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[83.9.30.30]) by smtp.gmail.com with ESMTPSA id x20-20020a2e9c94000000b002b48437dcaasm1840919lji.103.2023.06.23.14.49.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Jun 2023 14:49:44 -0700 (PDT) From: Konrad Dybcio Date: Fri, 23 Jun 2023 23:49:43 +0200 Subject: [PATCH 2/3] firmware: qcom_scm: Always return devm_clk_get_optional errors MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20230623-topic-scm_cleanup-v1-2-383089eae98d@linaro.org> References: <20230623-topic-scm_cleanup-v1-0-383089eae98d@linaro.org> In-Reply-To: <20230623-topic-scm_cleanup-v1-0-383089eae98d@linaro.org> To: Andy Gross , Bjorn Andersson Cc: Marijn Suijten , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, Konrad Dybcio X-Mailer: b4 0.12.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1687556981; l=1572; i=konrad.dybcio@linaro.org; s=20230215; h=from:subject:message-id; bh=pHysGjB4oZJ+5xN5W/FUx19qYCDxjkWrQHiYcbKX6uQ=; b=F9TfQwe9lA2sfHfajdi4PRDRwx/kETtoE4+UfIsGvDLi7W2Ey/0Aj1XfKriTsLSO9cvh0+L5l Aiesih+NUnqC8nf3K7HoDCSDZhyNQmUFCUg0jMBQKusn2IFa34idJ0v X-Developer-Key: i=konrad.dybcio@linaro.org; a=ed25519; pk=iclgkYvtl2w05SSXO5EjjSYlhFKsJ+5OSZBjOkQuEms= Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org If devm_clk_get_optional throws an error, something is really wrong. It may be a probe deferral, or it may be a problem with the clock provider. Regardless of what it may be, it should definitely not be ignored. Stop doing that. Signed-off-by: Konrad Dybcio --- drivers/firmware/qcom_scm.c | 18 ++++++------------ 1 file changed, 6 insertions(+), 12 deletions(-) diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c index dfa298347041..d7fc972b20ab 100644 --- a/drivers/firmware/qcom_scm.c +++ b/drivers/firmware/qcom_scm.c @@ -1422,22 +1422,16 @@ static int qcom_scm_probe(struct platform_device *p= dev) "failed to acquire interconnect path\n"); =20 scm->core_clk =3D devm_clk_get_optional(&pdev->dev, "core"); - if (IS_ERR(scm->core_clk)) { - if (PTR_ERR(scm->core_clk) =3D=3D -EPROBE_DEFER) - return PTR_ERR(scm->core_clk); - } + if (IS_ERR(scm->core_clk)) + return PTR_ERR(scm->core_clk); =20 scm->iface_clk =3D devm_clk_get_optional(&pdev->dev, "iface"); - if (IS_ERR(scm->iface_clk)) { - if (PTR_ERR(scm->iface_clk) =3D=3D -EPROBE_DEFER) - return PTR_ERR(scm->iface_clk); - } + if (IS_ERR(scm->iface_clk)) + return PTR_ERR(scm->iface_clk); =20 scm->bus_clk =3D devm_clk_get_optional(&pdev->dev, "bus"); - if (IS_ERR(scm->bus_clk)) { - if (PTR_ERR(scm->bus_clk) =3D=3D -EPROBE_DEFER) - return PTR_ERR(scm->bus_clk); - } + if (IS_ERR(scm->bus_clk)) + return PTR_ERR(scm->bus_clk); =20 scm->reset.ops =3D &qcom_scm_pas_reset_ops; scm->reset.nr_resets =3D 1; --=20 2.41.0