From patchwork Sat Apr 18 16:30:25 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Heiko_St=C3=BCbner?= X-Patchwork-Id: 6237311 Return-Path: X-Original-To: patchwork-linux-rockchip@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id E68759F313 for ; Sat, 18 Apr 2015 16:30:53 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 33D752034A for ; Sat, 18 Apr 2015 16:30:53 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 63C03200DB for ; Sat, 18 Apr 2015 16:30:52 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1YjVds-0002hV-0n; Sat, 18 Apr 2015 16:30:52 +0000 Received: from gloria.sntech.de ([95.129.55.99]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1YjVdp-0002et-Uh for linux-rockchip@lists.infradead.org; Sat, 18 Apr 2015 16:30:50 +0000 Received: from ip92344031.dynamic.kabel-deutschland.de ([146.52.64.49] helo=diego.localnet) by gloria.sntech.de with esmtpsa (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.80) (envelope-from ) id 1YjVdS-0001kR-If; Sat, 18 Apr 2015 18:30:26 +0200 From: Heiko =?ISO-8859-1?Q?St=FCbner?= To: Mark Yao Subject: [PATCH 2/2] drm/rockchip: make irq variable signed Date: Sat, 18 Apr 2015 18:30:25 +0200 Message-ID: <6744862.JhM2B9tICl@diego> User-Agent: KMail/4.14.1 (Linux/3.16.0-4-amd64; KDE/4.14.2; x86_64; ; ) In-Reply-To: <10285799.2mSMxzijmr@diego> References: <10285799.2mSMxzijmr@diego> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150418_093050_182736_6D0CB2D7 X-CRM114-Status: UNSURE ( 7.04 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.0 (/) Cc: David Airlie , linux-rockchip@lists.infradead.org, David Binderman , djkurtz@chromium.org, dri-devel@lists.freedesktop.org X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP platform_get_irq() can return negative error values and we already test for these. Therefore the variable holding this value should be signed to not loose error values. Reported-by: David Binderman Signed-off-by: Heiko Stuebner Reviewed-By: Daniel Kurtz --- drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index ccb0ce0..bde1c1e 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -104,7 +104,7 @@ struct vop { /* lock vop irq reg */ spinlock_t irq_lock; - unsigned int irq; + int irq; /* vop AHP clk */ struct clk *hclk;