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=-20.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 446B5C433F5 for ; Mon, 20 Sep 2021 17:21:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2B7B76328A for ; Mon, 20 Sep 2021 17:21:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349230AbhITRW3 (ORCPT ); Mon, 20 Sep 2021 13:22:29 -0400 Received: from mail.kernel.org ([198.145.29.99]:42492 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347061AbhITRRf (ORCPT ); Mon, 20 Sep 2021 13:17:35 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 721F561A0A; Mon, 20 Sep 2021 16:59:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1632157165; bh=xT/UEm68U9gaQpYZ6KneUJvsLB3QODEWq5LuFfdQmyo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kqvuTG8rHSyquIYlPG3hDhuO/rl3L87Kmdc60vftPWjKKlrPTCX/k4l8H4qkmtAR+ FmbxrwIgoNexKm9QV+Yiw7O9aq3RIsvcGtx3xIa8BYXr3560UbuRF0O6H/sFPXq7Wn c13INk4TpHRH79AmJwfI4LfnyTD/SntOXA44/THI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Leonard Crestez , Adriana Reus , Sherry Sun , Andy Duan , Sasha Levin Subject: [PATCH 4.14 084/217] tty: serial: fsl_lpuart: fix the wrong mapbase value Date: Mon, 20 Sep 2021 18:41:45 +0200 Message-Id: <20210920163927.484903996@linuxfoundation.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210920163924.591371269@linuxfoundation.org> References: <20210920163924.591371269@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andy Duan [ Upstream commit d5c38948448abc2bb6b36dbf85a554bf4748885e ] Register offset needs to be applied on mapbase also. dma_tx/rx_request use the physical address of UARTDATA. Register offset is currently only applied to membase (the corresponding virtual addr) but not on mapbase. Fixes: 24b1e5f0e83c ("tty: serial: lpuart: add imx7ulp support") Reviewed-by: Leonard Crestez Signed-off-by: Adriana Reus Signed-off-by: Sherry Sun Signed-off-by: Andy Duan Link: https://lore.kernel.org/r/20210819021033.32606-1-sherry.sun@nxp.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/tty/serial/fsl_lpuart.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c index 3d5fe53988e5..62d1e4607912 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -2170,7 +2170,7 @@ static int lpuart_probe(struct platform_device *pdev) return PTR_ERR(sport->port.membase); sport->port.membase += sdata->reg_off; - sport->port.mapbase = res->start; + sport->port.mapbase = res->start + sdata->reg_off; sport->port.dev = &pdev->dev; sport->port.type = PORT_LPUART; ret = platform_get_irq(pdev, 0); -- 2.30.2