From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B0D5AC433F5 for ; Thu, 17 Mar 2022 21:46:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230400AbiCQVrv (ORCPT ); Thu, 17 Mar 2022 17:47:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41186 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230349AbiCQVrr (ORCPT ); Thu, 17 Mar 2022 17:47:47 -0400 Received: from mail-pl1-x630.google.com (mail-pl1-x630.google.com [IPv6:2607:f8b0:4864:20::630]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 04579190E90 for ; Thu, 17 Mar 2022 14:46:30 -0700 (PDT) Received: by mail-pl1-x630.google.com with SMTP id e13so5565579plh.3 for ; Thu, 17 Mar 2022 14:46:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=4nG1tjL8NLMsT4cMgggdZFwaJZ01TiYbAaXgC6uFDB0=; b=LshajC2/xAr2200yH3KNZOFjlWNSOShPGCyj+JvOZlsPXiXdfNYvHCsJmCx9wYXKWU 1xbGadWUjt6wR82iYphWGcVUpnqF1AHTmD7X/qcs8F1nJAxiFkVv5qZWhRJ/VAeOkzse KCZydwVP5PxIHu+aZMT4mWdVcqMwmDGY4efBM= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=4nG1tjL8NLMsT4cMgggdZFwaJZ01TiYbAaXgC6uFDB0=; b=U+2S+Lo6Lf5+RfldsXfmr/sFJ0kyGvNoOKr3+ZBKpE7uhwgpGZVWKm+6Qi9d+RR6qz AgESbGegMZvgM+jRC85DzA+SNj6v7/koI98rFB+ULSS0aa89vJqV7cLBoGXwBhNkwWSe 78Ypsw0fcrsOfwXDXJJYximUDiyNQI6m9Tkf3chaEGfDsB1h7jsmws3KLLvKjI27ydq7 5dS3jbj/fMg9ecoD95zX+LdjmyAyjVPV7Ym+5e7b1V3NpIVdYscY4qgvCQFoqKU/s/cY 9yHeCmETLu/4yS7uw236GnOGwL+uERd8BbvU3GMiMwgdDrk5patSwQqzkvREQGb4Ms/h lvBw== X-Gm-Message-State: AOAM531pBBpD+kh4huU1j0Y0ae8+iWs4ttRtayRmubA/iwJpb/6iFH0I OLDkipigrgLFrQ+PVBf6GW/VaTaU5VQRiA== X-Google-Smtp-Source: ABdhPJz4qlnmPCz+FBLPosA30YBgzzO1nOPfvrAYzZv2zyeVEcZnwOe+NpoMwJLbpb6lrP1paknYYQ== X-Received: by 2002:a17:902:c40e:b0:151:a83a:540c with SMTP id k14-20020a170902c40e00b00151a83a540cmr6960279plk.10.1647553589534; Thu, 17 Mar 2022 14:46:29 -0700 (PDT) Received: from localhost ([2620:15c:202:201:ae74:932d:af6a:6079]) by smtp.gmail.com with UTF8SMTPSA id h22-20020a056a001a5600b004f7c17b291asm7718766pfv.87.2022.03.17.14.46.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 17 Mar 2022 14:46:29 -0700 (PDT) Date: Thu, 17 Mar 2022 14:46:27 -0700 From: Matthias Kaehlcke To: Stephen Boyd Cc: Benson Leung , linux-kernel@vger.kernel.org, chrome-platform@lists.linux.dev, Guenter Roeck , Douglas Anderson , Craig Hesling , Tom Hughes , Alexandru M Stan , Tzung-Bi Shih Subject: Re: [PATCH v2 3/3] platform/chrome: cros_ec_spi: Boot fingerprint processor during probe Message-ID: References: <20220317005814.2496302-1-swboyd@chromium.org> <20220317005814.2496302-4-swboyd@chromium.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20220317005814.2496302-4-swboyd@chromium.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Mar 16, 2022 at 05:58:14PM -0700, Stephen Boyd wrote: > Add gpio control to this driver so that the fingerprint device can be > booted if the BIOS isn't doing it already. This eases bringup of new > hardware as we don't have to wait for the BIOS to be ready, supports > kexec where the GPIOs may not be configured by the previous boot stage, > and is all around good hygiene because we control GPIOs for this device > from the device driver. > > Cc: Guenter Roeck > Cc: Douglas Anderson > Cc: Craig Hesling > Cc: Tom Hughes > Cc: Alexandru M Stan > Cc: Tzung-Bi Shih > Signed-off-by: Stephen Boyd Reviewed-by: Matthias Kaehlcke