Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9d501529b688dada3fd90d91b1517e48d5ac3e05
Commit: 9d501529b688dada3fd90d91b1517e48d5ac3e05
Parent: fbd130887a45341259cde02e134581fb3dac6e14
Author: Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]>
AuthorDate: Fri Feb 1 23:09:36 2008 +0100
Committer: Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]>
CommitDate: Fri Feb 1 23:09:36 2008 +0100
ide: make probe_hwif() return an error value
Make probe_hwif() return an error value.
While at it:
* Remove comment about MAX_DRIVES == 2 limitation (it is not special to
probe_hwif(), it is a general assumption taken by a lot of IDE code).
* Rename probe_hwif() to ide_probe_port().
Signed-off-by: Bartlomiej Zolnierkiewicz <[EMAIL PROTECTED]>
---
drivers/ide/ide-iops.c | 2 +-
drivers/ide/ide-probe.c | 16 +++++++---------
drivers/ide/pci/ns87415.c | 4 ++--
3 files changed, 10 insertions(+), 12 deletions(-)
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index 495e387..16b1f6e 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -1166,7 +1166,7 @@ EXPORT_SYMBOL(ide_do_reset);
/*
* ide_wait_not_busy() waits for the currently selected device on the hwif
- * to report a non-busy status, see comments in probe_hwif().
+ * to report a non-busy status, see comments in ide_probe_port().
*/
int ide_wait_not_busy(ide_hwif_t *hwif, unsigned long timeout)
{
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 3acb1b6..2395498 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)
EXPORT_SYMBOL_GPL(ide_undecoded_slave);
-/*
- * This routine only knows how to look for drive units 0 and 1
- * on an interface, so any setting of MAX_DRIVES > 2 won't work here.
- */
-static void probe_hwif(ide_hwif_t *hwif)
+static int ide_probe_port(ide_hwif_t *hwif)
{
unsigned long flags;
unsigned int irqd;
int unit;
if (hwif->noprobe)
- return;
+ 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;
+ return -EBUSY;
}
/*
@@ -804,7 +800,7 @@ static void probe_hwif(ide_hwif_t *hwif)
if (!hwif->present) {
ide_hwif_release_regions(hwif);
- return;
+ return -ENODEV;
}
for (unit = 0; unit < MAX_DRIVES; unit++) {
@@ -840,6 +836,8 @@ static void probe_hwif(ide_hwif_t *hwif)
else
drive->no_io_32bit = drive->id->dword_io ? 1 : 0;
}
+
+ return 0;
}
#if MAX_HWIFS > 1
@@ -1311,7 +1309,7 @@ int ide_device_add_all(u8 *idx)
if (idx[i] == 0xff)
continue;
- probe_hwif(&ide_hwifs[idx[i]]);
+ (void)ide_probe_port(&ide_hwifs[idx[i]]);
}
for (i = 0; i < MAX_HWIFS; i++) {
diff --git a/drivers/ide/pci/ns87415.c b/drivers/ide/pci/ns87415.c
index d50caa0..fc9eee9 100644
--- a/drivers/ide/pci/ns87415.c
+++ b/drivers/ide/pci/ns87415.c
@@ -229,8 +229,8 @@ static void __devinit init_hwif_ns87415 (ide_hwif_t *hwif)
#ifdef __sparc_v9__
/*
- * XXX: Reset the device, if we don't it will not respond
- * to SELECT_DRIVE() properly during first probe_hwif().
+ * XXX: Reset the device, if we don't it will not respond to
+ * SELECT_DRIVE() properly during first ide_probe_port().
*/
timeout = 10000;
outb(12, hwif->io_ports[IDE_CONTROL_OFFSET]);
-
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