diff options
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/pata_legacy.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c index 7d59ffbe6f0a..c3e6592712c4 100644 --- a/drivers/ata/pata_legacy.c +++ b/drivers/ata/pata_legacy.c @@ -71,6 +71,10 @@ module_param(probe_all, int, 0); MODULE_PARM_DESC(probe_all, "Set to probe tertiary+ ISA port ranges even if PCI"); +static int probe_mask = ~0; +module_param(probe_mask, int, 0); +MODULE_PARM_DESC(probe_mask, "Probe mask for legacy ISA PATA ports"); + static int autospeed; module_param(autospeed, int, 0); MODULE_PARM_DESC(autospeed, "Chip present that snoops speed changes"); @@ -199,6 +203,8 @@ static int legacy_probe_add(unsigned long port, unsigned int irq, free = lp; /* Matching port, or the correct slot for ordering */ if (lp->port == port || legacy_port[i] == port) { + if (!(probe_mask & 1 << i)) + return -1; free = lp; break; } |