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path: root/drivers/firewire/ohci.c
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Diffstat (limited to 'drivers/firewire/ohci.c')
-rw-r--r--drivers/firewire/ohci.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index 3dc2e8529a4..9815137b7c7 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -246,6 +246,15 @@ static const struct {
{PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_UNI_N_FW, QUIRK_BE_HEADERS},
};
+/* This overrides anything that was found in ohci_quirks[]. */
+static int param_quirks;
+module_param_named(quirks, param_quirks, int, 0644);
+MODULE_PARM_DESC(quirks, "Chip quirks (default = 0"
+ ", nonatomic cycle timer = " __stringify(QUIRK_CYCLE_TIMER)
+ ", reset packet generation = " __stringify(QUIRK_RESET_PACKET)
+ ", AR/selfID endianess = " __stringify(QUIRK_BE_HEADERS)
+ ")");
+
#ifdef CONFIG_FIREWIRE_OHCI_DEBUG
#define OHCI_PARAM_DEBUG_AT_AR 1
@@ -2370,6 +2379,8 @@ static int __devinit pci_probe(struct pci_dev *dev,
ohci->quirks = ohci_quirks[i].flags;
break;
}
+ if (param_quirks)
+ ohci->quirks = param_quirks;
ar_context_init(&ohci->ar_request_ctx, ohci,
OHCI1394_AsReqRcvContextControlSet);