From c637aab05c9dd0894832a7c542a1553b2815b9ef Mon Sep 17 00:00:00 2001 From: "Ahmed S. Darwish" Date: Sat, 14 Mar 2015 09:11:47 -0400 Subject: can: kvaser_usb: Use can-dev unregistration mechanism Use can-dev's unregister_candev() instead of directly calling networking unregister_netdev(). While both are functionally equivalent, unregister_candev() might do extra stuff in the future than just calling networking layer unregistration code. Signed-off-by: Ahmed S. Darwish Signed-off-by: Marc Kleine-Budde --- drivers/net/can/usb/kvaser_usb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/net/can/usb/kvaser_usb.c b/drivers/net/can/usb/kvaser_usb.c index e97a08ce0b90..d269ae0b072a 100644 --- a/drivers/net/can/usb/kvaser_usb.c +++ b/drivers/net/can/usb/kvaser_usb.c @@ -1856,7 +1856,7 @@ static void kvaser_usb_remove_interfaces(struct kvaser_usb *dev) if (!dev->nets[i]) continue; - unregister_netdev(dev->nets[i]->netdev); + unregister_candev(dev->nets[i]->netdev); } kvaser_usb_unlink_all_urbs(dev); -- cgit v1.2.3 From fba6f9117a3d87a269fc3b174127c99f25f4979e Mon Sep 17 00:00:00 2001 From: Marc Kleine-Budde Date: Sat, 14 Mar 2015 15:39:09 +0100 Subject: can: m_cam: m_can_fifo_write(): remove return from void function This patch removes the return from the void function m_can_fifo_write(). Signed-off-by: Marc Kleine-Budde --- drivers/net/can/m_can/m_can.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index 2e04b3aeeb37..ef655177bb5e 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -312,8 +312,8 @@ static inline u32 m_can_fifo_read(const struct m_can_priv *priv, static inline void m_can_fifo_write(const struct m_can_priv *priv, u32 fpi, unsigned int offset, u32 val) { - return writel(val, priv->mram_base + priv->mcfg[MRAM_TXB].off + - fpi * TXB_ELEMENT_SIZE + offset); + writel(val, priv->mram_base + priv->mcfg[MRAM_TXB].off + + fpi * TXB_ELEMENT_SIZE + offset); } static inline void m_can_config_endisable(const struct m_can_priv *priv, -- cgit v1.2.3 From c54eb70e3bb8cd0d7b8564bedab63e834656c567 Mon Sep 17 00:00:00 2001 From: Yegor Yefremov Date: Mon, 16 Mar 2015 09:38:13 +0100 Subject: can: add combined rx/tx LED trigger support Add -rxtx trigger, that will be activated both for tx as rx events. This trigger mimics "activity" LED for Ethernet devices. Signed-off-by: Yegor Yefremov Signed-off-by: Marc Kleine-Budde --- drivers/net/can/led.c | 22 +++++++++++++++++++--- include/linux/can/dev.h | 2 ++ include/linux/can/led.h | 6 ++++-- 3 files changed, 25 insertions(+), 5 deletions(-) (limited to 'drivers') diff --git a/drivers/net/can/led.c b/drivers/net/can/led.c index ab7f1b01be49..c1b667675fa1 100644 --- a/drivers/net/can/led.c +++ b/drivers/net/can/led.c @@ -30,20 +30,28 @@ void can_led_event(struct net_device *netdev, enum can_led_event event) case CAN_LED_EVENT_OPEN: led_trigger_event(priv->tx_led_trig, LED_FULL); led_trigger_event(priv->rx_led_trig, LED_FULL); + led_trigger_event(priv->rxtx_led_trig, LED_FULL); break; case CAN_LED_EVENT_STOP: led_trigger_event(priv->tx_led_trig, LED_OFF); led_trigger_event(priv->rx_led_trig, LED_OFF); + led_trigger_event(priv->rxtx_led_trig, LED_OFF); break; case CAN_LED_EVENT_TX: - if (led_delay) + if (led_delay) { led_trigger_blink_oneshot(priv->tx_led_trig, &led_delay, &led_delay, 1); + led_trigger_blink_oneshot(priv->rxtx_led_trig, + &led_delay, &led_delay, 1); + } break; case CAN_LED_EVENT_RX: - if (led_delay) + if (led_delay) { led_trigger_blink_oneshot(priv->rx_led_trig, &led_delay, &led_delay, 1); + led_trigger_blink_oneshot(priv->rxtx_led_trig, + &led_delay, &led_delay, 1); + } break; } } @@ -55,6 +63,7 @@ static void can_led_release(struct device *gendev, void *res) led_trigger_unregister_simple(priv->tx_led_trig); led_trigger_unregister_simple(priv->rx_led_trig); + led_trigger_unregister_simple(priv->rxtx_led_trig); } /* Register CAN LED triggers for a CAN device @@ -76,11 +85,15 @@ void devm_can_led_init(struct net_device *netdev) "%s-tx", netdev->name); snprintf(priv->rx_led_trig_name, sizeof(priv->rx_led_trig_name), "%s-rx", netdev->name); + snprintf(priv->rxtx_led_trig_name, sizeof(priv->rxtx_led_trig_name), + "%s-rxtx", netdev->name); led_trigger_register_simple(priv->tx_led_trig_name, &priv->tx_led_trig); led_trigger_register_simple(priv->rx_led_trig_name, &priv->rx_led_trig); + led_trigger_register_simple(priv->rxtx_led_trig_name, + &priv->rxtx_led_trig); devres_add(&netdev->dev, res); } @@ -97,7 +110,7 @@ static int can_led_notifier(struct notifier_block *nb, unsigned long msg, if (!priv) return NOTIFY_DONE; - if (!priv->tx_led_trig || !priv->rx_led_trig) + if (!priv->tx_led_trig || !priv->rx_led_trig || !priv->rxtx_led_trig) return NOTIFY_DONE; if (msg == NETDEV_CHANGENAME) { @@ -106,6 +119,9 @@ static int can_led_notifier(struct notifier_block *nb, unsigned long msg, snprintf(name, sizeof(name), "%s-rx", netdev->name); led_trigger_rename_static(name, priv->rx_led_trig); + + snprintf(name, sizeof(name), "%s-rxtx", netdev->name); + led_trigger_rename_static(name, priv->rxtx_led_trig); } return NOTIFY_DONE; diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h index c05ff0f9f9a5..c3a9c8fc60fa 100644 --- a/include/linux/can/dev.h +++ b/include/linux/can/dev.h @@ -61,6 +61,8 @@ struct can_priv { char tx_led_trig_name[CAN_LED_NAME_SZ]; struct led_trigger *rx_led_trig; char rx_led_trig_name[CAN_LED_NAME_SZ]; + struct led_trigger *rxtx_led_trig; + char rxtx_led_trig_name[CAN_LED_NAME_SZ]; #endif }; diff --git a/include/linux/can/led.h b/include/linux/can/led.h index e0475c5cbb92..146de4506d21 100644 --- a/include/linux/can/led.h +++ b/include/linux/can/led.h @@ -21,8 +21,10 @@ enum can_led_event { #ifdef CONFIG_CAN_LEDS -/* keep space for interface name + "-tx"/"-rx" suffix and null terminator */ -#define CAN_LED_NAME_SZ (IFNAMSIZ + 4) +/* keep space for interface name + "-tx"/"-rx"/"-rxtx" + * suffix and null terminator + */ +#define CAN_LED_NAME_SZ (IFNAMSIZ + 6) void can_led_event(struct net_device *netdev, enum can_led_event event); void devm_can_led_init(struct net_device *netdev); -- cgit v1.2.3 From 6d5a7a65a928d317c8767613d98ce38bb62f23fa Mon Sep 17 00:00:00 2001 From: Thomas Körper Date: Mon, 16 Mar 2015 09:48:29 +0100 Subject: can: esd_usb2: Fix sparse warnings MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The hnd field of the structs does not need to be __le32: the device just returns the value without using it itself. Signed-off-by: Thomas Körper Signed-off-by: Marc Kleine-Budde --- drivers/net/can/usb/esd_usb2.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/can/usb/esd_usb2.c b/drivers/net/can/usb/esd_usb2.c index bacca0bd89c1..411c1af92c62 100644 --- a/drivers/net/can/usb/esd_usb2.c +++ b/drivers/net/can/usb/esd_usb2.c @@ -139,7 +139,7 @@ struct tx_msg { u8 cmd; u8 net; u8 dlc; - __le32 hnd; + u32 hnd; /* opaque handle, not used by device */ __le32 id; /* upper 3 bits contain flags */ u8 data[8]; }; @@ -149,7 +149,7 @@ struct tx_done_msg { u8 cmd; u8 net; u8 status; - __le32 hnd; + u32 hnd; /* opaque handle, not used by device */ __le32 ts; }; -- cgit v1.2.3 From af9bfbdab8f1c5a4b51a45aaab4cfbcc318b8ae2 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Wed, 18 Mar 2015 15:53:10 +0000 Subject: can: at91_can: use endian agnostic IO accessors Change __raw accesors to endian agnostic versions to allow the driver to work properly on big endian systems. Signed-off-by: Ben Dooks Acked-by: Nicolas Ferre Signed-off-by: Marc Kleine-Budde --- drivers/net/can/at91_can.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers') diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c index eeb4b8b6b335..f4e40aa4d2a2 100644 --- a/drivers/net/can/at91_can.c +++ b/drivers/net/can/at91_can.c @@ -291,13 +291,13 @@ static inline unsigned int get_tx_echo_mb(const struct at91_priv *priv) static inline u32 at91_read(const struct at91_priv *priv, enum at91_reg reg) { - return __raw_readl(priv->reg_base + reg); + return readl_relaxed(priv->reg_base + reg); } static inline void at91_write(const struct at91_priv *priv, enum at91_reg reg, u32 value) { - __raw_writel(value, priv->reg_base + reg); + writel_relaxed(value, priv->reg_base + reg); } static inline void set_mb_mode_prio(const struct at91_priv *priv, -- cgit v1.2.3