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From: Nishanth Menon <nm@ti.com>
To: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Tero Kristo <kristo@kernel.org>, Rob Herring <robh+dt@kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>,
	Bao Cheng Su <baocheng.su@siemens.com>,
	Chao Zeng <chao.zeng@siemens.com>
Subject: Re: [PATCH v2 1/4] arm64: dts: ti: k3-am65: Flip mmc device ordering
Date: Wed, 8 Sep 2021 00:48:44 -0500	[thread overview]
Message-ID: <20210908054844.7ym3flo6f2pryd2x@unplug> (raw)
In-Reply-To: <674ccec8-c972-a32b-6722-922bf3c55abd@siemens.com>

On 07:25-20210908, Jan Kiszka wrote:
> On 08.09.21 04:44, Nishanth Menon wrote:
> > On 18:37-20210907, Jan Kiszka wrote:
> >> From: Jan Kiszka <jan.kiszka@siemens.com>
> >>
> >> This ensures that the SD card will remain mmc0 across devices with and
> >> without eMMC.
> >>
> >> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
> >> ---
> >>  arch/arm64/boot/dts/ti/k3-am65.dtsi | 2 ++
> >>  1 file changed, 2 insertions(+)
> >>
> >> diff --git a/arch/arm64/boot/dts/ti/k3-am65.dtsi b/arch/arm64/boot/dts/ti/k3-am65.dtsi
> >> index a9fc1af03f27..785d931a2dd9 100644
> >> --- a/arch/arm64/boot/dts/ti/k3-am65.dtsi
> >> +++ b/arch/arm64/boot/dts/ti/k3-am65.dtsi
> >> @@ -31,6 +31,8 @@ aliases {
> >>  		i2c4 = &main_i2c2;
> >>  		i2c5 = &main_i2c3;
> >>  		ethernet0 = &cpsw_port1;
> >> +		mmc0 = &sdhci1;
> >> +		mmc1 = &sdhci0;
> > 
> > Jan,
> > 
> > Responding in context of [1]. Suggestion from Aswath is to do the
> > following instead at SoC level:
> > +		mmc0 = &sdhci0;
> > +		mmc1 = &sdhci1;
> > 
> 
> Then I will leave this up to you and will go back to v1 of this patch
> (as we require it the other way around).

Could you elaborate on the rationale as to why the other way around?
That would probably provide the reasoning to override the SoC generic
definitions in the board dts/dtsi as the exception case.

-- 
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3  1A34 DDB5 849D 1736 249D

  reply	other threads:[~2021-09-08  5:48 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-07 16:37 [PATCH v2 0/4] arm64: dts: Update IOT2050 boards Jan Kiszka
2021-09-07 16:37 ` [PATCH v2 1/4] arm64: dts: ti: k3-am65: Flip mmc device ordering Jan Kiszka
2021-09-08  2:44   ` Nishanth Menon
2021-09-08  5:25     ` Jan Kiszka
2021-09-08  5:48       ` Nishanth Menon [this message]
2021-09-08  6:06         ` Jan Kiszka
2021-09-07 16:38 ` [PATCH v2 2/4] arm64: dts: ti: iot2050: Disable SR2.0-only PRUs Jan Kiszka
2021-09-07 16:38 ` [PATCH v2 3/4] arm64: dts: ti: iot2050: Prepare for adding 2nd-generation boards Jan Kiszka
2021-09-07 16:38 ` [PATCH v2 4/4] arm64: dts: ti: iot2050: Add support for product generation 2 boards Jan Kiszka

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