Devicetree
 help / color / mirror / Atom feed
From: Nishanth Menon <nm@ti.com>
To: Bhavya Kapoor <b-kapoor@ti.com>
Cc: <robh+dt@kernel.org>, <krzysztof.kozlowski+dt@linaro.org>,
	<linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>, <vigneshr@ti.com>,
	<piyali_g@ti.com>
Subject: Re: [PATCH v2] arm64: dts: ti: k3-j721e-main: Remove ti,strobe-sel property
Date: Thu, 17 Nov 2022 01:26:35 -0600	[thread overview]
Message-ID: <20221117072635.k4fmjqcnw3kcjrc4@precinct> (raw)
In-Reply-To: <20221116091652.112620-1-b-kapoor@ti.com>

On 14:46-20221116, Bhavya Kapoor wrote:
> According to latest errata of J721e [1], HS400 mode is not supported
> in MMCSD0 subsystem (i2024) .  Speed modes supported has been already
			     ^^ space before "."

btw, "The MMCSD peripherals do not support the Multimedia Card HS400
mode." is the exact text of the erratum. Even though it applies to
instance 0. I think minor rewording will probably help people from
running to search for which specific instances.

> updated in commit eb8f6194e807 ("arm64: dts: ti: k3-j721e-main: Update the speed modes supported and their itap delay values for MMCSD subsystems")

Please format this correctly.

> but it missed dropping 'ti,strobe-sel' property which is
> only required by HS400 speed mode.
> 
> Thus, drop 'ti,strobe-sel' property from kernel dtsi for J721e SoC.
> 
> [1] https://www.ti.com/lit/er/sprz455/sprz455.pdf
> 
> Fixes: eb8f6194e807 ("arm64: dts: ti: k3-j721e-main: Update the speed modes supported and their itap delay values for MMCSD subsystems")
> Signed-off-by: Bhavya Kapoor <b-kapoor@ti.com>
> ---
> 
> Changelog v1 -> v2 :
> 	- Updated Commit Message based on what Nishanth Menon has told
> 		in https://lore.kernel.org/all/20221115034324.6qpxl2774bzwbl3t@acorn/
> 
>  arch/arm64/boot/dts/ti/k3-j721e-main.dtsi | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
> index 917c9dc99efa..e4748a838d83 100644
> --- a/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
> @@ -1094,7 +1094,6 @@
>  		ti,itap-del-sel-mmc-hs = <0xa>;
>  		ti,itap-del-sel-ddr52 = <0x3>;
>  		ti,trm-icp = <0x8>;
> -		ti,strobe-sel = <0x77>;
>  		dma-coherent;
>  	};
>  
> -- 
> 2.20.1
> 

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

  reply	other threads:[~2022-11-17  7:26 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-16  9:16 [PATCH v2] arm64: dts: ti: k3-j721e-main: Remove ti,strobe-sel property Bhavya Kapoor
2022-11-17  7:26 ` Nishanth Menon [this message]
2022-12-30  5:13   ` Bhavya Kapoor

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20221117072635.k4fmjqcnw3kcjrc4@precinct \
    --to=nm@ti.com \
    --cc=b-kapoor@ti.com \
    --cc=devicetree@vger.kernel.org \
    --cc=krzysztof.kozlowski+dt@linaro.org \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=piyali_g@ti.com \
    --cc=robh+dt@kernel.org \
    --cc=vigneshr@ti.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox