From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751725Ab1AER5j (ORCPT ); Wed, 5 Jan 2011 12:57:39 -0500 Received: from opensource.wolfsonmicro.com ([80.75.67.52]:37128 "EHLO opensource2.wolfsonmicro.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751257Ab1AER5i (ORCPT ); Wed, 5 Jan 2011 12:57:38 -0500 From: Mark Brown To: Samuel Ortiz Cc: linux-kernel@vger.kernel.org, patches@opensource.wolfsonmicro.com, Mark Brown Subject: [PATCH] mfd: Flag WM831x /IRQ as a wake source Date: Wed, 5 Jan 2011 17:56:01 +0000 Message-Id: <1294250161-10307-1-git-send-email-broonie@opensource.wolfsonmicro.com> X-Mailer: git-send-email 1.7.2.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The WM831x can generate wake events, some unconditionally, so flag the primary IRQ as a wake source in order to help the CPU treat the /IRQ signal appropriately. Signed-off-by: Mark Brown --- drivers/mfd/wm831x-irq.c | 11 +++++++++++ 1 files changed, 11 insertions(+), 0 deletions(-) diff --git a/drivers/mfd/wm831x-irq.c b/drivers/mfd/wm831x-irq.c index ee88f6a..f7192d4 100644 --- a/drivers/mfd/wm831x-irq.c +++ b/drivers/mfd/wm831x-irq.c @@ -517,6 +517,17 @@ int wm831x_irq_init(struct wm831x *wm831x, int irq) return 0; } + /* Try to flag /IRQ as a wake source; there are a number of + * unconditional wake sources in the PMIC so this isn't + * conditional but we don't actually care *too* much if it + * fails. + */ + ret = enable_irq_wake(irq); + if (ret != 0) { + dev_warn(wm831x->dev, "Can't enable IRQ as wake source: %d\n", + ret); + } + wm831x->irq = irq; wm831x->irq_base = pdata->irq_base; -- 1.7.2.3