On Thu, Sep 18, 2014 at 03:43:07PM +0300, Octavian Purdila wrote: > On Thu, Sep 18, 2014 at 1:54 PM, Johan Hovold <johan@xxxxxxxxxx> wrote: > > On Tue, Sep 09, 2014 at 10:24:46PM +0300, Octavian Purdila wrote: > > Either way, it looks like this could race with get_direction() if you > > get a set_direction() while get_direction() is retrieving the direction > > from the device. > > > > This would break gpio_get(). > > > I don't think gpio_set_direction() and gpio_get() are allowed to race. I wrote that set_direction() and get_direction() could race, which in turn would break gpio_get() as you would be caching the wrong direction setting. But perhaps gpiolib prevents this from happening. Johan -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
