Re: [PATCH v4 07/10] arm64: select HAVE_SHARED_GPIOS for ARCH_QCOM

Bartosz Golaszewski
2025-11-26T16:00:20Z

On Wed, Nov 26, 2025 at 4:47 PM Jon Hunter <jonathanh@nvidia.com> wrote:
>
>
>
> 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

So I have no idea why the special __symbols__ node has a "gpio"
property but as this is a special case, I think we should just
explicitly ignore it.

Let me send a patch.

Bart

> [ 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
>