From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthias Brugger Subject: Re: [PATCH v7 04/13] soc: mediatek: Refactor regulator control Date: Wed, 28 Aug 2019 11:44:42 +0200 Message-ID: <1481942b-623f-69dc-6e21-da877968793e@gmail.com> References: <1566983506-26598-1-git-send-email-weiyi.lu@mediatek.com> <1566983506-26598-5-git-send-email-weiyi.lu@mediatek.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1566983506-26598-5-git-send-email-weiyi.lu@mediatek.com> Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: Weiyi Lu , Nicolas Boichat , Rob Herring Cc: James Liao , Fan Chen , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org, srv_heupstream@mediatek.com, Yong Wu List-Id: linux-mediatek@lists.infradead.org On 28/08/2019 11:11, Weiyi Lu wrote: > Put regulator enable and disable control in separate functions. > > Signed-off-by: Weiyi Lu Applied to v5.4-next/soc Thanks! > --- > drivers/soc/mediatek/mtk-scpsys.c | 32 +++++++++++++++++++++++--------- > 1 file changed, 23 insertions(+), 9 deletions(-) > > diff --git a/drivers/soc/mediatek/mtk-scpsys.c b/drivers/soc/mediatek/mtk-scpsys.c > index e97fc0e..aed540d 100644 > --- a/drivers/soc/mediatek/mtk-scpsys.c > +++ b/drivers/soc/mediatek/mtk-scpsys.c > @@ -191,6 +191,22 @@ static int scpsys_domain_is_on(struct scp_domain *scpd) > return -EINVAL; > } > > +static int scpsys_regulator_enable(struct scp_domain *scpd) > +{ > + if (!scpd->supply) > + return 0; > + > + return regulator_enable(scpd->supply); > +} > + > +static int scpsys_regulator_disable(struct scp_domain *scpd) > +{ > + if (!scpd->supply) > + return 0; > + > + return regulator_disable(scpd->supply); > +} > + > static int scpsys_power_on(struct generic_pm_domain *genpd) > { > struct scp_domain *scpd = container_of(genpd, struct scp_domain, genpd); > @@ -201,11 +217,9 @@ static int scpsys_power_on(struct generic_pm_domain *genpd) > int ret, tmp; > int i; > > - if (scpd->supply) { > - ret = regulator_enable(scpd->supply); > - if (ret) > - return ret; > - } > + ret = scpsys_regulator_enable(scpd); > + if (ret < 0) > + return ret; > > for (i = 0; i < MAX_CLKS && scpd->clk[i]; i++) { > ret = clk_prepare_enable(scpd->clk[i]); > @@ -273,8 +287,7 @@ static int scpsys_power_on(struct generic_pm_domain *genpd) > clk_disable_unprepare(scpd->clk[i]); > } > err_clk: > - if (scpd->supply) > - regulator_disable(scpd->supply); > + scpsys_regulator_disable(scpd); > > dev_err(scp->dev, "Failed to power on domain %s\n", genpd->name); > > @@ -333,8 +346,9 @@ static int scpsys_power_off(struct generic_pm_domain *genpd) > for (i = 0; i < MAX_CLKS && scpd->clk[i]; i++) > clk_disable_unprepare(scpd->clk[i]); > > - if (scpd->supply) > - regulator_disable(scpd->supply); > + ret = scpsys_regulator_disable(scpd); > + if (ret < 0) > + goto out; > > return 0; > >