From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793436944; b=mKoItaE76dUyKN22/6JZcTC2xO+MNvCk3H0/d65T2eBqHR+76eyQuqUID+odDyhe9Mbq +Iy3CyYYHiIiG6cgV+cpaINV67Zx2f20IxzNTY5qC+QnqF+jtvFFyR8yjaW9job6/b+eB +21jL9R9rAsZvCuq+pvCbc34bg2yXyzERz3MkWhkn3ViWIguvAvz1SJZ+wlJk+b/T1G4M fqn+SZ83D9RqeN1yjAF/iNxD0N6Y7MYI5OUjz3I2f27VcAFfW+gEzgQPv0zdYq9a04ZPK OZe13MXmYK4xgskEwr9amZ40hggGAZpsWpPqmBVUFT8kMdXUcN0aQYXCyWTFXfsUr4A== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793436944; h=Received:DKIM-Signature:Date:From:To:Cc:Subject:Message-ID: References:MIME-Version:Content-Type:Content-Disposition:In-Reply-To; bh=7+0xxUCm+JAA4R+1UjiixWGXTAcQgz34PoPN0EUYKGI=; b=QTP3CGuJtSKt2zL3jufJh2SD+699+5N/5TWmcsNbSoU3Jqk6ILkCmvjP5Ro3oi/a2OA4 BMU8TT079bl1TeJOVWMajf7yl/P9GK6bIR+f7vMDonrSZV2qIh/Cp9HiWNfgCV7nkoktq yVN/JGZf+PMF+Y4VGjoMHPaXsDutJu2c5hP5kv9LBofCNun9iO1kxWjxinCdMxwejG6Ur UqgpdFzKoJIEZ7mn88UWzVzmsk8C05rUNeREYdQ2tIT9zpEAQ++5D2631fe0QEr0qFm0V bnnHMo4ZVlGbCOfIvkj2ibpvTicZ1JJCoxLDRvhqgUjltRY17xGtP6m5BlW+eYiRzyA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=JybzRn8A; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A4BD1606A31C; Sat, 31 Oct 2026 08:55:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=JybzRn8A Received: by smtp.kernel.org (Postfix) with ESMTPSA id 09E2D1F000C1; Sat, 31 Oct 2026 08:55:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1793436944; bh=7+0xxUCm+JAA4R+1UjiixWGXTAcQgz34PoPN0EUYKGI=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=JybzRn8AU1UtqT7hy6d++pSNxVef0x2zRWQofb9oLd98WIIKWK3ujvqLgOLwPQ++a nWemPKiXZuh7tYupnBNYQX3VxQJe3YBi79jMGjhyqS3gP52w2G9acpyBB35yyPEskz 86DcrESvkNy12oG38c30QYod3pVZu90Iy92JEMGM= Date: Sat, 31 Oct 2026 09:55:34 +0100 From: Greg Kroah-Hartman To: Samarth Narang Cc: Jiri Slaby , Russell King , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , linux-serial@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [BUG] serial: amba-pl011, imx, fsl_lpuart: ->flush_buffer() unmaps the TX DMA buffer before the transfer has stopped Message-ID: <2026103106-pessimist-brisket-25b7@gregkh> References: <20261031005425.3351240-1-samarth.colleges@gmail.com> X-Mailing-List: linux-serial@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261031005425.3351240-1-samarth.colleges@gmail.com> On Sat, Oct 31, 2026 at 12:54:25AM +0000, Samarth Narang wrote: > I have compile-tested candidate patches for amba-pl011 and > fsl_lpuart using this general approach. I can send them for review, > or adapt them if the maintainers prefer a different synchronization > strategy. Please always just send patches, you do not need "permission" to do so. thanks, greg k-h