xiaomi-sm8450/android_kernel_xiaomi_sm8450
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

浏览代码 
Conflicts:
	arch/arm/boot/dts/imx6sx-sdb.dts
	net/sched/cls_bpf.c

Two simple sets of overlapping changes.

Signed-off-by: David S. Miller <davem@davemloft.net>
这个提交包含在：
David S. Miller
2015-01-27 16:59:56 -08:00
父节点 8ea65f4a2d 59343cd7c4
当前提交 95f873f2ff
共修改 457 个文件，包含 4432 行新增和 3207 行删除
下载 Patch 文件 下载 Diff 文件 展开所有文件 折叠所有文件

3
drivers/net/can/c_can/c_can.c
查看文件

@@ -615,6 +615,9 @@ static void c_can_stop(struct net_device *dev)
c_can_irq_control(priv, false);
/* put ctrl to init on stop to end ongoing transmission */
priv->write_reg(priv, C_CAN_CTRL_REG, CONTROL_INIT);
/* deactivate pins */
pinctrl_pm_select_sleep_state(dev->dev.parent);
priv->can.state = CAN_STATE_STOPPED;

29
drivers/net/can/c_can/c_can_platform.c
查看文件

@@ -103,27 +103,34 @@ static void c_can_hw_raminit_syscon(const struct c_can_priv *priv, bool enable)
mask = 1 << raminit->bits.start | 1 << raminit->bits.done;
regmap_read(raminit->syscon, raminit->reg, &ctrl);
/* We clear the done and start bit first. The start bit is
/* We clear the start bit first. The start bit is
* looking at the 0 -> transition, but is not self clearing;
* And we clear the init done bit as well.
* NOTE: DONE must be written with 1 to clear it.
* We can't clear the DONE bit here using regmap_update_bits()
* as it will bypass the write if initial condition is START:0 DONE:1
* e.g. on DRA7 which needs START pulse.
*/
ctrl &= ~(1 << raminit->bits.start);
ctrl |= 1 << raminit->bits.done;
regmap_write(raminit->syscon, raminit->reg, ctrl);
ctrl &= ~mask; /* START = 0, DONE = 0 */
regmap_update_bits(raminit->syscon, raminit->reg, mask, ctrl);
ctrl &= ~(1 << raminit->bits.done);
c_can_hw_raminit_wait_syscon(priv, mask, ctrl);
/* check if START bit is 0. Ignore DONE bit for now
* as it can be either 0 or 1.
*/
c_can_hw_raminit_wait_syscon(priv, 1 << raminit->bits.start, ctrl);
if (enable) {
/* Set start bit and wait for the done bit. */
/* Clear DONE bit & set START bit. */
ctrl |= 1 << raminit->bits.start;
regmap_write(raminit->syscon, raminit->reg, ctrl);
/* DONE must be written with 1 to clear it */
ctrl |= 1 << raminit->bits.done;
regmap_update_bits(raminit->syscon, raminit->reg, mask, ctrl);
/* prevent further clearing of DONE bit */
ctrl &= ~(1 << raminit->bits.done);
/* clear START bit if start pulse is needed */
if (raminit->needs_pulse) {
ctrl &= ~(1 << raminit->bits.start);
regmap_write(raminit->syscon, raminit->reg, ctrl);
regmap_update_bits(raminit->syscon, raminit->reg,
mask, ctrl);
}
ctrl |= 1 << raminit->bits.done;

8
drivers/net/can/dev.c
查看文件

@@ -808,10 +808,14 @@ static int can_changelink(struct net_device *dev,
if (dev->flags & IFF_UP)
return -EBUSY;
cm = nla_data(data[IFLA_CAN_CTRLMODE]);
if (cm->flags & ~priv->ctrlmode_supported)
/* check whether changed bits are allowed to be modified */
if (cm->mask & ~priv->ctrlmode_supported)
return -EOPNOTSUPP;
/* clear bits to be modified and copy the flag values */
priv->ctrlmode &= ~cm->mask;
priv->ctrlmode |= cm->flags;
priv->ctrlmode |= (cm->flags & cm->mask);
/* CAN_CTRLMODE_FD can only be set when driver supports FD */
if (priv->ctrlmode & CAN_CTRLMODE_FD)

5
drivers/net/can/m_can/m_can.c
查看文件

@@ -956,6 +956,11 @@ static struct net_device *alloc_m_can_dev(void)
priv->can.data_bittiming_const = &m_can_data_bittiming_const;
priv->can.do_set_mode = m_can_set_mode;
priv->can.do_get_berr_counter = m_can_get_berr_counter;
/* CAN_CTRLMODE_FD_NON_ISO is fixed with M_CAN IP v3.0.1 */
priv->can.ctrlmode = CAN_CTRLMODE_FD_NON_ISO;
/* CAN_CTRLMODE_FD_NON_ISO can not be changed with M_CAN IP v3.0.1 */
priv->can.ctrlmode_supported = CAN_CTRLMODE_LOOPBACK |
CAN_CTRLMODE_LISTENONLY |
CAN_CTRLMODE_BERR_REPORTING |

57
drivers/net/can/usb/kvaser_usb.c
查看文件

@@ -520,10 +520,10 @@ static void kvaser_usb_tx_acknowledge(const struct kvaser_usb *dev,
skb = alloc_can_err_skb(priv->netdev, &cf);
if (skb) {
cf->can_id |= CAN_ERR_RESTARTED;
netif_rx(skb);
stats->rx_packets++;
stats->rx_bytes += cf->can_dlc;
netif_rx(skb);
} else {
netdev_err(priv->netdev,
"No memory left for err_skb\n");
@@ -587,7 +587,7 @@ static int kvaser_usb_simple_msg_async(struct kvaser_usb_net_priv *priv,
usb_sndbulkpipe(dev->udev,
dev->bulk_out->bEndpointAddress),
buf, msg->len,
kvaser_usb_simple_msg_callback, priv);
kvaser_usb_simple_msg_callback, netdev);
usb_anchor_urb(urb, &priv->tx_submitted);
err = usb_submit_urb(urb, GFP_ATOMIC);
@@ -662,11 +662,6 @@ static void kvaser_usb_rx_error(const struct kvaser_usb *dev,
priv = dev->nets[channel];
stats = &priv->netdev->stats;
if (status & M16C_STATE_BUS_RESET) {
kvaser_usb_unlink_tx_urbs(priv);
return;
}
skb = alloc_can_err_skb(priv->netdev, &cf);
if (!skb) {
stats->rx_dropped++;
@@ -677,7 +672,7 @@ static void kvaser_usb_rx_error(const struct kvaser_usb *dev,
netdev_dbg(priv->netdev, "Error status: 0x%02x\n", status);
if (status & M16C_STATE_BUS_OFF) {
if (status & (M16C_STATE_BUS_OFF | M16C_STATE_BUS_RESET)) {
cf->can_id |= CAN_ERR_BUSOFF;
priv->can.can_stats.bus_off++;
@@ -703,9 +698,7 @@ static void kvaser_usb_rx_error(const struct kvaser_usb *dev,
}
new_state = CAN_STATE_ERROR_PASSIVE;
}
if (status == M16C_STATE_BUS_ERROR) {
} else if (status & M16C_STATE_BUS_ERROR) {
if ((priv->can.state < CAN_STATE_ERROR_WARNING) &&
((txerr >= 96) || (rxerr >= 96))) {
cf->can_id |= CAN_ERR_CRTL;
@@ -715,7 +708,8 @@ static void kvaser_usb_rx_error(const struct kvaser_usb *dev,
priv->can.can_stats.error_warning++;
new_state = CAN_STATE_ERROR_WARNING;
} else if (priv->can.state > CAN_STATE_ERROR_ACTIVE) {
} else if ((priv->can.state > CAN_STATE_ERROR_ACTIVE) &&
((txerr < 96) && (rxerr < 96))) {
cf->can_id |= CAN_ERR_PROT;
cf->data[2] = CAN_ERR_PROT_ACTIVE;
@@ -770,10 +764,9 @@ static void kvaser_usb_rx_error(const struct kvaser_usb *dev,
priv->can.state = new_state;
netif_rx(skb);
stats->rx_packets++;
stats->rx_bytes += cf->can_dlc;
netif_rx(skb);
}
static void kvaser_usb_rx_can_err(const struct kvaser_usb_net_priv *priv,
@@ -805,10 +798,9 @@ static void kvaser_usb_rx_can_err(const struct kvaser_usb_net_priv *priv,
stats->rx_over_errors++;
stats->rx_errors++;
netif_rx(skb);
stats->rx_packets++;
stats->rx_bytes += cf->can_dlc;
netif_rx(skb);
}
}
@@ -887,10 +879,9 @@ static void kvaser_usb_rx_can_msg(const struct kvaser_usb *dev,
cf->can_dlc);
}
netif_rx(skb);
stats->rx_packets++;
stats->rx_bytes += cf->can_dlc;
netif_rx(skb);
}
static void kvaser_usb_start_chip_reply(const struct kvaser_usb *dev,
@@ -1246,6 +1237,9 @@ static int kvaser_usb_close(struct net_device *netdev)
if (err)
netdev_warn(netdev, "Cannot stop device, error %d\n", err);
/* reset tx contexts */
kvaser_usb_unlink_tx_urbs(priv);
priv->can.state = CAN_STATE_STOPPED;
close_candev(priv->netdev);
@@ -1294,12 +1288,14 @@ static netdev_tx_t kvaser_usb_start_xmit(struct sk_buff *skb,
if (!urb) {
netdev_err(netdev, "No memory left for URBs\n");
stats->tx_dropped++;
goto nourbmem;
dev_kfree_skb(skb);
return NETDEV_TX_OK;
}
buf = kmalloc(sizeof(struct kvaser_msg), GFP_ATOMIC);
if (!buf) {
stats->tx_dropped++;
dev_kfree_skb(skb);
goto nobufmem;
}
@@ -1334,6 +1330,7 @@ static netdev_tx_t kvaser_usb_start_xmit(struct sk_buff *skb,
}
}
/* This should never happen; it implies a flow control bug */
if (!context) {
netdev_warn(netdev, "cannot find free context\n");
ret = NETDEV_TX_BUSY;
@@ -1364,9 +1361,6 @@ static netdev_tx_t kvaser_usb_start_xmit(struct sk_buff *skb,
if (unlikely(err)) {
can_free_echo_skb(netdev, context->echo_index);
skb = NULL; /* set to NULL to avoid double free in
* dev_kfree_skb(skb) */
atomic_dec(&priv->active_tx_urbs);
usb_unanchor_urb(urb);
@@ -1388,8 +1382,6 @@ releasebuf:
kfree(buf);
nobufmem:
usb_free_urb(urb);
nourbmem:
dev_kfree_skb(skb);
return ret;
}
@@ -1502,6 +1494,10 @@ static int kvaser_usb_init_one(struct usb_interface *intf,
struct kvaser_usb_net_priv *priv;
int i, err;
err = kvaser_usb_send_simple_msg(dev, CMD_RESET_CHIP, channel);
if (err)
return err;
netdev = alloc_candev(sizeof(*priv), MAX_TX_URBS);
if (!netdev) {
dev_err(&intf->dev, "Cannot alloc candev\n");
@@ -1588,7 +1584,7 @@ static int kvaser_usb_probe(struct usb_interface *intf,
{
struct kvaser_usb *dev;
int err = -ENOMEM;
int i;
int i, retry = 3;
dev = devm_kzalloc(&intf->dev, sizeof(*dev), GFP_KERNEL);
if (!dev)
@@ -1606,10 +1602,15 @@ static int kvaser_usb_probe(struct usb_interface *intf,
usb_set_intfdata(intf, dev);
for (i = 0; i < MAX_NET_DEVICES; i++)
kvaser_usb_send_simple_msg(dev, CMD_RESET_CHIP, i);
/* On some x86 laptops, plugging a Kvaser device again after
* an unplug makes the firmware always ignore the very first
* command. For such a case, provide some room for retries
* instead of completely exiting the driver.
*/
do {
err = kvaser_usb_get_software_info(dev);
} while (--retry && err == -ETIMEDOUT);
err = kvaser_usb_get_software_info(dev);
if (err) {
dev_err(&intf->dev,
"Cannot get software infos, error %d\n", err);