On Wed, Nov 26, 2025 at 3:51 PM Jon Hunter <[email protected]> wrote: > > > On 26/11/2025 14:28, Bartosz Golaszewski wrote: > > On Wed, Nov 26, 2025 at 3:24 PM Jon Hunter <[email protected]> wrote: > >> > >> Hi Bartosz, > >> > >> On 12/11/2025 13:55, Bartosz Golaszewski wrote: > >>> From: Bartosz Golaszewski <[email protected]> > >>> > >>> Some qualcomm platforms use shared GPIOs. Enable support for them by > >>> selecting the Kconfig switch provided by GPIOLIB. > >>> > >>> Acked-by: Linus Walleij <[email protected]> > >>> Signed-off-by: Bartosz Golaszewski <[email protected]> > >>> --- > >>> arch/arm64/Kconfig.platforms | 1 + > >>> 1 file changed, 1 insertion(+) > >>> > >>> diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms > >>> index > >>> 13173795c43d4f28e2d47acc700f80a165d44671..3dbff0261f0add0516d8cb3fd0f29e277af94f20 > >>> 100644 > >>> --- a/arch/arm64/Kconfig.platforms > >>> +++ b/arch/arm64/Kconfig.platforms > >>> @@ -316,6 +316,7 @@ config ARCH_QCOM > >>> select GPIOLIB > >>> select PINCTRL > >>> select HAVE_PWRCTRL if PCI > >>> + select HAVE_SHARED_GPIOS > >>> help > >>> This enables support for the ARMv8 based Qualcomm chipsets. > >>> > >> > >> I have noticed the following kernel warning on our Tegra platforms ... > >> > >> ERR KERN OF: /__symbols__: could not find phandle 794981747 > >> > >> Bisect is pointing to this commit and reverting this does prevent it. I > >> am not sure if anyone else has seen this? > >> > > > > I assume it comes from drivers/of/base.c:1295 - could you please post > > a stack trace of how you're getting there? > > Yes looks like it does and I see ... > > [ 0.123356] OF: /__symbols__: could not find phandle 794981747 > [ 0.123401] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted > 6.18.0-rc7-next-20251126-00002-g1cd98992c487-dirty #19 PREEMPT > [ 0.123418] Hardware name: NVIDIA Jetson AGX Xavier Developer Kit (DT) > [ 0.123447] Call trace: > [ 0.123453] show_stack+0x18/0x24 (C) > [ 0.123472] dump_stack_lvl+0x74/0x8c > [ 0.123487] dump_stack+0x18/0x24 > [ 0.123518] of_phandle_iterator_next+0x18c/0x1c4 > [ 0.123536] of_count_phandle_with_args+0xa0/0xc8 > [ 0.123551] gpio_shared_of_traverse+0xb8/0x47c > [ 0.123566] gpio_shared_of_traverse+0x158/0x47c > [ 0.123578] gpio_shared_init+0x110/0x1f0 > [ 0.123595] do_one_initcall+0x7c/0x1c0 > [ 0.123607] kernel_init_freeable+0x204/0x2e0 > [ 0.123622] kernel_init+0x20/0x1d8 > [ 0.123637] ret_from_fork+0x10/0x20 >
Is the device-tree used here upstream? Can you enable DEBUG_GPIO in Kconfig and post the entire kernel log on pastebin? Bartosz
