From patchwork Fri Apr 22 18:06:13 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 565186 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BDD43C433F5 for ; Fri, 22 Apr 2022 18:10:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231958AbiDVSNe (ORCPT ); Fri, 22 Apr 2022 14:13:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44686 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234737AbiDVSKD (ORCPT ); Fri, 22 Apr 2022 14:10:03 -0400 Received: from relay11.mail.gandi.net (relay11.mail.gandi.net [217.70.178.231]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E47DF15B452; Fri, 22 Apr 2022 11:07:08 -0700 (PDT) Received: (Authenticated sender: miquel.raynal@bootlin.com) by mail.gandi.net (Postfix) with ESMTPSA id A08E4100002; Fri, 22 Apr 2022 18:06:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1650650792; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-type:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=CQTwgZcq4HqCPFwdxSXAHd+ul51T09kMifPhktLxBDE=; b=Yr0yFRMw1BcKoQJF907x86oadQeKZUTGkFJE9LcV+uA7kR7pbwKbrRrp15GPzrBVRy/nEI rOQao+8bIE+I/eUN/T7V+rkffPbQ992yoEWJA65lzmjRBuYMP+lgtT86K/b+H1YLC7SpL8 Mu40n6/8eN1VCfG5VAaSavvIQSMQdw240M3FHQXDeil1yXgGmafbvfJeNsICr7UKodT+9X iLf+nzhEx8becApRo71MUUU6WqzP0qhBr9/VVH0RVVdt+JlZihVJCUtHDCTzp2dOY0VFmp rgv47UptJGC+FR9fBcj4r//wgyTEd17pxPmVNckR2t8XOZpF4bQWcX+DH+XA+w== From: Miquel Raynal To: Geert Uytterhoeven , Magnus Damm , Greg Kroah-Hartman , Jiri Slaby Cc: Miquel Raynal , Andy Shevchenko , linux-renesas-soc@vger.kernel.org, linux-serial@vger.kernel.org, Milan Stevanovic , Jimmy Lalande , Pascal Eberhard , Thomas Petazzoni , Herve Codina , Clement Leger , Ilpo Jarvinen Subject: [PATCH v7 7/9] serial: 8250: dw: Move the IO accessors to 8250_dwlib.h Date: Fri, 22 Apr 2022 20:06:13 +0200 Message-Id: <20220422180615.9098-8-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220422180615.9098-1-miquel.raynal@bootlin.com> References: <20220422180615.9098-1-miquel.raynal@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org These accessors should be used instead of the regular readl/writel() helpers. In order to use them also from 8250_dw.c in this directory, move the helpers to 8250_dwlib.h There is no functional change. There is no need for declaring `struct uart_port` or even UPIO_MEM32BE which both are already included in the 8250_dwlib.h header by 8250.h. Suggested-by: Ilpo Järvinen Signed-off-by: Miquel Raynal Reviewed-by: Andy Shevchenko --- drivers/tty/serial/8250/8250_dwlib.c | 16 ---------------- drivers/tty/serial/8250/8250_dwlib.h | 16 ++++++++++++++++ 2 files changed, 16 insertions(+), 16 deletions(-) diff --git a/drivers/tty/serial/8250/8250_dwlib.c b/drivers/tty/serial/8250/8250_dwlib.c index f1fb20353612..b3df6dee9ceb 100644 --- a/drivers/tty/serial/8250/8250_dwlib.c +++ b/drivers/tty/serial/8250/8250_dwlib.c @@ -3,7 +3,6 @@ #include #include -#include #include #include #include @@ -32,21 +31,6 @@ /* Helper for FIFO size calculation */ #define DW_UART_CPR_FIFO_SIZE(a) (((a >> 16) & 0xff) * 16) -static inline u32 dw8250_readl_ext(struct uart_port *p, int offset) -{ - if (p->iotype == UPIO_MEM32BE) - return ioread32be(p->membase + offset); - return readl(p->membase + offset); -} - -static inline void dw8250_writel_ext(struct uart_port *p, int offset, u32 reg) -{ - if (p->iotype == UPIO_MEM32BE) - iowrite32be(reg, p->membase + offset); - else - writel(reg, p->membase + offset); -} - /* * divisor = div(I) + div(F) * "I" means integer, "F" means fractional diff --git a/drivers/tty/serial/8250/8250_dwlib.h b/drivers/tty/serial/8250/8250_dwlib.h index 36a839ef5d9a..b10e60a5d16a 100644 --- a/drivers/tty/serial/8250/8250_dwlib.h +++ b/drivers/tty/serial/8250/8250_dwlib.h @@ -1,6 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0+ */ /* Synopsys DesignWare 8250 library header file. */ +#include #include #include #include @@ -50,3 +51,18 @@ static inline struct dw8250_data *to_dw8250_data(struct dw8250_port_data *data) { return container_of(data, struct dw8250_data, data); } + +static inline u32 dw8250_readl_ext(struct uart_port *p, int offset) +{ + if (p->iotype == UPIO_MEM32BE) + return ioread32be(p->membase + offset); + return readl(p->membase + offset); +} + +static inline void dw8250_writel_ext(struct uart_port *p, int offset, u32 reg) +{ + if (p->iotype == UPIO_MEM32BE) + iowrite32be(reg, p->membase + offset); + else + writel(reg, p->membase + offset); +}