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SubjectRe: [PATCH] firewire: ohci: do not bind to Pinnacle or Fujitsu HCI, prevent panic
I saw these mails just now and it's late.  I will check my machine and 
answer tomorrow

Best regards

Bjørn

Den 11. juli 2011 01:24, skrev Stefan Richter:
> When firewire-ohci is bound to a Pinnacle MovieBoard, eventually a
> "Register access failure" is logged and an interrupt storm or a kernel
> panic happens. https://bugzilla.kernel.org/show_bug.cgi?id=36622
>
> Until this is sorted out (if that is going to succeed at all), let's
> just prevent firewire-ohci from touching these devices.
>
> This device with link layer PCI IDs 11bd:0015 and 1394 PHY IDs
> 00000e:086613 is apparently a Fujitsu MB86613 --- hence the PHY IDs.
> Therefore, blacklist the MB86613 too (PCI IDs 10cf:200c). We only check
> the vendor ID because there is no other Fujitsu OHCI-1394 PCI device
> known besides this one.
>
> Signed-off-by: Stefan Richter<stefanr@s5r6.in-berlin.de>
> Cc:<stable@kernel.org>
> ---
> Supersedes patch "firewire: ohci: do not bind to Pinnacle cards, prevent panic"
>
> drivers/firewire/ohci.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> Index: b/drivers/firewire/ohci.c
> ===================================================================
> --- a/drivers/firewire/ohci.c
> +++ b/drivers/firewire/ohci.c
> @@ -260,6 +260,8 @@ static inline struct fw_ohci *fw_ohci(st
>
> static char ohci_driver_name[] = KBUILD_MODNAME;
>
> +#define PCI_VENDOR_ID_FUJITSU 0x10cf
> +#define PCI_VENDOR_ID_PINNACLE_SYSTEMS 0x11bd
> #define PCI_DEVICE_ID_AGERE_FW643 0x5901
> #define PCI_DEVICE_ID_JMICRON_JMB38X_FW 0x2380
> #define PCI_DEVICE_ID_TI_TSB12LV22 0x8009
> @@ -3202,6 +3204,12 @@ static int __devinit pci_probe(struct pc
> int i, err;
> size_t size;
>
> + if (dev->vendor == PCI_VENDOR_ID_FUJITSU ||
> + dev->vendor == PCI_VENDOR_ID_PINNACLE_SYSTEMS) {
> + dev_err(&dev->dev, "Controller type is not yet supported\n");
> + return -ENOSYS;
> + }
> +
> ohci = kzalloc(sizeof(*ohci), GFP_KERNEL);
> if (ohci == NULL) {
> err = -ENOMEM;
>
>
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