static void charlcd_wait_complete_irq()

in arm-charlcd.c [92:113]

• 18 lines of code
• 3 McCabe index (conditional complexity)

static void charlcd_wait_complete_irq(struct charlcd *lcd)
{
	int ret;

	ret = wait_for_completion_interruptible_timeout(&lcd->complete,
							CHARLCD_TIMEOUT);
	/* Disable IRQ after completion */
	writel(0x00, lcd->virtbase + CHAR_MASK);

	if (ret < 0) {
		dev_err(lcd->dev,
			"wait_for_completion_interruptible_timeout() "
			"returned %d waiting for ready\n", ret);
		return;
	}

	if (ret == 0) {
		dev_err(lcd->dev, "charlcd controller timed out "
			"waiting for ready\n");
		return;
	}
}