static void tsi721_close_outb_mbox()

in devices/tsi721.c [2054:2104]

• 37 lines of code
• 5 McCabe index (conditional complexity)

static void tsi721_close_outb_mbox(struct rio_mport *mport, int mbox)
{
	struct tsi721_device *priv = mport->priv;
	u32 i;

	if (!priv->omsg_init[mbox])
		return;
	priv->omsg_init[mbox] = 0;

	/* Disable Interrupts */

	tsi721_omsg_interrupt_disable(priv, mbox, TSI721_OBDMAC_INT_ALL);

#ifdef CONFIG_PCI_MSI
	if (priv->flags & TSI721_USING_MSIX) {
		free_irq(priv->msix[TSI721_VECT_OMB0_DONE + mbox].vector,
			 (void *)priv);
		free_irq(priv->msix[TSI721_VECT_OMB0_INT + mbox].vector,
			 (void *)priv);
	}
#endif /* CONFIG_PCI_MSI */

	/* Free OMSG Descriptor Status FIFO */
	dma_free_coherent(&priv->pdev->dev,
		priv->omsg_ring[mbox].sts_size * sizeof(struct tsi721_dma_sts),
		priv->omsg_ring[mbox].sts_base,
		priv->omsg_ring[mbox].sts_phys);

	priv->omsg_ring[mbox].sts_base = NULL;

	/* Free OMSG descriptors */
	dma_free_coherent(&priv->pdev->dev,
		(priv->omsg_ring[mbox].size + 1) *
			sizeof(struct tsi721_omsg_desc),
		priv->omsg_ring[mbox].omd_base,
		priv->omsg_ring[mbox].omd_phys);

	priv->omsg_ring[mbox].omd_base = NULL;

	/* Free message buffers */
	for (i = 0; i < priv->omsg_ring[mbox].size; i++) {
		if (priv->omsg_ring[mbox].omq_base[i]) {
			dma_free_coherent(&priv->pdev->dev,
				TSI721_MSG_BUFFER_SIZE,
				priv->omsg_ring[mbox].omq_base[i],
				priv->omsg_ring[mbox].omq_phys[i]);

			priv->omsg_ring[mbox].omq_base[i] = NULL;
		}
	}
}