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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-39085f2c714sm12930645a91.10.2026.08.09.22.10.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 09 Aug 2026 22:10:45 -0700 (PDT) From: phucduc.bui@gmail.com To: Bjorn Andersson , Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, bui duc phuc Subject: [PATCH] soc: qcom: llcc-qcom: Handle errors from optional IRQ lookup Date: Mon, 10 Aug 2026 12:10:31 +0700 Message-ID: <20260810051031.26656-1-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: bui duc phuc platform_get_irq_optional() can return errors such as -EPROBE_DEFER, but the driver currently stores the return value directly in drv_data->ecc_irq and continues probing. Propagate negative errors other than -ENXIO using dev_err_probe(), and only assign the IRQ to drv_data->ecc_irq when a valid IRQ number is returned. Signed-off-by: bui duc phuc --- drivers/soc/qcom/llcc-qcom.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/soc/qcom/llcc-qcom.c b/drivers/soc/qcom/llcc-qcom.c index 8948b5fd42d2..e42946810b50 100644 --- a/drivers/soc/qcom/llcc-qcom.c +++ b/drivers/soc/qcom/llcc-qcom.c @@ -5587,7 +5587,12 @@ static int qcom_llcc_probe(struct platform_device *pdev) goto err; } - drv_data->ecc_irq = platform_get_irq_optional(pdev, 0); + ret = platform_get_irq_optional(pdev, 0); + if (ret < 0 && ret != -ENXIO) + return dev_err_probe(&pdev->dev, ret, "failed to get IRQ resource\n"); + if (ret > 0) + drv_data->ecc_irq = ret; + drv_data->edac_reg_offset = cfg->edac_reg_offset; drv_data->ecc_irq_configured = cfg->irq_configured; drv_data->dev = dev; -- 2.43.0