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=-9.9 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1,USER_IN_DEF_DKIM_WL 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 2D86BCA9ECF for ; Mon, 4 Nov 2019 08:32:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 03694218BA for ; Mon, 4 Nov 2019 08:32:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="FZhgUCwU" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727520AbfKDIc5 (ORCPT ); Mon, 4 Nov 2019 03:32:57 -0500 Received: from mail-wr1-f66.google.com ([209.85.221.66]:33443 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727267AbfKDIc4 (ORCPT ); Mon, 4 Nov 2019 03:32:56 -0500 Received: by mail-wr1-f66.google.com with SMTP id s1so15974802wro.0 for ; Mon, 04 Nov 2019 00:32:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=XF7J+DG7tWV9RXyc1r5Ixjph12lPvVDvV5bwthUbBEI=; b=FZhgUCwUZX7igZi16yQODx8+KbkHGclBlDJjHYCZxM7KjufVHj1csQ1x5nU3ZRUFHy W6P9jDawE7Aci66askzFeHB+6ipqKGEIDPN2Ki1vkVD8jIZdzdVPPYWAaH9cUTuCQGcu mtMasHpUeWbSaJ5F7hZ/6NQ574mhrl4uqfRZE8El7uTMrRhF5gbGUZYwLU9a5kvxVE/L k4FbZTQzVozpd/OHSfrPOPT/2ZE3nmsKoaKh0pdcsjJFPZUbMDzqQKX+3+8VrIUAWPbz Dh2lV4z13F7IEOp8RrfBBB0mXD8VVMXOiUwDIV2Fvb8GQi4ZrkAH1gqu/gdbTfTKb/bR gbnw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=XF7J+DG7tWV9RXyc1r5Ixjph12lPvVDvV5bwthUbBEI=; b=ln9HUcobiSb5Lt75X9DX4pySZye0vBuK9jG0mInL2gBfp0lUkTqvoh1EaNHBBKUXAw A+ek18v2l141t0kY80CymowN6zoxJGDzlxJNuuCj/QXW9ZUi8tOjm4IkiE42ZYWLcoSW zEzdshn+NV1dFPHNTSmmN+ep91SiW7KDgKQQZhxv4qJS3cJSZoTezBBQeuvl4loq9Fxd m8BRBva2dMkXe46RInhnou4BRn2fr8Ydv0PPkGJ9ItbIYDWQcVqz+Z8qy4rAjPEbr0J9 V1fCdbjfTr7pAxZyN4R7JhPYDSbU1CFMPcYO5sUAEjPEKcw31jPbZRx7D3VW/EEe4NC2 Yqkw== X-Gm-Message-State: APjAAAUqodHaq2wgAF8viTIEQYZ2safgaFKZ4Ii/wHJ0Q9owCXhdg2/X VJSL5B2peYNQ5UsRpgnRjKT4+w== X-Google-Smtp-Source: APXvYqy3vFTV9LTgmQjmmhjTc6kU9Rr4Y6pS3SE6yuds7uL1u/ShsusG3J537rgd9MSMTZj9mf8vxA== X-Received: by 2002:adf:fd08:: with SMTP id e8mr1452202wrr.42.1572856373332; Mon, 04 Nov 2019 00:32:53 -0800 (PST) Received: from [192.168.86.166] (83-86-89-107.cable.dynamic.v4.ziggo.nl. [83.86.89.107]) by smtp.gmail.com with ESMTPSA id z13sm17303360wrm.64.2019.11.04.00.32.51 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 04 Nov 2019 00:32:52 -0800 (PST) Subject: Re: ALSA: pcm: use dma_can_mmap() to check if a device supports dma_mmap_* To: youling 257 , Takashi Iwai Cc: linux-xtensa@linux-xtensa.org, Michal Simek , Vladimir Murzin , linux-parisc@vger.kernel.org, linux-sh@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Helge Deller , x86@kernel.org, Linux Kernel Mailing List , linux-m68k@lists.linux-m68k.org, Robin Murphy , linux-arm-kernel@lists.infradead.org, hch@lst.de References: From: Greg Kroah-Hartman Message-ID: <60ee349a-1fe7-46f0-5161-1dcfcb6fbee9@google.com> Date: Mon, 4 Nov 2019 09:32:50 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US-large Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/4/19 9:27 AM, youling 257 wrote: > This driver https://android.googlesource.com/kernel/common/+/refs/heads/android-mainline/drivers/usb/gadget/function/f_audio_source.c > The driver is broken and needs to be fixed. Please feel free to submit patches to AOSP to do so as you can trigger this easily. thanks, greg k-h