On 05/19/2014 05:36 AM, Arnd Bergmann wrote: > > My feeling is that all devices we can think of fall into at least one > of these categories: > > * legacy PC stuff that needs only byte access > * PCI devices that can be accessed through sysfs > * devices on x86 that can be accessed using iopl > I don't believe PCI I/O space devices can be accessed through sysfs, but perhaps I'm wrong? (mmapping I/O space is not portable.) -hpa -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html