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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 916CC105A59F for ; Thu, 12 Mar 2026 13:46:07 +0000 (UTC) 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=ziXFSSyZzEsEf+otbNNQDsxtSOwI/vXL4GLh74rQK+I=; b=tg6QBCxD/ZwC4M 6vEQ3fKzpf2PjHnlqiCc4Sgk8hUyX9Tj/mF+UdPZFIGo62hLJ5eaIKtX9BxAsabI0YB9njCKaixOY KLIjU4nLu+nsVrDaF2/arvvA2VYJYNnb9DL965alwnoQdvWVED0+sKm82VPDsfKAUrNKNGw+0QjOd UK61jjYkWEz560e4LYsttz6Raihpng69jI/ase18kTfABziSeI13SEfkozLy3DGy59/+00Mb30cyI cdTho58zG1g7WuOg8BV6GSZ5g54M6Dx1kTeFcg8asMf1QQ36G4IfPXrmhJ5jrhcBVFTUYMeHw8eVE brEpaeC0jOlj3NqAeOpQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w0gMO-0000000E9Sq-1PCK; Thu, 12 Mar 2026 13:45:57 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w0gMM-0000000E9SY-1u5O for linux-riscv@lists.infradead.org; Thu, 12 Mar 2026 13:45:54 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id 2B29160137; Thu, 12 Mar 2026 13:45:53 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D7BC7C4CEF7; Thu, 12 Mar 2026 13:45:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1773323152; bh=T80KNNSV0km5WN2ooC4W3mCrtmJiZZqijD5j8dkhdAA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=eSO7C17Qi6Ic+1XO4k3X3C4s25h7w3l8zK6mz9mgTWGbT1/CGv3d2ttBNYlbG/Y5c jtMvLwg90ZN2yOt9iga0QdfPb1FvhC2duGvWXuXp5FdSUWL6+2qdb4Yn+BzKE/f1n8 6loEBP32nvHRqCTKLsit/lhFMJfLEAEZwTRE+rZA= Date: Thu, 12 Mar 2026 14:45:47 +0100 From: Greg KH To: LiuQingtao Cc: jirislaby@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, neil.armstrong@linaro.org, bjorn.andersson@oss.qualcomm.com, marex@nabladev.com, dev@kael-k.io, mani@kernel.org, prabhakar.mahadev-lad.rj@bp.renesas.com, linux-serial@vger.kernel.org, linux-riscv@lists.infradead.org, liu.wenhong35@zte.com.cn, liu.qingtao2@zte.com.cn, hu.yuye@zte.com.cn, dai.hualiang@zte.com.cn, deng.weixian@zte.com.cn, jia.yunxiang@zte.com.cn, bai.lu5@zte.com.cn, yang.susheng@zte.com.cn, shen.lin1@zte.com.cn, tan.hu@zte.com.cn, zuo.jiang@zte.com.cn Subject: Re: [PATCH v1 2/2] LRW UART: serial: add driver for the LRW UART Message-ID: <2026031201-dense-unrefined-7bf5@gregkh> References: <20260213093334.9217-1-qtliu@mail.ustc.edu.cn> <20260213093334.9217-3-qtliu@mail.ustc.edu.cn> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20260213093334.9217-3-qtliu@mail.ustc.edu.cn> X-BeenThere: linux-riscv@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: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org On Fri, Feb 13, 2026 at 05:33:34PM +0800, LiuQingtao wrote: > From: Wenhong Liu > > This commit introduces a serial driver for the LRW UART controller > > Key features implemented: > - Support for FIFO mode (16-byte depth) > - Baud rate configuration > - Standard asynchronous communication formats: > * Data bits: 5, 6, 7, 8, 9 bits > * Parity: odd, even, fixed, none > * Stop bits: 1 or 2 bits > - Hardware flow control (RTS/CTS) > - Multiple interrupt reporting mechanisms > > Signed-off-by: Wenhong Liu > Signed-off-by: Qingtao Liu > --- > MAINTAINERS | 3 + > drivers/tty/serial/Kconfig | 33 + > drivers/tty/serial/Makefile | 1 + > drivers/tty/serial/lrw_uart.c | 2822 ++++++++++++++++++++++++++++++ This really is a totally new uart? No relation to any existing devices at all? Why would that be created? Anyway, this doesn't seem to build properly, how was it tested? > --- a/include/uapi/linux/serial_core.h > +++ b/include/uapi/linux/serial_core.h > @@ -231,6 +231,9 @@ > /* Sunplus UART */ > #define PORT_SUNPLUS 123 > > +/* LRW UART */ > +#define PORT_LRW 124 Why is this id needed? thanks, greg k-h _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv