On Mon, May 14, 2012 at 01:14:11PM -0700, louis@xxxxxxxxxxxxxxxx wrote: > Hi Johan, > I am working on a bug in which ftdi-sio throws an EPERM error in > ftdi_submit_read_urb and stumbled across your patch for it from 2009. I > don't think it made it into the main kernel though (I checked as late as > 2.6.33.20). Do you know if there is a reason it's excluded? > > http://permalink.gmane.org/gmane.linux.usb.general/25798 You must be using an ancient (and thus unsupported) kernel -- the EPERM-error-suppression fix is in mainline since 2009: e2b5cbfe77ecb ("USB: ftdi_sio: fix error message on close") The ftdi_sio-driver has since been converted to use the generic read implementation which also handles EPERM. If you have any problems with ftdi_sio using a recent (>=3.0) kernel, then please report them to linux-usb@xxxxxxxxxxxxxxx. Good luck, Johan -- 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
