Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932557AbbKMOuK (ORCPT ); Fri, 13 Nov 2015 09:50:10 -0500 Received: from mail-yk0-f176.google.com ([209.85.160.176]:34576 "EHLO mail-yk0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932232AbbKMOuH (ORCPT ); Fri, 13 Nov 2015 09:50:07 -0500 MIME-Version: 1.0 In-Reply-To: <87egfylia4.wl%kuninori.morimoto.gx@renesas.com> References: <87h9kulkfg.wl%kuninori.morimoto.gx@renesas.com> <87fv0elibh.wl%kuninori.morimoto.gx@renesas.com> <87egfylia4.wl%kuninori.morimoto.gx@renesas.com> Date: Fri, 13 Nov 2015 15:50:04 +0100 Message-ID: Subject: Re: [PATCH 1/2] thermal: rcar_thermal: remove redundant operation From: Ulf Hansson To: Kuninori Morimoto Cc: Zhang Rui , Eduardo Valentin , Linux-SH , Linux-Kernel , "linux-pm@vger.kernel.org" , Cao Minh Hiep , =?UTF-8?B?RHVuZ++8muS6uuOCvQ==?= Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3832 Lines: 116 On 10 November 2015 at 03:12, Kuninori Morimoto wrote: > From: Kuninori Morimoto > > Probe error operation and remove operation are same. Currently they are, but that's because the error handling in ->probe() is wrong. In some error cases the pm_runtime_put|disable() should have been called but they aren't. Perhaps it's better to fix that first. Kind regards Uffe > Let's use same function. > > Signed-off-by: Kuninori Morimoto > --- > drivers/thermal/rcar_thermal.c | 49 ++++++++++++++++++------------------------ > 1 file changed, 21 insertions(+), 28 deletions(-) > > diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c > index 5d4ae7d..13d01ed 100644 > --- a/drivers/thermal/rcar_thermal.c > +++ b/drivers/thermal/rcar_thermal.c > @@ -361,6 +361,24 @@ static irqreturn_t rcar_thermal_irq(int irq, void *data) > /* > * platform functions > */ > +static int rcar_thermal_remove(struct platform_device *pdev) > +{ > + struct rcar_thermal_common *common = platform_get_drvdata(pdev); > + struct device *dev = &pdev->dev; > + struct rcar_thermal_priv *priv; > + > + rcar_thermal_for_each_priv(priv, common) { > + if (rcar_has_irq_support(priv)) > + rcar_thermal_irq_disable(priv); > + thermal_zone_device_unregister(priv->zone); > + } > + > + pm_runtime_put(dev); > + pm_runtime_disable(dev); > + > + return 0; > +} > + > static int rcar_thermal_probe(struct platform_device *pdev) > { > struct rcar_thermal_common *common; > @@ -377,6 +395,8 @@ static int rcar_thermal_probe(struct platform_device *pdev) > if (!common) > return -ENOMEM; > > + platform_set_drvdata(pdev, common); > + > INIT_LIST_HEAD(&common->head); > spin_lock_init(&common->lock); > common->dev = dev; > @@ -454,43 +474,16 @@ static int rcar_thermal_probe(struct platform_device *pdev) > rcar_thermal_common_write(common, ENR, enr_bits); > } > > - platform_set_drvdata(pdev, common); > - > dev_info(dev, "%d sensor probed\n", i); > > return 0; > > error_unregister: > - rcar_thermal_for_each_priv(priv, common) { > - if (rcar_has_irq_support(priv)) > - rcar_thermal_irq_disable(priv); > - thermal_zone_device_unregister(priv->zone); > - } > - > - pm_runtime_put(dev); > - pm_runtime_disable(dev); > + rcar_thermal_remove(pdev); > > return ret; > } > > -static int rcar_thermal_remove(struct platform_device *pdev) > -{ > - struct rcar_thermal_common *common = platform_get_drvdata(pdev); > - struct device *dev = &pdev->dev; > - struct rcar_thermal_priv *priv; > - > - rcar_thermal_for_each_priv(priv, common) { > - if (rcar_has_irq_support(priv)) > - rcar_thermal_irq_disable(priv); > - thermal_zone_device_unregister(priv->zone); > - } > - > - pm_runtime_put(dev); > - pm_runtime_disable(dev); > - > - return 0; > -} > - > static const struct of_device_id rcar_thermal_dt_ids[] = { > { .compatible = "renesas,rcar-thermal", }, > {}, > -- > 1.9.1 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-pm" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- 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/