From patchwork Mon Oct 8 09:05:14 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shubhrajyoti Datta X-Patchwork-Id: 1564671 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork2.kernel.org (Postfix) with ESMTP id 6401ADFFAD for ; Mon, 8 Oct 2012 09:07:40 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1TL9HP-0002Q4-UY; Mon, 08 Oct 2012 09:05:40 +0000 Received: from comal.ext.ti.com ([198.47.26.152]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1TL9HM-0002Ph-F0 for linux-arm-kernel@lists.infradead.org; Mon, 08 Oct 2012 09:05:37 +0000 Received: from dbdp20.itg.ti.com ([172.24.170.38]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id q9895OOn004137; Mon, 8 Oct 2012 04:05:25 -0500 Received: from DBDE70.ent.ti.com (localhost [127.0.0.1]) by dbdp20.itg.ti.com (8.13.8/8.13.8) with ESMTP id q9895NEt020526; Mon, 8 Oct 2012 14:35:23 +0530 (IST) Received: from dbdp33.itg.ti.com (172.24.170.252) by dbde70.ent.ti.com (172.24.170.148) with Microsoft SMTP Server id 14.1.323.3; Mon, 8 Oct 2012 14:35:22 +0530 Received: from ula0393217.india.ti.com (smtpvbd.itg.ti.com [172.24.170.250]) by dbdp33.itg.ti.com (8.13.8/8.13.8) with ESMTP id q9895Leg015391; Mon, 8 Oct 2012 14:35:21 +0530 From: Shubhrajyoti D To: Subject: [PATCH 1/3] i2c: omap: Do not enable the irq always Date: Mon, 8 Oct 2012 14:35:14 +0530 Message-ID: <1349687116-14463-1-git-send-email-shubhrajyoti@ti.com> X-Mailer: git-send-email 1.7.5.4 MIME-Version: 1.0 X-Spam-Note: CRM114 invocation failed X-Spam-Score: -9.0 (---------) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-9.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -5.0 RCVD_IN_DNSWL_HI RBL: Sender listed at http://www.dnswl.org/, high trust [198.47.26.152 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -2.1 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: Shubhrajyoti D , ben-linux@fluff.org, linux-arm-kernel@lists.infradead.org, w.sang@pengutronix.de 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: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Enable the irq in the transfer and disable it after the transfer is done. Signed-off-by: Shubhrajyoti D --- drivers/i2c/busses/i2c-omap.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index b6c6b95..ce41596 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -625,6 +625,7 @@ omap_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num) if (IS_ERR_VALUE(r)) goto out; + enable_irq(dev->irq); r = omap_i2c_wait_for_bb(dev); if (r < 0) goto out; @@ -654,6 +655,7 @@ omap_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num) omap_i2c_wait_for_bb(dev); out: + disable_irq(dev->irq); pm_runtime_mark_last_busy(dev->dev); pm_runtime_put_autosuspend(dev->dev); return r; @@ -1179,6 +1181,7 @@ omap_i2c_probe(struct platform_device *pdev) goto err_unuse_clocks; } + disable_irq(dev->irq); adap = &dev->adapter; i2c_set_adapdata(adap, dev); adap->owner = THIS_MODULE;