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Received: from SJ2PR12MB8784.namprd12.prod.outlook.com (2603:10b6:a03:4d0::11) by PH8PR12MB6723.namprd12.prod.outlook.com (2603:10b6:510:1ce::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9366.11; Wed, 26 Nov 2025 15:47:38 +0000 Received: from SJ2PR12MB8784.namprd12.prod.outlook.com ([fe80::1660:3173:eef6:6cd9]) by SJ2PR12MB8784.namprd12.prod.outlook.com ([fe80::1660:3173:eef6:6cd9%7]) with mapi id 15.20.9343.016; Wed, 26 Nov 2025 15:47:38 +0000 Message-ID: Date: Wed, 26 Nov 2025 15:47:28 +0000 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 07/10] arm64: select HAVE_SHARED_GPIOS for ARCH_QCOM To: Bartosz Golaszewski Cc: Kees Cook , Mika Westerberg , Dmitry Torokhov , Andrew Morton , Linus Walleij , Manivannan Sadhasivam , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Saravana Kannan , Greg Kroah-Hartman , Andy Shevchenko , Catalin Marinas , Will Deacon , Srinivas Kandagatla , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Alexey Klimov , Bjorn Andersson , Konrad Dybcio , linux-hardening@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sound@vger.kernel.org, linux-arm-msm@vger.kernel.org, Bartosz Golaszewski , "linux-tegra@vger.kernel.org" References: <20251112-gpio-shared-v4-0-b51f97b1abd8@linaro.org> <20251112-gpio-shared-v4-7-b51f97b1abd8@linaro.org> <0829a21c-f97d-41b6-90bc-2acaec42caab@nvidia.com> <705186a9-a9db-46f0-bf2b-b499def050dd@nvidia.com> From: Jon Hunter Content-Language: en-US In-Reply-To: Content-Type: text/plain; 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Can you enable DEBUG_GPIO in >>> Kconfig and post the entire kernel log on pastebin? >> >> The kernel log is here: https://pastebin.com/7rBh3T3T > > This is not telling me much, can you try again with the printk() I > posted earlier, please? Yes, sorry I missed that before kicking off the last test. With this print I see ... [ 0.120432] gpio_shared_of_traverse: /bus@0/ethernet@2490000 phy-reset-gpios [ 0.121407] gpio_shared_of_traverse: /bus@0/mmc@3400000 cd-gpios [ 0.121891] gpio_shared_of_traverse: /bus@0/host1x@13e00000/sor@15b80000 nvidia,hpd-gpio [ 0.122035] gpio_shared_of_traverse: /bus@0/pcie-ep@141a0000 reset-gpios [ 0.122075] gpio_shared_of_traverse: /bus@0/pcie-ep@141a0000 nvidia,refclk-select-gpios [ 0.122342] gpio_shared_of_traverse: /regulator-vdd-hdmi gpio [ 0.122381] gpio_shared_of_traverse: /regulator-vdd-3v3-pcie gpio [ 0.122420] gpio_shared_of_traverse: /regulator-vdd-12v-pcie gpio [ 0.122453] gpio_shared_of_traverse: /regulator-vdd-5v0-sata gpio [ 0.122486] gpio_shared_of_traverse: /gpio-keys/key-force-recovery gpios [ 0.122551] gpio_shared_of_traverse: /gpio-keys/key-power gpios [ 0.122615] gpio_shared_of_traverse: /__symbols__ gpio [ 0.122672] OF: /__symbols__: could not find phandle 794981747 [ 0.122701] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.18.0-rc7-next-20251126-00002-g1cd98992c487-dirty #21 PREEMPT [ 0.122739] Hardware name: NVIDIA Jetson AGX Xavier Developer Kit (DT) [ 0.122747] Call trace: [ 0.122753] show_stack+0x18/0x24 (C) [ 0.122772] dump_stack_lvl+0x74/0x8c [ 0.122788] dump_stack+0x18/0x24 [ 0.122801] of_phandle_iterator_next+0x18c/0x1c4 [ 0.122819] of_count_phandle_with_args+0xa0/0xc8 [ 0.122832] gpio_shared_of_traverse+0xd4/0x4c8 [ 0.122848] gpio_shared_of_traverse+0x178/0x4c8 [ 0.122860] gpio_shared_init+0x11c/0x1f8 [ 0.122878] do_one_initcall+0x7c/0x1c0 [ 0.122892] kernel_init_freeable+0x204/0x2e0 [ 0.122908] kernel_init+0x20/0x1d8 [ 0.122923] ret_from_fork+0x10/0x20 [ 0.123055] gpiolib_shared: Finished scanning firmware nodes for shared GPIOs Jon -- nvpublic