From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754869AbZAZTX5 (ORCPT ); Mon, 26 Jan 2009 14:23:57 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753363AbZAZTXX (ORCPT ); Mon, 26 Jan 2009 14:23:23 -0500 Received: from opensource.wolfsonmicro.com ([80.75.67.52]:57457 "EHLO opensource2.wolfsonmicro.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753288AbZAZTXW (ORCPT ); Mon, 26 Jan 2009 14:23:22 -0500 From: Mark Brown To: Samuel Ortiz Cc: linux-kernel@vger.kernel.org, Mark Brown Subject: [PATCH 2/2] mfd: Ensure all WM8350 IRQs are masked at startup Date: Mon, 26 Jan 2009 19:23:19 +0000 Message-Id: <1232997799-18943-2-git-send-email-broonie@opensource.wolfsonmicro.com> X-Mailer: git-send-email 1.5.6.5 In-Reply-To: <1232997799-18943-1-git-send-email-broonie@opensource.wolfsonmicro.com> References: <1232997799-18943-1-git-send-email-broonie@opensource.wolfsonmicro.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The IRQs might have been left enabled in hardware, generating spurious IRQs before the drivers have registered. Signed-off-by: Mark Brown --- drivers/mfd/wm8350-core.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c index 908284c..3024aa2 100644 --- a/drivers/mfd/wm8350-core.c +++ b/drivers/mfd/wm8350-core.c @@ -1419,6 +1419,13 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq, return ret; } + wm8350_reg_write(wm8350, WM8350_SYSTEM_INTERRUPTS_MASK, 0xFFFF); + wm8350_reg_write(wm8350, WM8350_INT_STATUS_1_MASK, 0xFFFF); + wm8350_reg_write(wm8350, WM8350_INT_STATUS_2_MASK, 0xFFFF); + wm8350_reg_write(wm8350, WM8350_UNDER_VOLTAGE_INT_STATUS_MASK, 0xFFFF); + wm8350_reg_write(wm8350, WM8350_GPIO_INT_STATUS_MASK, 0xFFFF); + wm8350_reg_write(wm8350, WM8350_COMPARATOR_INT_STATUS_MASK, 0xFFFF); + mutex_init(&wm8350->auxadc_mutex); mutex_init(&wm8350->irq_mutex); INIT_WORK(&wm8350->irq_work, wm8350_irq_worker); -- 1.5.6.5