From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthias Brugger Subject: Re: [PATCH 04/24] soc: mediatek: pwrap: add missing check on rstc Date: Fri, 12 Apr 2019 19:44:15 +0200 Message-ID: References: <20190323211612.860-1-fparent@baylibre.com> <20190323211612.860-5-fparent@baylibre.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20190323211612.860-5-fparent@baylibre.com> Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: Fabien Parent , robh+dt@kernel.org, mark.rutland@arm.com Cc: sean.wang@kernel.org, ryder.lee@mediatek.com, hsin-hsiung.wang@mediatek.com, wenzhen.yu@mediatek.com, chaotian.jing@mediatek.com, yong.mao@mediatek.com, jjian.zhou@mediatek.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-mmc@vger.kernel.org, linux-gpio@vger.kernel.org, linux-serial@vger.kernel.org, linux-spi@vger.kernel.org, linux-watchdog@vger.kernel.org, linux-clk@vger.kernel.org, stephane.leprovost@mediatek.com List-Id: linux-gpio@vger.kernel.org On 23/03/2019 22:15, Fabien Parent wrote: > The variable rstc is set only when the SoC PWRAP have the > PWRAP_CAP_RESET capability. Check whether rstc is set before > using it to avoid errors. > > Signed-off-by: Fabien Parent > --- > drivers/soc/mediatek/mtk-pmic-wrap.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) applied to v5.1-next/soc Thanks! > > diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c > index 8236a6c87e19..b3ba2301f569 100644 > --- a/drivers/soc/mediatek/mtk-pmic-wrap.c > +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c > @@ -1478,7 +1478,8 @@ static int pwrap_init(struct pmic_wrapper *wrp) > { > int ret; > > - reset_control_reset(wrp->rstc); > + if (wrp->rstc) > + reset_control_reset(wrp->rstc); > if (wrp->rstc_bridge) > reset_control_reset(wrp->rstc_bridge); > > From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.7 required=3.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 37012C10F0E for ; 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[2.139.173.89]) by smtp.gmail.com with ESMTPSA id y2sm2083381eda.52.2019.04.12.10.44.15 (version=TLS1_3 cipher=AEAD-AES128-GCM-SHA256 bits=128/128); Fri, 12 Apr 2019 10:44:16 -0700 (PDT) Subject: Re: [PATCH 04/24] soc: mediatek: pwrap: add missing check on rstc To: Fabien Parent , robh+dt@kernel.org, mark.rutland@arm.com References: <20190323211612.860-1-fparent@baylibre.com> <20190323211612.860-5-fparent@baylibre.com> From: Matthias Brugger Openpgp: preference=signencrypt Autocrypt: addr=matthias.bgg@gmail.com; prefer-encrypt=mutual; keydata= mQINBFP1zgUBEAC21D6hk7//0kOmsUrE3eZ55kjc9DmFPKIz6l4NggqwQjBNRHIMh04BbCMY fL3eT7ZsYV5nur7zctmJ+vbszoOASXUpfq8M+S5hU2w7sBaVk5rpH9yW8CUWz2+ZpQXPJcFa OhLZuSKB1F5JcvLbETRjNzNU7B3TdS2+zkgQQdEyt7Ij2HXGLJ2w+yG2GuR9/iyCJRf10Okq gTh//XESJZ8S6KlOWbLXRE+yfkKDXQx2Jr1XuVvM3zPqH5FMg8reRVFsQ+vI0b+OlyekT/Xe 0Hwvqkev95GG6x7yseJwI+2ydDH6M5O7fPKFW5mzAdDE2g/K9B4e2tYK6/rA7Fq4cqiAw1+u EgO44+eFgv082xtBez5WNkGn18vtw0LW3ESmKh19u6kEGoi0WZwslCNaGFrS4M7OH+aOJeqK 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lc8SuADCmMD+kBOVWktZyzkBkDfBXlTWl46T/8291lEspDWe5YW1ZAH/HdCR1rQNZWjNCpB2 Cic58CYMD1rSonCnbfUeyZYNNhNHZosl4dl7f+am87Q2x3pK0DLSoJRxWb7vZB0uo9CzCSm3 I++aYozF25xQoT+7zCx2cQi33jwvnJAK1o4VlNx36RfrxzBqc1uZGzJBCQu48UjmUSsTwWC3 HpE/D9sM+xACs803lFUIZC5H62G059cCPAXKgsFpNMKmBAWweBkVJAisoQeX50OP+/11ArV0 cv+fOTfJj0/KwFXJaaYh3LUQNILLBNxkSrhCLl8dUg53IbHx4NfIAgqxLWGfXM8DY1aFdU79 pac005PuhxCWkKTJz3gCmznnoat4GCnL5gy/m0Qk45l4PFqwWXVLo9AQg2Kp3mlIFZ6fsEKI AN5hxlbNvNb9V2Zo5bFZjPWPFTxOteM0omUAS+QopwU0yPLLGJVf2iCmItHcUXI+r2JwH1CJ jrHWeQEI2ucSKsNa8FllDmG/fQ== Message-ID: Date: Fri, 12 Apr 2019 19:44:15 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <20190323211612.860-5-fparent@baylibre.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190412_104419_293407_E70907A1 X-CRM114-Status: GOOD ( 16.53 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, ryder.lee@mediatek.com, linux-watchdog@vger.kernel.org, jjian.zhou@mediatek.com, wenzhen.yu@mediatek.com, stephane.leprovost@mediatek.com, sean.wang@kernel.org, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, yong.mao@mediatek.com, linux-spi@vger.kernel.org, linux-gpio@vger.kernel.org, linux-mediatek@lists.infradead.org, hsin-hsiung.wang@mediatek.com, linux-serial@vger.kernel.org, linux-clk@vger.kernel.org, chaotian.jing@mediatek.com, linux-i2c@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 23/03/2019 22:15, Fabien Parent wrote: > The variable rstc is set only when the SoC PWRAP have the > PWRAP_CAP_RESET capability. Check whether rstc is set before > using it to avoid errors. > > Signed-off-by: Fabien Parent > --- > drivers/soc/mediatek/mtk-pmic-wrap.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) applied to v5.1-next/soc Thanks! > > diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c > index 8236a6c87e19..b3ba2301f569 100644 > --- a/drivers/soc/mediatek/mtk-pmic-wrap.c > +++ b/drivers/soc/mediatek/mtk-pmic-wrap.c > @@ -1478,7 +1478,8 @@ static int pwrap_init(struct pmic_wrapper *wrp) > { > int ret; > > - reset_control_reset(wrp->rstc); > + if (wrp->rstc) > + reset_control_reset(wrp->rstc); > if (wrp->rstc_bridge) > reset_control_reset(wrp->rstc_bridge); > > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel