Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx> --- drivers/ide/pci/cmd640.c | 30 ++++++++++++++++++------------ 1 file changed, 18 insertions(+), 12 deletions(-) Index: b/drivers/ide/pci/cmd640.c =================================================================== --- a/drivers/ide/pci/cmd640.c +++ b/drivers/ide/pci/cmd640.c @@ -744,20 +744,21 @@ static int __init cmd640x_init(void) printk(KERN_INFO "cmd640: buggy cmd640%c interface on %s, config=0x%02x" "\n", 'a' + cmd640_chip_version - 1, bus_type, cfr); - cmd_hwif0 = &ide_hwifs[0]; - cmd_hwif1 = &ide_hwifs[1]; + cmd_hwif0 = ide_find_port(); /* * Initialize data for primary port */ - oldnoprobe = cmd_hwif0->noprobe; - ide_init_port_hw(cmd_hwif0, &hw[0]); - cmd_hwif0->noprobe = oldnoprobe; + if (cmd_hwif0) { + oldnoprobe = cmd_hwif0->noprobe; + ide_init_port_hw(cmd_hwif0, &hw[0]); + cmd_hwif0->noprobe = oldnoprobe; #ifdef CONFIG_BLK_DEV_CMD640_ENHANCED - cmd_hwif0->set_pio_mode = &cmd640_set_pio_mode; + cmd_hwif0->set_pio_mode = &cmd640_set_pio_mode; #endif /* CONFIG_BLK_DEV_CMD640_ENHANCED */ - idx[0] = cmd_hwif0->index; + idx[0] = cmd_hwif0->index; + } /* * Ensure compatibility by always using the slowest timings @@ -772,7 +773,7 @@ static int __init cmd640x_init(void) /* * Try to enable the secondary interface, if not already enabled */ - if (cmd_hwif1->noprobe) { + if (cmd_hwif1 && cmd_hwif1->noprobe) { port2 = "not probed"; } else { b = get_cmd640_reg(CNTRL); @@ -803,7 +804,7 @@ static int __init cmd640x_init(void) /* * Initialize data for secondary cmd640 port, if enabled */ - if (second_port_cmd640) { + if (second_port_cmd640 && cmd_hwif1) { oldnoprobe = cmd_hwif1->noprobe; ide_init_port_hw(cmd_hwif1, &hw[1]); cmd_hwif1->noprobe = oldnoprobe; @@ -813,7 +814,7 @@ static int __init cmd640x_init(void) idx[1] = cmd_hwif1->index; } - printk(KERN_INFO "%s: %sserialized, secondary interface %s\n", cmd_hwif1->name, + printk(KERN_INFO "cmd640: %sserialized, secondary interface %s\n", second_port_cmd640 ? "" : "not ", port2); /* @@ -823,10 +824,15 @@ static int __init cmd640x_init(void) for (index = 0; index < (2 + (second_port_cmd640 << 1)); index++) { ide_drive_t *drive; - if (index > 1) + if (index > 1) { + if (cmd_hwif1 == NULL) + continue; drive = &cmd_hwif1->drives[index & 1]; - else + } else { + if (cmd_hwif0 == NULL) + continue; drive = &cmd_hwif0->drives[index & 1]; + } #ifdef CONFIG_BLK_DEV_CMD640_ENHANCED if (drive->autotune || ((index > 1) && second_port_toggled)) { - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html