Felipe Balbi wrote: > On Wed, Dec 09, 2009 at 02:30:35PM +0100, ext Gadiyar, Anand wrote: > >Another issue with the whole series: > > > >testusb with g_zero fails on some OUT transfers: > >I ran this: > >sudo ./testusb -a -t 1 -c 1 -s 4096 > > > >On the OMAP, I see only 512 bytes were received, > >and DMA is still waiting for the remaining 3584 > >bytes. Maybe a bug in the Autoclear handling? > > > >IN transfers went through okay. > > > >Will debug some more tomorrow. Any chance you can give this a > >shot on your boards as well? > > I can ran it tomorrow. I'll have time tomorrow for looking at this > also. > This issue occurs with "[PATCH 21/22] usb: musb: enabling dma tx for gadget" Logs below (at debug level 5). Not sure when I'll next get a chance to look at this, so sent this out now. Will revisit sometime later, unless someone beats me to it. - Anand musb_interrupt 1505: ** IRQ peripheral usb0008 tx0001 rx0000 musb_g_ep0_irq 643: csr 0001, count 8, myaddr 16, ep0stage idle musb_read_fifo 209: RX ep0 fifo fa0ab020 count 8 buf c03dbe66 musb_read_setup 577: SETUP req01.0b v0000 i0000 l0 musb_g_ep0_irq 819: handled 0, csr 0001, ep0stage wait musb_gadget_disable 920: disabling ep1in nuke 324: ep1in nuke, DMA c7864018 RxCSR 0000 TxCSR 0003 stop_dma 273: ep1in dma stopped (addr 0x87a62000, len 0) musb_g_giveback 128: ep1in request c78f34c0, 0/4096 fault -108 musb_gadget_disable 953: ep1in musb_gadget_disable 920: disabling ep1out nuke 324: ep1out nuke, DMA (null) RxCSR 0000 TxCSR 0000 musb_g_giveback 128: ep1out request c7a56e80, 0/4096 fault -108 musb_gadget_disable 953: ep1out musb_gadget_enable 781: ===> enabling ep1in musb_gadget_queue 1023: <== to ep1in request=c7a56e80, length 4096 musb_gadget_queue 1052: restarting musb_ep_restart 449: <== TX/IN request c7a56e80 len 4096 on hw_ep1(pio) dma_channel_program 174: ep1-Tx pkt_sz 512, dma_addr 0x87a55000 length 4096, mode 1 configure_channel 129: c7864018, pkt_sz 512, addr 0x87a55000, len 4096, mode 1 start_dma 256: ep1in DMA started (addr 0x87a55000, len 4096, CSR b400) musb_gadget_enable 781: ===> enabling ep1out musb_gadget_queue 1023: <== to ep1out request=c78f34c0, length 4096 musb_g_ep0_queue 925: queue to ep0 (OUT/RX), length=0 musb_g_giveback 123: ep0 done request c78f3780, 0/0 musb_interrupt 1505: ** IRQ peripheral usb0008 tx0003 rx0002 musb_g_ep0_irq 643: csr 0000, count 0, myaddr 16, ep0stage in/status musb_g_rx 681: <== ep1out, rxcsr 0003 c78f34c0 (dma disabled, false) dma_channel_program 174: ep1-Rx pkt_sz 512, dma_addr 0x87a62000 length 4096, mode 1 start_dma 256: ep1out DMA started (addr 0x87a62000, len 4096, CSR a803) musb_g_tx 476: <== ep1in, txcsr b403 musb_g_tx 515: ep1in dma still busy? -- 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
