ide: add ide_deprecated_find_port() helper
* Factor out code for finding ide_hwifs[] slot from ide_register_hw()
to ide_deprecated_find_port().
* Convert bast-ide, ide-cs and delkin_cb host drivers to use ide_device_add()
instead of ide_register_hw() (while at it drop doing "ide_unregister()" loop
which tries to unregister _all_ IDE interfaces if useable ide_hwifs[] slot
cannot be find).
This patch leaves us with only two ide_register_hw() users:
- drivers/macintosh/mediabay.c
- drivers/ide/ide.c
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/legacy/ide-cs.c b/drivers/ide/legacy/ide-cs.c
index 2d772e2..38e87ad 100644
--- a/drivers/ide/legacy/ide-cs.c
+++ b/drivers/ide/legacy/ide-cs.c
@@ -145,13 +145,36 @@
static int idecs_register(unsigned long io, unsigned long ctl, unsigned long irq, struct pcmcia_device *handle)
{
+ ide_hwif_t *hwif;
hw_regs_t hw;
+ int i;
+ u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
+
memset(&hw, 0, sizeof(hw));
ide_init_hwif_ports(&hw, io, ctl, NULL);
hw.irq = irq;
hw.chipset = ide_pci;
hw.dev = &handle->dev;
- return ide_register_hw(&hw, &ide_undecoded_slave, NULL);
+
+ hwif = ide_deprecated_find_port(hw.io_ports[IDE_DATA_OFFSET]);
+ if (hwif == NULL)
+ return -1;
+
+ i = hwif->index;
+
+ if (hwif->present)
+ ide_unregister(i, 0, 1);
+ else if (!hwif->hold)
+ ide_init_port_data(hwif, i);
+
+ ide_init_port_hw(hwif, &hw);
+ hwif->quirkproc = &ide_undecoded_slave;
+
+ idx[0] = i;
+
+ ide_device_add(idx, NULL);
+
+ return hwif->present ? i : -1;
}
/*======================================================================