From patchwork Tue Jul 31 06:13:09 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chao Xie X-Patchwork-Id: 1258061 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork1.kernel.org (Postfix) with ESMTP id DCCFC3FC1A for ; Tue, 31 Jul 2012 06:27:20 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1Sw5ru-0001ti-I8; Tue, 31 Jul 2012 06:23:46 +0000 Received: from na3sys009aog134.obsmtp.com ([74.125.149.83]) by merlin.infradead.org with smtps (Exim 4.76 #1 (Red Hat Linux)) id 1Sw5pY-0001ra-O1 for linux-arm-kernel@lists.infradead.org; Tue, 31 Jul 2012 06:21:21 +0000 Received: from MSI-MTA.marvell.com ([65.219.4.132]) (using TLSv1) by na3sys009aob134.postini.com ([74.125.148.12]) with SMTP ID DSNKUBd5Xrx07QhzCLunCo4nVzWgO5AdhPeZ@postini.com; Mon, 30 Jul 2012 23:21:20 PDT Received: from maili.marvell.com ([10.68.76.210]) by MSI-MTA.marvell.com with Microsoft SMTPSVC(6.0.3790.3959); Mon, 30 Jul 2012 23:13:03 -0700 Received: from localhost (unknown [10.38.36.110]) by maili.marvell.com (Postfix) with ESMTP id A18C14E50D; Mon, 30 Jul 2012 23:13:03 -0700 (PDT) From: Chao Xie To: haojian.zhuang@gmail.com, linux-arm-kernel@lists.infradead.org, chao.xie@marvell.com Subject: [PATCH 2/7] gpio: pxa: add chain_eneter and chain_exit for irq handler Date: Tue, 31 Jul 2012 14:13:09 +0800 Message-Id: <1343715194-25900-2-git-send-email-xiechao.mail@gmail.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1343715194-25900-1-git-send-email-xiechao.mail@gmail.com> References: <1343715194-25900-1-git-send-email-xiechao.mail@gmail.com> X-OriginalArrivalTime: 31 Jul 2012 06:13:04.0019 (UTC) FILETIME=[8B78BE30:01CD6EE3] X-Spam-Note: CRM114 invocation failed X-Spam-Note: SpamAssassin invocation failed Cc: Chao Xie X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: Chao Xie Signed-off-by: Chao Xie --- drivers/gpio/gpio-pxa.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/drivers/gpio/gpio-pxa.c b/drivers/gpio/gpio-pxa.c index 58a6a63..97ade14 100644 --- a/drivers/gpio/gpio-pxa.c +++ b/drivers/gpio/gpio-pxa.c @@ -26,6 +26,8 @@ #include #include +#include + #include /* @@ -379,6 +381,9 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irq_desc *desc) struct pxa_gpio_chip *c; int loop, gpio, gpio_base, n; unsigned long gedr; + struct irq_chip *chip = irq_desc_get_chip(desc); + + chained_irq_enter(chip, desc); do { loop = 0; @@ -398,6 +403,8 @@ static void pxa_gpio_demux_handler(unsigned int irq, struct irq_desc *desc) } } } while (loop); + + chained_irq_exit(chip, desc); } static void pxa_ack_muxed_gpio(struct irq_data *d)