* If MB_CD device has already been detected and bay is in mb_up state just
  change bay's state to mb_ide_resetting and let probing thread do the rest
  instead of having open-coded waiting for IDE device to become ready in
  media_bay_set_ide_infos() and doing the probe by ide_device_add().

* Move media_bay_set_ide_infos() call after ide_device_add().

* Use check_media_bay() instead of check_media_bay_by_base(),
  then remove the latter function.

Cc: Benjamin Herrenschmidt <[EMAIL PROTECTED]>
Signed-off-by: Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]>
---
 drivers/ide/ppc/pmac.c         |   18 ++++++++----------
 drivers/macintosh/mediabay.c   |   33 +++++----------------------------
 include/asm-powerpc/mediabay.h |    1 -
 3 files changed, 13 insertions(+), 39 deletions(-)

Index: b/drivers/ide/ppc/pmac.c
===================================================================
--- a/drivers/ide/ppc/pmac.c
+++ b/drivers/ide/ppc/pmac.c
@@ -1030,10 +1030,6 @@ pmac_ide_setup_device(pmac_ide_hwif_t *p
        /* XXX FIXME: Media bay stuff need re-organizing */
        if (np->parent && np->parent->name
            && strcasecmp(np->parent->name, "media-bay") == 0) {
-#ifdef CONFIG_PMAC_MEDIABAY
-               media_bay_set_ide_infos(np->parent, pmif->regbase, pmif->irq,
-                                       hwif);
-#endif /* CONFIG_PMAC_MEDIABAY */
                pmif->mediabay = 1;
                if (!bidp)
                        pmif->aapl_bus_id = 1;
@@ -1067,19 +1063,21 @@ pmac_ide_setup_device(pmac_ide_hwif_t *p
 
        if (pmif->mediabay) {
 #ifdef CONFIG_PMAC_MEDIABAY
-               if (check_media_bay_by_base(pmif->regbase, MB_CD)) {
-#else
-               if (1) {
+               if (check_media_bay(np->parent, MB_CD) == -ENODEV)
+                       break;
 #endif
-                       hwif->drives[0].noprobe = 1;
-                       hwif->drives[1].noprobe = 1;
-               }
+               hwif->drives[0].noprobe = 1;
+               hwif->drives[1].noprobe = 1;
        }
 
        idx[0] = hwif->index;
 
        ide_device_add(idx, &d);
 
+#ifdef CONFIG_PMAC_MEDIABAY
+       media_bay_set_ide_infos(np->parent, pmif->regbase, pmif->irq, hwif);
+#endif
+
        return 0;
 }
 
Index: b/drivers/macintosh/mediabay.c
===================================================================
--- a/drivers/macintosh/mediabay.c
+++ b/drivers/macintosh/mediabay.c
@@ -433,21 +433,6 @@ int check_media_bay(struct device_node *
 EXPORT_SYMBOL(check_media_bay);
 
 #ifdef CONFIG_BLK_DEV_IDE_PMAC
-int check_media_bay_by_base(unsigned long base, int what)
-{
-       int     i;
-
-       for (i=0; i<media_bay_count; i++)
-               if (media_bays[i].mdev && base == (unsigned long) 
media_bays[i].cd_base) {
-                       if ((what == media_bays[i].content_id) && 
media_bays[i].state == mb_up)
-                               return 0;
-                       media_bays[i].cd_index = -1;
-                       return -EINVAL;
-               } 
-
-       return -ENODEV;
-}
-
 int media_bay_set_ide_infos(struct device_node* which_bay, unsigned long base,
                            int irq, ide_hwif_t *hwif)
 {
@@ -457,8 +442,6 @@ int media_bay_set_ide_infos(struct devic
                struct media_bay_info* bay = &media_bays[i];
 
                if (bay->mdev && which_bay == bay->mdev->ofdev.node) {
-                       int timeout = 5000, index = hwif->index;
-                       
                        down(&bay->lock);
 
                        bay->cd_port    = hwif;
@@ -469,18 +452,12 @@ int media_bay_set_ide_infos(struct devic
                                up(&bay->lock);
                                return 0;
                        }
-                       printk(KERN_DEBUG "Registered ide%d for media bay 
%d\n", index, i);
-                       do {
-                               if (MB_IDE_READY(i)) {
-                                       bay->cd_index   = index;
-                                       up(&bay->lock);
-                                       return 0;
-                               }
-                               mdelay(1);
-                       } while(--timeout);
-                       printk(KERN_DEBUG "Timeount waiting IDE in bay %d\n", 
i);
+
+                       /* let probing thread do the rest */
+                       bay->state = mb_ide_resetting;
+
                        up(&bay->lock);
-                       return -ENODEV;
+                       return 0;
                }
        }
 
Index: b/include/asm-powerpc/mediabay.h
===================================================================
--- a/include/asm-powerpc/mediabay.h
+++ b/include/asm-powerpc/mediabay.h
@@ -25,7 +25,6 @@ extern int media_bay_count;
 #ifdef CONFIG_BLK_DEV_IDE_PMAC
 #include <linux/ide.h>
 
-int check_media_bay_by_base(unsigned long base, int what);
 /* called by IDE PMAC host driver to register IDE controller for media bay */
 int media_bay_set_ide_infos(struct device_node *which_bay, unsigned long base,
                            int irq, ide_hwif_t *hwif);
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