Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759006Ab2EPCdt (ORCPT ); Tue, 15 May 2012 22:33:49 -0400 Received: from mail-yx0-f174.google.com ([209.85.213.174]:52765 "EHLO mail-yx0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758965Ab2EPCdq (ORCPT ); Tue, 15 May 2012 22:33:46 -0400 From: Robert Lee To: kernel@pengutronix.de Cc: shawn.guo@linaro.org, u.kleine-koenig@pengutronix.de, richard.zhao@freescale.com, amit.kucheria@linaro.org, daniel.lezcano@linaro.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linaro-dev@lists.linaro.org, patches@linaro.org, jj@chaosbits.net Subject: [PATCH v4 2/7] ARM: imx: Add comments to tzic_enable_waker() Date: Tue, 15 May 2012 21:33:31 -0500 Message-Id: <1337135616-8988-3-git-send-email-rob.lee@linaro.org> X-Mailer: git-send-email 1.7.10 In-Reply-To: <1337135616-8988-1-git-send-email-rob.lee@linaro.org> References: <1337135616-8988-1-git-send-email-rob.lee@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1076 Lines: 31 Add additional comments to the tzic_enable_wake() funciton to clarify its intended usage. Signed-off-by: Robert Lee --- arch/arm/plat-mxc/tzic.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/plat-mxc/tzic.c b/arch/arm/plat-mxc/tzic.c index 98308ec..a45dbea 100644 --- a/arch/arm/plat-mxc/tzic.c +++ b/arch/arm/plat-mxc/tzic.c @@ -190,6 +190,10 @@ void __init tzic_init_irq(void __iomem *irqbase) * tzic_enable_wake() - enable wakeup interrupt * * @return 0 if successful; non-zero otherwise + * + * This function provides an interrupt synchronization point that is required + * by tzic enabled platforms before entering imx specific low power modes (ie, + * those low power modes beyond the WAIT_CLOCKED basic ARM WFI only mode). */ int tzic_enable_wake(void) { -- 1.7.10 -- 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/