[PATCH 13/15] ide: move handling of I/O resources out of ide_probe_port()

Bartlomiej Zolnierkiewicz
2008-01-04T21:17:42Z

Reserve/release I/O resources in ide_device_add_all() instead of
ide_probe_port().

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
drivers/ide/ide-probe.c | 23 ++++++++++++-----------
1 file changed, 12 insertions(+), 11 deletions(-)

Index: b/drivers/ide/ide-probe.c
===================================================================
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -747,13 +747,6 @@ static int ide_probe_port(ide_hwif_t *hw
if (hwif->noprobe)
return -EACCES;

- if ((hwif->chipset != ide_4drives || !hwif->mate || !hwif->mate->present) &&
- (ide_hwif_request_regions(hwif))) {
- printk(KERN_ERR "%s: ports already in use, skipping probe\n",
- hwif->name);
- return -EBUSY;
- }
-
/*
* We must always disable IRQ, as probe_for_drive will assert IRQ, but
* we'll install our IRQ driver much later...
@@ -798,10 +791,8 @@ static int ide_probe_port(ide_hwif_t *hw
if (irqd)
enable_irq(irqd);

- if (!hwif->present) {
- ide_hwif_release_regions(hwif);
+ if (!hwif->present)
return -ENODEV;
- }

for (unit = 0; unit < MAX_DRIVES; unit++) {
ide_drive_t *drive = &hwif->drives[unit];
@@ -1309,7 +1300,17 @@ int ide_device_add_all(u8 *idx)
if (idx[i] == 0xff)
continue;

- (void)ide_probe_port(&ide_hwifs[idx[i]]);
+ hwif = &ide_hwifs[idx[i]];
+
+ if ((hwif->chipset != ide_4drives || !hwif->mate ||
+ !hwif->mate->present) && ide_hwif_request_regions(hwif)) {
+ printk(KERN_ERR "%s: ports already in use, "
+ "skipping probe\n", hwif->name);
+ continue;
+ }
+
+ if (ide_probe_port(hwif) < 0)
+ ide_hwif_release_regions(hwif);
}

for (i = 0; i < MAX_HWIFS; i++) {