From patchwork Wed Feb 19 17:50:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 216447 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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, 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 82F59C18DF4 for ; Wed, 19 Feb 2020 17:52:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5F70E24670 for ; Wed, 19 Feb 2020 17:52:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582134773; bh=p4+U61rOL8UqXw+zdGS8TsO+9JmLa5Y9WBdlRelZRu8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=VmBnLq5HmWmwYEG6gXSJcesObdKhnRWWHFUWkH90z+ZjCRaj9ov1agxFG2U7CLbED DV0rfhJf9t+g/lOgSBHWKfHq3kTcCEpNHZb228TyTbym5hFs8FT8HwC+SXsmW/LGFK 67k5nUhHX/s4ErMmQQ0QHhL0JmJ7pCC9ZI8ajKsY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727206AbgBSRwu (ORCPT ); Wed, 19 Feb 2020 12:52:50 -0500 Received: from mail.kernel.org ([198.145.29.99]:52088 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726558AbgBSRwt (ORCPT ); Wed, 19 Feb 2020 12:52:49 -0500 Received: from localhost.localdomain (unknown [194.230.155.125]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id AB78B2467A; Wed, 19 Feb 2020 17:52:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582134768; bh=p4+U61rOL8UqXw+zdGS8TsO+9JmLa5Y9WBdlRelZRu8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=O8OazZxyMRidM7JJBXHHLPQaABxyydxjwKdDR5AfvFme3mNglX8t8m7XQbcjO7Q80 fuLH1inydzj4U4OQuJz8BKePXKeLovvgITXtVLPQwS8S3JtPQlrzu0nrehc1XwUIv9 FR3oL176lbNuZt7akF7YTj7Kw+33X2n8/AiGORiM= From: Krzysztof Kozlowski To: Richard Henderson , Ivan Kokshaysky , Matt Turner , Alexey Brodkin , Vineet Gupta , "James E.J. Bottomley" , Helge Deller , Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Yoshinori Sato , Rich Felker , Dave Airlie , David Airlie , Daniel Vetter , Ben Skeggs , Mauro Carvalho Chehab , Jiri Slaby , Nick Kossifidis , Luis Chamberlain , Kalle Valo , "David S. Miller" , Dave Jiang , Jon Mason , Allen Hubbe , "Michael S. Tsirkin" , Jason Wang , Arnd Bergmann , Geert Uytterhoeven , Andrew Morton , Thomas Gleixner , linux-alpha@vger.kernel.org, linux-kernel@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-sh@vger.kernel.org, dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org, linux-media@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-ntb@googlegroups.com, virtualization@lists.linux-foundation.org, linux-arch@vger.kernel.org Cc: Krzysztof Kozlowski Subject: [RESEND PATCH v2 9/9] ath5k: Constify ioreadX() iomem argument (as in generic implementation) Date: Wed, 19 Feb 2020 18:50:07 +0100 Message-Id: <20200219175007.13627-10-krzk@kernel.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200219175007.13627-1-krzk@kernel.org> References: <20200219175007.13627-1-krzk@kernel.org> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org The ioreadX() helpers have inconsistent interface. On some architectures void *__iomem address argument is a pointer to const, on some not. Implementations of ioreadX() do not modify the memory under the address so they can be converted to a "const" version for const-safety and consistency among architectures. Signed-off-by: Krzysztof Kozlowski Acked-by: Kalle Valo --- drivers/net/wireless/ath/ath5k/ahb.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/ath/ath5k/ahb.c b/drivers/net/wireless/ath/ath5k/ahb.c index 2c9cec8b53d9..8bd01df369fb 100644 --- a/drivers/net/wireless/ath/ath5k/ahb.c +++ b/drivers/net/wireless/ath/ath5k/ahb.c @@ -138,18 +138,18 @@ static int ath_ahb_probe(struct platform_device *pdev) if (bcfg->devid >= AR5K_SREV_AR2315_R6) { /* Enable WMAC AHB arbitration */ - reg = ioread32((void __iomem *) AR5K_AR2315_AHB_ARB_CTL); + reg = ioread32((const void __iomem *) AR5K_AR2315_AHB_ARB_CTL); reg |= AR5K_AR2315_AHB_ARB_CTL_WLAN; iowrite32(reg, (void __iomem *) AR5K_AR2315_AHB_ARB_CTL); /* Enable global WMAC swapping */ - reg = ioread32((void __iomem *) AR5K_AR2315_BYTESWAP); + reg = ioread32((const void __iomem *) AR5K_AR2315_BYTESWAP); reg |= AR5K_AR2315_BYTESWAP_WMAC; iowrite32(reg, (void __iomem *) AR5K_AR2315_BYTESWAP); } else { /* Enable WMAC DMA access (assuming 5312 or 231x*/ /* TODO: check other platforms */ - reg = ioread32((void __iomem *) AR5K_AR5312_ENABLE); + reg = ioread32((const void __iomem *) AR5K_AR5312_ENABLE); if (to_platform_device(ah->dev)->id == 0) reg |= AR5K_AR5312_ENABLE_WLAN0; else @@ -202,12 +202,12 @@ static int ath_ahb_remove(struct platform_device *pdev) if (bcfg->devid >= AR5K_SREV_AR2315_R6) { /* Disable WMAC AHB arbitration */ - reg = ioread32((void __iomem *) AR5K_AR2315_AHB_ARB_CTL); + reg = ioread32((const void __iomem *) AR5K_AR2315_AHB_ARB_CTL); reg &= ~AR5K_AR2315_AHB_ARB_CTL_WLAN; iowrite32(reg, (void __iomem *) AR5K_AR2315_AHB_ARB_CTL); } else { /*Stop DMA access */ - reg = ioread32((void __iomem *) AR5K_AR5312_ENABLE); + reg = ioread32((const void __iomem *) AR5K_AR5312_ENABLE); if (to_platform_device(ah->dev)->id == 0) reg &= ~AR5K_AR5312_ENABLE_WLAN0; else