Hello, I am trying to get max14830 working on our platform and I'm seeing a stack trace for each of the UARTs in my device tree. I'm not sure what the fix is. I'm running 6.1.15-580639a (OpenBMC 2.14.0) on ASPEED ast2600. Any help appreciated. [ 2.608620] max310x 11-006c: clock is not stable yet [ 2.614933] 11-006c: ttyMAX0 at I/O 0x0 (irq = 57, base_baud = 3750000) is a MAX14830 [ 2.625532] 11-006c: ttyMAX1 at I/O 0x1 (irq = 57, base_baud = 3750000) is a MAX14830 [ 2.636061] 11-006c: ttyMAX2 at I/O 0x2 (irq = 57, base_baud = 3750000) is a MAX14830 [ 2.646513] 11-006c: ttyMAX3 at I/O 0x3 (irq = 57, base_baud = 3750000) is a MAX14830 And, [ 88.430219] irq 57: nobody cared (try booting with the "irqpoll" option) [ 88.437720] CPU: 0 PID: 65 Comm: irq/57-11-006c Not tainted 6.1.15-580639a #1 [ 88.445687] Hardware name: Generic DT based system [ 88.451046] unwind_backtrace from show_stack+0x18/0x1c [ 88.456906] show_stack from dump_stack_lvl+0x40/0x4c [ 88.462556] dump_stack_lvl from __report_bad_irq+0x44/0xc8 [ 88.468784] __report_bad_irq from note_interrupt+0x2c8/0x314 [ 88.475208] note_interrupt from handle_irq_event+0x90/0x94 [ 88.481436] handle_irq_event from handle_level_irq+0xbc/0x1b4 [ 88.487952] handle_level_irq from generic_handle_domain_irq+0x30/0x40 [ 88.495253] generic_handle_domain_irq from aspeed_gpio_irq_handler+0xac/0x158 [ 88.503326] aspeed_gpio_irq_handler from generic_handle_domain_irq+0x30/0x40 [ 88.511305] generic_handle_domain_irq from gic_handle_irq+0x6c/0x80 [ 88.518411] gic_handle_irq from generic_handle_arch_irq+0x34/0x44 [ 88.525316] generic_handle_arch_irq from call_with_stack+0x18/0x20 [ 88.532328] call_with_stack from __irq_svc+0x98/0xb0 [ 88.537973] Exception stack(0xbf925eb0 to 0xbf925ef8) [ 88.543614] 5ea0: 45854088 00000003 00000001 00000000 [ 88.552742] 5ec0: 00000000 4184ee80 45854088 00000000 45854000 41a64140 00000000 00000000 [ 88.561870] 5ee0: 00000000 bf925f00 4016bb7c 4016bac0 600f0013 ffffffff [ 88.569252] __irq_svc from __wake_up_common_lock+0x1c/0xb8 [ 88.575483] __wake_up_common_lock from __wake_up+0x20/0x28 [ 88.581714] __wake_up from irq_thread+0x118/0x1ec [ 88.587070] irq_thread from kthread+0xd8/0xf4 [ 88.592040] kthread from ret_from_fork+0x14/0x2c [ 88.597288] Exception stack(0xbf925fb0 to 0xbf925ff8) [ 88.602923] 5fa0: 00000000 00000000 00000000 00000000 [ 88.612053] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 88.621179] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 88.628559] handlers: [ 88.631088] [<4f379e2c>] irq_default_primary_handler threaded [<26199d83>] max310x_ist [ 88.639952] Disabling IRQ #57 __________________________ Usha Srinivasan External recipient