static irqreturn_t qcom_smd_edge_intr()

in qcom_smd.c [642:678]

• 25 lines of code
• 4 McCabe index (conditional complexity)

static irqreturn_t qcom_smd_edge_intr(int irq, void *data)
{
	struct qcom_smd_edge *edge = data;
	struct qcom_smd_channel *channel;
	unsigned available;
	bool kick_scanner = false;
	bool kick_state = false;

	/*
	 * Handle state changes or data on each of the channels on this edge
	 */
	spin_lock(&edge->channels_lock);
	list_for_each_entry(channel, &edge->channels, list) {
		spin_lock(&channel->recv_lock);
		kick_state |= qcom_smd_channel_intr(channel);
		spin_unlock(&channel->recv_lock);
	}
	spin_unlock(&edge->channels_lock);

	/*
	 * Creating a new channel requires allocating an smem entry, so we only
	 * have to scan if the amount of available space in smem have changed
	 * since last scan.
	 */
	available = qcom_smem_get_free_space(edge->remote_pid);
	if (available != edge->smem_available) {
		edge->smem_available = available;
		kick_scanner = true;
	}

	if (kick_scanner)
		schedule_work(&edge->scan_work);
	if (kick_state)
		schedule_work(&edge->state_work);

	return IRQ_HANDLED;
}