Matthew Wilcox wrote:
@@ -18759,6 +18558,19 @@ static struct pci_device_id advansys_pci_tbl[] __devinitdata = {MODULE_DEVICE_TABLE(pci, advansys_pci_tbl); +static void __devinit advansys_set_latency(struct pci_dev *pdev)+{ + if ((pdev->device == PCI_DEVICE_ID_ASP_1200A) || + (pdev->device == PCI_DEVICE_ID_ASP_ABP940)) { + pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0); + } else { + u8 latency; + pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &latency); + if (latency < 0x20) + pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x20); + }
the latter branch is useless -- pci_set_master() ensures PCI_LATENCY_TIMER is adequate
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