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=-6.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 6E2E9C4338F for ; Wed, 18 Aug 2021 13:28:58 +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 3BD7260F4C for ; Wed, 18 Aug 2021 13:28:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 3BD7260F4C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc: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=0S48mxs3tld3nFCJQPUbQJdLJnmIYHP4bEtz1BVexi8=; b=o5Sr5mRvTweGG9 wQXKQfwErtyFSeGrVmTzhHF/SK+8GLQIkNfGRHXzpP4HK4ZUcPtDLTWY9he429DEMSsJ7LvWIpLRk wVWsxgr0CTPEW1U8PJllyohOmi4rukmPJZMSmdVuBXIj6SyWbgcwWG3qCfmrtIzxIUSb3FG4W0H10 mkWhzo4htEQs8Az7W7d5KZWJ6kOa6xcAbaL1IhzYtxaf5ubfFaUElspYmHhY5yi0eS0iR697shqsc NSQ14AhIRe6ytAvN0v6ybVa70yUlt5tOwUE5TlCh/jtpjCJ5u+XXM1aVrvjkVSMZhSwcLf5bwxUKx dGSIvSGi5w6Z686bLGxA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mGLc5-005gwB-Kl; Wed, 18 Aug 2021 13:28:13 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mGLc2-005gv6-68 for ath10k@lists.infradead.org; Wed, 18 Aug 2021 13:28:11 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id A27EE68AFE; Wed, 18 Aug 2021 15:28:01 +0200 (CEST) Date: Wed, 18 Aug 2021 15:28:00 +0200 From: Christoph Hellwig To: Fabio Estevam Cc: Christoph Hellwig , Kalle Valo , ath10k@lists.infradead.org, Ulf Hansson , Bough Chen , linux-mmc Subject: Re: imx7: dev->coherent_dma_mask NULL warning Message-ID: <20210818132800.GA6269@lst.de> References: <20210818051128.GA8550@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210818_062810_420375_73BFBEDC X-CRM114-Status: GOOD ( 11.64 ) X-BeenThere: ath10k@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "ath10k" Errors-To: ath10k-bounces+ath10k=archiver.kernel.org@lists.infradead.org On Wed, Aug 18, 2021 at 06:31:19AM -0300, Fabio Estevam wrote: > Correct, on i.MX7 the ath10k Wifi chip connects via SDIO. > > Is there a way to avoid the WARN_ON_ONCE(!dev->coherent_dma_mask) > to happen in this case? The way to avoid it is by stoppind to use dma_alloc_attrs/coherent on a device that is not DMA capable. _______________________________________________ ath10k mailing list ath10k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath10k