ide: add ide_proc_register_port()
[safe/jmp/linux-2.6] / drivers / ide / ide-probe.c
index 7cb2d86..3cebed7 100644 (file)
@@ -31,9 +31,6 @@
  *                     valid after probe time even with noprobe
  */
 
-#undef REALLY_SLOW_IO          /* most systems can safely undef this */
-
-#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/types.h>
 #include <linux/string.h>
@@ -47,7 +44,6 @@
 #include <linux/slab.h>
 #include <linux/delay.h>
 #include <linux/ide.h>
-#include <linux/devfs_fs_kernel.h>
 #include <linux/spinlock.h>
 #include <linux/kmod.h>
 #include <linux/pci.h>
@@ -125,45 +121,6 @@ static void ide_disk_init_mult_count(ide_drive_t *drive)
 }
 
 /**
- *     drive_is_flashcard      -       check for compact flash
- *     @drive: drive to check
- *
- *     CompactFlash cards and their brethern pretend to be removable
- *     hard disks, except:
- *             (1) they never have a slave unit, and
- *             (2) they don't have doorlock mechanisms.
- *     This test catches them, and is invoked elsewhere when setting
- *     appropriate config bits.
- *
- *     FIXME: This treatment is probably applicable for *all* PCMCIA (PC CARD)
- *     devices, so in linux 2.3.x we should change this to just treat all
- *     PCMCIA  drives this way, and get rid of the model-name tests below
- *     (too big of an interface change for 2.4.x).
- *     At that time, we might also consider parameterizing the timeouts and
- *     retries, since these are MUCH faster than mechanical drives. -M.Lord
- */
-static inline int drive_is_flashcard (ide_drive_t *drive)
-{
-       struct hd_driveid *id = drive->id;
-
-       if (drive->removable) {
-               if (id->config == 0x848a) return 1;     /* CompactFlash */
-               if (!strncmp(id->model, "KODAK ATA_FLASH", 15)  /* Kodak */
-                || !strncmp(id->model, "Hitachi CV", 10)       /* Hitachi */
-                || !strncmp(id->model, "SunDisk SDCFB", 13)    /* old SanDisk */
-                || !strncmp(id->model, "SanDisk SDCFB", 13)    /* SanDisk */
-                || !strncmp(id->model, "HAGIWARA HPC", 12)     /* Hagiwara */
-                || !strncmp(id->model, "LEXAR ATA_FLASH", 15)  /* Lexar */
-                || !strncmp(id->model, "ATA_FLASH", 9))        /* Simple Tech */
-               {
-                       return 1;       /* yes, it is a flash memory card */
-               }
-       }
-       return 0;       /* no, it is not a flash memory card */
-}
-
-/**
  *     do_identify     -       identify a drive
  *     @drive: drive to identify 
  *     @cmd: command used
@@ -278,13 +235,17 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd)
        /*
         * Not an ATAPI device: looks like a "regular" hard disk
         */
-       if (id->config & (1<<7))
+
+       /*
+        * 0x848a = CompactFlash device
+        * These are *not* removable in Linux definition of the term
+        */
+
+       if ((id->config != 0x848a) && (id->config & (1<<7)))
                drive->removable = 1;
 
-       if (drive_is_flashcard(drive))
-               drive->is_flash = 1;
        drive->media = ide_disk;
-       printk("%s DISK drive\n", (drive->is_flash) ? "CFA" : "ATA" );
+       printk("%s DISK drive\n", (id->config == 0x848a) ? "CFA" : "ATA" );
        QUIRK_LIST(drive);
        return;
 
@@ -660,6 +621,8 @@ static void hwif_release_dev (struct device *dev)
 
 static void hwif_register (ide_hwif_t *hwif)
 {
+       int ret;
+
        /* register with global device tree */
        strlcpy(hwif->gendev.bus_id,hwif->name,BUS_ID_SIZE);
        hwif->gendev.driver_data = hwif;
@@ -671,7 +634,10 @@ static void hwif_register (ide_hwif_t *hwif)
                        hwif->gendev.parent = NULL;
        }
        hwif->gendev.release = hwif_release_dev;
-       device_register(&hwif->gendev);
+       ret = device_register(&hwif->gendev);
+       if (ret < 0)
+               printk(KERN_WARNING "IDE: %s: device_register error: %d\n",
+                       __FUNCTION__, ret);
 }
 
 static int wait_hwif_ready(ide_hwif_t *hwif)
@@ -885,14 +851,23 @@ static void probe_hwif(ide_hwif_t *hwif)
                                 * things, if not checked and cleared.
                                 *   PARANOIA!!!
                                 */
-                               hwif->ide_dma_off_quietly(drive);
+                               hwif->dma_off_quietly(drive);
 #ifdef CONFIG_IDEDMA_ONLYDISK
                                if (drive->media == ide_disk)
 #endif
-                                       hwif->ide_dma_check(drive);
+                                       ide_set_dma(drive);
                        }
                }
        }
+
+       for (unit = 0; unit < MAX_DRIVES; ++unit) {
+               ide_drive_t *drive = &hwif->drives[unit];
+
+               if (hwif->no_io_32bit)
+                       drive->no_io_32bit = 1;
+               else
+                       drive->no_io_32bit = drive->id->dword_io ? 1 : 0;
+       }
 }
 
 static int hwif_init(ide_hwif_t *hwif);
@@ -912,13 +887,19 @@ int probe_hwif_init_with_fixup(ide_hwif_t *hwif, void (*fixup)(ide_hwif_t *hwif)
 
        if (hwif->present) {
                u16 unit = 0;
+               int ret;
+
                for (unit = 0; unit < MAX_DRIVES; ++unit) {
                        ide_drive_t *drive = &hwif->drives[unit];
                        /* For now don't attach absent drives, we may
                           want them on default or a new "empty" class
                           for hotplug reprobing ? */
                        if (drive->present) {
-                               device_register(&drive->gendev);
+                               ret = device_register(&drive->gendev);
+                               if (ret < 0)
+                                       printk(KERN_WARNING "IDE: %s: "
+                                               "device_register error: %d\n",
+                                               __FUNCTION__, ret);
                        }
                }
        }
@@ -1011,18 +992,12 @@ static int ide_init_queue(ide_drive_t *drive)
        blk_queue_max_hw_segments(q, max_sg_entries);
        blk_queue_max_phys_segments(q, max_sg_entries);
 
-       blk_queue_softirq_done(q, ide_softirq_done);
-
        /* assign drive queue */
        drive->queue = q;
 
        /* needs drive->queue to be set */
        ide_toggle_bounce(drive, 1);
 
-       /* enable led activity for disk drives only */
-       if (drive->media == ide_disk && hwif->led_act)
-               blk_queue_activity_fn(q, hwif->led_act, drive);
-
        return 0;
 }
 
@@ -1034,7 +1009,7 @@ static int ide_init_queue(ide_drive_t *drive)
  * and irq serialization situations.  This is somewhat complex because
  * it handles static as well as dynamic (PCMCIA) IDE interfaces.
  *
- * The SA_INTERRUPT in sa_flags means ide_intr() is always entered with
+ * The IRQF_DISABLED in sa_flags means ide_intr() is always entered with
  * interrupts completely disabled.  This can be bad for interrupt latency,
  * but anything else has led to problems on some machines.  We re-enable
  * interrupts as much as we can safely do in most places.
@@ -1120,15 +1095,15 @@ static int init_irq (ide_hwif_t *hwif)
         * Allocate the irq, if not already obtained for another hwif
         */
        if (!match || match->irq != hwif->irq) {
-               int sa = SA_INTERRUPT;
+               int sa = IRQF_DISABLED;
 #if defined(__mc68000__) || defined(CONFIG_APUS)
-               sa = SA_SHIRQ;
+               sa = IRQF_SHARED;
 #endif /* __mc68000__ || CONFIG_APUS */
 
                if (IDE_CHIPSET_IS_PCI(hwif->chipset)) {
-                       sa = SA_SHIRQ;
+                       sa = IRQF_SHARED;
 #ifndef CONFIG_IDEPCI_SHARE_IRQ
-                       sa |= SA_INTERRUPT;
+                       sa |= IRQF_DISABLED;
 #endif /* CONFIG_IDEPCI_SHARE_IRQ */
                }
 
@@ -1166,16 +1141,11 @@ static int init_irq (ide_hwif_t *hwif)
                spin_unlock_irq(&ide_lock);
        }
 
-#if !defined(__mc68000__) && !defined(CONFIG_APUS) && !defined(__sparc__)
+#if !defined(__mc68000__) && !defined(CONFIG_APUS)
        printk("%s at 0x%03lx-0x%03lx,0x%03lx on irq %d", hwif->name,
                hwif->io_ports[IDE_DATA_OFFSET],
                hwif->io_ports[IDE_DATA_OFFSET]+7,
                hwif->io_ports[IDE_CONTROL_OFFSET], hwif->irq);
-#elif defined(__sparc__)
-       printk("%s at 0x%03lx-0x%03lx,0x%03lx on irq %s", hwif->name,
-               hwif->io_ports[IDE_DATA_OFFSET],
-               hwif->io_ports[IDE_DATA_OFFSET]+7,
-               hwif->io_ports[IDE_CONTROL_OFFSET], __irq_itoa(hwif->irq));
 #else
        printk("%s at 0x%08lx on irq %d", hwif->name,
                hwif->io_ports[IDE_DATA_OFFSET], hwif->irq);
@@ -1312,10 +1282,6 @@ static void drive_release_dev (struct device *dev)
        ide_drive_t *drive = container_of(dev, ide_drive_t, gendev);
 
        spin_lock_irq(&ide_lock);
-       if (drive->devfs_name[0] != '\0') {
-               devfs_remove(drive->devfs_name);
-               drive->devfs_name[0] = '\0';
-       }
        ide_remove_drive_from_hwgroup(drive);
        kfree(drive->id);
        drive->id = NULL;
@@ -1349,12 +1315,6 @@ static void init_gendisk (ide_hwif_t *hwif)
                drive->gendev.bus = &ide_bus_type;
                drive->gendev.driver_data = drive;
                drive->gendev.release = drive_release_dev;
-               if (drive->present) {
-                       sprintf(drive->devfs_name, "ide/host%d/bus%d/target%d/lun%d",
-                               (hwif->channel && hwif->mate) ?
-                               hwif->mate->index : hwif->index,
-                               hwif->channel, unit, drive->lun);
-               }
        }
        blk_register_region(MKDEV(hwif->major, 0), MAX_DRIVES << PARTN_BITS,
                        THIS_MODULE, ata_probe, ata_lock, hwif);
@@ -1422,6 +1382,9 @@ static int hwif_init(ide_hwif_t *hwif)
 
 done:
        init_gendisk(hwif);
+
+       ide_acpi_init(hwif);
+
        hwif->present = 1;      /* success */
        return 1;
 
@@ -1454,10 +1417,19 @@ int ideprobe_init (void)
                        if (hwif->chipset == ide_unknown || hwif->chipset == ide_forced)
                                hwif->chipset = ide_generic;
                        for (unit = 0; unit < MAX_DRIVES; ++unit)
-                               if (hwif->drives[unit].present)
-                                       device_register(&hwif->drives[unit].gendev);
+                               if (hwif->drives[unit].present) {
+                                       int ret = device_register(
+                                               &hwif->drives[unit].gendev);
+                                       if (ret < 0)
+                                               printk(KERN_WARNING "IDE: %s: "
+                                                       "device_register error: %d\n",
+                                                       __FUNCTION__, ret);
+                               }
                }
        }
+       for (index = 0; index < MAX_HWIFS; ++index)
+               if (probe[index])
+                       ide_proc_register_port(&ide_hwifs[index]);
        return 0;
 }