From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ppsw-52.csi.cam.ac.uk ([131.111.8.152]:37970 "EHLO ppsw-52.csi.cam.ac.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752212Ab1D2MJv (ORCPT ); Fri, 29 Apr 2011 08:09:51 -0400 Message-ID: <4DBAAB16.3020208@cam.ac.uk> Date: Fri, 29 Apr 2011 13:12:06 +0100 From: Jonathan Cameron MIME-Version: 1.0 To: michael.hennerich@analog.com CC: linux-iio@vger.kernel.org, drivers@analog.com, device-drivers-devel@blackfin.uclinux.org Subject: Re: [PATCH 4/6] IIO: GYRO: ADXRS450: enforce sequential transfer delay of at least 0.1ms References: <1304074721-18159-1-git-send-email-michael.hennerich@analog.com> <1304074721-18159-4-git-send-email-michael.hennerich@analog.com> In-Reply-To: <1304074721-18159-4-git-send-email-michael.hennerich@analog.com> Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-iio-owner@vger.kernel.org List-Id: linux-iio@vger.kernel.org On 04/29/11 11:58, michael.hennerich@analog.com wrote: > From: Michael Hennerich > > Fair enough. Nasty hardware requirement of the day award goes to.... > Signed-off-by: Michael Hennerich Acked-by: Jonathan Cameron > --- > drivers/staging/iio/gyro/adxrs450_core.c | 1 + > 1 files changed, 1 insertions(+), 0 deletions(-) > > diff --git a/drivers/staging/iio/gyro/adxrs450_core.c b/drivers/staging/iio/gyro/adxrs450_core.c > index 5671276..d73acff 100644 > --- a/drivers/staging/iio/gyro/adxrs450_core.c > +++ b/drivers/staging/iio/gyro/adxrs450_core.c > @@ -116,6 +116,7 @@ static int adxrs450_spi_write_reg_16(struct device *dev, > if (ret) > dev_err(&st->us->dev, "problem while writing 16 bit register 0x%02x\n", > reg_address); > + msleep(1); /* enforce sequential transfer delay 0.1ms */ > mutex_unlock(&st->buf_lock); > return ret; > }