From mboxrd@z Thu Jan 1 00:00:00 1970 From: Philipp Zabel 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> References: <1371819139-22039-1-git-send-email-p.zabel@pengutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: 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) In-Reply-To: <1371819139-22039-1-git-send-email-p.zabel@pengutronix.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org To: linux-arm-kernel@lists.infradead.org Cc: kernel@pengutronix.de, Greg Kroah-Hartman , dri-devel@lists.freedesktop.org, Fabio Estevam List-Id: dri-devel@lists.freedesktop.org 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; -- 1.8.3.1