Merge branch 'ieee802154-for-davem-2018-09-28' of git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan

Stefan Schmidt says:

====================
pull-request: ieee802154 for net 2018-09-28

An update from ieee802154 for your *net* tree.

Some cleanup patches throughout the drivers from the Huawei tag team
Yue Haibing and Zhong Jiang.
Xue is replacing some magic numbers with defines in his mcr20a driver.
====================

Signed-off-by: David S. Miller <[e-mail]>

drivers/net/ieee802154/adf7242.c

···
 {
 	struct adf7242_local *lp = spi_get_drvdata(spi);
 
-	if (!IS_ERR_OR_NULL(lp->debugfs_root))
-		debugfs_remove_recursive(lp->debugfs_root);
+	debugfs_remove_recursive(lp->debugfs_root);
 
 	cancel_delayed_work_sync(&lp->work);
 	destroy_workqueue(lp->wqueue);

drivers/net/ieee802154/ca8210.c

···
 	for (i = 0; i < len; i++)
 		dev_dbg(&priv->spi->dev, "%#03x\n", buf[i]);
 
-	fifo_buffer = kmalloc(len, GFP_KERNEL);
+	fifo_buffer = kmemdup(buf, len, GFP_KERNEL);
 	if (!fifo_buffer)
 		return -ENOMEM;
-	memcpy(fifo_buffer, buf, len);
 	kfifo_in(&test->up_fifo, &fifo_buffer, 4);
 	wake_up_interruptible(&priv->test.readq);
 
···
 {
 	struct ca8210_test *test = &priv->test;
 
-	if (!IS_ERR(test->ca8210_dfs_spi_int))
-		debugfs_remove(test->ca8210_dfs_spi_int);
+	debugfs_remove(test->ca8210_dfs_spi_int);
 	kfifo_free(&test->up_fifo);
 	dev_info(&priv->spi->dev, "Test interface removed\n");
 }

drivers/net/ieee802154/mcr20a.c

···
 
 	switch (seq_state) {
 	/* TX IRQ, RX IRQ and SEQ IRQ */
-	case (0x03):
+	case (DAR_IRQSTS1_TXIRQ | DAR_IRQSTS1_SEQIRQ):
 		if (lp->is_tx) {
 			lp->is_tx = 0;
 			dev_dbg(printdev(lp), "TX is done. No ACK\n");
 			mcr20a_handle_tx_complete(lp);
 		}
 		break;
-	case (0x05):
+	case (DAR_IRQSTS1_RXIRQ | DAR_IRQSTS1_SEQIRQ):
 			/* rx is starting */
 			dev_dbg(printdev(lp), "RX is starting\n");
 			mcr20a_handle_rx(lp);
 		break;
-	case (0x07):
+	case (DAR_IRQSTS1_RXIRQ | DAR_IRQSTS1_TXIRQ | DAR_IRQSTS1_SEQIRQ):
 		if (lp->is_tx) {
 			/* tx is done */
 			lp->is_tx = 0;
···
 			mcr20a_handle_rx(lp);
 		}
 		break;
-	case (0x01):
+	case (DAR_IRQSTS1_SEQIRQ):
 		if (lp->is_tx) {
 			dev_dbg(printdev(lp), "TX is starting\n");
 			mcr20a_handle_tx(lp);