Re: [PATCH v4 1/1] printk: fix zero-valued printk timestamps in early boot
Geert Uytterhoeven <[email protected]> Tue, 28 Apr 2026 15:27:27 +0200
| Newsgroups | org.kernel.vger.linux-embedded,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <CAMuHMdWCyNO6p9C20hfDkezA2wm3yU8xaxaNOZ2JiXtGL71MmQ@mail.gmail.com> |
Hi Andrew, On Tue, 28 Apr 2026 at 13:17, Andrew Murray <[email protected]> wrote: > I've tested this on my PocketBeagle2... > That shows nearly a second of boot time prior to timestamps. In this > case it's due to a slow console as it's using earlycon > ("earlycon=ns16550a,mmio32,0x02860000"), without that I get: "earlycon" (no parameters) should be sufficient, once you have added the missing serial console speed to chosen/stdout-path in arch/arm64/boot/dts/ti/k3-am62-pocketbeagle2.dts. BeaglePlay already has it: https://elixir.bootlin.com/linux/v7.0.1/source/arch/arm64/boot/dts/ti/k3-am625-beagleplay.dts#L44 Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected] In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds