Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934761Ab3GRWXN (ORCPT ); Thu, 18 Jul 2013 18:23:13 -0400 Received: from mail-ee0-f46.google.com ([74.125.83.46]:56097 "EHLO mail-ee0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934641Ab3GRWVt (ORCPT ); Thu, 18 Jul 2013 18:21:49 -0400 From: Zubair Lutfullah To: jic23@cam.ac.uk Cc: gregkh@linuxfoundation.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, koen@dominion.thruhere.net Subject: [PATCH 10/15] iio: ti_am335x_adc: Also clear threshold event when clearing overrun event Date: Thu, 18 Jul 2013 23:21:21 +0100 Message-Id: <1374186086-5015-11-git-send-email-zubair.lutfullah@gmail.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1374186086-5015-1-git-send-email-zubair.lutfullah@gmail.com> References: <1374186086-5015-1-git-send-email-zubair.lutfullah@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1343 Lines: 35 From: Russ Dill When an overrun occurs, the FIFO is cleared. If a FIFO threshold event was pending, the data is now gone. Clear the threshold event when handling an overrun (or underflow). Signed-off-by: Russ Dill Signed-off-by: Zubair Lutfullah --- drivers/iio/adc/ti_am335x_adc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c index 8dc070d..6957011 100644 --- a/drivers/iio/adc/ti_am335x_adc.c +++ b/drivers/iio/adc/ti_am335x_adc.c @@ -171,8 +171,8 @@ static irqreturn_t tiadc_irq(int irq, void *private) config = tiadc_readl(adc_dev, REG_CTRL); config &= ~(CNTRLREG_TSCSSENB); tiadc_writel(adc_dev, REG_CTRL, config); - tiadc_writel(adc_dev, REG_IRQSTATUS, - IRQENB_FIFO1OVRRUN | IRQENB_FIFO1UNDRFLW); + tiadc_writel(adc_dev, REG_IRQSTATUS, IRQENB_FIFO1THRES + | IRQENB_FIFO1OVRRUN | IRQENB_FIFO1UNDRFLW); tiadc_writel(adc_dev, REG_CTRL, (config | CNTRLREG_TSCSSENB)); return IRQ_HANDLED; -- 1.7.9.5 -- 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/