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From: Jon Hunter <jonathanh@nvidia.com>
To: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: Kees Cook <kees@kernel.org>, Mika Westerberg <westeri@kernel.org>,
	Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Linus Walleij <linus.walleij@linaro.org>,
	Manivannan Sadhasivam <mani@kernel.org>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Saravana Kannan <saravanak@google.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Andy Shevchenko <andy@kernel.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	Srinivas Kandagatla <srini@kernel.org>,
	Liam Girdwood <lgirdwood@gmail.com>,
	Mark Brown <broonie@kernel.org>, Jaroslav Kysela <perex@perex.cz>,
	Takashi Iwai <tiwai@suse.com>,
	Alexey Klimov <alexey.klimov@linaro.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Konrad Dybcio <konradybcio@kernel.org>,
	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 <bartosz.golaszewski@linaro.org>,
	"linux-tegra@vger.kernel.org" <linux-tegra@vger.kernel.org>
Subject: Re: [PATCH v4 07/10] arm64: select HAVE_SHARED_GPIOS for ARCH_QCOM
Date: Wed, 26 Nov 2025 15:47:28 +0000	[thread overview]
Message-ID: <b166f160-e4e2-43a2-866a-3341cc91a13e@nvidia.com> (raw)
In-Reply-To: <CAMRc=McSrKgL=q8xfH_Vndg7rCfy1TVgRh+dFRqFCiBwT_J2yw@mail.gmail.com>



On 26/11/2025 15:33, Bartosz Golaszewski wrote:
> On Wed, Nov 26, 2025 at 4:29 PM Jon Hunter <jonathanh@nvidia.com> wrote:
>>
>>>>
>>>
>>> Is the device-tree used here upstream? 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


  reply	other threads:[~2025-11-26 15:47 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20251112-gpio-shared-v4-0-b51f97b1abd8@linaro.org>
     [not found] ` <20251112-gpio-shared-v4-7-b51f97b1abd8@linaro.org>
2025-11-26 14:24   ` [PATCH v4 07/10] arm64: select HAVE_SHARED_GPIOS for ARCH_QCOM Jon Hunter
2025-11-26 14:28     ` Bartosz Golaszewski
2025-11-26 14:51       ` Jon Hunter
2025-11-26 14:54         ` Bartosz Golaszewski
2025-11-26 14:55           ` Jon Hunter
2025-11-26 15:05             ` Bartosz Golaszewski
2025-11-26 15:29           ` Jon Hunter
2025-11-26 15:33             ` Bartosz Golaszewski
2025-11-26 15:47               ` Jon Hunter [this message]
2025-11-26 16:00                 ` Bartosz Golaszewski
     [not found] ` <20251112-gpio-shared-v4-3-b51f97b1abd8@linaro.org>
2026-03-11 18:38   ` [PATCH v4 03/10] gpiolib: implement low-level, shared GPIO support Jon Hunter
2026-03-11 20:14     ` Andy Shevchenko
2026-03-12  7:28       ` Jon Hunter
2026-03-12  7:49         ` Chen-Yu Tsai
2026-03-12  8:41           ` Jon Hunter
2026-03-12  9:28             ` Andy Shevchenko
2026-03-13 14:18           ` Bartosz Golaszewski

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