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Message-ID: <1caa7866e2a557d2da05adee29cb8ab8fe86ea25.camel@xry111.site>
Date: Sun, 24 Sep 2023 00:33:41 +0800
From: Xi Ruoyao <xry111@...111.site>
To: Drew Fustini <dfustini@...libre.com>
Cc: Ulf Hansson <ulf.hansson@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Jisheng Zhang <jszhang@...nel.org>,
Adrian Hunter <adrian.hunter@...el.com>,
Guo Ren <guoren@...nel.org>, Fu Wei <wefu@...hat.com>,
Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>,
Conor Dooley <conor@...nel.org>,
Robert Nelson <robertcnelson@...gleboard.org>,
Jason Kridner <jkridner@...gleboard.org>,
Han Gao <gaohan@...as.ac.cn>, Icenowy Zheng <uwu@...nowy.me>,
linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org
Subject: Re: [PATCH 0/6] RISC-V: Add eMMC support for TH1520 boards
On Fri, 2023-09-22 at 09:23 -0700, Drew Fustini wrote:
> > I've tested this branch and successfully booted a rootfs on Lichee Pi 4A
> > eMMC with rootdelay=10.
> >
> > Curiously is there some way to make it work without rootdelay?
>
> Thank you for testing.
>
> This is the kernel command line that I am using on both the lpi4 and
> the ahead:
>
> root=/dev/mmcblk0p3 ro rootfstype=ext4 rootwait console=ttyS0,115200
>
> I seem to recall that before I used rootwait that there would be a VFS
> oops because mmcblk0p3 didn't exist yet.
>
> Have you tried rootwait instead of the 10 second delay?
I just tried rootwait several times and it works for me.
(When I tried it yesterday it did not work initially, so I switched to
rootdelay. I guess I'd mistyped something in the initial attempt).
--
Xi Ruoyao <xry111@...111.site>
School of Aerospace Science and Technology, Xidian University
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