[PATCH v2] arm64: dts: meson-sm1-odroid: use correct enable-gpio pin for tf-io regulator
Neil Armstrong
narmstrong at baylibre.com
Fri Feb 4 00:23:16 PST 2022
Hi,
On Thu, 27 Jan 2022 14:05:37 +0100, Lutz Koschorreck wrote:
> The interrupt pin of the external ethernet phy is used, instead of the
> enable-gpio pin of the tf-io regulator. The GPIOE_2 pin is located in
> the gpio_ao bank.
>
> This causes phy interrupt problems at system startup.
> [ 76.645190] irq 36: nobody cared (try booting with the "irqpoll" option)
> [ 76.649617] CPU: 0 PID: 1416 Comm: irq/36-0.0:00 Not tainted 5.16.0 #2
> [ 76.649629] Hardware name: Hardkernel ODROID-HC4 (DT)
> [ 76.649635] Call trace:
> [ 76.649638] dump_backtrace+0x0/0x1c8
> [ 76.649658] show_stack+0x14/0x60
> [ 76.649667] dump_stack_lvl+0x64/0x7c
> [ 76.649676] dump_stack+0x14/0x2c
> [ 76.649683] __report_bad_irq+0x38/0xe8
> [ 76.649695] note_interrupt+0x220/0x3a0
> [ 76.649704] handle_irq_event_percpu+0x58/0x88
> [ 76.649713] handle_irq_event+0x44/0xd8
> [ 76.649721] handle_fasteoi_irq+0xa8/0x130
> [ 76.649730] generic_handle_domain_irq+0x38/0x58
> [ 76.649738] gic_handle_irq+0x9c/0xb8
> [ 76.649747] call_on_irq_stack+0x28/0x38
> [ 76.649755] do_interrupt_handler+0x7c/0x80
> [ 76.649763] el1_interrupt+0x34/0x80
> [ 76.649772] el1h_64_irq_handler+0x14/0x20
> [ 76.649781] el1h_64_irq+0x74/0x78
> [ 76.649788] irq_finalize_oneshot.part.56+0x68/0xf8
> [ 76.649796] irq_thread_fn+0x5c/0x98
> [ 76.649804] irq_thread+0x13c/0x260
> [ 76.649812] kthread+0x144/0x178
> [ 76.649822] ret_from_fork+0x10/0x20
> [ 76.649830] handlers:
> [ 76.653170] [<0000000025a6cd31>] irq_default_primary_handler threaded [<0000000093580eb7>] phy_interrupt
> [ 76.661256] Disabling IRQ #36
>
> [...]
Thanks, Applied to https://git.kernel.org/pub/scm/linux/kernel/git/amlogic/linux.git (v5.17/fixes)
[1/1] arm64: dts: meson-sm1-odroid: use correct enable-gpio pin for tf-io regulator
https://git.kernel.org/amlogic/c/323ca765bfe9d637fa774373baec0bc41e51fcfa
--
Neil
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