Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753196AbbDGDTv (ORCPT ); Mon, 6 Apr 2015 23:19:51 -0400 Received: from mail-pa0-f52.google.com ([209.85.220.52]:36503 "EHLO mail-pa0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752902AbbDGDTq (ORCPT ); Mon, 6 Apr 2015 23:19:46 -0400 Date: Mon, 6 Apr 2015 20:19:52 -0700 From: Eduardo Valentin To: Sascha Hauer Cc: linux-pm@vger.kernel.org, Zhang Rui , linux-kernel@vger.kernel.org, Stephen Warren , Mikko Perttunen , kernel@pengutronix.de, linux-mediatek@lists.infradead.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 06/13] thermal: streamline get_trend callbacks Message-ID: <20150407031950.GK4648@localhost.localdomain> References: <1427385240-6086-1-git-send-email-s.hauer@pengutronix.de> <1427385240-6086-7-git-send-email-s.hauer@pengutronix.de> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="0FM4RQAc0jwHekq5" Content-Disposition: inline In-Reply-To: <1427385240-6086-7-git-send-email-s.hauer@pengutronix.de> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5184 Lines: 162 --0FM4RQAc0jwHekq5 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Mar 26, 2015 at 04:53:53PM +0100, Sascha Hauer wrote: > The .get_trend callback in struct thermal_zone_device_ops has the prototy= pe: >=20 > int (*get_trend) (struct thermal_zone_device *, int, > enum thermal_trend *); >=20 > whereas the .get_trend callback in struct thermal_zone_of_device_ops has: >=20 > int (*get_trend)(void *, long *); >=20 > Streamline both prototypes and add the trip argument to the OF callback > aswell and use enum thermal_trend * instead of an integer pointer. >=20 > While the OF prototype may be the better one, this should be decided at > framework level and not on OF level. >=20 > Signed-off-by: Sascha Hauer > --- > drivers/thermal/of-thermal.c | 11 +--------- > drivers/thermal/ti-soc-thermal/ti-thermal-common.c | 25 +++++++---------= ------ > include/linux/thermal.h | 2 +- > 3 files changed, 10 insertions(+), 28 deletions(-) >=20 > diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c > index 668fb1b..b39e22f 100644 > --- a/drivers/thermal/of-thermal.c > +++ b/drivers/thermal/of-thermal.c > @@ -187,24 +187,15 @@ static int of_thermal_get_trend(struct thermal_zone= _device *tz, int trip, > enum thermal_trend *trend) > { > struct __thermal_zone *data =3D tz->devdata; > - long dev_trend; > int r; > =20 > if (!data->ops->get_trend) > return -EINVAL; > =20 > - r =3D data->ops->get_trend(data->sensor_data, &dev_trend); > + r =3D data->ops->get_trend(data->sensor_data, trip, trend); > if (r) > return r; > =20 > - /* TODO: These intervals might have some thresholds, but in core code */ > - if (dev_trend > 0) > - *trend =3D THERMAL_TREND_RAISING; > - else if (dev_trend < 0) > - *trend =3D THERMAL_TREND_DROPPING; > - else > - *trend =3D THERMAL_TREND_STABLE; > - > return 0; > } > =20 > diff --git a/drivers/thermal/ti-soc-thermal/ti-thermal-common.c b/drivers= /thermal/ti-soc-thermal/ti-thermal-common.c > index a38c175..7f8e5f3 100644 > --- a/drivers/thermal/ti-soc-thermal/ti-thermal-common.c > +++ b/drivers/thermal/ti-soc-thermal/ti-thermal-common.c > @@ -238,7 +238,7 @@ static int ti_thermal_get_trip_temp(struct thermal_zo= ne_device *thermal, > return 0; > } > =20 > -static int __ti_thermal_get_trend(void *p, long *trend) > +static int __ti_thermal_get_trend(void *p, int trip, enum thermal_trend = *trend) > { > struct ti_thermal_data *data =3D p; > struct ti_bandgap *bgp; > @@ -251,22 +251,6 @@ static int __ti_thermal_get_trend(void *p, long *tre= nd) > if (ret) > return ret; > =20 > - *trend =3D tr; > - > - return 0; > -} > - > -/* Get the temperature trend callback functions for thermal zone */ > -static int ti_thermal_get_trend(struct thermal_zone_device *thermal, > - int trip, enum thermal_trend *trend) > -{ > - int ret; > - long tr; > - > - ret =3D __ti_thermal_get_trend(thermal->devdata, &tr); > - if (ret) > - return ret; > - > if (tr > 0) > *trend =3D THERMAL_TREND_RAISING; > else if (tr < 0) > @@ -277,6 +261,13 @@ static int ti_thermal_get_trend(struct thermal_zone_= device *thermal, > return 0; > } > =20 > +/* Get the temperature trend callback functions for thermal zone */ > +static int ti_thermal_get_trend(struct thermal_zone_device *thermal, > + int trip, enum thermal_trend *trend) > +{ > + return __ti_thermal_get_trend(thermal->devdata, trip, trend); > +} > + > /* Get critical temperature callback functions for thermal zone */ > static int ti_thermal_get_crit_temp(struct thermal_zone_device *thermal, > unsigned long *temp) > diff --git a/include/linux/thermal.h b/include/linux/thermal.h > index db6c12b..ba2e29a 100644 > --- a/include/linux/thermal.h > +++ b/include/linux/thermal.h > @@ -273,7 +273,7 @@ struct thermal_genl_event { > */ > struct thermal_zone_of_device_ops { > int (*get_temp)(void *, long *); > - int (*get_trend)(void *, long *); > + int (*get_trend)(void *, int trend, enum thermal_trend *); Could you please keep the kernel doc entry up to date? Apart from that, looks good to me. > int (*set_emul_temp)(void *, unsigned long); > }; > =20 > --=20 > 2.1.4 >=20 --0FM4RQAc0jwHekq5 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQEcBAEBAgAGBQJVI0zRAAoJEMLUO4d9pOJWd1sH/1efN2Us60VOa2IrQ7JTb/xp kEQuZKcb27AXv7T4gbYqJUKz9XbYz0U2xK2/SJL/a+MD66efm2WQBAzN2ay919Cm kuwi/dAUKGaDq7tj/DsvcsK0IMd8DA3FRGYE7Yi1ynPqjr4gQ7WnlQBsI00UclpD MutAzReGhTDs65qEV9NDFtvkB5xCHfhtYyNo2+K1nds+R+KDMFccEcPP0r1fjniT vVymzHaQarb5g3TV8iUXgaMTEVmAFGBUWtRYLPUJd6PXRWeh6+II+bAX7FNDTcW7 EOczz2SokC7c7hK83TPPOZ3z2W+ycEFGARVZfuNmK6Q6H1rc79mEwQhDM1bVpcY= =qZRm -----END PGP SIGNATURE----- --0FM4RQAc0jwHekq5-- -- 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/