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Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

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Just minor overlapping changes in the conflicts here.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2019-08-06 18:44:57 -07:00
parent 05bb520376 33920f1ec5
commit 13dfb3fa49
1012 changed files with 9640 additions and 7752 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/can/dev.c
View File

@@ -1249,6 +1249,8 @@ int register_candev(struct net_device *dev)
return -EINVAL;
dev->rtnl_link_ops = &can_link_ops;
netif_carrier_off(dev);
return register_netdev(dev);
}
EXPORT_SYMBOL_GPL(register_candev);

39
drivers/net/can/flexcan.c
View File

@@ -404,9 +404,10 @@ static void flexcan_enable_wakeup_irq(struct flexcan_priv *priv, bool enable)
priv->write(reg_mcr, &regs->mcr);
}
static inline void flexcan_enter_stop_mode(struct flexcan_priv *priv)
static inline int flexcan_enter_stop_mode(struct flexcan_priv *priv)
{
struct flexcan_regs __iomem *regs = priv->regs;
unsigned int ackval;
u32 reg_mcr;
reg_mcr = priv->read(&regs->mcr);
@@ -416,20 +417,37 @@ static inline void flexcan_enter_stop_mode(struct flexcan_priv *priv)
/* enable stop request */
regmap_update_bits(priv->stm.gpr, priv->stm.req_gpr,
1 << priv->stm.req_bit, 1 << priv->stm.req_bit);
/* get stop acknowledgment */
if (regmap_read_poll_timeout(priv->stm.gpr, priv->stm.ack_gpr,
ackval, ackval & (1 << priv->stm.ack_bit),
0, FLEXCAN_TIMEOUT_US))
return -ETIMEDOUT;
return 0;
}
static inline void flexcan_exit_stop_mode(struct flexcan_priv *priv)
static inline int flexcan_exit_stop_mode(struct flexcan_priv *priv)
{
struct flexcan_regs __iomem *regs = priv->regs;
unsigned int ackval;
u32 reg_mcr;
/* remove stop request */
regmap_update_bits(priv->stm.gpr, priv->stm.req_gpr,
1 << priv->stm.req_bit, 0);
/* get stop acknowledgment */
if (regmap_read_poll_timeout(priv->stm.gpr, priv->stm.ack_gpr,
ackval, !(ackval & (1 << priv->stm.ack_bit)),
0, FLEXCAN_TIMEOUT_US))
return -ETIMEDOUT;
reg_mcr = priv->read(&regs->mcr);
reg_mcr &= ~FLEXCAN_MCR_SLF_WAK;
priv->write(reg_mcr, &regs->mcr);
return 0;
}
static inline void flexcan_error_irq_enable(const struct flexcan_priv *priv)
@@ -1455,10 +1473,10 @@ static int flexcan_setup_stop_mode(struct platform_device *pdev)
priv = netdev_priv(dev);
priv->stm.gpr = syscon_node_to_regmap(gpr_np);
of_node_put(gpr_np);
if (IS_ERR(priv->stm.gpr)) {
dev_dbg(&pdev->dev, "could not find gpr regmap\n");
return PTR_ERR(priv->stm.gpr);
ret = PTR_ERR(priv->stm.gpr);
goto out_put_node;
}
priv->stm.req_gpr = out_val[1];
@@ -1477,6 +1495,10 @@ static int flexcan_setup_stop_mode(struct platform_device *pdev)
device_set_wakeup_enable(&pdev->dev, true);
return 0;
out_put_node:
of_node_put(gpr_np);
return ret;
}
static const struct of_device_id flexcan_of_match[] = {
@@ -1644,7 +1666,9 @@ static int __maybe_unused flexcan_suspend(struct device *device)
*/
if (device_may_wakeup(device)) {
enable_irq_wake(dev->irq);
flexcan_enter_stop_mode(priv);
err = flexcan_enter_stop_mode(priv);
if (err)
return err;
} else {
err = flexcan_chip_disable(priv);
if (err)
@@ -1717,10 +1741,13 @@ static int __maybe_unused flexcan_noirq_resume(struct device *device)
{
struct net_device *dev = dev_get_drvdata(device);
struct flexcan_priv *priv = netdev_priv(dev);
int err;
if (netif_running(dev) && device_may_wakeup(device)) {
flexcan_enable_wakeup_irq(priv, false);
flexcan_exit_stop_mode(priv);
err = flexcan_exit_stop_mode(priv);
if (err)
return err;
}
return 0;

9
drivers/net/can/rcar/rcar_canfd.c
View File

@@ -1508,10 +1508,11 @@ static int rcar_canfd_rx_poll(struct napi_struct *napi, int quota)
/* All packets processed */
if (num_pkts < quota) {
napi_complete_done(napi, num_pkts);
/* Enable Rx FIFO interrupts */
rcar_canfd_set_bit(priv->base, RCANFD_RFCC(ridx),
RCANFD_RFCC_RFIE);
if (napi_complete_done(napi, num_pkts)) {
/* Enable Rx FIFO interrupts */
rcar_canfd_set_bit(priv->base, RCANFD_RFCC(ridx),
RCANFD_RFCC_RFIE);
}
}
return num_pkts;
}

2
drivers/net/can/sja1000/peak_pcmcia.c
View File

@@ -479,7 +479,7 @@ static void pcan_free_channels(struct pcan_pccard *card)
if (!netdev)
continue;
strncpy(name, netdev->name, IFNAMSIZ);
strlcpy(name, netdev->name, IFNAMSIZ);
unregister_sja1000dev(netdev);

49
drivers/net/can/spi/mcp251x.c
View File

@@ -664,17 +664,6 @@ static int mcp251x_power_enable(struct regulator *reg, int enable)
return regulator_disable(reg);
}
static void mcp251x_open_clean(struct net_device *net)
{
struct mcp251x_priv *priv = netdev_priv(net);
struct spi_device *spi = priv->spi;
free_irq(spi->irq, priv);
mcp251x_hw_sleep(spi);
mcp251x_power_enable(priv->transceiver, 0);
close_candev(net);
}
static int mcp251x_stop(struct net_device *net)
{
struct mcp251x_priv *priv = netdev_priv(net);
@@ -941,37 +930,43 @@ static int mcp251x_open(struct net_device *net)
flags | IRQF_ONESHOT, DEVICE_NAME, priv);
if (ret) {
dev_err(&spi->dev, "failed to acquire irq %d\n", spi->irq);
mcp251x_power_enable(priv->transceiver, 0);
close_candev(net);
goto open_unlock;
goto out_close;
}
priv->wq = alloc_workqueue("mcp251x_wq", WQ_FREEZABLE | WQ_MEM_RECLAIM,
0);
if (!priv->wq) {
ret = -ENOMEM;
goto out_clean;
}
INIT_WORK(&priv->tx_work, mcp251x_tx_work_handler);
INIT_WORK(&priv->restart_work, mcp251x_restart_work_handler);
ret = mcp251x_hw_reset(spi);
if (ret) {
mcp251x_open_clean(net);
goto open_unlock;
}
if (ret)
goto out_free_wq;
ret = mcp251x_setup(net, spi);
if (ret) {
mcp251x_open_clean(net);
goto open_unlock;
}
if (ret)
goto out_free_wq;
ret = mcp251x_set_normal_mode(spi);
if (ret) {
mcp251x_open_clean(net);
goto open_unlock;
}
if (ret)
goto out_free_wq;
can_led_event(net, CAN_LED_EVENT_OPEN);
netif_wake_queue(net);
mutex_unlock(&priv->mcp_lock);
open_unlock:
return 0;
out_free_wq:
destroy_workqueue(priv->wq);
out_clean:
free_irq(spi->irq, priv);
mcp251x_hw_sleep(spi);
out_close:
mcp251x_power_enable(priv->transceiver, 0);
close_candev(net);
mutex_unlock(&priv->mcp_lock);
return ret;
}

10
drivers/net/can/usb/peak_usb/pcan_usb_core.c
View File

@@ -568,16 +568,16 @@ static int peak_usb_ndo_stop(struct net_device *netdev)
dev->state &= ~PCAN_USB_STATE_STARTED;
netif_stop_queue(netdev);
close_candev(netdev);
dev->can.state = CAN_STATE_STOPPED;
/* unlink all pending urbs and free used memory */
peak_usb_unlink_all_urbs(dev);
if (dev->adapter->dev_stop)
dev->adapter->dev_stop(dev);
close_candev(netdev);
dev->can.state = CAN_STATE_STOPPED;
/* can set bus off now */
if (dev->adapter->dev_set_bus) {
int err = dev->adapter->dev_set_bus(dev, 0);
@@ -855,7 +855,7 @@ static void peak_usb_disconnect(struct usb_interface *intf)
dev_prev_siblings = dev->prev_siblings;
dev->state &= ~PCAN_USB_STATE_CONNECTED;
strncpy(name, netdev->name, IFNAMSIZ);
strlcpy(name, netdev->name, IFNAMSIZ);
unregister_netdev(netdev);

2
drivers/net/can/usb/peak_usb/pcan_usb_fd.c
View File

@@ -841,7 +841,7 @@ static int pcan_usb_fd_init(struct peak_usb_device *dev)
goto err_out;
/* allocate command buffer once for all for the interface */
pdev->cmd_buffer_addr = kmalloc(PCAN_UFD_CMD_BUFFER_SIZE,
pdev->cmd_buffer_addr = kzalloc(PCAN_UFD_CMD_BUFFER_SIZE,
GFP_KERNEL);
if (!pdev->cmd_buffer_addr)
goto err_out_1;

2
drivers/net/can/usb/peak_usb/pcan_usb_pro.c
View File

@@ -494,7 +494,7 @@ static int pcan_usb_pro_drv_loaded(struct peak_usb_device *dev, int loaded)
u8 *buffer;
int err;
buffer = kmalloc(PCAN_USBPRO_FCT_DRVLD_REQ_LEN, GFP_KERNEL);
buffer = kzalloc(PCAN_USBPRO_FCT_DRVLD_REQ_LEN, GFP_KERNEL);
if (!buffer)
return -ENOMEM;