From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from saturn.retrosnub.co.uk ([178.18.118.26]:58816 "EHLO saturn.retrosnub.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754346Ab3KWROe (ORCPT ); Sat, 23 Nov 2013 12:14:34 -0500 Message-ID: <5290F0CF.5050401@kernel.org> Date: Sat, 23 Nov 2013 18:15:43 +0000 From: Jonathan Cameron MIME-Version: 1.0 To: Sachin Kamat , linux-iio@vger.kernel.org CC: lars@metafoo.de Subject: Re: [PATCH 21/33] staging: iio: ad9850: Use devm_iio_device_register References: <1383046796-329-1-git-send-email-sachin.kamat@linaro.org> <1383046796-329-22-git-send-email-sachin.kamat@linaro.org> In-Reply-To: <1383046796-329-22-git-send-email-sachin.kamat@linaro.org> Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-iio-owner@vger.kernel.org List-Id: linux-iio@vger.kernel.org On 10/29/13 11:39, Sachin Kamat wrote: > devm_iio_device_register simplifies the code. > > Signed-off-by: Sachin Kamat Another with an explicit power down mode that should perhaps be called after the unregister. > --- > drivers/staging/iio/frequency/ad9850.c | 10 +--------- > 1 file changed, 1 insertion(+), 9 deletions(-) > > diff --git a/drivers/staging/iio/frequency/ad9850.c b/drivers/staging/iio/frequency/ad9850.c > index af877ff..ec1a2f0 100644 > --- a/drivers/staging/iio/frequency/ad9850.c > +++ b/drivers/staging/iio/frequency/ad9850.c > @@ -92,7 +92,7 @@ static int ad9850_probe(struct spi_device *spi) > idev->info = &ad9850_info; > idev->modes = INDIO_DIRECT_MODE; > > - ret = iio_device_register(idev); > + ret = devm_iio_device_register(&spi->dev, idev); > if (ret) > return ret; > spi->max_speed_hz = 2000000; > @@ -103,20 +103,12 @@ static int ad9850_probe(struct spi_device *spi) > return 0; > } > > -static int ad9850_remove(struct spi_device *spi) > -{ > - iio_device_unregister(spi_get_drvdata(spi)); > - > - return 0; > -} > - > static struct spi_driver ad9850_driver = { > .driver = { > .name = DRV_NAME, > .owner = THIS_MODULE, > }, > .probe = ad9850_probe, > - .remove = ad9850_remove, > }; > module_spi_driver(ad9850_driver); > >