On Thu, Apr 09, 2015 at 04:17:26PM +0200, Yegor Yefremov wrote: > On Thu, Apr 9, 2015 at 3:37 PM, Felipe Balbi <balbi@xxxxxx> wrote: > > Hi, > > > > On Thu, Apr 09, 2015 at 10:42:15AM +0200, Yegor Yefremov wrote: > >> I see this during the boot: > >> > >> platform musb-hdrc.1.auto: Driver musb-hdrc requests probe deferral > >> ------------[ cut here ]------------ > >> WARNING: CPU: 0 PID: 1 at drivers/dma/dmaengine.c:863 > >> dma_async_device_register+0x2a8/0x4d8() > >> this driver doesn't support generic slave capabilities reporting > >> Modules linked in: > >> CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.0.0-rc7 #1 > >> Hardware name: Generic AM33XX (Flattened Device Tree) > >> [<c0015ce4>] (unwind_backtrace) from [<c0012370>] (show_stack+0x10/0x14) > >> [<c0012370>] (show_stack) from [<c05f7a2c>] (dump_stack+0x84/0x9c) > >> [<c05f7a2c>] (dump_stack) from [<c003d868>] (warn_slowpath_common+0x7c/0xb8) > >> [<c003d868>] (warn_slowpath_common) from [<c003d8d4>] > >> (warn_slowpath_fmt+0x30/0x40) > >> [<c003d8d4>] (warn_slowpath_fmt) from [<c02dd5f8>] > >> (dma_async_device_register+0x2a8/0x4d8) > >> [<c02dd5f8>] (dma_async_device_register) from [<c02e1a14>] > >> (cppi41_dma_probe+0x3f4/0x470) > >> [<c02e1a14>] (cppi41_dma_probe) from [<c032152c>] (platform_drv_probe+0x44/0xa4) > >> [<c032152c>] (platform_drv_probe) from [<c031fc48>] > >> (driver_probe_device+0x104/0x23c) > >> [<c031fc48>] (driver_probe_device) from [<c031e27c>] > >> (bus_for_each_drv+0x64/0x98) > >> [<c031e27c>] (bus_for_each_drv) from [<c031fb10>] (device_attach+0x74/0x8c) > >> [<c031fb10>] (device_attach) from [<c031f1f4>] (bus_probe_device+0x88/0xb0) > >> [<c031f1f4>] (bus_probe_device) from [<c031d56c>] (device_add+0x378/0x520) > >> [<c031d56c>] (device_add) from [<c045c588>] > >> (of_platform_device_create_pdata+0xe8/0x144) > >> [<c045c588>] (of_platform_device_create_pdata) from [<c045c6cc>] > >> (of_platform_bus_create+0xdc/0x18c) > >> [<c045c6cc>] (of_platform_bus_create) from [<c045c8a8>] > >> (of_platform_populate+0x5c/0xac) > >> [<c045c8a8>] (of_platform_populate) from [<c0402a7c>] > >> (am335x_child_probe+0x28/0x44) > >> [<c0402a7c>] (am335x_child_probe) from [<c032152c>] > >> (platform_drv_probe+0x44/0xa4) > >> [<c032152c>] (platform_drv_probe) from [<c031fc48>] > >> (driver_probe_device+0x104/0x23c) > >> [<c031fc48>] (driver_probe_device) from [<c031fe58>] (__driver_attach+0x94/0x98) > >> [<c031fe58>] (__driver_attach) from [<c031e1d0>] (bus_for_each_dev+0x6c/0xa0) > >> [<c031e1d0>] (bus_for_each_dev) from [<c031f46c>] (bus_add_driver+0x144/0x1f0) > >> [<c031f46c>] (bus_add_driver) from [<c03205b0>] (driver_register+0x78/0xf8) > >> [<c03205b0>] (driver_register) from [<c0008b84>] (do_one_initcall+0x80/0x1dc) > >> [<c0008b84>] (do_one_initcall) from [<c087fd88>] > >> (kernel_init_freeable+0x110/0x1d8) > >> [<c087fd88>] (kernel_init_freeable) from [<c05f472c>] (kernel_init+0x8/0xec) > >> [<c05f472c>] (kernel_init) from [<c000e910>] (ret_from_fork+0x14/0x24) > >> ---[ end trace e3462ce3acfe8469 ]--- > >> > >> So far I could only find this patch, but it is > >> drivers/dma/qcom_bam_dma.c related: https://lkml.org/lkml/2015/3/5/324 > >> > >> My DTS: https://github.com/visionsystemsgmbh/onrisc_br_bsp/blob/master/board/vscom/dts/3.15/onrisc-baltos-ir-5221.dts > > > > try this patch: > > > > https://marc.info/?l=linux-usb&m=142851161717345&w=2 > > Thanks. It's working. Cool, thanks :-) -- balbi
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