From patchwork Fri Jun 21 12:52:18 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Philipp Zabel X-Patchwork-Id: 2762141 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id C38F69F756 for ; Fri, 21 Jun 2013 12:53:38 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id EED222012E for ; Fri, 21 Jun 2013 12:53:37 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 00BEC200F0 for ; Fri, 21 Jun 2013 12:53:37 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E96F5E65D1 for ; Fri, 21 Jun 2013 05:53:36 -0700 (PDT) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [92.198.50.35]) by gabe.freedesktop.org (Postfix) with ESMTP id 8B597E65E7 for ; Fri, 21 Jun 2013 05:52:58 -0700 (PDT) Received: from dude.hi.pengutronix.de ([10.1.0.7] helo=dude.pengutronix.de) by metis.ext.pengutronix.de with esmtp (Exim 4.72) (envelope-from ) id 1Uq0pA-0004yY-Uq; Fri, 21 Jun 2013 14:52:20 +0200 From: Philipp Zabel To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 2/2] staging: drm/imx: use generic irq chip unused field to block out invalid irqs Date: Fri, 21 Jun 2013 14:52:18 +0200 Message-Id: <1371819139-22039-3-git-send-email-p.zabel@pengutronix.de> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1371819139-22039-1-git-send-email-p.zabel@pengutronix.de> References: <1371819139-22039-1-git-send-email-p.zabel@pengutronix.de> X-SA-Exim-Connect-IP: 10.1.0.7 X-SA-Exim-Mail-From: p.zabel@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: dri-devel@lists.freedesktop.org Cc: kernel@pengutronix.de, Greg Kroah-Hartman , dri-devel@lists.freedesktop.org, Fabio Estevam X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org Errors-To: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org X-Spam-Status: No, score=-5.7 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 This depends on the patch "genirq: irqchip: Add mask to block out invalid irqs" and masks out reserved bits using the unused interrupt bitfield. Signed-off-by: Philipp Zabel --- drivers/staging/imx-drm/ipu-v3/ipu-common.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/staging/imx-drm/ipu-v3/ipu-common.c b/drivers/staging/imx-drm/ipu-v3/ipu-common.c index c135c66..b470cda 100644 --- a/drivers/staging/imx-drm/ipu-v3/ipu-common.c +++ b/drivers/staging/imx-drm/ipu-v3/ipu-common.c @@ -1129,6 +1129,16 @@ static int ipu_irq_init(struct ipu_soc *ipu) { struct irq_chip_generic *gc; struct irq_chip_type *ct; + unsigned long unused[IPU_NUM_IRQS / 32] = { + 0x400100d0, 0xffe000fd, + 0x400100d0, 0xffe000fd, + 0x400100d0, 0xffe000fd, + 0x4077ffff, 0xffe7e1fd, + 0x23fffffe, 0x8880fff0, + 0xf98fe7d0, 0xfff81fff, + 0x400100d0, 0xffe000fd, + 0x00000000, + }; int ret, i; ipu->domain = irq_domain_add_linear(ipu->dev->of_node, IPU_NUM_IRQS, @@ -1149,6 +1159,7 @@ static int ipu_irq_init(struct ipu_soc *ipu) for (i = 0; i < IPU_NUM_IRQS; i += 32) { gc = irq_get_domain_generic_chip(ipu->domain, i); gc->reg_base = ipu->cm_reg; + gc->unused = unused[i / 32]; ct = gc->chip_types; ct->chip.irq_ack = irq_gc_ack_set_bit; ct->chip.irq_mask = irq_gc_mask_clr_bit;