From patchwork Wed Feb 19 17:50:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 11392233 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id EAD5792A for ; Wed, 19 Feb 2020 17:52:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CBF2224656 for ; Wed, 19 Feb 2020 17:52:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582134755; bh=HDn1c+OCg4Fxwj0uJTYLgnTqOgR4bEcc2OImuEKXcQg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=L9pejwiqy8uXHlOU7q1kEjlY84UJ9IfnP0N4iuVWyq3EufOWlf4kl92G/SHOMBjGb 5StgIYqodbYbIROsm2eGOuW4BPTz39XkPIfNcxTRYKo0iSMPizsfnp0JJM5l9qgE9z 5+7xGWRSZ71dcx9MynHFca7vEN0n1vV3gx1nqte0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726672AbgBSRwf (ORCPT ); Wed, 19 Feb 2020 12:52:35 -0500 Received: from mail.kernel.org ([198.145.29.99]:51852 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726539AbgBSRwf (ORCPT ); Wed, 19 Feb 2020 12:52:35 -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 6BEF824672; Wed, 19 Feb 2020 17:52:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582134754; bh=HDn1c+OCg4Fxwj0uJTYLgnTqOgR4bEcc2OImuEKXcQg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mWeABfyOQaHBfM1Tl4Rl2aedyBAE8jc2SywErFB4jyNFhmM9UdvOiGm3LE3U1nkFc 873iQ9IusUp84dBz6YY/fHsHUBu//dBjjVwQQwc5Wp4QlJOHXM0h8vQp7TnxMb2yLh vk6aSGDTtV8yJjISbJPkkW9wkktuJxNSCdZTdaOY= 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 8/9] media: fsl-viu: Constify ioreadX() iomem argument (as in generic implementation) Date: Wed, 19 Feb 2020 18:50:06 +0100 Message-Id: <20200219175007.13627-9-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-parisc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-parisc@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: Hans Verkuil --- drivers/media/platform/fsl-viu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/platform/fsl-viu.c b/drivers/media/platform/fsl-viu.c index 81a8faedbba6..991d9dc82749 100644 --- a/drivers/media/platform/fsl-viu.c +++ b/drivers/media/platform/fsl-viu.c @@ -34,7 +34,7 @@ /* Allow building this driver with COMPILE_TEST */ #if !defined(CONFIG_PPC) && !defined(CONFIG_MICROBLAZE) #define out_be32(v, a) iowrite32be(a, (void __iomem *)v) -#define in_be32(a) ioread32be((void __iomem *)a) +#define in_be32(a) ioread32be((const void __iomem *)a) #endif #define BUFFER_TIMEOUT msecs_to_jiffies(500) /* 0.5 seconds */