Hi On Fri, Mar 25, 2016 at 11:09 PM, Pavel Machek <pavel@xxxxxx> wrote: > Hi! > >> OK, so at last I finished charging of my N900; found 1.8V USB >> to UART adapter and soldered it to the phone. >> >> I managed to boot N900 with working USB gadget (builtin g_ether) >> in boardfile mode, can ping it from PC and transfer data. I don't >> see any issue (except of musb name issue in twl phy driver, I've >> already sent a fix for that: https://lkml.org/lkml/2016/3/24/670 ) >> >> Pavel, I still don't see how you've got your issue, please share >> more detials > > Ok, let me try. I undid all the changes in drivers/phy drivers/usb and > include/linux/usb . I have all the gadget stuff built-in, so that I > could use nfsroot, but this is boot from mmcblk. So do you mean you use original rootfs that was shipeed with N900? > > gzipped config is attached. Thanks, I'll try that > > PC is unable to work with the gadget: > > [256526.716099] usb 2-1: new full-speed USB device number 52 using > uhci_hcd > [256526.832091] usb 2-1: device descriptor read/64, error -32 > [256527.052095] usb 2-1: device descriptor read/64, error -32 > [256527.268160] usb 2-1: new full-speed USB device number 53 using > uhci_hcd > [256527.388121] usb 2-1: device descriptor read/64, error -32 > [256527.608116] usb 2-1: device descriptor read/64, error -32 > [256527.824170] usb 2-1: new full-speed USB device number 54 using > uhci_hcd > [256527.851175] usb 2-1: device descriptor read/8, error -32 > [256527.975175] usb 2-1: device descriptor read/8, error -32 > [256528.188133] usb 2-1: new full-speed USB device number 55 using > uhci_hcd > [256528.218184] usb 2-1: device descriptor read/8, error -32 > [256528.343183] usb 2-1: device descriptor read/8, error -32 > [256528.444314] usb usb2-port1: unable to enumerate USB device > > Dmesg from the n900 is attached as /tmp/delme.gz. I did _not_ apply > the patch from https://lkml.org/lkml/2016/3/24/670 , yet, as I'm using > devicetree boot. Hmm.. don't see anything strange in the boot log related to USB, I'll try your config Best regards Ruslan > > Best regards, > > Pavel > -- > (english) http://www.livejournal.com/~pavelmachek > (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
