On Thu, Feb 19, 2015 at 02:55:24PM +0100, Milutin Aksic wrote: > Hello, > I want to communicate my android gt-s5570 with microcontroller via usb to > serial communication adapter (Prolific pl2303hxd chip uart to rs232). Kernel > is 2.6.35.7 version (custom ROM jb 4.2.2) and I compiled pl2303.ko module Eeek, 2.6.35? That's just _so_ old it's not funny, and nothing that any community member can ever support, sorry. If you ar stuck with that kernel version due to a vendor, please work with that vendor to solve your issue, as you are paying support from them. > and installed with insmod command without errors. Also I created 8 devices > as: > mknod /dev/ttyUSB0 c 188 0 > mknod /dev/ttyUSB1 c 188 1 ... Why would you do this? devtmpfs should have created them automatically when the device is plugged in and bound to the driver? > and so on. But when I connect converter with otg cable nothing happens. > Simpletest apk finds no devices and dmesg shows nothing related to inserted > pl2303 converter. What does the kernel log show when you plug the device in? thanks, greg k-h -- 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
