[PATCH v2 4/4] net: macb: Add hardware PTP support

On Fri, Jun 02, 2017 at 03:28:10PM +0100, Rafal Ozieblo wrote:

+int gem_get_hwtst(struct net_device *dev, struct ifreq *rq)
+{
+	struct macb *bp = netdev_priv(dev);
+	struct hwtstamp_config *tstamp_config = &bp->tstamp_config;
+
+	if ((bp->hw_dma_cap & HW_DMA_CAP_PTP) == 0)
+		return -EFAULT;

Segmentation fault?  Really?

...

+int gem_set_hwtst(struct net_device *dev, struct ifreq *ifr, int cmd)
+{
+	struct macb *bp = netdev_priv(dev);
+	struct hwtstamp_config *tstamp_config = &bp->tstamp_config;
+	enum macb_bd_control tx_bd_control = TSTAMP_DISABLED;
+	enum macb_bd_control rx_bd_control = TSTAMP_DISABLED;
+	u32 regval;
+
+	if ((bp->hw_dma_cap & HW_DMA_CAP_PTP) == 0)
+		return -EFAULT;

here again

Thanks,
Richard