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Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xNsc2-0000000GhhZ-3fmS; Mon, 02 Nov 2026 14:02:14 +0000 Received: from gloria.sntech.de ([185.11.138.130]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xNsbz-0000000Ghgk-3oV5; Mon, 02 Nov 2026 14:02:13 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sntech.de; s=gloria202408; h=Content-Type:Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Reply-To; bh=L38WitxfSqxFzIlzs1i93G62+S2UwcYyS3oEsrBG3S8=; b=QFYBVzxRz9TqhAsSgdZjkgLffM xwiWRe8MKZApYOUWjyQBybEuU0nGiO1sEduE0dumhcyaJT9MUgPk1tIv/klO+J2APdop+ozo62rF2 IvuqSmZi8NMzPaiM7rmulpZpiiy2ygSDZjPs2bEpYR2zDJHIqSRJiP9Da3z3h56iULOUO5HySLcnT EOGBKglillPZ7B7jAAHjhBFwnd50YFKd9Hbb9ADpDuABBHQ1nfd8He42qSMSltzh3O/o51+YRhFHj yelLiTfbP8363g7j7/Mx+01/QReNoakEL6KOE4Jzsv3Oc5x++61QcR45C8t3FWLDg1ApQX1nC0Kl3 OMLiRYqA==; From: Heiko =?UTF-8?B?U3TDvGJuZXI=?= To: Yaozhong Li Cc: Rob Herring , linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, Yaozhong Li Subject: Re: [PATCH] arm64: dts: rockchip: enable SD UHS-I on Firefly-RK3399 Date: Mon, 02 Nov 2026 15:02:08 +0100 Message-ID: <11288903.zapYfy813O@diego> In-Reply-To: <20261101154407.3949-1-yaozhonguwl@gmail.com> References: <20260922055011.14972-1-yaozhonguwl@gmail.com> <20261101154407.3949-1-yaozhonguwl@gmail.com> X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261102_060211_968675_A299EDAF X-CRM114-Status: GOOD ( 13.01 ) X-Spam-Score: -2.1 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-5.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Hi, Am Sonntag, 1. November 2026, 16:44:07 Mitteleurop=C3=A4ische Normalzeit sc= hrieb Yaozhong Li: > Hi Heiko, >=20 > Gentle ping on this one. It still applies cleanly to current mainline. > Please let me know if you would like anything changed. to change would be the the commit message, it is way too verbose and quite confusing. Also as can be seen in wifi-module datasheets, they seem to call their main supply " VBAT - Main power voltage source input", which is vcc3v3_sys on the firefly, so the sdio block should get an appropriate vmmc-supply too. The gist for a commit message as I currently get it would be like: =3D=3D=3D=3D=3D=3D Contrary to the naming, vcc-sdio is actually the io-supply routed to the sdmmc controller - as can be seen in the schematics. The schematics also show the wifi block's VBAT main input source coming from VCC3V3_SYS and it's io-supply is the already correct vcc_1v8_s3 although the datesheet is mixing namings up a bit. Adapt the supplies for sdmmc0 and sdio accordingly and enable the sdr104 UHS mode that now becomes possible With UHS enabled sequential read goes from 22 MB/s to 60 MB/s with a 64GB SDXC card. WiFi remained associated at 5 GHz, -50 dBm, with no kernel errors. =3D=3D=3D=3D=3D=3D includes adding the correct sdio vmmc-supply. Heiko