Hi, On 15/09/2016 at 14:29:24 +0200, Richard Genoud wrote : > Since: > commit c32b5bcfa3c43a3c9bb59f65b5e76adb7384c4c8 > Author: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx> > Date: Tue Jul 12 22:45:59 2016 +0200 > > ARM: dts: at91: Fix USB endpoint nodes > > Endpoint nodes have a reg property. Add their mandatory unit-address. > > Booting with an USB gadget configured as Ethernet gadget + RNDIS Good catch, I seem to have forgotten a patch in that series. I4ll send that shortly. > Gives a warning: > > On AT91SAM9x5 platform (g35) : > g_ether gadget: high-speed config #1: CDC Ethernet (ECM) > ------------[ cut here ]------------ > WARNING: CPU: 0 PID: 1 at drivers/usb/gadget/udc/core.c:264 > usb_ep_queue+0x4c/0xec > CPU: 0 PID: 1 Comm: swapper Not tainted 4.8.0-rc6-00071-gcc183ac148d0 #134 > Hardware name: Atmel AT91SAM9 > [<c000f164>] (unwind_backtrace) from [<c000d158>] (show_stack+0x20/0x24) > [<c000d158>] (show_stack) from [<c01ba940>] (dump_stack+0x20/0x28) > [<c01ba940>] (dump_stack) from [<c0017f30>] (__warn+0xe0/0x10c) > [<c0017f30>] (__warn) from [<c001802c>] (warn_slowpath_null+0x30/0x38) > [<c001802c>] (warn_slowpath_null) from [<c02cd78c>] (usb_ep_queue+0x4c/0xec) > [<c02cd78c>] (usb_ep_queue) from [<c02d55b8>] (ecm_do_notify+0x134/0x150) > [<c02d55b8>] (ecm_do_notify) from [<c02d5840>] (ecm_set_alt+0x14c/0x154) > [<c02d5840>] (ecm_set_alt) from [<c02c9144>] (composite_setup+0xa2c/0x13c0) > [<c02c9144>] (composite_setup) from [<c02d3a90>] (usba_udc_irq+0x888/0xb4c) > [<c02d3a90>] (usba_udc_irq) from [<c00458a0>] > (__handle_irq_event_percpu+0x74/0x1dc) > [<c00458a0>] (__handle_irq_event_percpu) from [<c0045a34>] > (handle_irq_event_percpu+0x2c/0x68) > [<c0045a34>] (handle_irq_event_percpu) from [<c0045aa8>] > (handle_irq_event+0x38/0x4c) > [<c0045aa8>] (handle_irq_event) from [<c0048a94>] > (handle_fasteoi_irq+0xa0/0x114) > [<c0048a94>] (handle_fasteoi_irq) from [<c004512c>] > (generic_handle_irq+0x28/0x38) > [<c004512c>] (generic_handle_irq) from [<c00451cc>] > (__handle_domain_irq+0x90/0xb8) > [<c00451cc>] (__handle_domain_irq) from [<c0009450>] (aic_handle+0xb0/0xb8) > [<c0009450>] (aic_handle) from [<c000dca8>] (__irq_svc+0x68/0x84) > Exception stack(0xc788dc68 to 0xc788dcb0) > dc60: 00000151 000004f6 00000151 c7075b70 c89693b0 c8964000 > dc80: c79c7400 000060e8 c79aa000 c7bd55c0 00000023 c788dd3c c788dd00 c788dcb8 > dca0: c0319cc0 c0319cd4 80000013 ffffffff > [<c000dca8>] (__irq_svc) from [<c0319cd4>] (ubi_attach_fastmap+0x858/0xcc8) > [<c0319cd4>] (ubi_attach_fastmap) from [<c0278744>] > (ubi_scan_fastmap+0x644/0x854) > [<c0278744>] (ubi_scan_fastmap) from [<c027542c>] (scan_fast+0x10c/0x17c) > [<c027542c>] (scan_fast) from [<c02757c0>] (ubi_attach+0xb0/0x21c) > [<c02757c0>] (ubi_attach) from [<c0269520>] (ubi_attach_mtd_dev+0x320/0x820) > [<c0269520>] (ubi_attach_mtd_dev) from [<c06b42d4>] (ubi_init+0x1a8/0x248) > [<c06b42d4>] (ubi_init) from [<c0697df0>] (do_one_initcall+0xb4/0x16c) > [<c0697df0>] (do_one_initcall) from [<c0697fb0>] > (kernel_init_freeable+0x108/0x1d4) > [<c0697fb0>] (kernel_init_freeable) from [<c04e3c84>] (kernel_init+0x18/0x100) > [<c04e3c84>] (kernel_init) from [<c000a470>] (ret_from_fork+0x14/0x24) > ---[ end trace 8150ab0dc38dec93 ]--- > > Same on SAMA5D3: > g_ether gadget: high-speed config #1: CDC Ethernet (ECM) > ------------[ cut here ]------------ > WARNING: CPU: 0 PID: 0 at drivers/usb/gadget/udc/core.c:264 > usb_ep_queue+0x5c/0x64 > Modules linked in: > CPU: 0 PID: 0 Comm: swapper Not tainted 4.8.0-rc6+ #135 > Hardware name: Atmel SAMA5 > [<c010ce70>] (unwind_backtrace) from [<c010a88c>] (show_stack+0x10/0x14) > [<c010a88c>] (show_stack) from [<c0115bb0>] (__warn+0xe4/0xfc) > [<c0115bb0>] (__warn) from [<c0115c78>] (warn_slowpath_null+0x20/0x28) > [<c0115c78>] (warn_slowpath_null) from [<c03cc608>] (usb_ep_queue+0x5c/0x64) > [<c03cc608>] (usb_ep_queue) from [<c03d1124>] (ecm_do_notify+0xec/0x14c) > [<c03d1124>] (ecm_do_notify) from [<c03d130c>] (ecm_set_alt+0x74/0x150) > [<c03d130c>] (ecm_set_alt) from [<c03c9364>] (composite_setup+0xb84/0x1570) > [<c03c9364>] (composite_setup) from [<c03cf364>] (usba_udc_irq+0x878/0xd4c) > [<c03cf364>] (usba_udc_irq) from [<c013f12c>] > (__handle_irq_event_percpu+0x88/0x124) > [<c013f12c>] (__handle_irq_event_percpu) from [<c013f1e4>] > (handle_irq_event_percpu+0x1c/0x58) > [<c013f1e4>] (handle_irq_event_percpu) from [<c013f248>] > (handle_irq_event+0x28/0x3c) > [<c013f248>] (handle_irq_event) from [<c0141c8c>] > (handle_fasteoi_irq+0xa0/0x168) > [<c0141c8c>] (handle_fasteoi_irq) from [<c013e87c>] > (generic_handle_irq+0x24/0x34) > [<c013e87c>] (generic_handle_irq) from [<c013ead8>] > (__handle_domain_irq+0x54/0xa8) > [<c013ead8>] (__handle_domain_irq) from [<c010b34c>] (__irq_svc+0x6c/0x90) > [<c010b34c>] (__irq_svc) from [<c0130be4>] (finish_task_switch+0x4c/0x144) > [<c0130be4>] (finish_task_switch) from [<c054b9d0>] (schedule+0x44/0x9c) > [<c054b9d0>] (schedule) from [<c054bbd4>] (schedule_preempt_disabled+0xc/0x10) > [<c054bbd4>] (schedule_preempt_disabled) from [<c01374b8>] > (cpu_startup_entry+0x98/0xf4) > [<c01374b8>] (cpu_startup_entry) from [<c0800c38>] (start_kernel+0x35c/0x368) > [<c0800c38>] (start_kernel) from [<20008078>] (0x20008078) > ---[ end trace 27b3e952067e1be6 ]--- > > And I guess it's the same on g45, 9rl, sama5d[2-4]. > > Bisect done with a 4.8-rc6 kernel. > Here's the bisect log: > git bisect start 'arch/arm/boot/dts/' > # good: [882bd9fc46321c9d4721b376039a142cbfe8a17a] usb: gadget: udc: > atmel: Also get regmap for at91sam9x5-pmc > git bisect good 882bd9fc46321c9d4721b376039a142cbfe8a17a > # bad: [694d0d0bb2030d2e36df73e2d23d5770511dbc8d] Linux 4.8-rc2 > git bisect bad 694d0d0bb2030d2e36df73e2d23d5770511dbc8d > # good: [ab4b4340c7d74310a132cb457665bf3d98fdff79] Merge tag > 'imx-dt-4.8' of > git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into > next/dt > git bisect good ab4b4340c7d74310a132cb457665bf3d98fdff79 > # good: [349f9d5239c3dae3b984679fc9ee00b8deec542b] Merge tag > 'sunxi-dt-for-4.8' of > https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into > next/dt > git bisect good 349f9d5239c3dae3b984679fc9ee00b8deec542b > # bad: [262a5d84b2aea8deb67eca813dc3008836330596] Merge tag > 'sunxi-dt-for-4.8-2-bis' of > https://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into > next/dt > git bisect bad 262a5d84b2aea8deb67eca813dc3008836330596 > # good: [cda1c2bdf6df90c12363877fda594a0a1b7ac74a] Merge tag > 'sti-late-v4.8' of > git://git.kernel.org/pub/scm/linux/kernel/git/pchotard/sti into > next/late > git bisect good cda1c2bdf6df90c12363877fda594a0a1b7ac74a > # good: [a0e4eb4b81b44663f21b289d8126ca6f6dc8a863] ARM: dts: sun8i: > Use sun8i-reference-design-tablet for polaroid mid2809pxe04 > git bisect good a0e4eb4b81b44663f21b289d8126ca6f6dc8a863 > # bad: [d3c1c7181f55f3464529decad189f2317a2932da] ARM: dts: at91: > vinco: fix regulator name > git bisect bad d3c1c7181f55f3464529decad189f2317a2932da > # bad: [a63f6a64cc1e78366382657cab70772240b6dcc2] ARM: dts: at91: > sama5d3_xplained: fix regulator name > git bisect bad a63f6a64cc1e78366382657cab70772240b6dcc2 > # bad: [c32b5bcfa3c43a3c9bb59f65b5e76adb7384c4c8] ARM: dts: at91: Fix > USB endpoint nodes > git bisect bad c32b5bcfa3c43a3c9bb59f65b5e76adb7384c4c8 > # good: [c94afa132b6d7f8e412a12da44da6203d2cd23d4] ARM: dts: at91: Fix > ADC trigger nodes > git bisect good c94afa132b6d7f8e412a12da44da6203d2cd23d4 > # first bad commit: [c32b5bcfa3c43a3c9bb59f65b5e76adb7384c4c8] ARM: > dts: at91: Fix USB endpoint nodes > > on xplained board, I used at91-sama5d3_xplained.dtb and sama5_defconfig plus : > CONFIG_USB_ETH=y > CONFIG_USB_ETH_RNDIS=y -- Alexandre Belloni, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
