diff options
| author | Len Brown <len.brown@intel.com> | 2009-09-19 00:11:26 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2009-09-19 00:11:26 -0400 |
| commit | c602c65b2f81d14456771d1e3f15d1381f4b7efa (patch) | |
| tree | f1f833c8dd6c1519eeb101be32f7fe54a9605af5 /drivers/firewire/ohci.c | |
| parent | 3834f47291df475be3f0f0fb7ccaa098967cc054 (diff) | |
| parent | 78f28b7c555359c67c2a0d23f7436e915329421e (diff) | |
Merge branch 'linus' into sfi-release
Conflicts:
arch/x86/kernel/setup.c
drivers/acpi/power.c
init/main.c
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/firewire/ohci.c')
| -rw-r--r-- | drivers/firewire/ohci.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index ecddd11b797a..76b321bb73f9 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -34,6 +34,7 @@ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/pci.h> +#include <linux/pci_ids.h> #include <linux/spinlock.h> #include <linux/string.h> @@ -2372,6 +2373,9 @@ static void ohci_pmac_off(struct pci_dev *dev) #define ohci_pmac_off(dev) #endif /* CONFIG_PPC_PMAC */ +#define PCI_VENDOR_ID_AGERE PCI_VENDOR_ID_ATT +#define PCI_DEVICE_ID_AGERE_FW643 0x5901 + static int __devinit pci_probe(struct pci_dev *dev, const struct pci_device_id *ent) { @@ -2422,6 +2426,16 @@ static int __devinit pci_probe(struct pci_dev *dev, version = reg_read(ohci, OHCI1394_Version) & 0x00ff00ff; ohci->use_dualbuffer = version >= OHCI_VERSION_1_1; + /* dual-buffer mode is broken if more than one IR context is active */ + if (dev->vendor == PCI_VENDOR_ID_AGERE && + dev->device == PCI_DEVICE_ID_AGERE_FW643) + ohci->use_dualbuffer = false; + + /* dual-buffer mode is broken */ + if (dev->vendor == PCI_VENDOR_ID_RICOH && + dev->device == PCI_DEVICE_ID_RICOH_R5C832) + ohci->use_dualbuffer = false; + /* x86-32 currently doesn't use highmem for dma_alloc_coherent */ #if !defined(CONFIG_X86_32) /* dual-buffer mode is broken with descriptor addresses above 2G */ |