.cable_detect	= cs5535_cable_detect,
 
 	.bmdma_setup 	= ata_bmdma_setup,
 	.bmdma_start 	= ata_bmdma_start,

drivers/ata/pata_cypress.c

@@ -41,17 +41,6 @@ enum {
 	CY82_INDEX_TIMEOUT	= 0x32
 };
 
-static int cy82c693_pre_reset(struct ata_port *ap)
-{
-	ap->cbl = ATA_CBL_PATA40;
-	return ata_std_prereset(ap);
-}
-
-static void cy82c693_error_handler(struct ata_port *ap)
-{
-	ata_bmdma_drive_eh(ap, cy82c693_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
-}
-
 /**
  *	cy82c693_set_piomode	-	set initial PIO mode data
  *	@ap: ATA interface
@@ -156,8 +145,9 @@ static struct ata_port_operations cy82c693_port_ops = {
 
 	.freeze		= ata_bmdma_freeze,
 	.thaw		= ata_bmdma_thaw,
-	.error_handler	= cy82c693_error_handler,
+	.error_handler	= ata_bmdma_error_handler,
 	.post_internal_cmd = ata_bmdma_post_internal_cmd,
+	.cable_detect	= ata_cable_40wire,
 
 	.bmdma_setup 	= ata_bmdma_setup,
 	.bmdma_start 	= ata_bmdma_start,

drivers/ata/pata_efar.c

@@ -22,10 +22,10 @@
 #include <linux/ata.h>
 
 #define DRV_NAME	"pata_efar"
-#define DRV_VERSION	"0.4.3"
+#define DRV_VERSION	"0.4.4"
 
 /**
- *	efar_pre_reset	-	check for 40/80 pin
+ *	efar_pre_reset	-	Enable bits
  *	@ap: Port
  *
  *	Perform cable detection for the EFAR ATA interface. This is
@@ -38,18 +38,11 @@ static int efar_pre_reset(struct ata_port *ap)
 		{ 0x41U, 1U, 0x80UL, 0x80UL },	/* port 0 */
 		{ 0x43U, 1U, 0x80UL, 0x80UL },	/* port 1 */
 	};
-
 	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
-	u8 tmp;
 
 	if (!pci_test_config_bits(pdev, &efar_enable_bits[ap->port_no]))
 		return -ENOENT;
 
-	pci_read_config_byte(pdev, 0x47, &tmp);
-	if (tmp & (2 >> ap->port_no))
-		ap->cbl = ATA_CBL_PATA40;
-	else
-		ap->cbl = ATA_CBL_PATA80;
 	return ata_std_prereset(ap);
 }
 
@@ -66,6 +59,25 @@ static void efar_error_handler(struct ata_port *ap)
 	ata_bmdma_drive_eh(ap, efar_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
 }
 
+/**
+ *	efar_cable_detect	-	check for 40/80 pin
+ *	@ap: Port
+ *
+ *	Perform cable detection for the EFAR ATA interface. This is
+ *	different to the PIIX arrangement
+ */
+
+static int efar_cable_detect(struct ata_port *ap)
+{
+	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+	u8 tmp;
+
+	pci_read_config_byte(pdev, 0x47, &tmp);
+	if (tmp & (2 >> ap->port_no))
+		return ATA_CBL_PATA40;
+	return ATA_CBL_PATA80;
+}
+
 /**
  *	efar_set_piomode - Initialize host controller PATA PIO timings
  *	@ap: Port whose timings we are configuring
@@ -256,6 +268,7 @@ static const struct ata_port_operations efar_ops = {
 	.thaw			= ata_bmdma_thaw,
 	.error_handler		= efar_error_handler,
 	.post_internal_cmd	= ata_bmdma_post_internal_cmd,
+	.cable_detect		= efar_cable_detect,
 
 	.bmdma_setup		= ata_bmdma_setup,
 	.bmdma_start		= ata_bmdma_start,

drivers/ata/pata_hpt366.c

@@ -27,7 +27,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME	"pata_hpt366"
-#define DRV_VERSION	"0.6.0"
+#define DRV_VERSION	"0.6.1"
 
 struct hpt_clock {
 	u8	xfer_speed;
@@ -169,13 +169,12 @@ static int hpt_dma_blacklisted(const struct ata_device *dev, char *modestr, cons
 
 /**
  *	hpt366_filter	-	mode selection filter
- *	@ap: ATA interface
  *	@adev: ATA device
  *
  *	Block UDMA on devices that cause trouble with this controller.
  */
 
-static unsigned long hpt366_filter(const struct ata_port *ap, struct ata_device *adev, unsigned long mask)
+static unsigned long hpt366_filter(struct ata_device *adev, unsigned long mask)
 {
 	if (adev->class == ATA_DEV_ATA) {
 		if (hpt_dma_blacklisted(adev, "UDMA",  bad_ata33))
@@ -185,7 +184,7 @@ static unsigned long hpt366_filter(const struct ata_port *ap, struct ata_device
 		if (hpt_dma_blacklisted(adev, "UDMA4", bad_ata66_4))
 			mask &= ~(0x0F << ATA_SHIFT_UDMA);
 	}
-	return ata_pci_default_filter(ap, adev, mask);
+	return ata_pci_default_filter(adev, mask);
 }
 
 /**
@@ -210,24 +209,28 @@ static u32 hpt36x_find_mode(struct ata_port *ap, int speed)
 	return 0xffffffffU;	/* silence compiler warning */
 }
 
+static int hpt36x_cable_detect(struct ata_port *ap)
+{
+	u8 ata66;
+	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
+
+	pci_read_config_byte(pdev, 0x5A, &ata66);
+	if (ata66 & (1 << ap->port_no))
+		return ATA_CBL_PATA40;
+	return ATA_CBL_PATA80;
+}
+
 static int hpt36x_pre_reset(struct ata_port *ap)
 {
 	static const struct pci_bits hpt36x_enable_bits[] = {
 		{ 0x50, 1, 0x04, 0x04 },
 		{ 0x54, 1, 0x04, 0x04 }
 	};
-
-	u8 ata66;
 	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
 
 	if (!pci_test_config_bits(pdev, &hpt36x_enable_bits[ap->port_no]))
 		return -ENOENT;
 
-	pci_read_config_byte(pdev, 0x5A, &ata66);
-	if (ata66 & (1 << ap->port_no))
-		ap->cbl = ATA_CBL_PATA40;
-	else
-		ap->cbl = ATA_CBL_PATA80;
 	return ata_std_prereset(ap);
 }
 
@@ -354,6 +357,7 @@ static struct ata_port_operations hpt366_port_ops = {
 	.thaw		= ata_bmdma_thaw,
 	.error_handler	= hpt36x_error_handler,
 	.post_internal_cmd = ata_bmdma_post_internal_cmd,
+	.cable_detect	= hpt36x_cable_detect,
 
 	.bmdma_setup 	= ata_bmdma_setup,
 	.bmdma_start 	= ata_bmdma_start,

drivers/ata/pata_hpt3x2n.c

@@ -8,10 +8,10 @@
  * Copyright (C) 1999-2003		Andre Hedrick <andre@linux-ide.org>
  * Portions Copyright (C) 2001	        Sun Microsystems, Inc.
  * Portions Copyright (C) 2003		Red Hat Inc
+ * Portions Copyright (C) 2005-2006	MontaVista Software, Inc.
  *
  *
  * TODO
- *	371N
  *	Work out best PLL policy
  */
 
@@ -25,7 +25,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME	"pata_hpt3x2n"
-#define DRV_VERSION	"0.3.2"
+#define DRV_VERSION	"0.3.3"
 
 enum {
 	HPT_PCI_FAST	=	(1 << 31),
@@ -115,14 +115,13 @@ static u32 hpt3x2n_find_mode(struct ata_port *ap, int speed)
 }
 
 /**
- *	hpt3x2n_pre_reset	-	reset the hpt3x2n bus
- *	@ap: ATA port to reset
+ *	hpt3x2n_cable_detect	-	Detect the cable type
+ *	@ap: ATA port to detect on
  *
- *	Perform the initial reset handling for the 3x2n series controllers.
- *	Reset the hardware and state machine, obtain the cable type.
+ *	Return the cable type attached to this port
  */
 
-static int hpt3xn_pre_reset(struct ata_port *ap)
+static int hpt3x2n_cable_detect(struct ata_port *ap)
 {
 	u8 scr2, ata66;
 	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
@@ -135,15 +134,26 @@ static int hpt3xn_pre_reset(struct ata_port *ap)
 	pci_write_config_byte(pdev, 0x5B, scr2);
 
 	if (ata66 & (1 << ap->port_no))
-		ap->cbl = ATA_CBL_PATA40;
+		return ATA_CBL_PATA40;
 	else
-		ap->cbl = ATA_CBL_PATA80;
+		return ATA_CBL_PATA80;
+}
+
+/**
+ *	hpt3x2n_pre_reset	-	reset the hpt3x2n bus
+ *	@ap: ATA port to reset
+ *	@deadline: deadline jiffies for the operation
+ *
+ *	Perform the initial reset handling for the 3x2n series controllers.
+ *	Reset the hardware and state machine,
+ */
 
+static int hpt3xn_pre_reset(struct ata_port *ap)
+{
+	struct pci_dev *pdev = to_pci_dev(ap->host->dev);
 	/* Reset the state machine */
-	pci_write_config_byte(pdev, 0x50, 0x37);
-	pci_write_config_byte(pdev, 0x54, 0x37);
+	pci_write_config_byte(pdev, 0x50 + 4 * ap->port_no, 0x37);
 	udelay(100);
-
 	return ata_std_prereset(ap);
 }
 
@@ -364,6 +374,7 @@ static struct ata_port_operations hpt3x2n_port_ops = {
 	.thaw		= ata_bmdma_thaw,
 	.error_handler	= hpt3x2n_error_handler,
 	.post_internal_cmd = ata_bmdma_post_internal_cmd,
+	.cable_detect	= hpt3x2n_cable_detect,
 
 	.bmdma_setup 	= ata_bmdma_setup,
 	.bmdma_start 	= ata_bmdma_start,
@@ -422,8 +433,9 @@ static int hpt3x2n_pci_clock(struct pci_dev *pdev)
 {
 	unsigned long freq;
 	u32 fcnt;
+	unsigned long iobase = pci_resource_start(pdev, 4);
 
-	pci_read_config_dword(pdev, 0x70/*CHECKME*/, &fcnt);
+	fcnt = inl(iobase + 0x90);	/* Not PCI readable for some chips */
 	if ((fcnt >> 12) != 0xABCDE) {
 		printk(KERN_WARNING "hpt3xn: BIOS clock data not set.\n");
 		return 33;	/* Not BIOS set */
@@ -492,6 +504,7 @@ static int hpt3x2n_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 	unsigned int pci_mhz;
 	unsigned int f_low, f_high;
 	int adjust;
+	unsigned long iobase = pci_resource_start(dev, 4);
 
 	pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev);
 	class_rev &= 0xFF;
@@ -501,6 +514,11 @@ static int hpt3x2n_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 			if (class_rev < 6)
 				return -ENODEV;
 			break;
+		case PCI_DEVICE_ID_TTI_HPT371:
+			if (class_rev < 2)
+				return -ENODEV;
+			/* 371N if rev > 1 */
+			break;
 		case PCI_DEVICE_ID_TTI_HPT372:
 			/* 372N if rev >= 1*/
 			if (class_rev == 0)
@@ -528,6 +546,19 @@ static int hpt3x2n_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 	irqmask &= ~0x10;
 	pci_write_config_byte(dev, 0x5a, irqmask);
 
+	/*
+	 * HPT371 chips physically have only one channel, the secondary one,
+	 * but the primary channel registers do exist!  Go figure...
+	 * So,  we manually disable the non-existing channel here
+	 * (if the BIOS hasn't done this already).
+	 */
+	if (dev->device == PCI_DEVICE_ID_TTI_HPT371) {
+		u8 mcr1;
+		pci_read_config_byte(dev, 0x50, &mcr1);
+		mcr1 &= ~0x04;
+		pci_write_config_byte(dev, 0x50, mcr1);
+	}
+
 	/* Tune the PLL. HPT recommend using 75 for SATA, 66 for UDMA133 or
 	   50 for UDMA100. Right now we always use 66 */
 
@@ -546,14 +577,24 @@ static int hpt3x2n_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 			break;
 		pci_write_config_dword(dev, 0x5C, (f_high << 16) | f_low);
 	}
-	if (adjust == 8)
-		printk(KERN_WARNING "hpt3xn: DPLL did not stabilize.\n");
+	if (adjust == 8) {
+		printk(KERN_WARNING "hpt3x2n: DPLL did not stabilize.\n");
+		return -ENODEV;
+	}
 
 	/* Set our private data up. We only need a few flags so we use
 	   it directly */
 	port->private_data = NULL;
-	if (pci_mhz > 60)
+	if (pci_mhz > 60) {
 		port->private_data = (void *)PCI66;
+		/*
+		 * On  HPT371N, if ATA clock is 66 MHz we must set bit 2 in
+		 * the MISC. register to stretch the UltraDMA Tss timing.
+		 * NOTE: This register is only writeable via I/O space.
+		 */
+		if (dev->device == PCI_DEVICE_ID_TTI_HPT371)
+			outb(inb(iobase + 0x9c) | 0x04, iobase + 0x9c);
+	}
 
 	/* Now kick off ATA set up */
 	port_info[0] = port_info[1] = port;
@@ -562,6 +603,7 @@ static int hpt3x2n_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 
 static const struct pci_device_id hpt3x2n[] = {
 	{ PCI_VDEVICE(TTI, PCI_DEVICE_ID_TTI_HPT366), },
+	{ PCI_VDEVICE(TTI, PCI_DEVICE_ID_TTI_HPT371), },
 	{ PCI_VDEVICE(TTI, PCI_DEVICE_ID_TTI_HPT372), },
 	{ PCI_VDEVICE(TTI, PCI_DEVICE_ID_TTI_HPT302), },
 	{ PCI_VDEVICE(TTI, PCI_DEVICE_ID_TTI_HPT372N), },

drivers/ata/pata_hpt3x3.c

@@ -25,25 +25,6 @@
 #define DRV_NAME	"pata_hpt3x3"
 #define DRV_VERSION	"0.4.2"
 
-static int hpt3x3_probe_init(struct ata_port *ap)
-{
-	ap->cbl = ATA_CBL_PATA40;
-	return ata_std_prereset(ap);
-}
-
-/**
- *	hpt3x3_probe_reset	-	reset the hpt3x3 bus
- *	@ap: ATA port to reset
- *
- *	Perform the housekeeping when doing an ATA bus reeset. We just
- *	need to force the cable type.
- */
-
-static void hpt3x3_error_handler(struct ata_port *ap)
-{
-	return ata_bmdma_drive_eh(ap, hpt3x3_probe_init, ata_std_softreset, NULL, ata_std_postreset);
-}
-
 /**
  *	hpt3x3_set_piomode		-	PIO setup
  *	@ap: ATA interface
@@ -139,8 +120,9 @@ static struct ata_port_operations hpt3x3_port_ops = {
 
 	.freeze		= ata_bmdma_freeze,
 	.thaw		= ata_bmdma_thaw,
-	.error_handler	= hpt3x3_error_handler,
+	.error_handler	= ata_bmdma_error_handler,
 	.post_internal_cmd = ata_bmdma_post_internal_cmd,
+	.cable_detect	= ata_cable_40wire,
 
 	.bmdma_setup 	= ata_bmdma_setup,
 	.bmdma_start 	= ata_bmdma_start,

drivers/ata/pata_marvell.c

@@ -20,7 +20,7 @@
 #include <linux/ata.h>
 
 #define DRV_NAME	"pata_marvell"
-#define DRV_VERSION	"0.1.1"
+#define DRV_VERSION	"0.1.4"
 
 /**
  *	marvell_pre_reset	-	check for 40/80 pin
@@ -52,22 +52,23 @@ static int marvell_pre_reset(struct ata_port *ap)
 	if ((pdev->device == 0x6145) && (ap->port_no == 0) &&
 	    (!(devices & 0x10)))	/* PATA enable ? */
 		return -ENOENT;
+	return ata_std_prereset(ap);
+}
 
+static int marvell_cable_detect(struct ata_port *ap)
+{
 	/* Cable type */
 	switch(ap->port_no)
 	{
 	case 0:
 		if (ioread8(ap->ioaddr.bmdma_addr + 1) & 1)
-			ap->cbl = ATA_CBL_PATA40;
-		else
-			ap->cbl = ATA_CBL_PATA80;
-		break;
-
+			return ATA_CBL_PATA40;
+		return ATA_CBL_PATA80;
 	case 1: /* Legacy SATA port */
-		ap->cbl = ATA_CBL_SATA;
-		break;
+		return ATA_CBL_SATA;
 	}
-	return ata_std_prereset(ap);
+	BUG();
+	return 0;	/* Our BUG macro needs the right markup */
 }
 
 /**
@@ -123,6 +124,7 @@ static const struct ata_port_operations marvell_ops = {
 	.thaw			= ata_bmdma_thaw,
 	.error_handler		= marvell_error_handler,
 	.post_internal_cmd	= ata_bmdma_post_internal_cmd,
+	.cable_detect		= marvell_cable_detect,
 
 	/* BMDMA handling is PCI ATA format, use helpers */
 	.bmdma_setup		= ata_bmdma_setup,

drivers/ata/pata_sc1200.c

@@ -216,6 +216,7 @@ static struct ata_port_operations sc1200_port_ops = {
 	.thaw		= ata_bmdma_thaw,
 	.error_handler	= ata_bmdma_error_handler,
 	.post_internal_cmd = ata_bmdma_post_internal_cmd,
+	.cable_detect	= ata_cable_40wire,
 
 	.bmdma_setup 	= ata_bmdma_setup,
 	.bmdma_start 	= ata_bmdma_start,