ahci: fix module refcount breakage introduced by libahci split

[net-next-2.6.git] / drivers / ata / libahci.c

diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 81e772a94d59857187fda27dbfe7702469fb590f..8eea309ea21231fcb50ff0498a366ff8a8a1dcf7 100644 (file)
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -121,7 +121,7 @@ static DEVICE_ATTR(ahci_port_cmd, S_IRUGO, ahci_show_port_cmd, NULL);
 static DEVICE_ATTR(em_buffer, S_IWUSR | S_IRUGO,
                   ahci_read_em_buffer, ahci_store_em_buffer);
 
-static struct device_attribute *ahci_shost_attrs[] = {
+struct device_attribute *ahci_shost_attrs[] = {
        &dev_attr_link_power_management_policy,
        &dev_attr_em_message_type,
        &dev_attr_em_message,
@@ -132,22 +132,14 @@ static struct device_attribute *ahci_shost_attrs[] = {
        &dev_attr_em_buffer,
        NULL
 };
+EXPORT_SYMBOL_GPL(ahci_shost_attrs);
 
-static struct device_attribute *ahci_sdev_attrs[] = {
+struct device_attribute *ahci_sdev_attrs[] = {
        &dev_attr_sw_activity,
        &dev_attr_unload_heads,
        NULL
 };
-
-struct scsi_host_template ahci_sht = {
-       ATA_NCQ_SHT("ahci"),
-       .can_queue              = AHCI_MAX_CMDS - 1,
-       .sg_tablesize           = AHCI_MAX_SG,
-       .dma_boundary           = AHCI_DMA_BOUNDARY,
-       .shost_attrs            = ahci_shost_attrs,
-       .sdev_attrs             = ahci_sdev_attrs,
-};
-EXPORT_SYMBOL_GPL(ahci_sht);
+EXPORT_SYMBOL_GPL(ahci_sdev_attrs);
 
 struct ata_port_operations ahci_ops = {
        .inherits               = &sata_pmp_port_ops,
@@ -430,6 +422,12 @@ void ahci_save_initial_config(struct device *dev,
                cap &= ~HOST_CAP_SNTF;
        }
 
+       if (!(cap & HOST_CAP_FBS) && (hpriv->flags & AHCI_HFLAG_YES_FBS)) {
+               dev_printk(KERN_INFO, dev,
+                          "controller can do FBS, turning on CAP_FBS\n");
+               cap |= HOST_CAP_FBS;
+       }
+
        if (force_port_map && port_map != force_port_map) {
                dev_printk(KERN_INFO, dev, "forcing port_map 0x%x -> 0x%x\n",
                           port_map, force_port_map);
@@ -1320,7 +1318,7 @@ int ahci_do_softreset(struct ata_link *link, unsigned int *class,
        /* issue the first D2H Register FIS */
        msecs = 0;
        now = jiffies;
-       if (time_after(now, deadline))
+       if (time_after(deadline, now))
                msecs = jiffies_to_msecs(deadline - now);
 
        tf.ctl |= ATA_SRST;
@@ -2036,9 +2034,15 @@ static int ahci_port_start(struct ata_port *ap)
                u32 cmd = readl(port_mmio + PORT_CMD);
                if (cmd & PORT_CMD_FBSCP)
                        pp->fbs_supported = true;
-               else
+               else if (hpriv->flags & AHCI_HFLAG_YES_FBS) {
+                       dev_printk(KERN_INFO, dev,
+                                  "port %d can do FBS, forcing FBSCP\n",
+                                  ap->port_no);
+                       pp->fbs_supported = true;
+               } else
                        dev_printk(KERN_WARNING, dev,
-                                  "The port is not capable of FBS\n");
+                                  "port %d is not capable of FBS\n",
+                                  ap->port_no);
        }
 
        if (pp->fbs_supported) {