On Fri, Mar 18, 2011 at 01:19:53PM +0100, Arnd Bergmann wrote: > On Friday 18 March 2011, Waldemar Rymarkiewicz wrote: > > + > > + mutex_lock(&info->rx_mutex); > > + info->irq_state = 1; > > + mutex_unlock(&info->rx_mutex); > > + > > + wake_up_interruptible(&info->rx_waitq); > > + > > + return IRQ_HANDLED; > > +} > You cannot take a mutex from interrupt context, that may > cause deadlocks. This is a threaded IRQ handler so mutexes are fine. -- 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
