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 X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F3027C43460 for ; Thu, 20 May 2021 07:41:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D144E60FE5 for ; Thu, 20 May 2021 07:41:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230484AbhETHnC (ORCPT ); Thu, 20 May 2021 03:43:02 -0400 Received: from mo4-p01-ob.smtp.rzone.de ([85.215.255.50]:27876 "EHLO mo4-p01-ob.smtp.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229534AbhETHnA (ORCPT ); Thu, 20 May 2021 03:43:00 -0400 ARC-Seal: i=1; a=rsa-sha256; t=1621496496; cv=none; d=strato.com; s=strato-dkim-0002; b=BZJ2ojaz7EzRNPbBXf6KeBTVCa9n0us/ZnsLcbgQT5Zg/mzDhIhn/zcnDGQ13/52pz TLDEs5qImHT0evesDyYVOi43NqV/I/6KPDYvj+WkZuA1xiuZqJ0LdAYWvTlx6sUS741a 12XyYoEIZCiY9jrrVS3vv/+Dyvoqoz+8poV1u+zm9xTvz1IqRJJU7YNzGbixGBve7ZOS bPQDgPsnGdDQssHJKsQgOgbfNoxMfUXjs37gcTbpCQSu6hyBBLHH8tH+fts8RcBjE4cr G1y3XdB+x0/284eJSRWNDwkwqHqWZvLh5CdSGBPSfzKYrZDs1SQ4/urdSoyxPh+12fXD p7gg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; t=1621496496; s=strato-dkim-0002; d=strato.com; h=In-Reply-To:References:Message-ID:Subject:Cc:To:From:Date:Cc:Date: From:Subject:Sender; bh=/AB8rpzWcGGrvWhsgbSoWj2+H6i9d45l8uVGIOA0RAI=; b=cdTA9oxqBfz6CXyYqNOp5OTgu4I+ca6lEoS9I9qadsBz2aOmUrOsNITsQOodqlk3nH NJ3p38RGFtN2gM7fBV4nojXOKV1Ux09M0ClfsHHtP/hh5ZDdfxdUuHdqomoFyjFLljB9 q2ETnUBFlVuRihj2iLL+c6fvKqxZxVCqcPWnmS3puYwmDVPzYExrPswX4Zps77Btveq4 BeYlT/MKjvhRcyArVRxO8aCejI3mtesQ7OYQU/+7ChHnFg5lFhVD4KSjjAO4Y+q8Tp3c 4qt6xcFL/7ocxDaXvat1f7XTdJsh9XnznBkHzJ+Ab4ESkjk5Gs+8EpPfnI+WqFZQWNmY 560A== ARC-Authentication-Results: i=1; strato.com; dkim=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1621496496; s=strato-dkim-0002; d=gerhold.net; h=In-Reply-To:References:Message-ID:Subject:Cc:To:From:Date:Cc:Date: From:Subject:Sender; bh=/AB8rpzWcGGrvWhsgbSoWj2+H6i9d45l8uVGIOA0RAI=; b=iyLpKJEs6v8QsGMhEn73OPCITDSHGQy5shXqJq8FccU39QzJJaqkgNpF9MJ+OWbfIE a/pmDpPjnY+odCaRmgIKL2L913S4D4ERxc2cOnRoXpHOFfR249BEXcq4q99yOv6UVQ1H dMb13c0ApzCkCmcY9MCKE93pfvaNO2FZGoFnLQymUJgZ3Bv3I6Zfun/hw+02hLP4cB6z gCVUuREmjB29sI53FQYICnCyihmDQnc3l3R2PLaHJKnUzEJKKLAvumkPUxXBLLGKeXHV GXwwYsX2v+2H5Z8ge4JhGv84Zu8u/2Z51KBdXdHW8gOLay8V37m12DQCPvRCPF32DXZf aDdg== Authentication-Results: strato.com; dkim=none X-RZG-AUTH: ":P3gBZUipdd93FF5ZZvYFPugejmSTVR2nRPhVOQ/OcYgojyw4j34+u26zEodhPgRDZ8j6IcfMBg==" X-RZG-CLASS-ID: mo00 Received: from gerhold.net by smtp.strato.de (RZmta 47.26.1 DYNA|AUTH) with ESMTPSA id 400bd8x4K7fZ0Rw (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256 bits)) (Client did not present a certificate); Thu, 20 May 2021 09:41:35 +0200 (CEST) Date: Thu, 20 May 2021 09:41:31 +0200 From: Stephan Gerhold To: Krzysztof Kozlowski Cc: Bongsu Jeon , "David S. Miller" , Jakub Kicinski , Rob Herring , linux-nfc@lists.01.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht Subject: Re: [linux-nfc] Re: [PATCH 2/2] nfc: s3fwrn5: i2c: Enable optional clock from device tree Message-ID: References: <20210518133935.571298-1-stephan@gerhold.net> <20210518133935.571298-2-stephan@gerhold.net> <8b14159f-dca9-a213-031f-83ab2b3840a4@canonical.com> <10b3a50e-877c-d5b1-3e35-e5dff4ef53d8@canonical.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <10b3a50e-877c-d5b1-3e35-e5dff4ef53d8@canonical.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, May 19, 2021 at 11:58:38AM -0400, Krzysztof Kozlowski wrote: > > > > Personally, I just skip all firmware/RF configuration (which works thanks > > to commit 4fb7b98c7be3 ("nfc: s3fwrn5: skip the NFC bootloader mode")). > > That way, S3FWRN5 just continues using the proper configuration > > that was loaded by the vendor drivers at some point. :) > > But isn't that configuration lost after power off? > I don't know exactly but I don't think it's lost. At least the firmware and rfreg configuration seem to be preserved since I've never provided the driver with the necessary firmware. It just works without :) Stephan