Hi Dinh, On 12/9/2021 1:44 AM, Dinh Nguyen wrote: > Hi Arthur, > > The usb driver is getting this error: > > [ 1.539856] Hardware name: SoCFPGA Agilex SoCDK (DT) > [ 1.544799] Call trace: > [ 1.547233] dump_backtrace+0x0/0x1c0 > [ 1.550897] show_stack+0x18/0x68 > [ 1.554202] dump_stack+0xd8/0x134 > [ 1.557597] __report_bad_irq+0x38/0xf0 > [ 1.561423] note_interrupt+0x31c/0x3e8 > [ 1.565244] handle_irq_event_percpu+0x60/0x90 > [ 1.569671] handle_irq_event+0x48/0xe0 > [ 1.573491] handle_fasteoi_irq+0xb0/0x138 > [ 1.577574] generic_handle_irq+0x30/0x48 > [ 1.581567] __handle_domain_irq+0x60/0xb8 > [ 1.585646] gic_handle_irq+0xb4/0xd0 > [ 1.589300] el1_irq+0xb8/0x150 > [ 1.592428] arch_cpu_idle+0x18/0x28 > [ 1.595992] default_idle_call+0x24/0x5c > [ 1.599899] do_idle+0x1f4/0x290 > [ 1.603118] cpu_startup_entry+0x28/0x68 > [ 1.607026] rest_init+0xd8/0xe8 > [ 1.610242] arch_call_rest_init+0x10/0x1c > [ 1.614329] start_kernel+0x50c/0x544 > [ 1.617980] handlers: > [ 1.620241] [<00000000ae601aac>] dwc2_handle_common_intr > [ 1.625541] [<00000000255d793a>] dwc2_hsotg_irq > [ 1.630056] [<000000000bc68ab4>] usb_hcd_irq > [ 1.634312] Disabling IRQ #33 > > After a git-bisect, the result is this commit: > > > commit 50fb0c128b6e8df62200ba85c05ecd6b1396476d > Author: Artur Petrosyan<Arthur.Petrosyan@xxxxxxxxxxxx> > Date: Tue Apr 13 11:37:15 2021 +0400 > > usb: dwc2: Add clock gating entering flow by system suspend > > If not hibernation nor partial power down are supported, > clock gating is used to save power. > > Adds a new flow of entering clock gating when PC is > suspended. > > Signed-off-by: Artur Petrosyan<Arthur.Petrosyan@xxxxxxxxxxxx> > Link:https://lore.kernel.org/r/20210413073716.30C13A0094@xxxxxxxxxxxxxxxxxxxxx > Signed-off-by: Greg Kroah-Hartman<gregkh@xxxxxxxxxxxxxxxxxxx> > > The DWC2 USB version on the Agilex platform is > 0x4F54330A > Could you please provide HW configuration registers values (GHWCFG1-4). Thanks, Minas > Do you have a suggestion on possible solution? > > Thanks, > Dinh >
