Re: [PATCH v4 2/6] staging: fsl-dpaa2/ethsw: Add Freescale DPAA2 Ethernet Switch driver
From: Andrew Lunn <andrew@lunn.ch>
Date: 2018-03-12 14:29:40
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lkml
On Mon, Mar 12, 2018 at 03:49:51AM -0500, Razvan Stefanescu wrote:
+static irqreturn_t ethsw_irq0_handler(int irq_num, void *arg)
+{
+ return IRQ_WAKE_THREAD;
+}
++static int ethsw_setup_irqs(struct fsl_mc_device *sw_dev)
+{
+ struct device *dev = &sw_dev->dev;
+ struct ethsw_core *ethsw = dev_get_drvdata(dev);
+ u32 mask = DPSW_IRQ_EVENT_LINK_CHANGED;
+ struct fsl_mc_device_irq *irq;
+ int err;
+
+ err = fsl_mc_allocate_irqs(sw_dev);
+ if (err) {
+ dev_err(dev, "MC irqs allocation failed\n");
+ return err;
+ }
+
+ if (WARN_ON(sw_dev->obj_desc.irq_count != DPSW_IRQ_NUM)) {
+ err = -EINVAL;
+ goto free_irq;
+ }
+
+ err = dpsw_set_irq_enable(ethsw->mc_io, 0, ethsw->dpsw_handle,
+ DPSW_IRQ_INDEX_IF, 0);
+ if (err) {
+ dev_err(dev, "dpsw_set_irq_enable err %d\n", err);
+ goto free_irq;
+ }
+
+ irq = sw_dev->irqs[DPSW_IRQ_INDEX_IF];
+
+ err = devm_request_threaded_irq(dev, irq->msi_desc->irq,
+ ethsw_irq0_handler,
+ ethsw_irq0_handler_thread,
+ IRQF_NO_SUSPEND | IRQF_ONESHOT,
+ dev_name(dev), dev);
Hi Razvan
You can pass NULL instead of ethsw_irq0_handler.
Andrew