Merge branch 'master'

[pandora-kernel.git] / drivers / scsi / sata_qstor.c

diff --git a/drivers/scsi/sata_qstor.c b/drivers/scsi/sata_qstor.c
index ffcdeb6..61b17f2 100644 (file)
--- a/drivers/scsi/sata_qstor.c
+++ b/drivers/scsi/sata_qstor.c
@@ -35,7 +35,7 @@
 #include <linux/delay.h>
 #include <linux/interrupt.h>
 #include <linux/sched.h>
-#include "scsi.h"
+#include <linux/device.h>
 #include <scsi/scsi_host.h>
 #include <asm/io.h>
 #include <linux/libata.h>
@@ -51,8 +51,6 @@ enum {
        QS_PRD_BYTES            = QS_MAX_PRD * 16,
        QS_PKT_BYTES            = QS_CPB_BYTES + QS_PRD_BYTES,
 
-       QS_DMA_BOUNDARY         = ~0UL,
-
        /* global register offsets */
        QS_HCF_CNFG3            = 0x0003, /* host configuration offset */
        QS_HID_HPHY             = 0x0004, /* host physical interface info */
@@ -101,6 +99,10 @@ enum {
        board_2068_idx          = 0,    /* QStor 4-port SATA/RAID */
 };
 
+enum {
+       QS_DMA_BOUNDARY         = ~0UL
+};
+
 typedef enum { qs_state_idle, qs_state_pkt, qs_state_mmio } qs_state_t;
 
 struct qs_port_priv {
@@ -125,7 +127,7 @@ static u8 qs_bmdma_status(struct ata_port *ap);
 static void qs_irq_clear(struct ata_port *ap);
 static void qs_eng_timeout(struct ata_port *ap);
 
-static Scsi_Host_Template qs_ata_sht = {
+static struct scsi_host_template qs_ata_sht = {
        .module                 = THIS_MODULE,
        .name                   = DRV_NAME,
        .ioctl                  = ata_scsi_ioctl,
@@ -145,7 +147,7 @@ static Scsi_Host_Template qs_ata_sht = {
        .bios_param             = ata_std_bios_param,
 };
 
-static struct ata_port_operations qs_ata_ops = {
+static const struct ata_port_operations qs_ata_ops = {
        .port_disable           = ata_port_disable,
        .tf_load                = ata_tf_load,
        .tf_read                = ata_tf_read,
@@ -175,14 +177,14 @@ static struct ata_port_info qs_port_info[] = {
                .host_flags     = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
                                  ATA_FLAG_SATA_RESET |
                                  //FIXME ATA_FLAG_SRST |
-                                 ATA_FLAG_MMIO,
+                                 ATA_FLAG_MMIO | ATA_FLAG_PIO_POLLING,
                .pio_mask       = 0x10, /* pio4 */
                .udma_mask      = 0x7f, /* udma0-6 */
                .port_ops       = &qs_ata_ops,
        },
 };
 
-static struct pci_device_id qs_ata_pci_tbl[] = {
+static const struct pci_device_id qs_ata_pci_tbl[] = {
        { PCI_VENDOR_ID_PDC, 0x2068, PCI_ANY_ID, PCI_ANY_ID, 0, 0,
          board_2068_idx },
 
@@ -268,16 +270,17 @@ static void qs_scr_write (struct ata_port *ap, unsigned int sc_reg, u32 val)
 
 static void qs_fill_sg(struct ata_queued_cmd *qc)
 {
-       struct scatterlist *sg = qc->sg;
+       struct scatterlist *sg;
        struct ata_port *ap = qc->ap;
        struct qs_port_priv *pp = ap->private_data;
        unsigned int nelem;
        u8 *prd = pp->pkt + QS_CPB_BYTES;
 
-       assert(sg != NULL);
+       assert(qc->__sg != NULL);
        assert(qc->n_elem > 0);
 
-       for (nelem = 0; nelem < qc->n_elem; nelem++,sg++) {
+       nelem = 0;
+       ata_for_each_sg(sg, qc) {
                u64 addr;
                u32 len;
 
@@ -291,6 +294,7 @@ static void qs_fill_sg(struct ata_queued_cmd *qc)
 
                VPRINTK("PRD[%u] = (0x%llX, 0x%X)\n", nelem,
                                        (unsigned long long)addr, len);
+               nelem++;
        }
 }
 
@@ -389,20 +393,20 @@ static inline unsigned int qs_intr_pkt(struct ata_host_set *host_set)
                        DPRINTK("SFF=%08x%08x: sCHAN=%u sHST=%d sDST=%02x\n",
                                        sff1, sff0, port_no, sHST, sDST);
                        handled = 1;
-                       if (ap && !(ap->flags &
-                                   (ATA_FLAG_PORT_DISABLED|ATA_FLAG_NOINTR))) {
+                       if (ap && !(ap->flags & ATA_FLAG_PORT_DISABLED)) {
                                struct ata_queued_cmd *qc;
                                struct qs_port_priv *pp = ap->private_data;
                                if (!pp || pp->state != qs_state_pkt)
                                        continue;
                                qc = ata_qc_from_tag(ap, ap->active_tag);
-                               if (qc && (!(qc->tf.ctl & ATA_NIEN))) {
+                               if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING))) {
                                        switch (sHST) {
-                                       case 0: /* sucessful CPB */
+                                       case 0: /* successful CPB */
                                        case 3: /* device error */
                                                pp->state = qs_state_idle;
                                                qs_enter_reg_mode(qc->ap);
-                                               ata_qc_complete(qc, sDST);
+                                               ata_qc_complete(qc,
+                                                       ac_err_mask(sDST));
                                                break;
                                        default:
                                                break;
@@ -422,16 +426,16 @@ static inline unsigned int qs_intr_mmio(struct ata_host_set *host_set)
                struct ata_port *ap;
                ap = host_set->ports[port_no];
                if (ap &&
-                   !(ap->flags & (ATA_FLAG_PORT_DISABLED | ATA_FLAG_NOINTR))) {
+                   !(ap->flags & ATA_FLAG_PORT_DISABLED)) {
                        struct ata_queued_cmd *qc;
                        struct qs_port_priv *pp = ap->private_data;
                        if (!pp || pp->state != qs_state_mmio)
                                continue;
                        qc = ata_qc_from_tag(ap, ap->active_tag);
-                       if (qc && (!(qc->tf.ctl & ATA_NIEN))) {
+                       if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING))) {
 
                                /* check main status, clearing INTRQ */
-                               u8 status = ata_chk_status(ap);
+                               u8 status = ata_check_status(ap);
                                if ((status & ATA_BUSY))
                                        continue;
                                DPRINTK("ata%u: protocol %d (dev_stat 0x%X)\n",
@@ -439,7 +443,7 @@ static inline unsigned int qs_intr_mmio(struct ata_host_set *host_set)
 
                                /* complete taskfile transaction */
                                pp->state = qs_state_idle;
-                               ata_qc_complete(qc, status);
+                               ata_qc_complete(qc, ac_err_mask(status));
                                handled = 1;
                        }
                }
@@ -597,25 +601,22 @@ static int qs_set_dma_masks(struct pci_dev *pdev, void __iomem *mmio_base)
                if (rc) {
                        rc = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
                        if (rc) {
-                               printk(KERN_ERR DRV_NAME
-                                       "(%s): 64-bit DMA enable failed\n",
-                                       pci_name(pdev));
+                               dev_printk(KERN_ERR, &pdev->dev,
+                                          "64-bit DMA enable failed\n");
                                return rc;
                        }
                }
        } else {
                rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
                if (rc) {
-                       printk(KERN_ERR DRV_NAME
-                               "(%s): 32-bit DMA enable failed\n",
-                               pci_name(pdev));
+                       dev_printk(KERN_ERR, &pdev->dev,
+                               "32-bit DMA enable failed\n");
                        return rc;
                }
                rc = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
                if (rc) {
-                       printk(KERN_ERR DRV_NAME
-                               "(%s): 32-bit consistent DMA enable failed\n",
-                               pci_name(pdev));
+                       dev_printk(KERN_ERR, &pdev->dev,
+                               "32-bit consistent DMA enable failed\n");
                        return rc;
                }
        }
@@ -632,7 +633,7 @@ static int qs_ata_init_one(struct pci_dev *pdev,
        int rc, port_no;
 
        if (!printed_version++)
-               printk(KERN_DEBUG DRV_NAME " version " DRV_VERSION "\n");
+               dev_printk(KERN_DEBUG, &pdev->dev, "version " DRV_VERSION "\n");
 
        rc = pci_enable_device(pdev);
        if (rc)