From patchwork Mon Sep 13 13:14:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 510575 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=-19.1 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, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 27957C433F5 for ; Mon, 13 Sep 2021 14:15:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 14D4F60F92 for ; Mon, 13 Sep 2021 14:15:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344564AbhIMOQu (ORCPT ); Mon, 13 Sep 2021 10:16:50 -0400 Received: from mail.kernel.org ([198.145.29.99]:34374 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344991AbhIMOOr (ORCPT ); Mon, 13 Sep 2021 10:14:47 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id E9E596140F; Mon, 13 Sep 2021 13:43:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1631540627; bh=nibPKkH7s7lwEXlvCg+oa6kq6B5U/Up3QxyGtVMvwek=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nRAxCx7s0b8fxatIPwKGfWHR2N2Lss3szDlHZnYQLEzBgZXQR6KcFQAkMa5SVG9iy qzqS4VJpMXIqJgtB1ORK649e/vutc6KRIjeB6E8dFbAro987h+0SVm0No0QELjT1UQ uDmv6bI9UuYAnzLL/MSbHdNUKOmaINMaGbwvDFSU= 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 5.13 237/300] tty: serial: fsl_lpuart: fix the wrong mapbase value Date: Mon, 13 Sep 2021 15:14:58 +0200 Message-Id: <20210913131117.362948216@linuxfoundation.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210913131109.253835823@linuxfoundation.org> References: <20210913131109.253835823@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@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 0d7ea144a4a6..1ed4e33cc8cf 100644 --- a/drivers/tty/serial/fsl_lpuart.c +++ b/drivers/tty/serial/fsl_lpuart.c @@ -2595,7 +2595,7 @@ 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; sport->devtype = sdata->devtype;