| From | Linus Walleij <> | Date | Thu, 11 Mar 2021 00:11:22 +0100 | Subject | Re: [RFT PATCH v3 25/27] tty: serial: samsung_tty: Add earlycon support for Apple UARTs |
| |
On Thu, Mar 4, 2021 at 10:42 PM Hector Martin <marcan@marcan.st> wrote:
> Earlycon support is identical to S3C2410, but Apple SoCs also need > MMIO mapped as nGnRnE. This is handled generically for normal drivers > including the normal UART path here, but earlycon uses fixmap and > runs before that scaffolding is ready. > > Since this is the only case where we need this fix, it makes more > sense to do it here in the UART driver instead of introducing a > whole fdt nonposted-mmio resolver just for earlycon/fixmap. > > Suggested-by: Arnd Bergmann <arnd@arndb.de> > Signed-off-by: Hector Martin <marcan@marcan.st>
This is as elegant as it gets! Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Yours, Linus Walleij
|