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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-07-23 19:55:58 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-07-23 19:55:58 +0200 |
| commit | af1cbba37343c827e116638b097b94f5e6c38963 (patch) | |
| tree | b50a70c9372275f7ef2a6a28b49f1495933386c4 /drivers/ide/ide-probe.c | |
| parent | 6059143ae34f30bb49ec8733468315284f78e2da (diff) | |
| download | linux-af1cbba37343c827e116638b097b94f5e6c38963.tar.bz2 | |
ide: add ide_ports[]
* Add ide_ports[] table keeping pointers to all initialized ports.
* Set ide_ports[] entry for a given port in init_irq() and clear it
ide_remove_port_from_hwgroup().
* Convert init_irq() to use ide_ports[] instead of ide_hwifs[] for
grouping ports into hwgroup.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers/ide/ide-probe.c')
| -rw-r--r-- | drivers/ide/ide-probe.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 21cdd9ca14d1..482f41f3f15e 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -992,10 +992,14 @@ static void ide_port_setup_devices(ide_hwif_t *hwif) mutex_unlock(&ide_cfg_mtx); } +static ide_hwif_t *ide_ports[MAX_HWIFS]; + void ide_remove_port_from_hwgroup(ide_hwif_t *hwif) { ide_hwgroup_t *hwgroup = hwif->hwgroup; + ide_ports[hwif->index] = NULL; + spin_lock_irq(&ide_lock); /* * Remove us from the hwgroup, and free @@ -1054,8 +1058,9 @@ static int init_irq (ide_hwif_t *hwif) * Group up with any other hwifs that share our irq(s). */ for (index = 0; index < MAX_HWIFS; index++) { - ide_hwif_t *h = &ide_hwifs[index]; - if (h->hwgroup) { /* scan only initialized hwif's */ + ide_hwif_t *h = ide_ports[index]; + + if (h && h->hwgroup) { /* scan only initialized ports */ if (hwif->irq == h->irq) { hwif->sharing_irq = h->sharing_irq = 1; if (hwif->chipset != ide_pci || @@ -1109,6 +1114,8 @@ static int init_irq (ide_hwif_t *hwif) hwgroup->timer.data = (unsigned long) hwgroup; } + ide_ports[hwif->index] = hwif; + /* * Allocate the irq, if not already obtained for another hwif */ |