Merge tag 'v4.2-rc7' into drm-next

Linux 4.2-rc7

Backmerge master for i915 fixes

14 files changed, 36 insertions, 48 deletions

diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c
index f4e40aa4d2a2..945c0955a967 100644
--- a/drivers/net/can/at91_can.c
+++ b/drivers/net/can/at91_can.c
@@ -577,10 +577,10 @@ static void at91_rx_overflow_err(struct net_device *dev)
 
         cf->can_id |= CAN_ERR_CRTL;
         cf->data[1] = CAN_ERR_CRTL_RX_OVERFLOW;
-        netif_receive_skb(skb);
 
         stats->rx_packets++;
         stats->rx_bytes += cf->can_dlc;
+        netif_receive_skb(skb);
 }
 
 /**
@@ -642,10 +642,10 @@ static void at91_read_msg(struct net_device *dev, unsigned int mb)
         }
 
         at91_read_mb(dev, mb, cf);
-        netif_receive_skb(skb);
 
         stats->rx_packets++;
         stats->rx_bytes += cf->can_dlc;
+        netif_receive_skb(skb);
 
         can_led_event(dev, CAN_LED_EVENT_RX);
 }
@@ -802,10 +802,10 @@ static int at91_poll_err(struct net_device *dev, int quota, u32 reg_sr)
                 return 0;
 
         at91_poll_err_frame(dev, cf, reg_sr);
-        netif_receive_skb(skb);
 
         dev->stats.rx_packets++;
         dev->stats.rx_bytes += cf->can_dlc;
+        netif_receive_skb(skb);
 
         return 1;
 }
@@ -1067,10 +1067,10 @@ static void at91_irq_err(struct net_device *dev)
                 return;
 
         at91_irq_err_state(dev, cf, new_state);
-        netif_rx(skb);
 
         dev->stats.rx_packets++;
         dev->stats.rx_bytes += cf->can_dlc;
+        netif_rx(skb);
 
         priv->can.state = new_state;
 }
diff --git a/drivers/net/can/bfin_can.c b/drivers/net/can/bfin_can.c
index 27ad312e7abf..57dadd52b428 100644
--- a/drivers/net/can/bfin_can.c
+++ b/drivers/net/can/bfin_can.c
@@ -424,10 +424,9 @@ static void bfin_can_rx(struct net_device *dev, u16 isrc)
                 cf->data[6 - i] = (6 - i) < cf->can_dlc ? (val >> 8) : 0;
         }
 
-        netif_rx(skb);
-
         stats->rx_packets++;
         stats->rx_bytes += cf->can_dlc;
+        netif_rx(skb);
 }
 
 static int bfin_can_err(struct net_device *dev, u16 isrc, u16 status)
@@ -508,10 +507,9 @@ static int bfin_can_err(struct net_device *dev, u16 isrc, u16 status)
 
         priv->can.state = state;
 
-        netif_rx(skb);
-
         stats->rx_packets++;
         stats->rx_bytes += cf->can_dlc;
+        netif_rx(skb);
 
         return 0;
 }
diff --git a/drivers/net/can/cc770/cc770.c b/drivers/net/can/cc770/cc770.c
index c11d44984036..70a8cbb29e75 100644
--- a/drivers/net/can/cc770/cc770.c
+++ b/drivers/net/can/cc770/cc770.c
@@ -504,10 +504,10 @@ static void cc770_rx(struct net_device *dev, unsigned int mo, u8 ctrl1)
                 for (i = 0; i < cf->can_dlc; i++)
                         cf->data[i] = cc770_read_reg(priv, msgobj[mo].data[i]);
         }
-        netif_rx(skb);
 
         stats->rx_packets++;
         stats->rx_bytes += cf->can_dlc;
+        netif_rx(skb);
 }
 
 static int cc770_err(struct net_device *dev, u8 status)
@@ -584,10 +584,10 @@ static int cc770_err(struct net_device *dev, u8 status)
                 }
         }
 
-        netif_rx(skb);
 
         stats->rx_packets++;
         stats->rx_bytes += cf->can_dlc;
+        netif_rx(skb);
 
         return 0;
 }
diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index 6201c5a1a884..b1e8d729851c 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -577,10 +577,10 @@ static int flexcan_poll_bus_err(struct net_device *dev, u32 reg_esr)
                 return 0;
 
         do_bus_err(dev, cf, reg_esr);
-        netif_receive_skb(skb);
 
         dev->stats.rx_packets++;
         dev->stats.rx_bytes += cf->can_dlc;
+        netif_receive_skb(skb);
 
         return 1;
 }
@@ -622,10 +622,9 @@ static int flexcan_poll_state(struct net_device *dev, u32 reg_esr)
         if (unlikely(new_state == CAN_STATE_BUS_OFF))
                 can_bus_off(dev);
 
-        netif_receive_skb(skb);
-
         dev->stats.rx_packets++;
         dev->stats.rx_bytes += cf->can_dlc;
+        netif_receive_skb(skb);
 
         return 1;
 }
@@ -670,10 +669,10 @@ static int flexcan_read_frame(struct net_device *dev)
         }
 
         flexcan_read_fifo(dev, cf);
-        netif_receive_skb(skb);
 
         stats->rx_packets++;
         stats->rx_bytes += cf->can_dlc;
+        netif_receive_skb(skb);
 
         can_led_event(dev, CAN_LED_EVENT_RX);
 
diff --git a/drivers/net/can/grcan.c b/drivers/net/can/grcan.c
index e3d7e22a4fa0..db9538d4b358 100644
--- a/drivers/net/can/grcan.c
+++ b/drivers/net/can/grcan.c
@@ -1216,11 +1216,12 @@ static int grcan_receive(struct net_device *dev, int budget)
                                 cf->data[i] = (u8)(slot[j] >> shift);
                         }
                 }
-                netif_receive_skb(skb);
 
                 /* Update statistics and read pointer */
                 stats->rx_packets++;
                 stats->rx_bytes += cf->can_dlc;
+                netif_receive_skb(skb);
+
                 rd = grcan_ring_add(rd, GRCAN_MSG_SIZE, dma->rx.size);
         }
 
diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c
index 32bd7f451aa4..7b92e911a616 100644
--- a/drivers/net/can/sja1000/sja1000.c
+++ b/drivers/net/can/sja1000/sja1000.c
@@ -377,10 +377,9 @@ static void sja1000_rx(struct net_device *dev)
         /* release receive buffer */
         sja1000_write_cmdreg(priv, CMD_RRB);
 
-        netif_rx(skb);
-
         stats->rx_packets++;
         stats->rx_bytes += cf->can_dlc;
+        netif_rx(skb);
 
         can_led_event(dev, CAN_LED_EVENT_RX);
 }
@@ -484,10 +483,9 @@ static int sja1000_err(struct net_device *dev, uint8_t isrc, uint8_t status)
                         can_bus_off(dev);
         }
 
-        netif_rx(skb);
-
         stats->rx_packets++;
         stats->rx_bytes += cf->can_dlc;
+        netif_rx(skb);
 
         return 0;
 }
diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c
index a23a7af8eb9a..9a3f15cb7ef4 100644
--- a/drivers/net/can/slcan.c
+++ b/drivers/net/can/slcan.c
@@ -218,10 +218,10 @@ static void slc_bump(struct slcan *sl)
 
         memcpy(skb_put(skb, sizeof(struct can_frame)),
                &cf, sizeof(struct can_frame));
-        netif_rx_ni(skb);
 
         sl->dev->stats.rx_packets++;
         sl->dev->stats.rx_bytes += cf.can_dlc;
+        netif_rx_ni(skb);
 }
 
 /* parse tty input stream */
diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c
index c1a95a34d62e..b7e83c212023 100644
--- a/drivers/net/can/spi/mcp251x.c
+++ b/drivers/net/can/spi/mcp251x.c
@@ -1086,8 +1086,8 @@ static int mcp251x_can_probe(struct spi_device *spi)
         if (ret)
                 goto out_clk;
 
-        priv->power = devm_regulator_get(&spi->dev, "vdd");
-        priv->transceiver = devm_regulator_get(&spi->dev, "xceiver");
+        priv->power = devm_regulator_get_optional(&spi->dev, "vdd");
+        priv->transceiver = devm_regulator_get_optional(&spi->dev, "xceiver");
         if ((PTR_ERR(priv->power) == -EPROBE_DEFER) ||
             (PTR_ERR(priv->transceiver) == -EPROBE_DEFER)) {
                 ret = -EPROBE_DEFER;
@@ -1222,17 +1222,16 @@ static int __maybe_unused mcp251x_can_resume(struct device *dev)
         struct spi_device *spi = to_spi_device(dev);
         struct mcp251x_priv *priv = spi_get_drvdata(spi);
 
-        if (priv->after_suspend & AFTER_SUSPEND_POWER) {
+        if (priv->after_suspend & AFTER_SUSPEND_POWER)
                 mcp251x_power_enable(priv->power, 1);
+
+        if (priv->after_suspend & AFTER_SUSPEND_UP) {
+                mcp251x_power_enable(priv->transceiver, 1);
                 queue_work(priv->wq, &priv->restart_work);
         } else {
-                if (priv->after_suspend & AFTER_SUSPEND_UP) {
-                        mcp251x_power_enable(priv->transceiver, 1);
-                        queue_work(priv->wq, &priv->restart_work);
-                } else {
-                        priv->after_suspend = 0;
-                }
+                priv->after_suspend = 0;
         }
+
         priv->force_quit = 0;
         enable_irq(spi->irq);
         return 0;
diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c
index e95a9e1a889f..cf345cbfe819 100644
--- a/drivers/net/can/ti_hecc.c
+++ b/drivers/net/can/ti_hecc.c
@@ -747,9 +747,9 @@ static int ti_hecc_error(struct net_device *ndev, int int_status,
                 }
         }
 
-        netif_rx(skb);
         stats->rx_packets++;
         stats->rx_bytes += cf->can_dlc;
+        netif_rx(skb);
 
         return 0;
 }
diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c
index 866bac0ae7e9..2d390384ef3b 100644
--- a/drivers/net/can/usb/ems_usb.c
+++ b/drivers/net/can/usb/ems_usb.c
@@ -324,10 +324,9 @@ static void ems_usb_rx_can_msg(struct ems_usb *dev, struct ems_cpc_msg *msg)
                         cf->data[i] = msg->msg.can_msg.msg[i];
         }
 
-        netif_rx(skb);
-
         stats->rx_packets++;
         stats->rx_bytes += cf->can_dlc;
+        netif_rx(skb);
 }
 
 static void ems_usb_rx_err(struct ems_usb *dev, struct ems_cpc_msg *msg)
@@ -400,10 +399,9 @@ static void ems_usb_rx_err(struct ems_usb *dev, struct ems_cpc_msg *msg)
                 stats->rx_errors++;
         }
 
-        netif_rx(skb);
-
         stats->rx_packets++;
         stats->rx_bytes += cf->can_dlc;
+        netif_rx(skb);
 }
 
 /*
diff --git a/drivers/net/can/usb/esd_usb2.c b/drivers/net/can/usb/esd_usb2.c
index 411c1af92c62..0e5a4493ba4f 100644
--- a/drivers/net/can/usb/esd_usb2.c
+++ b/drivers/net/can/usb/esd_usb2.c
@@ -301,13 +301,12 @@ static void esd_usb2_rx_event(struct esd_usb2_net_priv *priv,
                         cf->data[7] = rxerr;
                 }
 
-                netif_rx(skb);
-
                 priv->bec.txerr = txerr;
                 priv->bec.rxerr = rxerr;
 
                 stats->rx_packets++;
                 stats->rx_bytes += cf->can_dlc;
+                netif_rx(skb);
         }
 }
 
@@ -347,10 +346,9 @@ static void esd_usb2_rx_can_msg(struct esd_usb2_net_priv *priv,
                                 cf->data[i] = msg->msg.rx.data[i];
                 }
 
-                netif_rx(skb);
-
                 stats->rx_packets++;
                 stats->rx_bytes += cf->can_dlc;
+                netif_rx(skb);
         }
 
         return;
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb.c b/drivers/net/can/usb/peak_usb/pcan_usb.c
index 72427f21edff..6b94007ae052 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb.c
@@ -526,9 +526,9 @@ static int pcan_usb_decode_error(struct pcan_usb_msg_context *mc, u8 n,
                 hwts->hwtstamp = timeval_to_ktime(tv);
         }
 
-        netif_rx(skb);
         mc->netdev->stats.rx_packets++;
         mc->netdev->stats.rx_bytes += cf->can_dlc;
+        netif_rx(skb);
 
         return 0;
 }
@@ -659,12 +659,11 @@ static int pcan_usb_decode_data(struct pcan_usb_msg_context *mc, u8 status_len)
         hwts = skb_hwtstamps(skb);
         hwts->hwtstamp = timeval_to_ktime(tv);
 
-        /* push the skb */
-        netif_rx(skb);
-
         /* update statistics */
         mc->netdev->stats.rx_packets++;
         mc->netdev->stats.rx_bytes += cf->can_dlc;
+        /* push the skb */
+        netif_rx(skb);
 
         return 0;
 
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
index dec51717635e..7d61b3279798 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
@@ -553,9 +553,9 @@ static int pcan_usb_pro_handle_canmsg(struct pcan_usb_pro_interface *usb_if,
         hwts = skb_hwtstamps(skb);
         hwts->hwtstamp = timeval_to_ktime(tv);
 
-        netif_rx(skb);
         netdev->stats.rx_packets++;
         netdev->stats.rx_bytes += can_frame->can_dlc;
+        netif_rx(skb);
 
         return 0;
 }
@@ -670,9 +670,9 @@ static int pcan_usb_pro_handle_error(struct pcan_usb_pro_interface *usb_if,
         peak_usb_get_ts_tv(&usb_if->time_ref, le32_to_cpu(er->ts32), &tv);
         hwts = skb_hwtstamps(skb);
         hwts->hwtstamp = timeval_to_ktime(tv);
-        netif_rx(skb);
         netdev->stats.rx_packets++;
         netdev->stats.rx_bytes += can_frame->can_dlc;
+        netif_rx(skb);
 
         return 0;
 }
diff --git a/drivers/net/can/usb/usb_8dev.c b/drivers/net/can/usb/usb_8dev.c
index dd52c7a4c80d..de95b1ccba3e 100644
--- a/drivers/net/can/usb/usb_8dev.c
+++ b/drivers/net/can/usb/usb_8dev.c
@@ -461,10 +461,9 @@ static void usb_8dev_rx_err_msg(struct usb_8dev_priv *priv,
         priv->bec.txerr = txerr;
         priv->bec.rxerr = rxerr;
 
-        netif_rx(skb);
-
         stats->rx_packets++;
         stats->rx_bytes += cf->can_dlc;
+        netif_rx(skb);
 }
 
 /* Read data and status frames */
@@ -494,10 +493,9 @@ static void usb_8dev_rx_can_msg(struct usb_8dev_priv *priv,
                 else
                         memcpy(cf->data, msg->data, cf->can_dlc);
 
-                netif_rx(skb);
-
                 stats->rx_packets++;
                 stats->rx_bytes += cf->can_dlc;
+                netif_rx(skb);
 
                 can_led_event(priv->netdev, CAN_LED_EVENT_RX);
         } else {