Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755636AbaAWWiR (ORCPT ); Thu, 23 Jan 2014 17:38:17 -0500 Received: from mail-ee0-f41.google.com ([74.125.83.41]:59655 "EHLO mail-ee0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750927AbaAWWiP (ORCPT ); Thu, 23 Jan 2014 17:38:15 -0500 From: Sebastian Hesselbarth To: Sebastian Hesselbarth Cc: Thomas Gleixner , Jason Cooper , Andrew Lunn , Gregory Clement , Jason Gunthorpe , Ezequiel Garcia , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/3] irqchip: orion: clear bridge cause register on init Date: Thu, 23 Jan 2014 23:38:04 +0100 Message-Id: <1390516686-2224-2-git-send-email-sebastian.hesselbarth@gmail.com> In-Reply-To: <1390516686-2224-1-git-send-email-sebastian.hesselbarth@gmail.com> References: <1390516686-2224-1-git-send-email-sebastian.hesselbarth@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It is good practice to mask and clear pending irqs on init. We already mask all irqs, so also clear the bridge irq cause register. Signed-off-by: Sebastian Hesselbarth --- Cc: Thomas Gleixner Cc: Jason Cooper Cc: Andrew Lunn Cc: Gregory Clement Cc: Jason Gunthorpe Cc: Ezequiel Garcia Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org --- drivers/irqchip/irq-orion.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/irqchip/irq-orion.c b/drivers/irqchip/irq-orion.c index e51d40031884..4137c3d15284 100644 --- a/drivers/irqchip/irq-orion.c +++ b/drivers/irqchip/irq-orion.c @@ -180,8 +180,9 @@ static int __init orion_bridge_irq_init(struct device_node *np, gc->chip_types[0].chip.irq_mask = irq_gc_mask_clr_bit; gc->chip_types[0].chip.irq_unmask = irq_gc_mask_set_bit; - /* mask all interrupts */ + /* mask and clear all interrupts */ writel(0, gc->reg_base + ORION_BRIDGE_IRQ_MASK); + writel(0, gc->reg_base + ORION_BRIDGE_IRQ_CAUSE); irq_set_handler_data(irq, domain); irq_set_chained_handler(irq, orion_bridge_irq_handler); -- 1.8.5.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/