Messages in this thread |  | | From | Aaron Durbin <> | Date | Mon, 9 Apr 2018 10:00:13 -0600 | Subject | Re: [PATCH 1/3] serial: 8250_early: Add earlycon support for AMD Carrizo / Stoneyridge |
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On Fri, Apr 6, 2018 at 7:47 AM, Alan Cox <gnomes@lxorguk.ukuu.org.uk> wrote: >> But we don't have the full ACPI interpreter up in the early part of >> the kernel. All these 'early' devices have their own setup/config >> which is the source of the issue. Or maybe I am wrong about the full >> interpreter and the early drivers are just not taking advantage of the >> ACPI device binding? > > In very early boot with serial console you just have to pray. No change > there. Once ACPI comes up you however have the information to populate > everything and configure correctly. > > So it should work fine except for kernel hackers trying to do early boot > debug, which is a small (but important) cornercase ?
Yes, I think we're on the same page. This patch series is trying to get the early console working correctly given the current code assumptions.
-Aaron
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