Kernel bump from 4.1.3-rt to 4.1.7-rt.

These changes brings a vanilla kernel from kernel.org, and the patch
applied for rt is patch-4.1.7-rt8.patch. No further changes needed.

Change-Id: Id8dd03c2ddd971e4d1d69b905f3069737053b700
Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>

11 files changed, 103 insertions, 91 deletions

diff --git a/kernel/drivers/net/can/c_can/c_can.c b/kernel/drivers/net/can/c_can/c_can.c
index 041525d25..5d214d135 100644
--- a/kernel/drivers/net/can/c_can/c_can.c
+++ b/kernel/drivers/net/can/c_can/c_can.c
@@ -592,6 +592,7 @@ static int c_can_start(struct net_device *dev)
 {
 	struct c_can_priv *priv = netdev_priv(dev);
 	int err;
+	struct pinctrl *p;
 
 	/* basic c_can configuration */
 	err = c_can_chip_config(dev);
@@ -604,8 +605,13 @@ static int c_can_start(struct net_device *dev)
 
 	priv->can.state = CAN_STATE_ERROR_ACTIVE;
 
-	/* activate pins */
-	pinctrl_pm_select_default_state(dev->dev.parent);
+	/* Attempt to use "active" if available else use "default" */
+	p = pinctrl_get_select(priv->device, "active");
+	if (!IS_ERR(p))
+		pinctrl_put(p);
+	else
+		pinctrl_pm_select_default_state(priv->device);
+
 	return 0;
 }
 
diff --git a/kernel/drivers/net/can/dev.c b/kernel/drivers/net/can/dev.c
index e9b1810d3..aede70460 100644
--- a/kernel/drivers/net/can/dev.c
+++ b/kernel/drivers/net/can/dev.c
@@ -440,9 +440,6 @@ unsigned int can_get_echo_skb(struct net_device *dev, unsigned int idx)
 		struct can_frame *cf = (struct can_frame *)skb->data;
 		u8 dlc = cf->can_dlc;
 
-		if (!(skb->tstamp.tv64))
-			__net_timestamp(skb);
-
 		netif_rx(priv->echo_skb[idx]);
 		priv->echo_skb[idx] = NULL;
 
@@ -578,7 +575,6 @@ struct sk_buff *alloc_can_skb(struct net_device *dev, struct can_frame **cf)
 	if (unlikely(!skb))
 		return NULL;
 
-	__net_timestamp(skb);
 	skb->protocol = htons(ETH_P_CAN);
 	skb->pkt_type = PACKET_BROADCAST;
 	skb->ip_summed = CHECKSUM_UNNECESSARY;
@@ -589,6 +585,7 @@ struct sk_buff *alloc_can_skb(struct net_device *dev, struct can_frame **cf)
 
 	can_skb_reserve(skb);
 	can_skb_prv(skb)->ifindex = dev->ifindex;
+	can_skb_prv(skb)->skbcnt = 0;
 
 	*cf = (struct can_frame *)skb_put(skb, sizeof(struct can_frame));
 	memset(*cf, 0, sizeof(struct can_frame));
@@ -607,7 +604,6 @@ struct sk_buff *alloc_canfd_skb(struct net_device *dev,
 	if (unlikely(!skb))
 		return NULL;
 
-	__net_timestamp(skb);
 	skb->protocol = htons(ETH_P_CANFD);
 	skb->pkt_type = PACKET_BROADCAST;
 	skb->ip_summed = CHECKSUM_UNNECESSARY;
@@ -618,6 +614,7 @@ struct sk_buff *alloc_canfd_skb(struct net_device *dev,
 
 	can_skb_reserve(skb);
 	can_skb_prv(skb)->ifindex = dev->ifindex;
+	can_skb_prv(skb)->skbcnt = 0;
 
 	*cfd = (struct canfd_frame *)skb_put(skb, sizeof(struct canfd_frame));
 	memset(*cfd, 0, sizeof(struct canfd_frame));
diff --git a/kernel/drivers/net/can/rcar_can.c b/kernel/drivers/net/can/rcar_can.c
index 7deb80dcb..2f9ebad4f 100644
--- a/kernel/drivers/net/can/rcar_can.c
+++ b/kernel/drivers/net/can/rcar_can.c
@@ -526,7 +526,7 @@ static int rcar_can_open(struct net_device *ndev)
 	napi_enable(&priv->napi);
 	err = request_irq(ndev->irq, rcar_can_interrupt, 0, ndev->name, ndev);
 	if (err) {
-		netdev_err(ndev, "error requesting interrupt %x\n", ndev->irq);
+		netdev_err(ndev, "error requesting interrupt %d\n", ndev->irq);
 		goto out_close;
 	}
 	can_led_event(ndev, CAN_LED_EVENT_OPEN);
@@ -758,8 +758,9 @@ static int rcar_can_probe(struct platform_device *pdev)
 	}
 
 	irq = platform_get_irq(pdev, 0);
-	if (!irq) {
+	if (irq < 0) {
 		dev_err(&pdev->dev, "No IRQ resource\n");
+		err = irq;
 		goto fail;
 	}
 
@@ -823,7 +824,7 @@ static int rcar_can_probe(struct platform_device *pdev)
 
 	devm_can_led_init(ndev);
 
-	dev_info(&pdev->dev, "device registered (reg_base=%p, irq=%u)\n",
+	dev_info(&pdev->dev, "device registered (regs @ %p, IRQ%d)\n",
 		 priv->regs, ndev->irq);
 
 	return 0;
diff --git a/kernel/drivers/net/can/slcan.c b/kernel/drivers/net/can/slcan.c
index f64f5290d..a23a7af8e 100644
--- a/kernel/drivers/net/can/slcan.c
+++ b/kernel/drivers/net/can/slcan.c
@@ -207,7 +207,6 @@ static void slc_bump(struct slcan *sl)
 	if (!skb)
 		return;
 
-	__net_timestamp(skb);
 	skb->dev = sl->dev;
 	skb->protocol = htons(ETH_P_CAN);
 	skb->pkt_type = PACKET_BROADCAST;
@@ -215,6 +214,7 @@ static void slc_bump(struct slcan *sl)
 
 	can_skb_reserve(skb);
 	can_skb_prv(skb)->ifindex = sl->dev->ifindex;
+	can_skb_prv(skb)->skbcnt = 0;
 
 	memcpy(skb_put(skb, sizeof(struct can_frame)),
 	       &cf, sizeof(struct can_frame));
diff --git a/kernel/drivers/net/can/spi/mcp251x.c b/kernel/drivers/net/can/spi/mcp251x.c
index bf63fee4e..34c625ea2 100644
--- a/kernel/drivers/net/can/spi/mcp251x.c
+++ b/kernel/drivers/net/can/spi/mcp251x.c
@@ -1221,17 +1221,16 @@ 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/kernel/drivers/net/can/usb/peak_usb/pcan_usb.c b/kernel/drivers/net/can/usb/peak_usb/pcan_usb.c
index 72427f21e..edfec540c 100644
--- a/kernel/drivers/net/can/usb/peak_usb/pcan_usb.c
+++ b/kernel/drivers/net/can/usb/peak_usb/pcan_usb.c
@@ -855,6 +855,18 @@ static int pcan_usb_probe(struct usb_interface *intf)
 /*
  * describe the PCAN-USB adapter
  */
+static const struct can_bittiming_const pcan_usb_const = {
+	.name = "pcan_usb",
+	.tseg1_min = 1,
+	.tseg1_max = 16,
+	.tseg2_min = 1,
+	.tseg2_max = 8,
+	.sjw_max = 4,
+	.brp_min = 1,
+	.brp_max = 64,
+	.brp_inc = 1,
+};
+
 const struct peak_usb_adapter pcan_usb = {
 	.name = "PCAN-USB",
 	.device_id = PCAN_USB_PRODUCT_ID,
@@ -863,17 +875,7 @@ const struct peak_usb_adapter pcan_usb = {
 	.clock = {
 		.freq = PCAN_USB_CRYSTAL_HZ / 2 ,
 	},
-	.bittiming_const = {
-		.name = "pcan_usb",
-		.tseg1_min = 1,
-		.tseg1_max = 16,
-		.tseg2_min = 1,
-		.tseg2_max = 8,
-		.sjw_max = 4,
-		.brp_min = 1,
-		.brp_max = 64,
-		.brp_inc = 1,
-	},
+	.bittiming_const = &pcan_usb_const,
 
 	/* size of device private data */
 	.sizeof_dev_private = sizeof(struct pcan_usb),
diff --git a/kernel/drivers/net/can/usb/peak_usb/pcan_usb_core.c b/kernel/drivers/net/can/usb/peak_usb/pcan_usb_core.c
index 7921cff93..5a2e341a6 100644
--- a/kernel/drivers/net/can/usb/peak_usb/pcan_usb_core.c
+++ b/kernel/drivers/net/can/usb/peak_usb/pcan_usb_core.c
@@ -792,9 +792,9 @@ static int peak_usb_create_dev(const struct peak_usb_adapter *peak_usb_adapter,
 	dev->ep_msg_out = peak_usb_adapter->ep_msg_out[ctrl_idx];
 
 	dev->can.clock = peak_usb_adapter->clock;
-	dev->can.bittiming_const = &peak_usb_adapter->bittiming_const;
+	dev->can.bittiming_const = peak_usb_adapter->bittiming_const;
 	dev->can.do_set_bittiming = peak_usb_set_bittiming;
-	dev->can.data_bittiming_const = &peak_usb_adapter->data_bittiming_const;
+	dev->can.data_bittiming_const = peak_usb_adapter->data_bittiming_const;
 	dev->can.do_set_data_bittiming = peak_usb_set_data_bittiming;
 	dev->can.do_set_mode = peak_usb_set_mode;
 	dev->can.do_get_berr_counter = peak_usb_adapter->do_get_berr_counter;
diff --git a/kernel/drivers/net/can/usb/peak_usb/pcan_usb_core.h b/kernel/drivers/net/can/usb/peak_usb/pcan_usb_core.h
index 9e624f05a..506fe506c 100644
--- a/kernel/drivers/net/can/usb/peak_usb/pcan_usb_core.h
+++ b/kernel/drivers/net/can/usb/peak_usb/pcan_usb_core.h
@@ -48,8 +48,8 @@ struct peak_usb_adapter {
 	u32 device_id;
 	u32 ctrlmode_supported;
 	struct can_clock clock;
-	const struct can_bittiming_const bittiming_const;
-	const struct can_bittiming_const data_bittiming_const;
+	const struct can_bittiming_const * const bittiming_const;
+	const struct can_bittiming_const * const data_bittiming_const;
 	unsigned int ctrl_count;
 
 	int (*intf_probe)(struct usb_interface *intf);
diff --git a/kernel/drivers/net/can/usb/peak_usb/pcan_usb_fd.c b/kernel/drivers/net/can/usb/peak_usb/pcan_usb_fd.c
index 09d14e70a..ce44a033f 100644
--- a/kernel/drivers/net/can/usb/peak_usb/pcan_usb_fd.c
+++ b/kernel/drivers/net/can/usb/peak_usb/pcan_usb_fd.c
@@ -990,6 +990,30 @@ static void pcan_usb_fd_free(struct peak_usb_device *dev)
 }
 
 /* describes the PCAN-USB FD adapter */
+static const struct can_bittiming_const pcan_usb_fd_const = {
+	.name = "pcan_usb_fd",
+	.tseg1_min = 1,
+	.tseg1_max = 64,
+	.tseg2_min = 1,
+	.tseg2_max = 16,
+	.sjw_max = 16,
+	.brp_min = 1,
+	.brp_max = 1024,
+	.brp_inc = 1,
+};
+
+static const struct can_bittiming_const pcan_usb_fd_data_const = {
+	.name = "pcan_usb_fd",
+	.tseg1_min = 1,
+	.tseg1_max = 16,
+	.tseg2_min = 1,
+	.tseg2_max = 8,
+	.sjw_max = 4,
+	.brp_min = 1,
+	.brp_max = 1024,
+	.brp_inc = 1,
+};
+
 const struct peak_usb_adapter pcan_usb_fd = {
 	.name = "PCAN-USB FD",
 	.device_id = PCAN_USBFD_PRODUCT_ID,
@@ -999,28 +1023,8 @@ const struct peak_usb_adapter pcan_usb_fd = {
 	.clock = {
 		.freq = PCAN_UFD_CRYSTAL_HZ,
 	},
-	.bittiming_const = {
-		.name = "pcan_usb_fd",
-		.tseg1_min = 1,
-		.tseg1_max = 64,
-		.tseg2_min = 1,
-		.tseg2_max = 16,
-		.sjw_max = 16,
-		.brp_min = 1,
-		.brp_max = 1024,
-		.brp_inc = 1,
-	},
-	.data_bittiming_const = {
-		.name = "pcan_usb_fd",
-		.tseg1_min = 1,
-		.tseg1_max = 16,
-		.tseg2_min = 1,
-		.tseg2_max = 8,
-		.sjw_max = 4,
-		.brp_min = 1,
-		.brp_max = 1024,
-		.brp_inc = 1,
-	},
+	.bittiming_const = &pcan_usb_fd_const,
+	.data_bittiming_const = &pcan_usb_fd_data_const,
 
 	/* size of device private data */
 	.sizeof_dev_private = sizeof(struct pcan_usb_fd_device),
@@ -1058,6 +1062,30 @@ const struct peak_usb_adapter pcan_usb_fd = {
 };
 
 /* describes the PCAN-USB Pro FD adapter */
+static const struct can_bittiming_const pcan_usb_pro_fd_const = {
+	.name = "pcan_usb_pro_fd",
+	.tseg1_min = 1,
+	.tseg1_max = 64,
+	.tseg2_min = 1,
+	.tseg2_max = 16,
+	.sjw_max = 16,
+	.brp_min = 1,
+	.brp_max = 1024,
+	.brp_inc = 1,
+};
+
+static const struct can_bittiming_const pcan_usb_pro_fd_data_const = {
+	.name = "pcan_usb_pro_fd",
+	.tseg1_min = 1,
+	.tseg1_max = 16,
+	.tseg2_min = 1,
+	.tseg2_max = 8,
+	.sjw_max = 4,
+	.brp_min = 1,
+	.brp_max = 1024,
+	.brp_inc = 1,
+};
+
 const struct peak_usb_adapter pcan_usb_pro_fd = {
 	.name = "PCAN-USB Pro FD",
 	.device_id = PCAN_USBPROFD_PRODUCT_ID,
@@ -1067,28 +1095,8 @@ const struct peak_usb_adapter pcan_usb_pro_fd = {
 	.clock = {
 		.freq = PCAN_UFD_CRYSTAL_HZ,
 	},
-	.bittiming_const = {
-		.name = "pcan_usb_pro_fd",
-		.tseg1_min = 1,
-		.tseg1_max = 64,
-		.tseg2_min = 1,
-		.tseg2_max = 16,
-		.sjw_max = 16,
-		.brp_min = 1,
-		.brp_max = 1024,
-		.brp_inc = 1,
-	},
-	.data_bittiming_const = {
-		.name = "pcan_usb_pro_fd",
-		.tseg1_min = 1,
-		.tseg1_max = 16,
-		.tseg2_min = 1,
-		.tseg2_max = 8,
-		.sjw_max = 4,
-		.brp_min = 1,
-		.brp_max = 1024,
-		.brp_inc = 1,
-	},
+	.bittiming_const = &pcan_usb_pro_fd_const,
+	.data_bittiming_const = &pcan_usb_pro_fd_data_const,
 
 	/* size of device private data */
 	.sizeof_dev_private = sizeof(struct pcan_usb_fd_device),
diff --git a/kernel/drivers/net/can/usb/peak_usb/pcan_usb_pro.c b/kernel/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
index dec517176..a5ad2e6aa 100644
--- a/kernel/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
+++ b/kernel/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
@@ -1004,6 +1004,18 @@ int pcan_usb_pro_probe(struct usb_interface *intf)
 /*
  * describe the PCAN-USB Pro adapter
  */
+static const struct can_bittiming_const pcan_usb_pro_const = {
+	.name = "pcan_usb_pro",
+	.tseg1_min = 1,
+	.tseg1_max = 16,
+	.tseg2_min = 1,
+	.tseg2_max = 8,
+	.sjw_max = 4,
+	.brp_min = 1,
+	.brp_max = 1024,
+	.brp_inc = 1,
+};
+
 const struct peak_usb_adapter pcan_usb_pro = {
 	.name = "PCAN-USB Pro",
 	.device_id = PCAN_USBPRO_PRODUCT_ID,
@@ -1012,17 +1024,7 @@ const struct peak_usb_adapter pcan_usb_pro = {
 	.clock = {
 		.freq = PCAN_USBPRO_CRYSTAL_HZ,
 	},
-	.bittiming_const = {
-		.name = "pcan_usb_pro",
-		.tseg1_min = 1,
-		.tseg1_max = 16,
-		.tseg2_min = 1,
-		.tseg2_max = 8,
-		.sjw_max = 4,
-		.brp_min = 1,
-		.brp_max = 1024,
-		.brp_inc = 1,
-	},
+	.bittiming_const = &pcan_usb_pro_const,
 
 	/* size of device private data */
 	.sizeof_dev_private = sizeof(struct pcan_usb_pro_device),
diff --git a/kernel/drivers/net/can/vcan.c b/kernel/drivers/net/can/vcan.c
index 0ce868de8..674f36708 100644
--- a/kernel/drivers/net/can/vcan.c
+++ b/kernel/drivers/net/can/vcan.c
@@ -78,9 +78,6 @@ static void vcan_rx(struct sk_buff *skb, struct net_device *dev)
 	skb->dev       = dev;
 	skb->ip_summed = CHECKSUM_UNNECESSARY;
 
-	if (!(skb->tstamp.tv64))
-		__net_timestamp(skb);
-
 	netif_rx_ni(skb);
 }