X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fata%2Fsata_sil.c;h=c63dbabc0cd9637d73478a0044981660870c1498;hb=438ac6d5e3f8106a6bd1a5682c508d660294a85d;hp=907faa87239b20d59515b4bc5a3faf904ed98a55;hpb=c6fd280766a050b13360d7c2d59a3d6bd3a27d9a;p=powerpc.git

diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c
index 907faa8723..917b7ea4ef 100644
--- a/drivers/ata/sata_sil.c
+++ b/drivers/ata/sata_sil.c
@@ -46,9 +46,11 @@
 #include <linux/libata.h>
 
 #define DRV_NAME	"sata_sil"
-#define DRV_VERSION	"2.0"
+#define DRV_VERSION	"2.1"
 
 enum {
+	SIL_MMIO_BAR		= 5,
+
 	/*
 	 * host flags
 	 */
@@ -56,7 +58,7 @@ enum {
 	SIL_FLAG_RERR_ON_DMA_ACT = (1 << 29),
 	SIL_FLAG_MOD15WRITE	= (1 << 30),
 
-	SIL_DFL_HOST_FLAGS	= ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
+	SIL_DFL_PORT_FLAGS	= ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
 				  ATA_FLAG_MMIO | ATA_FLAG_HRST_TO_RESUME,
 
 	/*
@@ -109,25 +111,27 @@ enum {
 };
 
 static int sil_init_one (struct pci_dev *pdev, const struct pci_device_id *ent);
+#ifdef CONFIG_PM
 static int sil_pci_device_resume(struct pci_dev *pdev);
+#endif
 static void sil_dev_config(struct ata_port *ap, struct ata_device *dev);
 static u32 sil_scr_read (struct ata_port *ap, unsigned int sc_reg);
 static void sil_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val);
 static void sil_post_set_mode (struct ata_port *ap);
-static irqreturn_t sil_interrupt(int irq, void *dev_instance,
-				 struct pt_regs *regs);
+static irqreturn_t sil_interrupt(int irq, void *dev_instance);
 static void sil_freeze(struct ata_port *ap);
 static void sil_thaw(struct ata_port *ap);
 
 
 static const struct pci_device_id sil_pci_tbl[] = {
-	{ 0x1095, 0x3112, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3112 },
-	{ 0x1095, 0x0240, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3112 },
-	{ 0x1095, 0x3512, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3512 },
-	{ 0x1095, 0x3114, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3114 },
-	{ 0x1002, 0x436e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3112 },
-	{ 0x1002, 0x4379, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3112_no_sata_irq },
-	{ 0x1002, 0x437a, PCI_ANY_ID, PCI_ANY_ID, 0, 0, sil_3112_no_sata_irq },
+	{ PCI_VDEVICE(CMD, 0x3112), sil_3112 },
+	{ PCI_VDEVICE(CMD, 0x0240), sil_3112 },
+	{ PCI_VDEVICE(CMD, 0x3512), sil_3512 },
+	{ PCI_VDEVICE(CMD, 0x3114), sil_3114 },
+	{ PCI_VDEVICE(ATI, 0x436e), sil_3112 },
+	{ PCI_VDEVICE(ATI, 0x4379), sil_3112_no_sata_irq },
+	{ PCI_VDEVICE(ATI, 0x437a), sil_3112_no_sata_irq },
+
 	{ }	/* terminate list */
 };
 
@@ -157,8 +161,10 @@ static struct pci_driver sil_pci_driver = {
 	.id_table		= sil_pci_tbl,
 	.probe			= sil_init_one,
 	.remove			= ata_pci_remove_one,
+#ifdef CONFIG_PM
 	.suspend		= ata_pci_device_suspend,
 	.resume			= sil_pci_device_resume,
+#endif
 };
 
 static struct scsi_host_template sil_sht = {
@@ -177,8 +183,10 @@ static struct scsi_host_template sil_sht = {
 	.slave_configure	= ata_scsi_slave_config,
 	.slave_destroy		= ata_scsi_slave_destroy,
 	.bios_param		= ata_std_bios_param,
+#ifdef CONFIG_PM
 	.suspend		= ata_scsi_device_suspend,
 	.resume			= ata_scsi_device_resume,
+#endif
 };
 
 static const struct ata_port_operations sil_ops = {
@@ -196,25 +204,25 @@ static const struct ata_port_operations sil_ops = {
 	.bmdma_status		= ata_bmdma_status,
 	.qc_prep		= ata_qc_prep,
 	.qc_issue		= ata_qc_issue_prot,
-	.data_xfer		= ata_mmio_data_xfer,
+	.data_xfer		= ata_data_xfer,
 	.freeze			= sil_freeze,
 	.thaw			= sil_thaw,
 	.error_handler		= ata_bmdma_error_handler,
 	.post_internal_cmd	= ata_bmdma_post_internal_cmd,
 	.irq_handler		= sil_interrupt,
 	.irq_clear		= ata_bmdma_irq_clear,
+	.irq_on			= ata_irq_on,
+	.irq_ack		= ata_irq_ack,
 	.scr_read		= sil_scr_read,
 	.scr_write		= sil_scr_write,
 	.port_start		= ata_port_start,
-	.port_stop		= ata_port_stop,
-	.host_stop		= ata_pci_host_stop,
 };
 
 static const struct ata_port_info sil_port_info[] = {
 	/* sil_3112 */
 	{
 		.sht		= &sil_sht,
-		.host_flags	= SIL_DFL_HOST_FLAGS | SIL_FLAG_MOD15WRITE,
+		.flags		= SIL_DFL_PORT_FLAGS | SIL_FLAG_MOD15WRITE,
 		.pio_mask	= 0x1f,			/* pio0-4 */
 		.mwdma_mask	= 0x07,			/* mwdma0-2 */
 		.udma_mask	= 0x3f,			/* udma0-5 */
@@ -223,7 +231,7 @@ static const struct ata_port_info sil_port_info[] = {
 	/* sil_3112_no_sata_irq */
 	{
 		.sht		= &sil_sht,
-		.host_flags	= SIL_DFL_HOST_FLAGS | SIL_FLAG_MOD15WRITE |
+		.flags		= SIL_DFL_PORT_FLAGS | SIL_FLAG_MOD15WRITE |
 				  SIL_FLAG_NO_SATA_IRQ,
 		.pio_mask	= 0x1f,			/* pio0-4 */
 		.mwdma_mask	= 0x07,			/* mwdma0-2 */
@@ -233,7 +241,7 @@ static const struct ata_port_info sil_port_info[] = {
 	/* sil_3512 */
 	{
 		.sht		= &sil_sht,
-		.host_flags	= SIL_DFL_HOST_FLAGS | SIL_FLAG_RERR_ON_DMA_ACT,
+		.flags		= SIL_DFL_PORT_FLAGS | SIL_FLAG_RERR_ON_DMA_ACT,
 		.pio_mask	= 0x1f,			/* pio0-4 */
 		.mwdma_mask	= 0x07,			/* mwdma0-2 */
 		.udma_mask	= 0x3f,			/* udma0-5 */
@@ -242,7 +250,7 @@ static const struct ata_port_info sil_port_info[] = {
 	/* sil_3114 */
 	{
 		.sht		= &sil_sht,
-		.host_flags	= SIL_DFL_HOST_FLAGS | SIL_FLAG_RERR_ON_DMA_ACT,
+		.flags		= SIL_DFL_PORT_FLAGS | SIL_FLAG_RERR_ON_DMA_ACT,
 		.pio_mask	= 0x1f,			/* pio0-4 */
 		.mwdma_mask	= 0x07,			/* mwdma0-2 */
 		.udma_mask	= 0x3f,			/* udma0-5 */
@@ -291,10 +299,10 @@ static unsigned char sil_get_device_cache_line(struct pci_dev *pdev)
 
 static void sil_post_set_mode (struct ata_port *ap)
 {
-	struct ata_host_set *host_set = ap->host_set;
+	struct ata_host *host = ap->host;
 	struct ata_device *dev;
-	void __iomem *addr =
-		host_set->mmio_base + sil_port[ap->port_no].xfer_mode;
+	void __iomem *mmio_base = host->iomap[SIL_MMIO_BAR];
+	void __iomem *addr = mmio_base + sil_port[ap->port_no].xfer_mode;
 	u32 tmp, dev_mode[2];
 	unsigned int i;
 
@@ -317,9 +325,9 @@ static void sil_post_set_mode (struct ata_port *ap)
 	readl(addr);	/* flush */
 }
 
-static inline unsigned long sil_scr_addr(struct ata_port *ap, unsigned int sc_reg)
+static inline void __iomem *sil_scr_addr(struct ata_port *ap, unsigned int sc_reg)
 {
-	unsigned long offset = ap->ioaddr.scr_addr;
+	void __iomem *offset = ap->ioaddr.scr_addr;
 
 	switch (sc_reg) {
 	case SCR_STATUS:
@@ -333,12 +341,12 @@ static inline unsigned long sil_scr_addr(struct ata_port *ap, unsigned int sc_re
 		break;
 	}
 
-	return 0;
+	return NULL;
 }
 
 static u32 sil_scr_read (struct ata_port *ap, unsigned int sc_reg)
 {
-	void __iomem *mmio = (void __iomem *) sil_scr_addr(ap, sc_reg);
+	void __iomem *mmio = sil_scr_addr(ap, sc_reg);
 	if (mmio)
 		return readl(mmio);
 	return 0xffffffffU;
@@ -346,13 +354,14 @@ static u32 sil_scr_read (struct ata_port *ap, unsigned int sc_reg)
 
 static void sil_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val)
 {
-	void *mmio = (void __iomem *) sil_scr_addr(ap, sc_reg);
+	void __iomem *mmio = sil_scr_addr(ap, sc_reg);
 	if (mmio)
 		writel(val, mmio);
 }
 
 static void sil_host_intr(struct ata_port *ap, u32 bmdma2)
 {
+	struct ata_eh_info *ehi = &ap->eh_info;
 	struct ata_queued_cmd *qc = ata_qc_from_tag(ap, ap->active_tag);
 	u8 status;
 
@@ -379,9 +388,15 @@ static void sil_host_intr(struct ata_port *ap, u32 bmdma2)
 		goto freeze;
 	}
 
-	if (unlikely(!qc || qc->tf.ctl & ATA_NIEN))
+	if (unlikely(!qc))
 		goto freeze;
 
+	if (unlikely(qc->tf.flags & ATA_TFLAG_POLLING)) {
+		/* this sometimes happens, just clear IRQ */
+		ata_chk_status(ap);
+		return;
+	}
+
 	/* Check whether we are expecting interrupt in this state */
 	switch (ap->hsm_task_state) {
 	case HSM_ST_FIRST:
@@ -425,6 +440,10 @@ static void sil_host_intr(struct ata_port *ap, u32 bmdma2)
 	/* kick HSM in the ass */
 	ata_hsm_move(ap, qc, status, 0);
 
+	if (unlikely(qc->err_mask) && (qc->tf.protocol == ATA_PROT_DMA ||
+				       qc->tf.protocol == ATA_PROT_ATAPI_DMA))
+		ata_ehi_push_desc(ehi, "BMDMA2 stat 0x%x", bmdma2);
+
 	return;
 
  err_hsm:
@@ -433,18 +452,17 @@ static void sil_host_intr(struct ata_port *ap, u32 bmdma2)
 	ata_port_freeze(ap);
 }
 
-static irqreturn_t sil_interrupt(int irq, void *dev_instance,
-				 struct pt_regs *regs)
+static irqreturn_t sil_interrupt(int irq, void *dev_instance)
 {
-	struct ata_host_set *host_set = dev_instance;
-	void __iomem *mmio_base = host_set->mmio_base;
+	struct ata_host *host = dev_instance;
+	void __iomem *mmio_base = host->iomap[SIL_MMIO_BAR];
 	int handled = 0;
 	int i;
 
-	spin_lock(&host_set->lock);
+	spin_lock(&host->lock);
 
-	for (i = 0; i < host_set->n_ports; i++) {
-		struct ata_port *ap = host_set->ports[i];
+	for (i = 0; i < host->n_ports; i++) {
+		struct ata_port *ap = host->ports[i];
 		u32 bmdma2 = readl(mmio_base + sil_port[ap->port_no].bmdma2);
 
 		if (unlikely(!ap || ap->flags & ATA_FLAG_DISABLED))
@@ -462,14 +480,14 @@ static irqreturn_t sil_interrupt(int irq, void *dev_instance,
 		handled = 1;
 	}
 
-	spin_unlock(&host_set->lock);
+	spin_unlock(&host->lock);
 
 	return IRQ_RETVAL(handled);
 }
 
 static void sil_freeze(struct ata_port *ap)
 {
-	void __iomem *mmio_base = ap->host_set->mmio_base;
+	void __iomem *mmio_base = ap->host->iomap[SIL_MMIO_BAR];
 	u32 tmp;
 
 	/* global IRQ mask doesn't block SATA IRQ, turn off explicitly */
@@ -484,7 +502,7 @@ static void sil_freeze(struct ata_port *ap)
 
 static void sil_thaw(struct ata_port *ap)
 {
-	void __iomem *mmio_base = ap->host_set->mmio_base;
+	void __iomem *mmio_base = ap->host->iomap[SIL_MMIO_BAR];
 	u32 tmp;
 
 	/* clear IRQ */
@@ -532,10 +550,11 @@ static void sil_thaw(struct ata_port *ap)
  */
 static void sil_dev_config(struct ata_port *ap, struct ata_device *dev)
 {
+	int print_info = ap->eh_context.i.flags & ATA_EHI_PRINTINFO;
 	unsigned int n, quirks = 0;
-	unsigned char model_num[41];
+	unsigned char model_num[ATA_ID_PROD_LEN + 1];
 
-	ata_id_c_string(dev->id, model_num, ATA_ID_PROD_OFS, sizeof(model_num));
+	ata_id_c_string(dev->id, model_num, ATA_ID_PROD, sizeof(model_num));
 
 	for (n = 0; sil_blacklist[n].product; n++)
 		if (!strcmp(sil_blacklist[n].product, model_num)) {
@@ -547,23 +566,25 @@ static void sil_dev_config(struct ata_port *ap, struct ata_device *dev)
 	if (slow_down ||
 	    ((ap->flags & SIL_FLAG_MOD15WRITE) &&
 	     (quirks & SIL_QUIRK_MOD15WRITE))) {
-		ata_dev_printk(dev, KERN_INFO, "applying Seagate errata fix "
-			       "(mod15write workaround)\n");
+		if (print_info)
+			ata_dev_printk(dev, KERN_INFO, "applying Seagate "
+				       "errata fix (mod15write workaround)\n");
 		dev->max_sectors = 15;
 		return;
 	}
 
 	/* limit to udma5 */
 	if (quirks & SIL_QUIRK_UDMA5MAX) {
-		ata_dev_printk(dev, KERN_INFO,
-			       "applying Maxtor errata fix %s\n", model_num);
+		if (print_info)
+			ata_dev_printk(dev, KERN_INFO, "applying Maxtor "
+				       "errata fix %s\n", model_num);
 		dev->udma_mask &= ATA_UDMA5;
 		return;
 	}
 }
 
 static void sil_init_controller(struct pci_dev *pdev,
-				int n_ports, unsigned long host_flags,
+				int n_ports, unsigned long port_flags,
 				void __iomem *mmio_base)
 {
 	u8 cls;
@@ -583,7 +604,7 @@ static void sil_init_controller(struct pci_dev *pdev,
 			   "cache line size not set.  Driver may not function\n");
 
 	/* Apply R_ERR on DMA activate FIS errata workaround */
-	if (host_flags & SIL_FLAG_RERR_ON_DMA_ACT) {
+	if (port_flags & SIL_FLAG_RERR_ON_DMA_ACT) {
 		int cnt;
 
 		for (i = 0, cnt = 0; i < n_ports; i++) {
@@ -611,38 +632,35 @@ static void sil_init_controller(struct pci_dev *pdev,
 static int sil_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 {
 	static int printed_version;
-	struct ata_probe_ent *probe_ent = NULL;
-	unsigned long base;
+	struct device *dev = &pdev->dev;
+	struct ata_probe_ent *probe_ent;
 	void __iomem *mmio_base;
 	int rc;
 	unsigned int i;
-	int pci_dev_busy = 0;
 
 	if (!printed_version++)
 		dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
 
-	rc = pci_enable_device(pdev);
+	rc = pcim_enable_device(pdev);
 	if (rc)
 		return rc;
 
-	rc = pci_request_regions(pdev, DRV_NAME);
-	if (rc) {
-		pci_dev_busy = 1;
-		goto err_out;
-	}
+	rc = pcim_iomap_regions(pdev, 1 << SIL_MMIO_BAR, DRV_NAME);
+	if (rc == -EBUSY)
+		pcim_pin_device(pdev);
+	if (rc)
+		return rc;
 
 	rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
 	if (rc)
-		goto err_out_regions;
+		return rc;
 	rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK);
 	if (rc)
-		goto err_out_regions;
+		return rc;
 
-	probe_ent = kzalloc(sizeof(*probe_ent), GFP_KERNEL);
-	if (probe_ent == NULL) {
-		rc = -ENOMEM;
-		goto err_out_regions;
-	}
+	probe_ent = devm_kzalloc(dev, sizeof(*probe_ent), GFP_KERNEL);
+	if (probe_ent == NULL)
+		return -ENOMEM;
 
 	INIT_LIST_HEAD(&probe_ent->node);
 	probe_ent->dev = pci_dev_to_dev(pdev);
@@ -654,59 +672,50 @@ static int sil_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 	probe_ent->udma_mask = sil_port_info[ent->driver_data].udma_mask;
        	probe_ent->irq = pdev->irq;
        	probe_ent->irq_flags = IRQF_SHARED;
-	probe_ent->host_flags = sil_port_info[ent->driver_data].host_flags;
-
-	mmio_base = pci_iomap(pdev, 5, 0);
-	if (mmio_base == NULL) {
-		rc = -ENOMEM;
-		goto err_out_free_ent;
-	}
+	probe_ent->port_flags = sil_port_info[ent->driver_data].flags;
 
-	probe_ent->mmio_base = mmio_base;
+	probe_ent->iomap = pcim_iomap_table(pdev);
 
-	base = (unsigned long) mmio_base;
+	mmio_base = probe_ent->iomap[SIL_MMIO_BAR];
 
 	for (i = 0; i < probe_ent->n_ports; i++) {
-		probe_ent->port[i].cmd_addr = base + sil_port[i].tf;
+		probe_ent->port[i].cmd_addr = mmio_base + sil_port[i].tf;
 		probe_ent->port[i].altstatus_addr =
-		probe_ent->port[i].ctl_addr = base + sil_port[i].ctl;
-		probe_ent->port[i].bmdma_addr = base + sil_port[i].bmdma;
-		probe_ent->port[i].scr_addr = base + sil_port[i].scr;
+		probe_ent->port[i].ctl_addr = mmio_base + sil_port[i].ctl;
+		probe_ent->port[i].bmdma_addr = mmio_base + sil_port[i].bmdma;
+		probe_ent->port[i].scr_addr = mmio_base + sil_port[i].scr;
 		ata_std_ports(&probe_ent->port[i]);
 	}
 
-	sil_init_controller(pdev, probe_ent->n_ports, probe_ent->host_flags,
+	sil_init_controller(pdev, probe_ent->n_ports, probe_ent->port_flags,
 			    mmio_base);
 
 	pci_set_master(pdev);
 
-	/* FIXME: check ata_device_add return value */
-	ata_device_add(probe_ent);
-	kfree(probe_ent);
+	if (!ata_device_add(probe_ent))
+		return -ENODEV;
 
+	devm_kfree(dev, probe_ent);
 	return 0;
-
-err_out_free_ent:
-	kfree(probe_ent);
-err_out_regions:
-	pci_release_regions(pdev);
-err_out:
-	if (!pci_dev_busy)
-		pci_disable_device(pdev);
-	return rc;
 }
 
+#ifdef CONFIG_PM
 static int sil_pci_device_resume(struct pci_dev *pdev)
 {
-	struct ata_host_set *host_set = dev_get_drvdata(&pdev->dev);
+	struct ata_host *host = dev_get_drvdata(&pdev->dev);
+	int rc;
+
+	rc = ata_pci_device_do_resume(pdev);
+	if (rc)
+		return rc;
 
-	ata_pci_device_do_resume(pdev);
-	sil_init_controller(pdev, host_set->n_ports, host_set->ports[0]->flags,
-			    host_set->mmio_base);
-	ata_host_set_resume(host_set);
+	sil_init_controller(pdev, host->n_ports, host->ports[0]->flags,
+			    host->iomap[SIL_MMIO_BAR]);
+	ata_host_resume(host);
 
 	return 0;
 }
+#endif
 
 static int __init sil_init(void)
 {