> > On 02.11.2012 17:31, Afzal Mohammed wrote: > > This series adds usb support to am335x SoC's found on boards like > > Beagle Bone. Here only first instance is supported, as currently > > multiple phy's of same type is not supported (am335x has two USB2 > > phy's). > > I'm testing these patches with an AM33xx board that has the > first musb port wired to an USB type A plug, but it doesn't > yet work for me. > > The messages I'm getting are: > > [ 1.219339] ehci_hcd: USB 2.0 'Enhanced' Host Controller > (EHCI) Driver > [ 1.226568] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver Why ehci, ohci has selected for am335xx platform? > [ 1.233444] usbcore: registered new interface driver uas > [ 1.239066] Initializing USB Mass Storage driver... > [ 1.244395] usbcore: registered new interface driver usb-storage > [ 1.250732] USB Mass Storage support registered. > [ 1.255573] musb-hdrc: version 6.0, ?dma?, otg (peripheral+host) > [ 1.262671] musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk > combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn) > [ 1.262889] musb-hdrc: MHDRC RTL version 2.0 > [ 1.262907] musb-hdrc: setup fifo_mode 4 > [ 1.262940] musb-hdrc: 28/31 max ep, 16384/16384 memory > > So there is no host interface registered. I'm unsure on how The host interface will be registered when you load the gadget driver, (like insmod g_zero.ko ,etc). > to fix this, and I didn't get an answer yet to that question > when I asked Felipe about how interface drivers like dsps are > supposed to act in order to get host mode back after the > recent musb cleanups. > > What type of hardware do you test this with? Does host mode > work for you? > By default only otg build is supported, you must insert the gadget module for each usb port in order to enable the host/device functionality. Have you checked with loading any gadget module (g_ether.ko, or g_ether.ko etc)? -RaviBabu > > Many thanks, > Daniel > > > -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
