From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 93BD7606A31A for ; Sat, 31 Oct 2026 08:55:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=XwhfMO6E; dkim=pass (1024-bit key, unprotected) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=JybzRn8A DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Unsubscribe-Post:List-Owner; bh=7+0xxUCm+JAA4R+1UjiixWGXTAcQgz34PoPN0EUYKGI=; b=XwhfMO6E2JA8YwEXGsqy1xCwLg Fra0QASAcXJ+Ft3qfbP/8+9+VffY1ITN9r9Y7TShsph2H04kQZnOKEb+Iq5k02O8e4cxWOCgSn0r+ f/N5K4jgexcViynDeqRiwGqWWwYO+D0qMTSDOYH19gID+LFZafNCtCS9SHrMhUKgbfcw90qnxYMA7 bdssrwIucrvDxSciiwA/yuon9WpobpwGJnkdHAjSKnqPoMx+bmZgIomzdBQiMbc/jnvh2+6w4wiRE +U0VJL3zoDwzrGEQy3wZDxPG6Xz0WKAeZpTriFkY8dpfsDrM1c9VGJFKQap3bFTMUIttyiM8ztg6G vDUSzZwQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xN4sM-0000000D6Hv-3yji; Sat, 31 Oct 2026 08:55:46 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xN4sL-0000000D6Hg-1mYN for linux-arm-kernel@lists.infradead.org; Sat, 31 Oct 2026 08:55:45 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id 8397F600E4; Sat, 31 Oct 2026 08:55:44 +0000 (UTC) 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-Archived-By: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261031005425.3351240-1-samarth.colleges@gmail.com> X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-5.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 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