Andrew Patterson <andrew.patterson@xxxxxx> writes: > Add support for turning PCIe ECRC on or off > > Adds support for PCI Express transaction layer end-to-end CRC checking > (ECRC). This patch will enable/disable ECRC checking by setting/clearing > the ECRC Check Enable and/or ECRC Generation Enable bits for devices that > support ECRC. > > The ECRC setting is controlled by the "pcie_ecrc=" command-line option. If > this option is not set or is set to 'default", the enable and generation > bits are left in whatever state that firmware/BIOS sets them to. The > "off" setting turns them off, and the "on" option turns them on (if the > device supports it). Can you please expand a little bit on your motvation? Why does the kernel need to set that over the firmware? And why does it need to be a boot parameter vs some sysfs file? -Andi -- ak@xxxxxxxxxxxxxxx -- Speaking for myself only. -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
