Merge branch 'for-linus' of git://oss.sgi.com:8090/xfs/xfs-2.6

[linux-2.6-omap-h63xx.git] / drivers / ata / sata_inic162x.c

diff --git a/drivers/ata/sata_inic162x.c b/drivers/ata/sata_inic162x.c
index 3de183461c3c42a9f46c1500fe32b4e8c4610ffa..08595f34b3e8cdaa2df597b799cf9a479fe713d1 100644 (file)
--- a/drivers/ata/sata_inic162x.c
+++ b/drivers/ata/sata_inic162x.c
@@ -28,7 +28,7 @@
 #include <scsi/scsi_device.h>
 
 #define DRV_NAME       "sata_inic162x"
-#define DRV_VERSION    "0.2"
+#define DRV_VERSION    "0.3"
 
 enum {
        MMIO_BAR                = 5,
@@ -190,34 +190,34 @@ static void inic_reset_port(void __iomem *port_base)
        writew(ctl, idma_ctl);
 }
 
-static u32 inic_scr_read(struct ata_port *ap, unsigned sc_reg)
+static int inic_scr_read(struct ata_port *ap, unsigned sc_reg, u32 *val)
 {
        void __iomem *scr_addr = ap->ioaddr.scr_addr;
        void __iomem *addr;
-       u32 val;
 
        if (unlikely(sc_reg >= ARRAY_SIZE(scr_map)))
-               return 0xffffffffU;
+               return -EINVAL;
 
        addr = scr_addr + scr_map[sc_reg] * 4;
-       val = readl(scr_addr + scr_map[sc_reg] * 4);
+       *val = readl(scr_addr + scr_map[sc_reg] * 4);
 
        /* this controller has stuck DIAG.N, ignore it */
        if (sc_reg == SCR_ERROR)
-               val &= ~SERR_PHYRDY_CHG;
-       return val;
+               *val &= ~SERR_PHYRDY_CHG;
+       return 0;
 }
 
-static void inic_scr_write(struct ata_port *ap, unsigned sc_reg, u32 val)
+static int inic_scr_write(struct ata_port *ap, unsigned sc_reg, u32 val)
 {
        void __iomem *scr_addr = ap->ioaddr.scr_addr;
        void __iomem *addr;
 
        if (unlikely(sc_reg >= ARRAY_SIZE(scr_map)))
-               return;
+               return -EINVAL;
 
        addr = scr_addr + scr_map[sc_reg] * 4;
        writel(val, scr_addr + scr_map[sc_reg] * 4);
+       return 0;
 }
 
 /*
@@ -285,7 +285,7 @@ static void inic_irq_clear(struct ata_port *ap)
 static void inic_host_intr(struct ata_port *ap)
 {
        void __iomem *port_base = inic_port_base(ap);
-       struct ata_eh_info *ehi = &ap->eh_info;
+       struct ata_eh_info *ehi = &ap->link.eh_info;
        u8 irq_stat;
 
        /* fetch and clear irq */
@@ -293,7 +293,8 @@ static void inic_host_intr(struct ata_port *ap)
        writeb(irq_stat, port_base + PORT_IRQ_STAT);
 
        if (likely(!(irq_stat & PIRQ_ERR))) {
-               struct ata_queued_cmd *qc = ata_qc_from_tag(ap, ap->active_tag);
+               struct ata_queued_cmd *qc =
+                       ata_qc_from_tag(ap, ap->link.active_tag);
 
                if (unlikely(!qc || (qc->tf.flags & ATA_TFLAG_POLLING))) {
                        ata_chk_status(ap);     /* clear ATA interrupt */
@@ -416,12 +417,13 @@ static void inic_thaw(struct ata_port *ap)
  * SRST and SControl hardreset don't give valid signature on this
  * controller.  Only controller specific hardreset mechanism works.
  */
-static int inic_hardreset(struct ata_port *ap, unsigned int *class,
+static int inic_hardreset(struct ata_link *link, unsigned int *class,
                          unsigned long deadline)
 {
+       struct ata_port *ap = link->ap;
        void __iomem *port_base = inic_port_base(ap);
        void __iomem *idma_ctl = port_base + PORT_IDMA_CTL;
-       const unsigned long *timing = sata_ehc_deb_timing(&ap->eh_context);
+       const unsigned long *timing = sata_ehc_deb_timing(&link->eh_context);
        u16 val;
        int rc;
 
@@ -434,15 +436,15 @@ static int inic_hardreset(struct ata_port *ap, unsigned int *class,
        msleep(1);
        writew(val & ~IDMA_CTL_RST_ATA, idma_ctl);
 
-       rc = sata_phy_resume(ap, timing, deadline);
+       rc = sata_link_resume(link, timing, deadline);
        if (rc) {
-               ata_port_printk(ap, KERN_WARNING, "failed to resume "
+               ata_link_printk(link, KERN_WARNING, "failed to resume "
                                "link after reset (errno=%d)\n", rc);
                return rc;
        }
 
        *class = ATA_DEV_NONE;
-       if (ata_port_online(ap)) {
+       if (ata_link_online(link)) {
                struct ata_taskfile tf;
 
                /* wait a while before checking status */
@@ -451,7 +453,7 @@ static int inic_hardreset(struct ata_port *ap, unsigned int *class,
                rc = ata_wait_ready(ap, deadline);
                /* link occupied, -ENODEV too is an error */
                if (rc) {
-                       ata_port_printk(ap, KERN_WARNING, "device not ready "
+                       ata_link_printk(link, KERN_WARNING, "device not ready "
                                        "after hardreset (errno=%d)\n", rc);
                        return rc;
                }
@@ -550,7 +552,6 @@ static int inic_port_start(struct ata_port *ap)
 }
 
 static struct ata_port_operations inic_port_ops = {
-       .port_disable           = ata_port_disable,
        .tf_load                = ata_tf_load,
        .tf_read                = ata_tf_read,
        .check_status           = ata_check_status,
@@ -567,7 +568,6 @@ static struct ata_port_operations inic_port_ops = {
 
        .irq_clear              = inic_irq_clear,
        .irq_on                 = ata_irq_on,
-       .irq_ack                = ata_irq_ack,
 
        .qc_prep                = ata_qc_prep,
        .qc_issue               = inic_qc_issue,
@@ -693,16 +693,24 @@ static int inic_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
        host->iomap = iomap = pcim_iomap_table(pdev);
 
        for (i = 0; i < NR_PORTS; i++) {
-               struct ata_ioports *port = &host->ports[i]->ioaddr;
-               void __iomem *port_base = iomap[MMIO_BAR] + i * PORT_SIZE;
+               struct ata_port *ap = host->ports[i];
+               struct ata_ioports *port = &ap->ioaddr;
+               unsigned int offset = i * PORT_SIZE;
 
                port->cmd_addr = iomap[2 * i];
                port->altstatus_addr =
                port->ctl_addr = (void __iomem *)
                        ((unsigned long)iomap[2 * i + 1] | ATA_PCI_CTL_OFS);
-               port->scr_addr = port_base + PORT_SCR;
+               port->scr_addr = iomap[MMIO_BAR] + offset + PORT_SCR;
 
                ata_std_ports(port);
+
+               ata_port_pbar_desc(ap, MMIO_BAR, -1, "mmio");
+               ata_port_pbar_desc(ap, MMIO_BAR, offset, "port");
+               ata_port_desc(ap, "cmd 0x%llx ctl 0x%llx",
+                 (unsigned long long)pci_resource_start(pdev, 2 * i),
+                 (unsigned long long)pci_resource_start(pdev, (2 * i + 1)) |
+                                     ATA_PCI_CTL_OFS);
        }
 
        hpriv->cached_hctl = readw(iomap[MMIO_BAR] + HOST_CTL);