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[2620:137:e000::3:6]) by mx.google.com with ESMTPS id j6-20020a633c06000000b005b3e61af56esi3741964pga.121.2023.10.19.02.04.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Oct 2023 02:04:46 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:6 as permitted sender) client-ip=2620:137:e000::3:6; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b=mdTMMTOI; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:6 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by pete.vger.email (Postfix) with ESMTP id C229681904DC; Thu, 19 Oct 2023 02:04:43 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at pete.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344919AbjJSJEi (ORCPT + 99 others); Thu, 19 Oct 2023 05:04:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39350 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229998AbjJSJEh (ORCPT ); Thu, 19 Oct 2023 05:04:37 -0400 Received: from mail-qv1-xf2a.google.com (mail-qv1-xf2a.google.com [IPv6:2607:f8b0:4864:20::f2a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8CF88129; Thu, 19 Oct 2023 02:04:35 -0700 (PDT) Received: by mail-qv1-xf2a.google.com with SMTP id 6a1803df08f44-66d264e67d8so34161256d6.1; Thu, 19 Oct 2023 02:04:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1697706274; x=1698311074; darn=vger.kernel.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=tV/rPK/2j1VojJvVOgd9kGFZP0ncz1ZVYvpMG5KlT7E=; b=mdTMMTOImnqPzZ6xzERxgHzoffE3dOF2Z8XzDriyy4OCXW3WrZzRIDuvOuSjduOYLq xAuZaAaQ2cq7rpbOn5Lm354mEGi6bCJaQXGPHGUtOwqcHqTjdEEE3CKjKYZmNsIhV/Qk VVAxa8N82ITDz/jQUYqdArcDaTyHMGndHAqYRygadS2NE7/XDkB1WxSCHjdmPidiYDyH 5Bvf01LI/MEhVx53sulsa3nhzwdMo37EFuTk7fj+n6/a1PB9DOntqbaIOKv18LVDuh5N cYpfPPj2Xs21yPcl+2zjcj9QxTNJiYFY7j+HQMd1o83y3K6rh4M9w0IzQ0JtXrgh9q4e +Nng== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1697706274; x=1698311074; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=tV/rPK/2j1VojJvVOgd9kGFZP0ncz1ZVYvpMG5KlT7E=; b=tfTSrtu/QAl7RfiugvkpojGaVi7pdV4MeSuA9jQIIBVDwVtLw+VfYXMOOZhBmKNX/+ GUcDDKAwEbG1PPrggrTxfHb69cUCFE3K2Nj33hBFjTlhcubGj3oKUq3tL/Gsvbh8VgQR iAws/thutC671NqzGkSyS7CYWG5CCAvfxarSaMeMalNe2W/+fr4kptJInTUVLWzn8rEx gmYhRHU3AbrCeeqd+lM7FokDugJgb/kIor/P1LwdszxfX1FwvStYbAXWusLoYYhaSl5r gtEE70CYcPQ2sSMnoB5eYynVM4iCE/7kGCZ/XFjUAM1VUR/lcP0cnv6aHfwZV7UsI77Y taOQ== X-Gm-Message-State: AOJu0YxSPNVPdR5usBI92G6sVaNLnQACysyJ98Lif5OZEGAVDsFxspOd VDS129aHq+x8IfjxPmK6OqOiKwzGGs22a8+c9tM= X-Received: by 2002:a05:6214:21ea:b0:66d:6845:ea2d with SMTP id p10-20020a05621421ea00b0066d6845ea2dmr1871765qvj.53.1697706274596; Thu, 19 Oct 2023 02:04:34 -0700 (PDT) MIME-Version: 1.0 References: <20231018182943.18700-1-ddrokosov@salutedevices.com> <20231018182943.18700-7-ddrokosov@salutedevices.com> In-Reply-To: <20231018182943.18700-7-ddrokosov@salutedevices.com> From: Andy Shevchenko Date: Thu, 19 Oct 2023 12:03:58 +0300 Message-ID: Subject: Re: [PATCH v2 06/11] leds: aw200xx: add delay after software reset To: Dmitry Rokosov Cc: lee@kernel.org, pavel@ucw.cz, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, kernel@sberdevices.ru, rockosov@gmail.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-leds@vger.kernel.org, George Stark Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-0.6 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on pete.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (pete.vger.email [0.0.0.0]); Thu, 19 Oct 2023 02:04:44 -0700 (PDT) On Wed, Oct 18, 2023 at 9:30=E2=80=AFPM Dmitry Rokosov wrote: > > From: George Stark > > According to datasheets of aw200xx devices software reset takes at > least 1 ms so add delay after reset before issuing commands to device. For the "us" unit you chose "XXXus" style, why is "ms" different? ... > + /* according to datasheet software reset takes at least 1 ms */ Ditto. --=20 With Best Regards, Andy Shevchenko