> >[<800a9304>] (dma_pool_alloc+0x0/0x250) from [<802a8ad8>] > >(fsl_req_to_dtd+0xac/0x180) [<802a8a2c>] (fsl_req_to_dtd+0x0/0x180) from > >[<802a8ce4>] (fsl_ep_queue+0x138/0x274) [<802a8bac>] > >(fsl_ep_queue+0x0/0x274) from [<7f004328>] (composite_setup+0x2d4/0xfac > >[g_ether]) [<7f004054>] (composite_setup+0x0/0xfac [g_ether]) from > >[<802a9bb4>] (fsl_udc_irq+0x8dc/0xd38) [<802a92d8>] > (fsl_udc_irq+0x0/0xd38) > >from [<800704f8>] (handle_irq_event_percpu+0x54/0x188) > >[<800704a4>] (handle_irq_event_percpu+0x0/0x188) from [<80070674>] > >(handle_irq_event+0x48/0x68) [<8007062c>] (handle_irq_event+0x0/0x68) > from > >[<800738ec>] (handle_level_irq+0xb4/0x138) > > r5:80514f94 r4:80514f40 > > [<80073838>] (handle_level_irq+0x0/0x138) from [<8006ffa4>] > >(generic_handle_irq+0x38/0x44) > > r7:00000012 r6:80510b1c r5:80529860 r4:80512000 [<8006ff6c>] > >(generic_handle_irq+0x0/0x44) from [<8000f4c4>] (handle_IRQ+0x54/0xb4) > >[<8000f470>] (handle_IRQ+0x0/0xb4) from [<800085b8>] > >(tzic_handle_irq+0x64/0x94) > > r9:412fc085 r8:00000000 r7:80513f30 r6:00000001 r5:00000000 > r4:00000000 > >[<80008554>] (tzic_handle_irq+0x0/0x94) from [<8000e680>] > >(__irq_svc+0x40/0x60) > > > >The reason of above dump message is calling dma_poll_alloc with can- > >schedule mem_flags at interrupt context. Changing mem_flags from > >GFP_KERNEL to GFP_ATOMIC fix this problem. > > Thanks for the patch. But I think the proper way to fix this is to use > the gfp_flags parameter passed by fsl_ep_queue(). > Hi Leo, current allocate dtd descriptor code are all at atomic context. > - Leo -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
