On Mon, Feb 22, 2021 at 04:47:22PM +0100, Nicolas Saenz Julienne wrote: > [2] Things might get even weirder as the order in which the 32bit operations > are performed might matter (low/high vs high/low). Note that arm32 does not provide writeq() very purposely because it is device specific whether writing high-then-low or low-then-high is the correct approach. See linux/io-64-nonatomic-*.h -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!