From: Neil Armstrong <narmstrong@baylibre.com>
To: Alexander Stein <alexander.stein@mailbox.org>,
Rob Herring <robh+dt@kernel.org>,
Kevin Hilman <khilman@baylibre.com>,
Jerome Brunet <jbrunet@baylibre.com>,
Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-amlogic@lists.infradead.org
Subject: Re: [PATCH 1/1] arm64: dts: meson: g12b: odroid-n2: Assign a fixed index to mmc devices
Date: Fri, 29 Jan 2021 09:07:45 +0100 [thread overview]
Message-ID: <8de4d82e-b9a5-f809-ea67-5527f9fdde5f@baylibre.com> (raw)
In-Reply-To: <20210127230852.66686-1-alexander.stein@mailbox.org>
Hi,
On 28/01/2021 00:08, Alexander Stein wrote:
> Recently introduced async probe on mmc devices can shuffle block IDs.
> Pin them to fixed values to ease booting in environments where UUIDs
> are not practical. Use newly introduced aliases for mmcblk devices from [1].
> [1]
> https://patchwork.kernel.org/patch/11747669/
I understand the goal, and this should be done for _all_ boards, not only the Odroid-N2.
Neil
>
> Commit message taken from commit 0011c6d18277 ("arm64: dts: rockchip: Assign a fixed index to mmc devices on rk3399 boards.")
>
> Signed-off-by: Alexander Stein <alexander.stein@mailbox.org>
> ---
> I was wondering which order I should use. Depending in your booting
> medium (SD card or eMMC) you 'want' one or the other as mmc0.
> In the end I ordered them according to the names.
>
> arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
> index 050862cd0996..2faa4da917c1 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
> @@ -13,6 +13,8 @@ / {
> aliases {
> serial0 = &uart_AO;
> ethernet0 = ðmac;
> + mmc0 = &sd_emmc_b;
> + mmc1 = &sd_emmc_c;
> };
>
> dioo2133: audio-amplifier-0 {
>
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next prev parent reply other threads:[~2021-01-29 8:08 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-27 23:08 Alexander Stein
2021-01-29 8:07 ` Neil Armstrong [this message]
2021-01-29 20:51 ` Alexander Stein
2021-02-02 0:50 ` Kevin Hilman
2021-02-02 17:03 ` [PATCH v2 1/1] arm64: dts: amlogic: " Alexander Stein
2021-02-03 19:20 ` Kevin Hilman
2021-02-03 19:28 ` [PATCH v3 " Alexander Stein
2021-02-18 18:09 ` Alexander Stein
2021-03-08 17:43 ` Kevin Hilman
2021-10-02 6:56 ` Alexander Stein
2021-10-02 8:49 ` Neil Armstrong
2021-10-02 8:54 ` Alexander Stein
2021-03-08 17:39 ` Kevin Hilman
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