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Commit 672f5cce authored by David S. Miller's avatar David S. Miller
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Merge branch 'ieee802154-for-davem-2018-07-11' of...

Merge branch 'ieee802154-for-davem-2018-07-11' of git://git.kernel.org/pub/scm/linux/kernel/git/sschmidt/wpan



Stefan Schmidt says:

====================
pull-request: ieee802154 for net 2018-07-11

An update from ieee802154 for your *net* tree.

Build system fix for a missing include from Arnd Bergmann.
Setting the IFLA_LINK for the lowpan parent from Lubomir Rintel.
Fixes for some RX corner cases in adf7242 driver by Michael Hennerich.
And some small patches to cleanup our BUG_ON vs WARN_ON usage.
====================

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parents 20c4515a 58e9683d
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+32 −2
Original line number Diff line number Diff line
@@ -275,6 +275,8 @@ struct adf7242_local {
	struct spi_message stat_msg;
	struct spi_transfer stat_xfer;
	struct dentry *debugfs_root;
	struct delayed_work work;
	struct workqueue_struct *wqueue;
	unsigned long flags;
	int tx_stat;
	bool promiscuous;
@@ -575,10 +577,26 @@ static int adf7242_cmd_rx(struct adf7242_local *lp)
	/* Wait until the ACK is sent */
	adf7242_wait_status(lp, RC_STATUS_PHY_RDY, RC_STATUS_MASK, __LINE__);
	adf7242_clear_irqstat(lp);
	mod_delayed_work(lp->wqueue, &lp->work, msecs_to_jiffies(400));

	return adf7242_cmd(lp, CMD_RC_RX);
}

static void adf7242_rx_cal_work(struct work_struct *work)
{
	struct adf7242_local *lp =
	container_of(work, struct adf7242_local, work.work);

	/* Reissuing RC_RX every 400ms - to adjust for offset
	 * drift in receiver (datasheet page 61, OCL section)
	 */

	if (!test_bit(FLAG_XMIT, &lp->flags)) {
		adf7242_cmd(lp, CMD_RC_PHY_RDY);
		adf7242_cmd_rx(lp);
	}
}

static int adf7242_set_txpower(struct ieee802154_hw *hw, int mbm)
{
	struct adf7242_local *lp = hw->priv;
@@ -686,7 +704,7 @@ static int adf7242_start(struct ieee802154_hw *hw)
	enable_irq(lp->spi->irq);
	set_bit(FLAG_START, &lp->flags);

	return adf7242_cmd(lp, CMD_RC_RX);
	return adf7242_cmd_rx(lp);
}

static void adf7242_stop(struct ieee802154_hw *hw)
@@ -694,6 +712,7 @@ static void adf7242_stop(struct ieee802154_hw *hw)
	struct adf7242_local *lp = hw->priv;

	disable_irq(lp->spi->irq);
	cancel_delayed_work_sync(&lp->work);
	adf7242_cmd(lp, CMD_RC_IDLE);
	clear_bit(FLAG_START, &lp->flags);
	adf7242_clear_irqstat(lp);
@@ -719,7 +738,10 @@ static int adf7242_channel(struct ieee802154_hw *hw, u8 page, u8 channel)
	adf7242_write_reg(lp, REG_CH_FREQ1, freq >> 8);
	adf7242_write_reg(lp, REG_CH_FREQ2, freq >> 16);

	return adf7242_cmd(lp, CMD_RC_RX);
	if (test_bit(FLAG_START, &lp->flags))
		return adf7242_cmd_rx(lp);
	else
		return adf7242_cmd(lp, CMD_RC_PHY_RDY);
}

static int adf7242_set_hw_addr_filt(struct ieee802154_hw *hw,
@@ -814,6 +836,7 @@ static int adf7242_xmit(struct ieee802154_hw *hw, struct sk_buff *skb)
	/* ensure existing instances of the IRQ handler have completed */
	disable_irq(lp->spi->irq);
	set_bit(FLAG_XMIT, &lp->flags);
	cancel_delayed_work_sync(&lp->work);
	reinit_completion(&lp->tx_complete);
	adf7242_cmd(lp, CMD_RC_PHY_RDY);
	adf7242_clear_irqstat(lp);
@@ -952,6 +975,7 @@ static irqreturn_t adf7242_isr(int irq, void *data)
	unsigned int xmit;
	u8 irq1;

	mod_delayed_work(lp->wqueue, &lp->work, msecs_to_jiffies(400));
	adf7242_read_reg(lp, REG_IRQ1_SRC1, &irq1);

	if (!(irq1 & (IRQ_RX_PKT_RCVD | IRQ_CSMA_CA)))
@@ -1241,6 +1265,9 @@ static int adf7242_probe(struct spi_device *spi)
	spi_message_add_tail(&lp->stat_xfer, &lp->stat_msg);

	spi_set_drvdata(spi, lp);
	INIT_DELAYED_WORK(&lp->work, adf7242_rx_cal_work);
	lp->wqueue = alloc_ordered_workqueue(dev_name(&spi->dev),
					     WQ_MEM_RECLAIM);

	ret = adf7242_hw_init(lp);
	if (ret)
@@ -1284,6 +1311,9 @@ static int adf7242_remove(struct spi_device *spi)
	if (!IS_ERR_OR_NULL(lp->debugfs_root))
		debugfs_remove_recursive(lp->debugfs_root);

	cancel_delayed_work_sync(&lp->work);
	destroy_workqueue(lp->wqueue);

	ieee802154_unregister_hw(lp->hw);
	mutex_destroy(&lp->bmux);
	ieee802154_free_hw(lp->hw);
+5 −10
Original line number Diff line number Diff line
@@ -940,7 +940,7 @@ at86rf230_xmit(struct ieee802154_hw *hw, struct sk_buff *skb)
static int
at86rf230_ed(struct ieee802154_hw *hw, u8 *level)
{
	BUG_ON(!level);
	WARN_ON(!level);
	*level = 0xbe;
	return 0;
}
@@ -1121,8 +1121,7 @@ at86rf230_set_hw_addr_filt(struct ieee802154_hw *hw,
	if (changed & IEEE802154_AFILT_SADDR_CHANGED) {
		u16 addr = le16_to_cpu(filt->short_addr);

		dev_vdbg(&lp->spi->dev,
			 "at86rf230_set_hw_addr_filt called for saddr\n");
		dev_vdbg(&lp->spi->dev, "%s called for saddr\n", __func__);
		__at86rf230_write(lp, RG_SHORT_ADDR_0, addr);
		__at86rf230_write(lp, RG_SHORT_ADDR_1, addr >> 8);
	}
@@ -1130,8 +1129,7 @@ at86rf230_set_hw_addr_filt(struct ieee802154_hw *hw,
	if (changed & IEEE802154_AFILT_PANID_CHANGED) {
		u16 pan = le16_to_cpu(filt->pan_id);

		dev_vdbg(&lp->spi->dev,
			 "at86rf230_set_hw_addr_filt called for pan id\n");
		dev_vdbg(&lp->spi->dev, "%s called for pan id\n", __func__);
		__at86rf230_write(lp, RG_PAN_ID_0, pan);
		__at86rf230_write(lp, RG_PAN_ID_1, pan >> 8);
	}
@@ -1140,15 +1138,13 @@ at86rf230_set_hw_addr_filt(struct ieee802154_hw *hw,
		u8 i, addr[8];

		memcpy(addr, &filt->ieee_addr, 8);
		dev_vdbg(&lp->spi->dev,
			 "at86rf230_set_hw_addr_filt called for IEEE addr\n");
		dev_vdbg(&lp->spi->dev, "%s called for IEEE addr\n", __func__);
		for (i = 0; i < 8; i++)
			__at86rf230_write(lp, RG_IEEE_ADDR_0 + i, addr[i]);
	}

	if (changed & IEEE802154_AFILT_PANC_CHANGED) {
		dev_vdbg(&lp->spi->dev,
			 "at86rf230_set_hw_addr_filt called for panc change\n");
		dev_vdbg(&lp->spi->dev, "%s called for panc change\n", __func__);
		if (filt->pan_coord)
			at86rf230_write_subreg(lp, SR_AACK_I_AM_COORD, 1);
		else
@@ -1252,7 +1248,6 @@ at86rf230_set_cca_mode(struct ieee802154_hw *hw,
	return at86rf230_write_subreg(lp, SR_CCA_MODE, val);
}


static int
at86rf230_set_cca_ed_level(struct ieee802154_hw *hw, s32 mbm)
{
+1 −1
Original line number Diff line number Diff line
@@ -49,7 +49,7 @@ struct fakelb_phy {

static int fakelb_hw_ed(struct ieee802154_hw *hw, u8 *level)
{
	BUG_ON(!level);
	WARN_ON(!level);
	*level = 0xbe;

	return 0;
+2 −1
Original line number Diff line number Diff line
@@ -15,10 +15,11 @@
 */
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/gpio.h>
#include <linux/gpio/consumer.h>
#include <linux/spi/spi.h>
#include <linux/workqueue.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/skbuff.h>
#include <linux/of_gpio.h>
#include <linux/regmap.h>
+6 −0
Original line number Diff line number Diff line
@@ -90,12 +90,18 @@ static int lowpan_neigh_construct(struct net_device *dev, struct neighbour *n)
	return 0;
}

static int lowpan_get_iflink(const struct net_device *dev)
{
	return lowpan_802154_dev(dev)->wdev->ifindex;
}

static const struct net_device_ops lowpan_netdev_ops = {
	.ndo_init		= lowpan_dev_init,
	.ndo_start_xmit		= lowpan_xmit,
	.ndo_open		= lowpan_open,
	.ndo_stop		= lowpan_stop,
	.ndo_neigh_construct    = lowpan_neigh_construct,
	.ndo_get_iflink         = lowpan_get_iflink,
};

static void lowpan_setup(struct net_device *ldev)