On Wed, 23 Jul 2014 09:21:29 -0700 Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > On Wed, Jul 23, 2014 at 05:03:14PM +0100, One Thousand Gnomes wrote: > > > + if (gpiochip_remove(&spriv->gpio->gpio_chip)) > > > + dev_err(&serial->interface->dev, "unable to remove gpio_chip?\n"); > > > + kfree(spriv->gpio); > > > + } > > > +#endif > > > kfree(spriv); > > > > Only other question I have - if I have multiple PL2303HX adapters how > > will I work out which GPIO lines belong to which /dev/ttyUSB* interface ? > > sysfs _should_ show you this, as it should point to the "parent" device, > which will be associated with the ttyUSB interface. Well, both the tty > device and the gpio device will have the same parent, is that good > enough to determine this, or should the gpio device have the tty device > as its parent? Good point - that's probably sufficient as is. The GPIO and tty lines are sometimes used together and sometimes not. Alan -- 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
