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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 D54C1C47080 for ; Tue, 1 Jun 2021 14:55:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B64C9611CB for ; Tue, 1 Jun 2021 14:55:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234256AbhFAO52 (ORCPT ); Tue, 1 Jun 2021 10:57:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60492 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233924AbhFAO51 (ORCPT ); Tue, 1 Jun 2021 10:57:27 -0400 Received: from mail-wr1-x42a.google.com (mail-wr1-x42a.google.com [IPv6:2a00:1450:4864:20::42a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9DF45C061574 for ; Tue, 1 Jun 2021 07:55:44 -0700 (PDT) Received: by mail-wr1-x42a.google.com with SMTP id c5so3489326wrq.9 for ; Tue, 01 Jun 2021 07:55:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to; bh=fLxy2iSD/5MnaT4nIO5iGSkQ6bLVBOzjqCDmtpnS/jo=; b=YKbTWsWSSDFVBeYgEii7BPOB2yvfS/i1MPHuLpCZABdFyDQXZ2cAaT/ox7cjTG7Xx1 9mhYyWJPLE2lg0bnI+/O5GtZ4IpYMKIuzPphRc2/R24lXkObnkDNWE1ySjHap1I/OfEM odCJLh+EtmREg+fKvTCwsML+Ldqh+nFx0TwYdYlboQIid/5f8DId/o5eRUDz4cqelE1g I4aj4IGGo02CzdPeQZnx846WAvO1nlZUzYjEz7pNWbGXpepuEL2umJN5PEqSBArMRhMp qZl/qxOcWxB2ulxPHgon81lrOzHCmnDBevxAbE5yeaQ3xG2Rol/V6PME5qH9uVbNPWFb Ys9g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to; bh=fLxy2iSD/5MnaT4nIO5iGSkQ6bLVBOzjqCDmtpnS/jo=; b=frV+ykG/Gyx22lmYE2Yx5MZ/02Gvyf5B7ad83Sb4zuD492VfJ0GXW8l04psavB55uC zD1UUuQlIVU65/PcVIM61H+6ixRpw6Zj3LpJUqS9GqFVXDxvqv9oaYjwTrmH8HZMzSnC VxbmK4xkrXvfQlYBvZFs04i67I8TgclV9n7gKwRMozB4pZf6OP3jE7tHzD61X4qx+zXL HXEnxS6v1MphhXXGGNllazffaSBwkUmaYnMWXtWP0kHLspwrRBQqI33YjFJ2Kz/pzszA H9zZsg97Nez/46XsaK6QUqVtymI5FKU32Bm+Ld1mHyqayzG3dXIeO2t1hgneIGld1ffF Kcgw== X-Gm-Message-State: AOAM531DnhSq2Go6vCPbCEkGzXuAuQP9W3XW8efKURlyj6Yz1qM8+hiN evPyPXzMZ/4xm/cClHzAE9ugfA== X-Google-Smtp-Source: ABdhPJwlNUaz71BiaAIgsLuvmQ6I5YX1jsdRxW7f7MC8W0Nu84kyL2c6LCsUWdrALoOE3RfoSm4z3w== X-Received: by 2002:a5d:6405:: with SMTP id z5mr16962858wru.39.1622559343225; Tue, 01 Jun 2021 07:55:43 -0700 (PDT) Received: from dell ([91.110.221.249]) by smtp.gmail.com with ESMTPSA id 31sm4007364wrc.96.2021.06.01.07.55.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Jun 2021 07:55:42 -0700 (PDT) Date: Tue, 1 Jun 2021 15:55:40 +0100 From: Lee Jones To: Tony Lindgren Cc: linux-kernel@vger.kernel.org, Carl Philipp Klemm , Ivan Jelincic , Merlijn Wajer , Pavel Machek , Sebastian Reichel , "Sicelo A . Mhlongo" Subject: Re: [PATCH] mfd: cpcap: Fix cpcap dmamask not set warnings Message-ID: <20210601145540.GM543307@dell> References: <20210522051001.53060-1-tony@atomide.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20210522051001.53060-1-tony@atomide.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 22 May 2021, Tony Lindgren wrote: > We have started to get a bunch of pointless dmamask not set warnings > that makes the output of dmesg -l err,warn hard to read with many > extra warnings: > > cpcap-regulator cpcap-regulator.0: DMA mask not set > cpcap_adc cpcap_adc.0: DMA mask not set > cpcap_battery cpcap_battery.0: DMA mask not set > cpcap-charger cpcap-charger.0: DMA mask not set > cpcap-pwrbutton cpcap-pwrbutton.0: DMA mask not set > cpcap-led cpcap-led.0: DMA mask not set > cpcap-led cpcap-led.1: DMA mask not set > cpcap-led cpcap-led.2: DMA mask not set > cpcap-led cpcap-led.3: DMA mask not set > cpcap-led cpcap-led.4: DMA mask not set > cpcap-rtc cpcap-rtc.0: DMA mask not set > cpcap-usb-phy cpcap-usb-phy.0: DMA mask not set > > This seems to have started with commit 4d8bde883bfb ("OF: Don't set > default coherent DMA mask"). We have the parent SPI controller use > DMA, while CPCAP driver and it's children do not. For audio, the > DMA is handled over I2S bus with the McBSP driver. > > Cc: Carl Philipp Klemm > Cc: Ivan Jelincic > Cc: Merlijn Wajer > Cc: Pavel Machek > Cc: Sebastian Reichel > Cc: Sicelo A. Mhlongo > Signed-off-by: Tony Lindgren > --- > drivers/mfd/motorola-cpcap.c | 4 ++++ > 1 file changed, 4 insertions(+) Applied, thanks. -- Lee Jones [李琼斯] Senior Technical Lead - Developer Services Linaro.org │ Open source software for Arm SoCs Follow Linaro: Facebook | Twitter | Blog