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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3ab36ed053csm16189628a91.4.2026.10.12.02.48.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Oct 2026 02:48:34 -0700 (PDT) From: phucduc.bui@gmail.com To: Lorenzo Pieralisi , kwilczynski@kernel.org, Manivannan Sadhasivam , Rob Herring , Bjorn Helgaas , Thierry Reding , Jonathan Hunter , Manikanta Maddireddy Cc: Vidya Sagar , Niklas Cassel , linux-pci@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, bui duc phuc Subject: [PATCH v2 1/2] PCI: tegra194: Use dev_err_probe() for PERST# GPIO Date: Mon, 12 Oct 2026 16:48:14 +0700 Message-ID: <20261012094815.28160-1-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: bui duc phuc Use dev_err_probe() when getting the PERST# GPIO to simplify error handling and properly handle -EPROBE_DEFER. Reviewed-by: Manikanta Maddireddy Signed-off-by: bui duc phuc --- Changes in v2: - Follow the subject line capitalization style. - Use "PERST#" in the subject, commit log, and dmesg text to match spec usage. drivers/pci/controller/dwc/pcie-tegra194.c | 15 +++------------ 1 file changed, 3 insertions(+), 12 deletions(-) diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c index 63a0f56cad8e..2f8e828c4d9a 100644 --- a/drivers/pci/controller/dwc/pcie-tegra194.c +++ b/drivers/pci/controller/dwc/pcie-tegra194.c @@ -1200,18 +1200,9 @@ static int tegra_pcie_dw_parse_dt(struct tegra_pcie_dw *pcie) /* Endpoint mode specific DT entries */ pcie->pex_rst_gpiod = devm_gpiod_get(pcie->dev, "reset", GPIOD_IN); - if (IS_ERR(pcie->pex_rst_gpiod)) { - int err = PTR_ERR(pcie->pex_rst_gpiod); - const char *level = KERN_ERR; - - if (err == -EPROBE_DEFER) - level = KERN_DEBUG; - - dev_printk(level, pcie->dev, - dev_fmt("Failed to get PERST GPIO: %d\n"), - err); - return err; - } + if (IS_ERR(pcie->pex_rst_gpiod)) + return dev_err_probe(pcie->dev, PTR_ERR(pcie->pex_rst_gpiod), + "Failed to get PERST# GPIO\n"); pcie->pex_refclk_sel_gpiod = devm_gpiod_get_optional(pcie->dev, "nvidia,refclk-select", -- 2.43.0