Message ID | 1578415992-24054-10-git-send-email-krzk@kernel.org |
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State | New |
Headers | show
Return-Path: <linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:e::133; helo=bombadil.infradead.org; envelope-from=linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=<UNKNOWN>) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="WVhsM1Ix"; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="ktJ602nr"; dkim-atps=neutral Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 47sdlg52s8z9sSL for <incoming@patchwork.ozlabs.org>; Wed, 8 Jan 2020 03:54:55 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=0v3CeEwh2X1oCV0vLTU2uWwL/ebVbkoqctriofCaxsg=; b=WVhsM1Ix9WzGjhoDXFvcuzI5MP ywIwBhToSvlmfiDfyc6CTchBkJLCQpK1eFyjbhqmGGXvE5V3BOVU9i93eLrVbBwrIYobQaCpz806z /qbL9BZiOtnos7vATzg5fGKIMPvEpmpfhoIQ806GkbFpZxEF92jzSgNeQV/JJIfD43pdlfJTU82A8 QCZ4xCjaBBra5EhPg9wPuBSGQ/qHp3UQFkHXvIpFbOL2wD8Qw4SLt4urgi5HLc70tNvb1emFL0yiz Yr0C6M9HNKL0Ifw+Ws5N+oadE5p97tWYEunsoQwrsO7PCbQwbIKcL7urslC1+ruW/agkVjUCb7BD6 JYZZkd0g==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ios86-0002RH-16; Tue, 07 Jan 2020 16:54:54 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1ios82-0002Qd-Q7 for linux-snps-arc@lists.infradead.org; Tue, 07 Jan 2020 16:54:52 +0000 Received: from PC-kkoz.proceq.com (unknown [213.160.61.66]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 95E1224677; Tue, 7 Jan 2020 16:54:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1578416090; bh=kYrH24ncGNFFYQLQ9wHiRAtooGLl8xeKtAWqiO+vhmI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ktJ602nrKO22v0uNZz36NC/2TQ72yN6ijh2qShGKTyM6sP8S4sHzrYeq95duxemBM F0Hlx7sC2SFMxEUl0tafeD+qmflFDYmaI7aUvp442eXhKcmauRa4vF7iN/d/RiSgKl +G0tMhwntosCt0ljDnAplFNWUVM/SIIt7orUHcV0= From: Krzysztof Kozlowski <krzk@kernel.org> To: Richard Henderson <rth@twiddle.net>, Ivan Kokshaysky <ink@jurassic.park.msu.ru>, Matt Turner <mattst88@gmail.com>, Alexey Brodkin <abrodkin@synopsys.com>, Vineet Gupta <vgupta@synopsys.com>, "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>, Helge Deller <deller@gmx.de>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, Paul Mackerras <paulus@samba.org>, Michael Ellerman <mpe@ellerman.id.au>, Yoshinori Sato <ysato@users.sourceforge.jp>, Rich Felker <dalias@libc.org>, Dave Airlie <airlied@redhat.com>, David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>, Ben Skeggs <bskeggs@redhat.com>, Mauro Carvalho Chehab <mchehab@kernel.org>, Jiri Slaby <jirislaby@gmail.com>, Nick Kossifidis <mickflemm@gmail.com>, Luis Chamberlain <mcgrof@kernel.org>, Kalle Valo <kvalo@codeaurora.org>, "David S. Miller" <davem@davemloft.net>, Dave Jiang <dave.jiang@intel.com>, Jon Mason <jdmason@kudzu.us>, Allen Hubbe <allenbh@gmail.com>, "Michael S. Tsirkin" <mst@redhat.com>, Jason Wang <jasowang@redhat.com>, Arnd Bergmann <arnd@arndb.de>, Andrew Morton <akpm@linux-foundation.org>, Thomas Gleixner <tglx@linutronix.de>, Geert Uytterhoeven <geert@linux-m68k.org>, 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 Subject: [RFT 07/13] drm/mgag200: Constify ioreadX() iomem argument (as in generic implementation) Date: Tue, 7 Jan 2020 17:53:06 +0100 Message-Id: <1578415992-24054-10-git-send-email-krzk@kernel.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1578415992-24054-1-git-send-email-krzk@kernel.org> References: <1578415992-24054-1-git-send-email-krzk@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200107_085450_865522_18697653 X-CRM114-Status: GOOD ( 10.89 ) X-Spam-Score: -5.2 (-----) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-5.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at https://www.dnswl.org/, high trust [198.145.29.99 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on Synopsys ARC Processors <linux-snps-arc.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-snps-arc>, <mailto:linux-snps-arc-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-snps-arc/> List-Post: <mailto:linux-snps-arc@lists.infradead.org> List-Help: <mailto:linux-snps-arc-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-snps-arc>, <mailto:linux-snps-arc-request@lists.infradead.org?subject=subscribe> Cc: Krzysztof Kozlowski <krzk@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-snps-arc" <linux-snps-arc-bounces@lists.infradead.org> Errors-To: linux-snps-arc-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org |
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iomap: Constify ioreadX() iomem argument
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diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.h b/drivers/gpu/drm/mgag200/mgag200_drv.h index aa32aad222c2..6512b3af4fb7 100644 --- a/drivers/gpu/drm/mgag200/mgag200_drv.h +++ b/drivers/gpu/drm/mgag200/mgag200_drv.h @@ -34,9 +34,9 @@ #define MGAG200FB_CONN_LIMIT 1 -#define RREG8(reg) ioread8(((void __iomem *)mdev->rmmio) + (reg)) +#define RREG8(reg) ioread8(((const void __iomem *)mdev->rmmio) + (reg)) #define WREG8(reg, v) iowrite8(v, ((void __iomem *)mdev->rmmio) + (reg)) -#define RREG32(reg) ioread32(((void __iomem *)mdev->rmmio) + (reg)) +#define RREG32(reg) ioread32(((const void __iomem *)mdev->rmmio) + (reg)) #define WREG32(reg, v) iowrite32(v, ((void __iomem *)mdev->rmmio) + (reg)) #define ATTR_INDEX 0x1fc0
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 <krzk@kernel.org> --- drivers/gpu/drm/mgag200/mgag200_drv.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)