From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D97CB36F421; Wed, 20 May 2026 17:30:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779298206; cv=none; b=Mw/FSrE3IVARCHrftint+LfyysFOwWMy9CrrL/R3D3Q1hvQq4OEK2hLPwyxZeOwESVyyzH1z9UrGAfCU5saZzVQZnOLMrsw84M1QLx37o8wz/RgG/H0Gu/29z7AordpbhDLSiLqJRVR/JSQjVRyx1q0zJ9yg2jdjyyuvSGW5wSU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779298206; c=relaxed/simple; bh=afpQjnZ5XEYefO6ve042vhBfjOB1gArJMaA2UL/Pyoc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=kKqQnu58aF3BHyQ0ibWkFAktWVyX6FGNoYaRXdAM4Th49OymBmpt7w7I4nhIRJmxKiz3iIc6FWvrC0FT1/Ld3548qlru/xec+ZBZ2sVwAuSadsSQcrbFmEm59asU/pYV31U2YFbAdz8/ooKJiSIoggIKLe890Ex5cA3AFeWXMa0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=0oAw6mJa; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="0oAw6mJa" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4EC4C1F000E9; Wed, 20 May 2026 17:30:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1779298204; bh=CTFoPeoslrjBbmUCadJwOHADjQH5oYXWKFSj64O5cbQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=0oAw6mJacNvTlVnmchX6PNLj0gTGnMiZTN+TpXtEVmT06kZzPxT55s6+OCmYLtY1U 4RZY/q3Vf3u+FqBKB5dOMPVRtF9m4Ee2rr3mK9nIAxENXLViobyexr0IDE2J03wvQ9 7KB+baIuXGcqM/YFdSbXbzLhGA1J7ljpM/mXF20M= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Vidya Sagar , Manikanta Maddireddy , Manivannan Sadhasivam , Bjorn Helgaas , Jon Hunter , Sasha Levin Subject: [PATCH 6.18 323/957] PCI: tegra194: Use devm_gpiod_get_optional() to parse "nvidia,refclk-select" Date: Wed, 20 May 2026 18:13:26 +0200 Message-ID: <20260520162141.535909226@linuxfoundation.org> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260520162134.554764788@linuxfoundation.org> References: <20260520162134.554764788@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Vidya Sagar [ Upstream commit f62bc7917de1374dce86a852ffba8baf9cb7a56a ] The GPIO DT property "nvidia,refclk-select", to select the PCIe reference clock is optional. Use devm_gpiod_get_optional() to get it. Fixes: c57247f940e8 ("PCI: tegra: Add support for PCIe endpoint mode in Tegra194") Signed-off-by: Vidya Sagar Signed-off-by: Manikanta Maddireddy Signed-off-by: Manivannan Sadhasivam Signed-off-by: Bjorn Helgaas Tested-by: Jon Hunter Reviewed-by: Jon Hunter Reviewed-by: Vidya Sagar Link: https://patch.msgid.link/20260324190755.1094879-7-mmaddireddy@nvidia.com Signed-off-by: Sasha Levin --- drivers/pci/controller/dwc/pcie-tegra194.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c index 68920c6263a41..2557217f9df16 100644 --- a/drivers/pci/controller/dwc/pcie-tegra194.c +++ b/drivers/pci/controller/dwc/pcie-tegra194.c @@ -1196,9 +1196,9 @@ static int tegra_pcie_dw_parse_dt(struct tegra_pcie_dw *pcie) return err; } - pcie->pex_refclk_sel_gpiod = devm_gpiod_get(pcie->dev, - "nvidia,refclk-select", - GPIOD_OUT_HIGH); + pcie->pex_refclk_sel_gpiod = devm_gpiod_get_optional(pcie->dev, + "nvidia,refclk-select", + GPIOD_OUT_HIGH); if (IS_ERR(pcie->pex_refclk_sel_gpiod)) { int err = PTR_ERR(pcie->pex_refclk_sel_gpiod); const char *level = KERN_ERR; -- 2.53.0