Hi, On Thursday 21 July 2005 00:24, Pavel Machek wrote: > > +config TOUCHSCREEN_COLLIE > + tristate "Collie touchscreen (for Sharp SL-5500)" > + depends on MCP_UCB1200 && INPUT
I don't think you need && INPUT here. > > obj-$(CONFIG_TOUCHSCREEN_BITSY) += h3600_ts_input.o > obj-$(CONFIG_TOUCHSCREEN_CORGI) += corgi_ts.o > +obj-$(CONFIG_TOUCHSCREEN_COLLIE)+= collie_ts.o A tab would be nice. > + > +/* > + * This is a RT kernel thread that handles the ADC accesses > + * (mainly so we can use semaphores in the UCB1200 core code > + * to serialise accesses to the ADC). The UCB1400 access > + * functions are expected to be able to sleep as well. > + */ > +static int ucb1x00_thread(void *_ts) > +{ > + struct ucb1x00_ts *ts = _ts; > + struct task_struct *tsk = current; > + int valid; > + > + ts->rtask = tsk; > + > + daemonize("ktsd"); > + /* only want to receive SIGKILL */ > + allow_signal(SIGKILL); > + This should be converted to kthread interface. > +static int ucb1x00_ts_open(struct input_dev *idev) > +{ > + struct ucb1x00_ts *ts = (struct ucb1x00_ts *)idev; > + int ret = 0; > + > + if (down_interruptible(&ts->sem)) > + return -EINTR; > + > + if (ts->use_count++ != 0) > + goto out; > + Please kill both ts->sem and ts->use_count - input core already serializes input_open and input_close. > + if (ts->rtask) > + panic("ucb1x00: rtask running?"); > + > + sema_init(&ts->irq_wait, 0); > + ret = ucb1x00_hook_irq(ts->ucb, UCB_IRQ_TSPX, ucb1x00_ts_irq, ts); > + if (ret < 0) > + goto out; > + > + /* > + * If we do this at all, we should allow the user to > + * measure and read the X and Y resistance at any time. > + */ > + ucb1x00_adc_enable(ts->ucb); > + ts->x_res = ucb1x00_ts_read_xres(ts); > + ts->y_res = ucb1x00_ts_read_yres(ts); > + ucb1x00_adc_disable(ts->ucb); > + > + init_completion(&ts->init_exit); > + ret = kernel_thread(ucb1x00_thread, ts, CLONE_KERNEL); > + if (ret >= 0) { > + wait_for_completion(&ts->init_exit); > + ret = 0; > + } else { > + ucb1x00_free_irq(ts->ucb, UCB_IRQ_TSPX, ts); > + } kthread_run(ucb1x00_thread, ts, "ktsd")... > + > +MODULE_PARM(adcsync, "i"); > +MODULE_PARM_DESC(adcsync, "Enable use of ADCSYNC signal"); Die, MODULE_PARM, die! -- Dmitry - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/