* 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@xxxxxxxxx>
---
drivers/ide/ide-probe.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
Index: b/drivers/ide/ide-probe.c
===================================================================
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -994,10 +994,14 @@ static void ide_port_setup_devices(ide_h
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
@@ -1056,8 +1060,9 @@ 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 ||
@@ -1111,6 +1116,8 @@ 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
*/
--
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