static irqreturn_t qcom_slim_handle_tx_irq()

in qcom-ctrl.c [166:205]

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

static irqreturn_t qcom_slim_handle_tx_irq(struct qcom_slim_ctrl *ctrl,
					   u32 stat)
{
	int err = 0;

	if (stat & MGR_INT_TX_MSG_SENT)
		writel_relaxed(MGR_INT_TX_MSG_SENT,
			       ctrl->base + MGR_INT_CLR);

	if (stat & MGR_INT_TX_NACKED_2) {
		u32 mgr_stat = readl_relaxed(ctrl->base + MGR_STATUS);
		u32 mgr_ie_stat = readl_relaxed(ctrl->base + MGR_IE_STAT);
		u32 frm_stat = readl_relaxed(ctrl->base + FRM_STAT);
		u32 frm_cfg = readl_relaxed(ctrl->base + FRM_CFG);
		u32 frm_intr_stat = readl_relaxed(ctrl->base + FRM_INT_STAT);
		u32 frm_ie_stat = readl_relaxed(ctrl->base + FRM_IE_STAT);
		u32 intf_stat = readl_relaxed(ctrl->base + INTF_STAT);
		u32 intf_intr_stat = readl_relaxed(ctrl->base + INTF_INT_STAT);
		u32 intf_ie_stat = readl_relaxed(ctrl->base + INTF_IE_STAT);

		writel_relaxed(MGR_INT_TX_NACKED_2, ctrl->base + MGR_INT_CLR);

		dev_err(ctrl->dev, "TX Nack MGR:int:0x%x, stat:0x%x\n",
			stat, mgr_stat);
		dev_err(ctrl->dev, "TX Nack MGR:ie:0x%x\n", mgr_ie_stat);
		dev_err(ctrl->dev, "TX Nack FRM:int:0x%x, stat:0x%x\n",
			frm_intr_stat, frm_stat);
		dev_err(ctrl->dev, "TX Nack FRM:cfg:0x%x, ie:0x%x\n",
			frm_cfg, frm_ie_stat);
		dev_err(ctrl->dev, "TX Nack INTF:intr:0x%x, stat:0x%x\n",
			intf_intr_stat, intf_stat);
		dev_err(ctrl->dev, "TX Nack INTF:ie:0x%x\n",
			intf_ie_stat);
		err = -ENOTCONN;
	}

	slim_ack_txn(ctrl, err);

	return IRQ_HANDLED;
}