From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpbgeu1.qq.com (smtpbgeu1.qq.com [52.59.177.22]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B9B8718EFD1; Wed, 8 Apr 2026 02:49:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=52.59.177.22 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775616597; cv=none; b=qrevyvaMdJzL7VyHiY97aCQja0R2+ZAxFkyzrtx7moO8JXQnTxO8MY3eMbxp/tUIiSiQfHAKrAM7eN2XZHAqML5lBNj5jIntk1hWYMAJpu/l2o7m/kbbuPuYZ720rbhGzxovetRZkOgqZcIvfkNECYqUSz/8kMxh0bsV4L2dYf4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775616597; c=relaxed/simple; bh=+UuM4q1vgiatpeERAXklQJO9UrZQ54OE+RX5pK9GpGw=; h=Mime-Version:Content-Type:Date:Message-Id:Subject:From:To:Cc: References:In-Reply-To; b=q3/wgpdw/mAKr5hLfMTSd2NLINlAHgd/qPx3F++XcuqXwFhFUey7YP+7nbNByNP++Y8yh/dzt3IvwMoshXMBHls0qJNEGy4f1RHq/xhuMozr/DLTbd+lsmusDgi/NhsAceDZVmzaBccOAcG1jRNI0CDC1MbYaK0OkwPFONp5qEc= ARC-Authentication-Results:i=1; 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Wed, 08 Apr 2026 10:48:11 +0800 (CST) X-QQ-SSF: 0000000000000000000000000000000 X-QQ-GoodBg: 0 X-BIZMAIL-ID: 8140302945074531097 EX-QQ-RecipientCnt: 11 Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Wed, 08 Apr 2026 10:48:11 +0800 Message-Id: Subject: Re: [RESEND][PATCH v5] mfd: simple-mfd-i2c: add a reboot cell for the SpacemiT P1 chip From: "Troy Mitchell" To: "Vincent Legoll" , , "Lee Jones" , "Yixun Lan" , , Cc: "Troy Mitchell" , "Andi Shyti" , "Yixun Lan" , , "Aurelien Jarno" X-Mailer: aerc 0.21.0-0-g5549850facc2 References: <20260401165437.1048786-3-aurelien@aurel32.net> In-Reply-To: X-QQ-SENDSIZE: 520 Feedback-ID: zesmtpsz:linux.spacemit.com:qybglogicsvrgz:qybglogicsvrgz3a-0 X-QQ-XMAILINFO: MXdazUCb/CBOkLJDmIC8M8bgAvWpoDUUVwSBSDgEz8pGQhMdR25Q2gZN X492gJrHD4HOyPINe/n+qPincr25l65Z/vtZbQ/XQA/1Jeb7mIE+Rm51JYJ7K2co9IOqI3S lSMmIpJh4WWRrmv7AN1fkZ9IfItmVccXaAXDPgHVsJeNqn2G1QM11JbicweYhPhWHNUX5NP AhwI1o8yuxBgKEmc+ZlhjGBAXyXLOC+QWbeqp5cMIfKjwDWSAR+SYoQ6jN5w/Xzfb/AgEMd Zuic+v0npbf9pD3K9/qa3u+5FqP8DdVc7QJSOaMo7JPYY3P6ubL94r6otFwQsJ1pBC8r4Io 3PKB7TuA37S43JG/1K5gV1roM01/+vsI3eluNfPNbiQdtOaIu13CVcSkJqHHEyqOluXyO4V GiQVbYFzt+KS0+JROdI0dmsPHENSya1sRifZ0gicDRnhR0g4imN02Cuu2CjvTZxLbcMs0hh eLSn8bmJ22c8Ko6B8/vvreL3lUWedAq1YBzop+LPD5iFmnd1p6v1/J84lufW3o2nLnwomQF egFSw+vg/Tuw1MKqfn1UuspYFaY1lwxBsgLbNxP9YMPby/to3aJLZtUM6bxs7x5g00/VQNq c1C6+1tYYH/C5YcynNWTiNnBmb+PwQ4e66LkyzZlEMr4XYjUVut1MPKRtN4S6XyHq6Ei7X4 bt0G83eDUB2O6E1ahqXkTTA97EobVHFZXF67BDat+Ui1HO5bTUm6preW3dqAjI5Y+Q/D7bO rwE0rrgprxD4tPFdnOam8ALoX82+TrX5OQBebsTemLtVxXLDb/UCQpz+2M8FbuYEgKZ4qoJ MxWmco3ZrBfF9Fgeubnwh6R8KPYVoJSJ9oLd5XbLFEhmrfxi+mLJJgR/z4EiO4if9rZqx1n fKkTduRhaYC7zjjMqTpUnKSSVk3e121A9sJhT7uvzyudzKVVvRe1EZOw2GQVqIIp8hBTYwy CfyVcKg9WrrjTRpo6R5H2eoiawG+GtxUjaEYhKA0VRU+LjmE8855aNMx55Y1VzVquDxH2qI yYqFr5cnsZEjzYwUAGUz0/O7I6YfJlm12oUQ7aGH/+V7ULvxfvJGQu2BBlsSDyr7yv3IiYp +wlVrSzw+wKZlrzfrNOTAq6vzYOouMpB8n3WCcEsM05h/5/U6WuCrZ8Vo3aMppjTg== X-QQ-XMRINFO: Nq+8W0+stu50tPAe92KXseR0ZZmBTk3gLg== X-QQ-RECHKSPAM: 0 On Tue Apr 7, 2026 at 5:55 AM CST, Vincent Legoll wrote: > Hi Aurelien, > > On 4/6/26 17:42, Aurelien Jarno wrote: >> On 2026-04-06 11:46, Vincent Legoll wrote: >>> Tell me if there's a new iteration to test, and/or if you want me testi= ng it >>> in a different way. >> Yes, as written in the original mail, this patchset depends on PIO >> support in the spacemit I2C driver: >> https://lore.kernel.org/lkml/20260207-b4-k3-i2c-pio-v7-2-626942d94d91@li= nux.spacemit.com/ >> >> Without it, you might get this warning message and reboot is not 100% >> reliable. I still believe it's better than no reboot support at all. > > > OK, I tested a new stack: next-20260406, PIO patchset, reset=C2=A0patchse= t=C2=A0&=20 > USB=C2=A0patchset: > > > $ git log --oneline > 5030369b32c4 (HEAD -> opirv2-pio-reset-usb) riscv: dts: spacemit: Enable= =20 > USB3.0/PCIe on OrangePi RV2 > 73274ce37441 riscv: dts: spacemit: Define the P1 PMIC regulators for=20 > OrangePi RV2 > cda12b8bdbfe riscv: dts: spacemit: Enable i2c8 adapter for OrangePi RV2 > 68ce409351c6 (opirv2-pio-reset) mfd: simple-mfd-i2c: add a reboot cell=20 > for the SpacemiT P1 chip > 245e0b8e8a91 i2c: spacemit: introduce pio for k1 > a588d756621d i2c: spacemit: move i2c_xfer_msg() > 816f193dd0d9 (tag: next-20260406, next/master, next/HEAD) Add linux-next= =20 > specific files for 20260406 > > This boots and reset properly without the previous WARN. > > So if any of those those series need added T-Bs, then here's mine: > > Tested-by: Vincent Legoll # OrangePi-RV2 I'll take this tag to my PIO patchset. Thanks! - Troy