pata_it8213: fix it8213_pre_reset() documentation
[safe/jmp/linux-2.6] / drivers / ata / pata_hpt37x.c
index defd9b8..4224cfc 100644 (file)
@@ -799,9 +799,8 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
        static const int MHz[4] = { 33, 40, 50, 66 };
        void *private_data = NULL;
        const struct ata_port_info *ppi[] = { NULL, NULL };
-
+       u8 rev = dev->revision;
        u8 irqmask;
-       u32 class_rev;
        u8 mcr1;
        u32 freq;
        int prefer_dpll = 1;
@@ -816,19 +815,16 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
        if (rc)
                return rc;
 
-       pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev);
-       class_rev &= 0xFF;
-
        if (dev->device == PCI_DEVICE_ID_TTI_HPT366) {
                /* May be a later chip in disguise. Check */
                /* Older chips are in the HPT366 driver. Ignore them */
-               if (class_rev < 3)
+               if (rev < 3)
                        return -ENODEV;
                /* N series chips have their own driver. Ignore */
-               if (class_rev == 6)
+               if (rev == 6)
                        return -ENODEV;
 
-               switch(class_rev) {
+               switch(rev) {
                        case 3:
                                ppi[0] = &info_hpt370;
                                chip_table = &hpt370;
@@ -844,28 +840,29 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
                                chip_table = &hpt372;
                                break;
                        default:
-                               printk(KERN_ERR "pata_hpt37x: Unknown HPT366 subtype please report (%d).\n", class_rev);
+                               printk(KERN_ERR "pata_hpt37x: Unknown HPT366 "
+                                      "subtype, please report (%d).\n", rev);
                                return -ENODEV;
                }
        } else {
                switch(dev->device) {
                        case PCI_DEVICE_ID_TTI_HPT372:
                                /* 372N if rev >= 2*/
-                               if (class_rev >= 2)
+                               if (rev >= 2)
                                        return -ENODEV;
                                ppi[0] = &info_hpt372;
                                chip_table = &hpt372a;
                                break;
                        case PCI_DEVICE_ID_TTI_HPT302:
                                /* 302N if rev > 1 */
-                               if (class_rev > 1)
+                               if (rev > 1)
                                        return -ENODEV;
                                ppi[0] = &info_hpt372;
                                /* Check this */
                                chip_table = &hpt302;
                                break;
                        case PCI_DEVICE_ID_TTI_HPT371:
-                               if (class_rev > 1)
+                               if (rev > 1)
                                        return -ENODEV;
                                ppi[0] = &info_hpt372;
                                chip_table = &hpt371;