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SubjectRe: [PATCH v4 2/6] staging: fsl-dpaa2/ethsw: Add Freescale DPAA2 Ethernet Switch driver
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

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