On 12/03/2015 03:47 AM, Graeme Gregory wrote: > On Thu, Dec 03, 2015 at 09:54:43AM +0800, yankejian wrote: >> Add support for getting the PHY devices on an MDIO bus by ACPI. >> Currently many of the ethernet drivers are open coding a solution >> for reading data out of ACPI to find the correct PHY device. >> This patch implements a set of common routines are similar to of_mdio.c >> > > The general conclusion for the ACPI on ARM64 discussion so far has been that > things like PHYs should be setup by the firmware before the kernel takes > control. > > I am unsure that this doing it the same way as DT with a different > description language is the way to go. > > Graeme I have to agree with Graeme: if this is supposed to be an arm64 server using ACPI, please make sure the PHYs/clocks/regulators are set up properly before passing control to the kernel. That's the consensus so far on how this is to be done. This also looks to be using _DSD in ACPI, which is another topic that's still under discussion. What does the ASL look like for these PHYs, as used in this patch? -- ciao, al ----------------------------------- Al Stone Software Engineer Red Hat, Inc. ahs3@xxxxxxxxxx ----------------------------------- -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
