Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp3305096imu; Mon, 28 Jan 2019 02:28:07 -0800 (PST) X-Google-Smtp-Source: ALg8bN6nHoy4ghdsO0VU8w5qrwtKIJVjy/xc3URgW/UyTm3tjd2XiPFzhYuIn8jnugHEKFyVKvJe X-Received: by 2002:a17:902:5a86:: with SMTP id r6mr20507835pli.301.1548671287619; Mon, 28 Jan 2019 02:28:07 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1548671287; cv=none; d=google.com; s=arc-20160816; b=guyXjkrP8HN3OOCpZS8uCEaItL0iSeT/qaPF8pkvk/9ys6KBaQmyIXAqxfm+MdnKU9 7WlGQYFcYvoFaOb/IFl+c6pCFdTRe73H3/C85/lXUIqD5qZyanDifwo7kL3MV/x08ZAd kEyH+oSe91x0dA9QE5MTp6Zk5UCNiSJFrlWEIYLiJMOIVqpt5poH7qj+fL+GBcUSvB7H a+lQQHYJXatq4YgOmOkB9u8mYucVB+6oyaRPlaYvgNZjWOjJe+Jj+xihqQAoRfVaWoDn wupZxGc3lRAD7t5ezpJ58QYmoEJsVLwSeljnkeNzBPHt+dibbss0tozdEuXtjEoJk49T /AXw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :organization:references:in-reply-to:message-id:subject:cc:to:from :date; bh=PfJyifBwzTjTsPR8TCv7Z5cEaxnsO54LIAouJogkli4=; b=EFyw/N28eRJrhEdCOvwD6/AEISxZ3e46bEs7jji6mbByIwW9R6P5KBSYG15QpUL8cg lhIdo73i14SBOmmS8K6y9TYGYgF5jmkOWyEW7dSPcj24ODFKeSuxWGABm+0AEvrOCHRD UbIPOMV0nzul8X2T8ylYJO1dvaTKAJUTLLXIkbNEVIk6wjOVhN/u7jun0uottllN9ClK OjxErKW+sTr8srcGLfBqq6hZL0agLL1BoWvULE4zr9gZzjHII1OMXuFQo/HDU5khBr2L gT2CJixyGIlVGKiqII1GRG7neRdTOkmTTMGJ742KDcvKnbOkwBOuHtG31SNOrVJ1X2Vp k1/Q== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id p9si1876726pll.63.2019.01.28.02.27.50; Mon, 28 Jan 2019 02:28:07 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726746AbfA1K1c (ORCPT + 99 others); Mon, 28 Jan 2019 05:27:32 -0500 Received: from protonic.xs4all.nl ([83.163.252.89]:39289 "EHLO protonic.nl" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726647AbfA1K1c (ORCPT ); Mon, 28 Jan 2019 05:27:32 -0500 Received: from erd987 (unknown [192.168.2.69]) by sparta (Postfix) with ESMTP id A624744A0027; Mon, 28 Jan 2019 11:28:44 +0100 (CET) Date: Mon, 28 Jan 2019 11:27:30 +0100 From: Robin van der Gracht To: Martin Kepplinger Cc: linux-mmc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, ulf.hansson@linaro.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, linux-imx@nxp.com, linux-kernel@vger.kernel.org, Martin Kepplinger Subject: Re: [PATCH v2] mmc: mxs-mmc: Introduce regulator support Message-ID: <20190128112730.0175049d@erd987> In-Reply-To: <20190128102022.1880-1-martink@posteo.de> References: <20190128102022.1880-1-martink@posteo.de> Organization: Protonic Holland X-Mailer: Claws Mail 3.17.1 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Martin, On Mon, 28 Jan 2019 11:20:22 +0100 Martin Kepplinger wrote: > From: Martin Kepplinger > > This adds support for explicitly switching the mmc's power on and off > which is needed for example for WL1837 wifi controllers. ip link set wlan0 down > doesn't turn off the VMMC regulator which leads to hangs when loading firmware. > > Tested on i.MX28. > > Signed-off-by: Martin Kepplinger > --- > > again, this isn't new. it's (rebased and simplified) > https://patchwork.kernel.org/patch/4365751/ > > Thanks Robin for your input! > > revision history > ---------------- > v1: was just a question why this hasn't gone in earlier. Not sure why it never made it. I created it for use with a wl1271 which wan't properly reset in case of a fault. Also combined with imx28. Regards, Robin van der Gracht