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[104.57.184.186]) by smtp.gmail.com with ESMTPSA id q189sm90658oih.25.2021.04.27.09.56.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Apr 2021 09:56:14 -0700 (PDT) Date: Tue, 27 Apr 2021 11:56:12 -0500 From: Bjorn Andersson To: Uwe Kleine-K?nig Cc: Andy Gross , Michael Turquette , Stephen Boyd , linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org Subject: Re: [PATCH] clk: qcom: Simplify usage of dev_err_probe() Message-ID: <20210427165612.GH1908499@yoga> References: <20210427164522.2886825-1-uwe@kleine-koenig.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20210427164522.2886825-1-uwe@kleine-koenig.org> Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org On Tue 27 Apr 11:45 CDT 2021, Uwe Kleine-K?nig wrote: > dev_err_probe() returns the error code passed as second parameter. Also if > the error code is -EPROBE_DEFER dev_err_probe() is silent, so there is no > need to check for this value before calling dev_err_probe(). > Reviewed-by: Bjorn Andersson Regards, Bjorn > Signed-off-by: Uwe Kleine-König > --- > drivers/clk/qcom/apcs-sdx55.c | 22 ++++++++-------------- > 1 file changed, 8 insertions(+), 14 deletions(-) > > diff --git a/drivers/clk/qcom/apcs-sdx55.c b/drivers/clk/qcom/apcs-sdx55.c > index d0edabebf9c2..6810637f32e3 100644 > --- a/drivers/clk/qcom/apcs-sdx55.c > +++ b/drivers/clk/qcom/apcs-sdx55.c > @@ -56,10 +56,8 @@ static int qcom_apcs_sdx55_clk_probe(struct platform_device *pdev) > int ret; > > regmap = dev_get_regmap(parent, NULL); > - if (!regmap) { > - dev_err_probe(dev, -ENODEV, "Failed to get parent regmap\n"); > - return -ENODEV; > - } > + if (!regmap) > + return dev_err_probe(dev, -ENODEV, "Failed to get parent regmap\n"); > > a7cc = devm_kzalloc(dev, sizeof(*a7cc), GFP_KERNEL); > if (!a7cc) > @@ -80,19 +78,15 @@ static int qcom_apcs_sdx55_clk_probe(struct platform_device *pdev) > a7cc->parent_map = apcs_mux_clk_parent_map; > > a7cc->pclk = devm_clk_get(parent, "pll"); > - if (IS_ERR(a7cc->pclk)) { > - ret = PTR_ERR(a7cc->pclk); > - if (ret != -EPROBE_DEFER) > - dev_err_probe(dev, ret, "Failed to get PLL clk\n"); > - return ret; > - } > + if (IS_ERR(a7cc->pclk)) > + return dev_err_probe(dev, PTR_ERR(a7cc->pclk), > + "Failed to get PLL clk\n"); > > a7cc->clk_nb.notifier_call = a7cc_notifier_cb; > ret = clk_notifier_register(a7cc->pclk, &a7cc->clk_nb); > - if (ret) { > - dev_err_probe(dev, ret, "Failed to register clock notifier\n"); > - return ret; > - } > + if (ret) > + return dev_err_probe(dev, ret, > + "Failed to register clock notifier\n"); > > ret = devm_clk_register_regmap(dev, &a7cc->clkr); > if (ret) { > -- > 2.30.2 >