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path: root/drivers/ide/ide-probe.c
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Diffstat (limited to 'drivers/ide/ide-probe.c')
-rw-r--r--drivers/ide/ide-probe.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 3acb1b692f8c..2395498fbc7b 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -738,24 +738,20 @@ void ide_undecoded_slave(ide_drive_t *drive1)
738 738
739EXPORT_SYMBOL_GPL(ide_undecoded_slave); 739EXPORT_SYMBOL_GPL(ide_undecoded_slave);
740 740
741/* 741static int ide_probe_port(ide_hwif_t *hwif)
742 * This routine only knows how to look for drive units 0 and 1
743 * on an interface, so any setting of MAX_DRIVES > 2 won't work here.
744 */
745static void probe_hwif(ide_hwif_t *hwif)
746{ 742{
747 unsigned long flags; 743 unsigned long flags;
748 unsigned int irqd; 744 unsigned int irqd;
749 int unit; 745 int unit;
750 746
751 if (hwif->noprobe) 747 if (hwif->noprobe)
752 return; 748 return -EACCES;
753 749
754 if ((hwif->chipset != ide_4drives || !hwif->mate || !hwif->mate->present) && 750 if ((hwif->chipset != ide_4drives || !hwif->mate || !hwif->mate->present) &&
755 (ide_hwif_request_regions(hwif))) { 751 (ide_hwif_request_regions(hwif))) {
756 printk(KERN_ERR "%s: ports already in use, skipping probe\n", 752 printk(KERN_ERR "%s: ports already in use, skipping probe\n",
757 hwif->name); 753 hwif->name);
758 return; 754 return -EBUSY;
759 } 755 }
760 756
761 /* 757 /*
@@ -804,7 +800,7 @@ static void probe_hwif(ide_hwif_t *hwif)
804 800
805 if (!hwif->present) { 801 if (!hwif->present) {
806 ide_hwif_release_regions(hwif); 802 ide_hwif_release_regions(hwif);
807 return; 803 return -ENODEV;
808 } 804 }
809 805
810 for (unit = 0; unit < MAX_DRIVES; unit++) { 806 for (unit = 0; unit < MAX_DRIVES; unit++) {
@@ -840,6 +836,8 @@ static void probe_hwif(ide_hwif_t *hwif)
840 else 836 else
841 drive->no_io_32bit = drive->id->dword_io ? 1 : 0; 837 drive->no_io_32bit = drive->id->dword_io ? 1 : 0;
842 } 838 }
839
840 return 0;
843} 841}
844 842
845#if MAX_HWIFS > 1 843#if MAX_HWIFS > 1
@@ -1311,7 +1309,7 @@ int ide_device_add_all(u8 *idx)
1311 if (idx[i] == 0xff) 1309 if (idx[i] == 0xff)
1312 continue; 1310 continue;
1313 1311
1314 probe_hwif(&ide_hwifs[idx[i]]); 1312 (void)ide_probe_port(&ide_hwifs[idx[i]]);
1315 } 1313 }
1316 1314
1317 for (i = 0; i < MAX_HWIFS; i++) { 1315 for (i = 0; i < MAX_HWIFS; i++) {