ide: add device flags

[linux-2.6-omap-h63xx.git] / drivers / ide / pci / sc1200.c

diff --git a/drivers/ide/pci/sc1200.c b/drivers/ide/pci/sc1200.c
index 14c787b5d95f89c8fd6406d22cd82ef72d4322bb..50405ed6f0cbc74056f1b9c349077f98ad0cbd75 100644 (file)
--- a/drivers/ide/pci/sc1200.c
+++ b/drivers/ide/pci/sc1200.c
@@ -14,7 +14,6 @@
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
-#include <linux/hdreg.h>
 #include <linux/pci.h>
 #include <linux/init.h>
 #include <linux/ide.h>
@@ -22,6 +21,8 @@
 
 #include <asm/io.h>
 
+#define DRV_NAME "sc1200"
+
 #define SC1200_REV_A   0x00
 #define SC1200_REV_B1  0x01
 #define SC1200_REV_B3  0x02
@@ -102,17 +103,19 @@ static void sc1200_tunepio(ide_drive_t *drive, u8 pio)
 static u8 sc1200_udma_filter(ide_drive_t *drive)
 {
        ide_hwif_t *hwif = drive->hwif;
-       ide_drive_t *mate = &hwif->drives[(drive->dn & 1) ^ 1];
-       struct hd_driveid *mateid = mate->id;
+       ide_drive_t *mate = ide_get_pair_dev(drive);
+       u16 *mateid = mate->id;
        u8 mask = hwif->ultra_mask;
 
-       if (mate->present == 0)
+       if (mate == NULL)
                goto out;
 
-       if ((mateid->capability & 1) && __ide_dma_bad_drive(mate) == 0) {
-               if ((mateid->field_valid & 4) && (mateid->dma_ultra & 7))
+       if (ata_id_has_dma(mateid) && __ide_dma_bad_drive(mate) == 0) {
+               if ((mateid[ATA_ID_FIELD_VALID] & 4) &&
+                   (mateid[ATA_ID_UDMA_MODES] & 7))
                        goto out;
-               if ((mateid->field_valid & 2) && (mateid->dma_mword & 7))
+               if ((mateid[ATA_ID_FIELD_VALID] & 2) &&
+                   (mateid[ATA_ID_MWDMA_MODES] & 7))
                        mask = 0;
        }
 out:
@@ -213,7 +216,8 @@ static void sc1200_set_pio_mode(ide_drive_t *drive, const u8 pio)
        if (mode != -1) {
                printk("SC1200: %s: changing (U)DMA mode\n", drive->name);
                ide_dma_off_quietly(drive);
-               if (ide_set_dma_mode(drive, mode) == 0 && drive->using_dma)
+               if (ide_set_dma_mode(drive, mode) == 0 &&
+                   (drive->dev_flags & IDE_DFLAG_USING_DMA))
                        hwif->dma_ops->dma_host_set(drive, 1);
                return;
        }
@@ -234,20 +238,10 @@ static int sc1200_suspend (struct pci_dev *dev, pm_message_t state)
         * we only save state when going from full power to less
         */
        if (state.event == PM_EVENT_ON) {
-               struct sc1200_saved_state *ss;
+               struct ide_host *host = pci_get_drvdata(dev);
+               struct sc1200_saved_state *ss = host->host_priv;
                unsigned int r;
 
-               /*
-                * allocate a permanent save area, if not already allocated
-                */
-               ss = (struct sc1200_saved_state *)pci_get_drvdata(dev);
-               if (ss == NULL) {
-                       ss = kmalloc(sizeof(*ss), GFP_KERNEL);
-                       if (ss == NULL)
-                               return -ENOMEM;
-                       pci_set_drvdata(dev, ss);
-               }
-
                /*
                 * save timing registers
                 * (this may be unnecessary if BIOS also does it)
@@ -263,7 +257,8 @@ static int sc1200_suspend (struct pci_dev *dev, pm_message_t state)
 
 static int sc1200_resume (struct pci_dev *dev)
 {
-       struct sc1200_saved_state *ss;
+       struct ide_host *host = pci_get_drvdata(dev);
+       struct sc1200_saved_state *ss = host->host_priv;
        unsigned int r;
        int i;
 
@@ -271,16 +266,12 @@ static int sc1200_resume (struct pci_dev *dev)
        if (i)
                return i;
 
-       ss = (struct sc1200_saved_state *)pci_get_drvdata(dev);
-
        /*
         * restore timing registers
         * (this may be unnecessary if BIOS also does it)
         */
-       if (ss) {
-               for (r = 0; r < 8; r++)
-                       pci_write_config_dword(dev, 0x40 + r * 4, ss->regs[r]);
-       }
+       for (r = 0; r < 8; r++)
+               pci_write_config_dword(dev, 0x40 + r * 4, ss->regs[r]);
 
        return 0;
 }
@@ -304,7 +295,7 @@ static const struct ide_dma_ops sc1200_dma_ops = {
 };
 
 static const struct ide_port_info sc1200_chipset __devinitdata = {
-       .name           = "SC1200",
+       .name           = DRV_NAME,
        .port_ops       = &sc1200_port_ops,
        .dma_ops        = &sc1200_dma_ops,
        .host_flags     = IDE_HFLAG_SERIALIZE |
@@ -317,7 +308,19 @@ static const struct ide_port_info sc1200_chipset __devinitdata = {
 
 static int __devinit sc1200_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 {
-       return ide_setup_pci_device(dev, &sc1200_chipset);
+       struct sc1200_saved_state *ss = NULL;
+       int rc;
+
+#ifdef CONFIG_PM
+       ss = kmalloc(sizeof(*ss), GFP_KERNEL);
+       if (ss == NULL)
+               return -ENOMEM;
+#endif
+       rc = ide_pci_init_one(dev, &sc1200_chipset, ss);
+       if (rc)
+               kfree(ss);
+
+       return rc;
 }
 
 static const struct pci_device_id sc1200_pci_tbl[] = {
@@ -330,6 +333,7 @@ static struct pci_driver driver = {
        .name           = "SC1200_IDE",
        .id_table       = sc1200_pci_tbl,
        .probe          = sc1200_init_one,
+       .remove         = ide_pci_remove,
 #ifdef CONFIG_PM
        .suspend        = sc1200_suspend,
        .resume         = sc1200_resume,
@@ -341,7 +345,13 @@ static int __init sc1200_ide_init(void)
        return ide_pci_register_driver(&driver);
 }
 
+static void __exit sc1200_ide_exit(void)
+{
+       pci_unregister_driver(&driver);
+}
+
 module_init(sc1200_ide_init);
+module_exit(sc1200_ide_exit);
 
 MODULE_AUTHOR("Mark Lord");
 MODULE_DESCRIPTION("PCI driver module for NS SC1200 IDE");