diff options
Diffstat (limited to 'drivers/net/tg3.c')
| -rw-r--r-- | drivers/net/tg3.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index e944aac258e..a0b8848049c 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -66,8 +66,8 @@ #define DRV_MODULE_NAME "tg3" #define PFX DRV_MODULE_NAME ": " -#define DRV_MODULE_VERSION "3.30" -#define DRV_MODULE_RELDATE "June 6, 2005" +#define DRV_MODULE_VERSION "3.31" +#define DRV_MODULE_RELDATE "June 8, 2005" #define TG3_DEF_MAC_MODE 0 #define TG3_DEF_RX_MODE 0 @@ -9695,10 +9695,24 @@ static int __devinit tg3_test_dma(struct tg3 *tp) } if ((tp->dma_rwctrl & DMA_RWCTRL_WRITE_BNDRY_MASK) != DMA_RWCTRL_WRITE_BNDRY_16) { + static struct pci_device_id dma_wait_state_chipsets[] = { + { PCI_DEVICE(PCI_VENDOR_ID_APPLE, + PCI_DEVICE_ID_APPLE_UNI_N_PCI15) }, + { }, + }; + /* DMA test passed without adjusting DMA boundary, - * just restore the calculated DMA boundary + * now look for chipsets that are known to expose the + * DMA bug without failing the test. */ - tp->dma_rwctrl = saved_dma_rwctrl; + if (pci_dev_present(dma_wait_state_chipsets)) { + tp->dma_rwctrl &= ~DMA_RWCTRL_WRITE_BNDRY_MASK; + tp->dma_rwctrl |= DMA_RWCTRL_WRITE_BNDRY_16; + } + else + /* Safe to use the calculated DMA boundary. */ + tp->dma_rwctrl = saved_dma_rwctrl; + tw32(TG3PCI_DMA_RW_CTRL, tp->dma_rwctrl); } |