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 5A3E4349CC5; Sat, 30 May 2026 18:02:45 +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=1780164166; cv=none; b=L5ynT0hpvG1qB+pIrYFuPf7VBvN7miwCLHoW7Nh/QYrRXEsAEFnicKdLWRREUBHo8sd9rev/HksydWCT858Z+DmlK4QlxMHzNVRgyQ/FgG6tJf6BKafs3JkR8AO+b+HGQoA5QwuvdBF82bXtLlnBeZLLUYjUGRQ2AA+nNnPhNw4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780164166; c=relaxed/simple; bh=8r56om+26vNz9Jnv1uGGK4e/Addc3XF2yFeMmpqVKyI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=M1NBsTlAKMXnZE4vpnAy6K29ikY3Y0dp7+72Ss2bw3AtBkjxI9J4Uoa5szEc1oPVn9p5YmtozLBIKAw+bwV1SocNadCrMS1xb0GHhd2KHBG5t69k6LHjrGQl96A6eU9n2yMpHpv04bCpkB80BEAb3MdCJ99Hc6SAOm+zo628SDk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=UKrb5wNX; 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="UKrb5wNX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9FA791F00893; Sat, 30 May 2026 18:02:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1780164165; bh=S1fPccKv5tCTA56OAV18Z5adzCin572HL9wn7+MKfsM=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=UKrb5wNXA+XXytpP25trpHjBQaHNoctHEaZ4bW1862r7NwH6wMGhNpkdjKeR7c8nJ 8xQZBAjF61hXeRIh0OPkUKLDXOJxJBk0urEvpsYS/IbtHjOnV9tDmCdXoLoig0er15 86IcZSwSBe1gLxERlanYO+1tJ0WnBBmmr5N87B90= 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 5.15 474/776] PCI: tegra194: Use devm_gpiod_get_optional() to parse "nvidia,refclk-select" Date: Sat, 30 May 2026 18:03:08 +0200 Message-ID: <20260530160252.594221143@linuxfoundation.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260530160240.228940103@linuxfoundation.org> References: <20260530160240.228940103@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-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 c32184e8e5636..d5f48aa6bf5a2 100644 --- a/drivers/pci/controller/dwc/pcie-tegra194.c +++ b/drivers/pci/controller/dwc/pcie-tegra194.c @@ -1146,9 +1146,9 @@ 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