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Fri, 31 Aug 2018 10:50:01 +0200 (CEST) Date: Fri, 31 Aug 2018 10:50:00 +0200 From: Maxime Ripard To: Philipp Rossak Cc: lee.jones@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, wens@csie.org, linux@armlinux.org.uk, jic23@kernel.org, knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net, eugen.hristev@microchip.com, rdunlap@infradead.org, vilhelm.gray@gmail.com, clabbe.montjoie@gmail.com, quentin.schulz@bootlin.com, geert+renesas@glider.be, lukas@wunner.de, icenowy@aosc.io, arnd@arndb.de, broonie@kernel.org, arnaud.pouliquen@st.com, linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com Subject: Re: [PATCH v3 16/30] iio: adc: sun4i-gpadc-iio: rework: readout temp_data Message-ID: <20180831085000.xsqliawn7yl7l3ax@flea> References: <20180830154518.29507-1-embed3d@gmail.com> <20180830154518.29507-17-embed3d@gmail.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="jkngr6m62mzqnlxs" Content-Disposition: inline In-Reply-To: <20180830154518.29507-17-embed3d@gmail.com> User-Agent: NeoMutt/20180716 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --jkngr6m62mzqnlxs Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Aug 30, 2018 at 05:45:04PM +0200, Philipp Rossak wrote: > For adding newer sensor some basic rework of the code is necessary. >=20 > This commit reworks the code and uses regmap field to read out > temp_data. >=20 > Signed-off-by: Philipp Rossak > --- > drivers/iio/adc/sun4i-gpadc-iio.c | 21 +++++++++++++-------- > 1 file changed, 13 insertions(+), 8 deletions(-) >=20 > diff --git a/drivers/iio/adc/sun4i-gpadc-iio.c b/drivers/iio/adc/sun4i-gp= adc-iio.c > index d48f338af563..c278e165e161 100644 > --- a/drivers/iio/adc/sun4i-gpadc-iio.c > +++ b/drivers/iio/adc/sun4i-gpadc-iio.c > @@ -63,6 +63,7 @@ struct gpadc_data { > int (*ths_suspend)(struct sun4i_gpadc_iio *info); > int (*ths_resume)(struct sun4i_gpadc_iio *info); > bool support_irq; > + u32 temp_data_base; > }; > =20 > static irqreturn_t sun4i_gpadc_data_irq_handler(int irq, void *dev_id); > @@ -77,6 +78,7 @@ static const struct gpadc_data sun4i_gpadc_data =3D { > .adc_channel =3D true, > .ths_irq_thread =3D sun4i_gpadc_data_irq_handler, > .support_irq =3D true, > + .temp_data_base =3D SUN4I_GPADC_TEMP_DATA, > }; > =20 > static const struct gpadc_data sun5i_gpadc_data =3D { > @@ -89,6 +91,7 @@ static const struct gpadc_data sun5i_gpadc_data =3D { > .adc_channel =3D true, > .ths_irq_thread =3D sun4i_gpadc_data_irq_handler, > .support_irq =3D true, > + .temp_data_base =3D SUN4I_GPADC_TEMP_DATA, > }; > =20 > static const struct gpadc_data sun6i_gpadc_data =3D { > @@ -101,12 +104,14 @@ static const struct gpadc_data sun6i_gpadc_data =3D= { > .adc_channel =3D true, > .ths_irq_thread =3D sun4i_gpadc_data_irq_handler, > .support_irq =3D true, > + .temp_data_base =3D SUN4I_GPADC_TEMP_DATA, > }; > =20 > static const struct gpadc_data sun8i_a33_gpadc_data =3D { > .temp_offset =3D -1662, > .temp_scale =3D 162, > .tp_mode_en =3D SUN8I_A33_GPADC_CTRL1_CHOP_TEMP_EN, > + .temp_data_base =3D SUN4I_GPADC_TEMP_DATA, > }; > =20 > struct sun4i_gpadc_iio { > @@ -271,18 +276,18 @@ static int sun4i_gpadc_temp_read(struct iio_dev *in= dio_dev, int *val) > { > struct sun4i_gpadc_iio *info =3D iio_priv(indio_dev); > =20 > - if (!info->data->support_irq) { > - pm_runtime_get_sync(indio_dev->dev.parent); > + if (info->data->adc_channel) > + return sun4i_gpadc_read(indio_dev, 0, val, > + SUN4I_GPADC_IRQ_TEMP_DATA); > =20 > - regmap_read(info->regmap, SUN4I_GPADC_TEMP_DATA, val); > + pm_runtime_get_sync(indio_dev->dev.parent); > =20 > - pm_runtime_mark_last_busy(indio_dev->dev.parent); > - pm_runtime_put_autosuspend(indio_dev->dev.parent); > + regmap_read(info->regmap, info->data->temp_data_base, val); > =20 > - return 0; > - } > + pm_runtime_mark_last_busy(indio_dev->dev.parent); > + pm_runtime_put_autosuspend(indio_dev->dev.parent); > =20 > - return sun4i_gpadc_read(indio_dev, 0, val, SUN4I_GPADC_IRQ_TEMP_DATA); > + return 0; You should make this patch as small as possible. If you want to add a variable and to invert a condition, please make two patches. Maxime --=20 Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com --jkngr6m62mzqnlxs Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE0VqZU19dR2zEVaqr0rTAlCFNr3QFAluJATcACgkQ0rTAlCFN r3TmRA/7BZRdqW1fuuJcCTNnN4ULk4kjeGI7qXkXKcLpPupSpn1sZLFvFpAI+7xB OJ/fU/9/SjA4CVHy97yxSFv6MM9d56y4wJnA1vCJ/J9ujizaDq1comvWRDjVLm1Z Sfh6cfz32zclCU/G5c19Cioy+sbACNBf/De+yuVJUMxbzIjN0ZsHz0mt5zww99eN fvB7j4P5soQ07KH0YMavQ52dkqr7tKjFhGbzc+P8Rohq9hkmbfOn3MKzmYJ9vtSj Uwmn0u3Rw97YVkmD9JSC9YeLuwdMGVAfmFKgQebi1icv2pCaX70x0V3Aij8dlGUw z5m+lZMEQ9RiI0l3//BupsYZlHZ3USI4OsxNnZ9BrHVrEFlD8MF5/RruyxXEHE5b DVyDS+y/yYcR1CAfn0MqGHymQjHSL6ptN6ASmqqXbXu2hY9eOJJdjmYti5U+iheD Pzwn6qkeHs4XQZpqtvOXTV0KhbwlHDEfA9ocg+IUuG3onvByj2eqKAgNB7SwlCir Gwf9SogT6OYZxJJPxPytgQylYq7j+6Ky6Kp6Z4iA9/ddIeoEsOe5RYwTvp9+yw1A RYJONkP6+2NJmCWwxJBIJJzwBt0s/ZGgIXbtprwplrUWnQjPKSpSLy0FmJmLJJX9 B59ljIBuIGbGfc/U9nIXbMt03ZsspjmeMGGxQTBz35i6WHmCPKA= =h3FO -----END PGP SIGNATURE----- --jkngr6m62mzqnlxs--