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=-3.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, USER_AGENT_MUTT autolearn=ham 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 ECFB2C282C3 for ; Thu, 24 Jan 2019 15:30:16 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id BCA2B218A2 for ; Thu, 24 Jan 2019 15:30:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="nWme9psi" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BCA2B218A2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=atomide.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ifDsZcZgpHTurvJEdR9GjKhnvSDCoonYQV7+hgEbUGU=; b=nWme9psiVd0dCA LIXzImbYlqKVxgWKDdSnvE8sVUdyKIYHSUG3Uj+3QmNpYu/2aQwsxtLXIUZqMT7qbO/B0RxP9Kz5O QeIho78qlVr9Pf5P5nlHkQBy536yA78N2uPSdZAj4OcrqAycz4XXQYr7QZOWg3+Pv/XayVr029SGg RDgeZCYA2I3ry9/NkpnBf+jaZR/oj3W5O18QoW6tt94SoCZo1TGuiDkw1Jjp2u3F7iAXrPchsJSUl rsFNZr75VFb1hDhc1yZ37hrPyr4DPL+Y0oEX2Jxe4F63kqAKI/F/UdOYfa9c+PYozJBkVmlcXorz/ VXo/uQ1Fgr6SAfEv+I4w==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gmgxJ-0003YU-Am; Thu, 24 Jan 2019 15:30:13 +0000 Received: from muru.com ([72.249.23.125]) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gmgwd-0002Ik-J3 for linux-arm-kernel@lists.infradead.org; Thu, 24 Jan 2019 15:29:32 +0000 Received: from atomide.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTPS id 71D4D80C3; Thu, 24 Jan 2019 15:29:37 +0000 (UTC) Date: Thu, 24 Jan 2019 07:29:26 -0800 From: Tony Lindgren To: Jan Kiszka Subject: Re: [PATCH v2] arm64: dts: zcu100-revC: Give wifi some time after power-on Message-ID: <20190124152926.GM5720@atomide.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.11.2 (2019-01-07) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190124_072931_664973_5F4C3C1E X-CRM114-Status: UNSURE ( 8.42 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Ulf Hansson , Ryan Grachek , linux-wireless@vger.kernel.org, Linux Kernel Mailing List , Wei Xu , Michal Simek , "Reizer, Eyal" , John Stultz , Kalle Valo , Valentin Schneider , linux-arm-kernel Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org * Jan Kiszka [190124 08:29]: > From: Jan Kiszka > > Somewhere along recent changes to power control of the wl1831, power-on > became very unreliable on the Ultra96, failing like this: > > wl1271_sdio: probe of mmc2:0001:1 failed with error -16 > wl1271_sdio: probe of mmc2:0001:2 failed with error -16 > > After playing with some dt parameters and comparing to other users of > this chip, it turned out we need some power-on delay to make things > stable again. In contrast to those other users which define 200 ms, > Ultra96 is already happy with 10 ms. Good to hear this got sorted out, thanks everybody. Acked-by: Tony Lindgren _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel