From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp-out-222.synserver.de ([212.40.185.222]:1117 "EHLO smtp-out-222.synserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755228Ab2KUQ1U (ORCPT ); Wed, 21 Nov 2012 11:27:20 -0500 From: Lars-Peter Clausen To: Jonathan Cameron Cc: linux-iio@vger.kernel.org, drivers@analog.com, Lars-Peter Clausen Subject: [PATCH 03/11] staging:iio:ad7793: Use usleep_range instead of msleep Date: Wed, 21 Nov 2012 17:27:08 +0100 Message-Id: <1353515236-21843-3-git-send-email-lars@metafoo.de> In-Reply-To: <1353515236-21843-1-git-send-email-lars@metafoo.de> References: <1353515236-21843-1-git-send-email-lars@metafoo.de> Sender: linux-iio-owner@vger.kernel.org List-Id: linux-iio@vger.kernel.org It is recommended to use usleep_range instead of msleep for durations smaller than a 20ms. Signed-off-by: Lars-Peter Clausen --- drivers/staging/iio/adc/ad7793.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/iio/adc/ad7793.c b/drivers/staging/iio/adc/ad7793.c index 965e6ae..1c3d668 100644 --- a/drivers/staging/iio/adc/ad7793.c +++ b/drivers/staging/iio/adc/ad7793.c @@ -122,7 +122,7 @@ static int ad7793_setup(struct iio_dev *indio_dev, ret = spi_write(st->sd.spi, (u8 *)&ret, sizeof(ret)); if (ret < 0) goto out; - msleep(1); /* Wait for at least 500us */ + usleep_range(500, 2000); /* Wait for at least 500us */ /* write/read test for device presence */ ret = ad_sd_read_reg(&st->sd, AD7793_REG_ID, 1, &id); -- 1.8.0