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[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