From patchwork Tue Jan 18 03:09:08 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yu Tu X-Patchwork-Id: 12715855 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 4CE39C433F5 for ; Tue, 18 Jan 2022 03:48:24 +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:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=0534gl7FviCBChf8NRPwvH6DDAStwSwYXQrZWMi3eBY=; b=0x7G4rAy7btNE6 3MSoQPrjsoZKnz9oPcu+FEN/fMaGv65USV/I2v9JdZtExvCDs4i1Ci1Oz3KE4Eusp+4/PeGNGC4s5 NKx7IlNP/rroIuGmyFovKknEfcVFu/HTnN9hdyG8CEUk69UajDDOBctazmW0JAzPusEXF7+Yf6JXl n6eVQGA1vJ1i+jgz6Oyrnk2HTbS54pCG/Jf++7RMiPSftv1XOMJ5zHO8xB7XeBfjk4c8NVpVp0swk Cy//N7T3XP4Vg7v9o+dfUJPLRorPPOMGnas8KgqNtnf/lraObqYFlfOig+esB6lBcyzYCUrm7bIW6 /t5IM9kUEnVEwby/ovhQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1n9fTm-00HajO-S8; Tue, 18 Jan 2022 03:48:18 +0000 Received: from mail-sh.amlogic.com ([58.32.228.43]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1n9esh-00HKH5-56; Tue, 18 Jan 2022 03:10:00 +0000 Received: from droid06.amlogic.com (10.18.11.248) by mail-sh.amlogic.com (10.18.11.5) with Microsoft SMTP Server id 15.1.2176.14; Tue, 18 Jan 2022 11:09:55 +0800 From: Yu Tu To: , , , CC: Greg Kroah-Hartman , Jiri Slaby , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Yu Tu Subject: [PATCH V6 2/5] tty: serial: meson: Use devm_ioremap_resource to get register mapped memory Date: Tue, 18 Jan 2022 11:09:08 +0800 Message-ID: <20220118030911.12815-3-yu.tu@amlogic.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20220118030911.12815-1-yu.tu@amlogic.com> References: <20220118030911.12815-1-yu.tu@amlogic.com> MIME-Version: 1.0 X-Originating-IP: [10.18.11.248] X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220117_190959_237591_77BA6B59 X-CRM114-Status: UNSURE ( 8.41 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org Replace devm_request_mem_region and devm_ioremap with devm_ioremap_resource to make the code cleaner. Signed-off-by: Yu Tu Reviewed-by: Jiri Slaby --- drivers/tty/serial/meson_uart.c | 10 +--------- 1 file changed, 1 insertion(+), 9 deletions(-) diff --git a/drivers/tty/serial/meson_uart.c b/drivers/tty/serial/meson_uart.c index 6b80e41b4cc1..7570958d010c 100644 --- a/drivers/tty/serial/meson_uart.c +++ b/drivers/tty/serial/meson_uart.c @@ -720,15 +720,7 @@ static int meson_uart_probe(struct platform_device *pdev) if (!port) return -ENOMEM; - if (!devm_request_mem_region(&pdev->dev, res_mem->start, - resource_size(res_mem), - dev_name(&pdev->dev))) { - dev_err(&pdev->dev, "Memory region busy\n"); - return -EBUSY; - } - - port->membase = devm_ioremap(&pdev->dev, res_mem->start, - resource_size(res_mem)); + port->membase = devm_ioremap_resource(&pdev->dev, res_mem); if (IS_ERR(port->membase)) return PTR_ERR(port->membase);