linux-kernel - Re: [PATCH v2 20/25] tty: serial: samsung_tty: Use devm_ioremap

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Message-ID: <5d2e94bd-af24-6521-5ead-479fd7b757f1@marcan.st>
Date:   Mon, 22 Feb 2021 02:09:45 +0900
From:   Hector Martin <marcan@...can.st>
To:     Marc Zyngier <maz@...nel.org>
Cc:     Krzysztof Kozlowski <krzk@...nel.org>,
        linux-arm-kernel@...ts.infradead.org,
        Rob Herring <robh@...nel.org>, Arnd Bergmann <arnd@...nel.org>,
        Olof Johansson <olof@...om.net>,
        Mark Kettenis <mark.kettenis@...all.nl>,
        Tony Lindgren <tony@...mide.com>,
        Mohamed Mediouni <mohamed.mediouni@...amail.com>,
        Stan Skowronek <stan@...ellium.com>,
        Alexander Graf <graf@...zon.com>,
        Will Deacon <will@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Mark Rutland <mark.rutland@....com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 20/25] tty: serial: samsung_tty: Use
 devm_ioremap_resource

On 21/02/2021 23.59, Marc Zyngier wrote:
> Here's what I've been using last time I had to muck with the 4210
> stuff:
> 
> <quote>
> qemu-system-arm \
> 	-kernel arch/arm/boot/zImage -M smdkc210 \
> 	-append "console=ttySAC0,115200n8 earlycon=smh root=/dev/mmcblk0p2 rootwait" \
> 	-nographic -semihosting -smp 2 \
> 	-dtb arch/arm/boot/dts/exynos4210-smdkv310.dtb \
> 	-drive if=sd,driver=null-co -drive if=sd,driver=null-co \
> 	-drive if=sd,file=../vminstall/bullseye32/MsiKFRxxujYIkiKT.img,format=raw
> </quote>
> 
> where the last line points to a standard Debian image created
> separately.

Hah, exynos4210-smdkv310.dtb is what did it. And here I was thinking 
something with "c210" in the name would be more likely to work with qemu 
machine "smdkc210"... :-)

-- 
Hector Martin (marcan@...can.st)
Public Key: https://mrcn.st/pub