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[23.128.96.18]) by mx.google.com with ESMTP id ds3si3983864ejc.545.2020.07.01.00.54.41; Wed, 01 Jul 2020 00:55:04 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=lsK7zBiH; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728469AbgGAHvy (ORCPT + 99 others); Wed, 1 Jul 2020 03:51:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45246 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728294AbgGAHvx (ORCPT ); Wed, 1 Jul 2020 03:51:53 -0400 Received: from mail-lf1-x144.google.com (mail-lf1-x144.google.com [IPv6:2a00:1450:4864:20::144]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2E402C061755 for ; Wed, 1 Jul 2020 00:51:53 -0700 (PDT) Received: by mail-lf1-x144.google.com with SMTP id u25so13051847lfm.1 for ; Wed, 01 Jul 2020 00:51:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=THSsMEdwUkIuQErJNTSneyWBjmNxLfAXVIDX4NKt1Z4=; b=lsK7zBiHNb6ChGBJ4kEzabV7KMiGLiwSMTGvcXRcsTVAcRdfAq7KHVGcId9mA+aMag V3ZkTiFnPCiQcsQjreRimXObyR1YN7YeU9t3zqhZGe6ukwB7Kabok9Pf6SsaQi0xWvWZ 9sHML1TYiKIm/bLTyTuSMsZq0cPVfycCcZg0buB3K/pY3Uqlh+rXoFHg6xrSS2bQoxFs Tmpg/aD0TaD+trri+EoYsaNu6ha1j3ul/W8MxWsTcQ0JHj+DNnoFHNvZFzXnVfRbG14x g8WJxHQlpNJQ5fGDNlHD09PSFn10YiFyi6FJMnqDqjRbrcFbDdLmDhtViOSk9S2vyrCj JVjQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=THSsMEdwUkIuQErJNTSneyWBjmNxLfAXVIDX4NKt1Z4=; b=nK/GlYiQEXzwCvuZuEstdgBmQmvK+YLYLZLtPosLsBga6ZmCO4TYkJgEaoQGG1s399 rHcGejbcPi7Maf8ge/O+o034wkhxtG11AxPENsZJoBfSFxgWaCEu/INKjZI6nwc7e8ic 6Aqwa9wEWWb/+OZcs9/l/EOX5IhG0RUhdkCW4VEGVq4ZubOj5q3JLVo0D15tyB22uypL xOM90G1om+afGoP74SJ+YNx03gNJNSW+6nX6ir9bsf78LfF4ZNqs9LY0BrrGhjzLOyAu slhVvATEXfC2XI8S7voiG470rX6DA2MX0xaJ3cgW+VBab1zXz24to62IbQo+RDJVFK4q BFXw== X-Gm-Message-State: AOAM531n6a2zfA6e2gIEUn34YCBkx5zTebb/BGankkQYnPk58z88JRR8 M+ijrENcPMGR9og15ElRHkq1qCjgsC1P4T6Usin2n604K7I= X-Received: by 2002:a19:ccd0:: with SMTP id c199mr14351117lfg.194.1593589911704; Wed, 01 Jul 2020 00:51:51 -0700 (PDT) MIME-Version: 1.0 References: <20200626005601.241022-1-megous@megous.com> <20200626005601.241022-12-megous@megous.com> In-Reply-To: <20200626005601.241022-12-megous@megous.com> From: Linus Walleij Date: Wed, 1 Jul 2020 09:51:40 +0200 Message-ID: Subject: Re: [PATCH v5 11/13] drm/panel: st7703: Assert reset prior to powering down the regulators To: Ondrej Jirman Cc: linux-sunxi , Thierry Reding , Sam Ravnborg , David Airlie , Daniel Vetter , =?UTF-8?Q?Guido_G=C3=BCnther?= , Purism Kernel Team , Rob Herring , Maxime Ripard , Chen-Yu Tsai , Icenowy Zheng , "open list:DRM PANEL DRIVERS" , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "linux-kernel@vger.kernel.org" , Linux ARM , Samuel Holland , Martijn Braam , Luca Weiss , Bhushan Shah Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jun 26, 2020 at 2:56 AM Ondrej Jirman wrote: > The reset pin is inverted, so if we don't assert reset, the actual gpio > will be high and may keep driving the IO port of the panel. > > Signed-off-by: Ondrej Jirman Reviewed-by: Linus Walleij Yours, Linus Walleij