disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/net/can/usb/kvaser_usb/kvaser_usb.h
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@@ -76,6 +76,14 @@
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 	int dlc;
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 };
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+struct kvaser_usb_busparams {
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+	__le32 bitrate;
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+	u8 tseg1;
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+	u8 tseg2;
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+	u8 sjw;
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+	u8 nsamples;
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+} __packed;
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+
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 struct kvaser_usb {
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 	struct usb_device *udev;
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 	struct usb_interface *intf;
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@@ -104,12 +112,18 @@
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 	struct can_priv can;
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 	struct can_berr_counter bec;
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+	/* subdriver-specific data */
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+	void *sub_priv;
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+
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 	struct kvaser_usb *dev;
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 	struct net_device *netdev;
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 	int channel;
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-	struct completion start_comp, stop_comp, flush_comp;
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+	struct completion start_comp, stop_comp, flush_comp,
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+			  get_busparams_comp;
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 	struct usb_anchor tx_submitted;
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+
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+	struct kvaser_usb_busparams busparams_nominal, busparams_data;
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 	spinlock_t tx_contexts_lock; /* lock for active_tx_contexts */
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 	int active_tx_contexts;
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@@ -120,11 +134,15 @@
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  * struct kvaser_usb_dev_ops - Device specific functions
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  * @dev_set_mode:		used for can.do_set_mode
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  * @dev_set_bittiming:		used for can.do_set_bittiming
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+ * @dev_get_busparams:		readback arbitration busparams
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  * @dev_set_data_bittiming:	used for can.do_set_data_bittiming
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+ * @dev_get_data_busparams:	readback data busparams
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  * @dev_get_berr_counter:	used for can.do_get_berr_counter
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  *
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  * @dev_setup_endpoints:	setup USB in and out endpoints
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  * @dev_init_card:		initialize card
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+ * @dev_init_channel:		initialize channel
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+ * @dev_remove_channel:		uninitialize channel
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  * @dev_get_software_info:	get software info
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  * @dev_get_software_details:	get software details
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  * @dev_get_card_info:		get card info
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@@ -140,12 +158,18 @@
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  */
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 struct kvaser_usb_dev_ops {
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 	int (*dev_set_mode)(struct net_device *netdev, enum can_mode mode);
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-	int (*dev_set_bittiming)(struct net_device *netdev);
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-	int (*dev_set_data_bittiming)(struct net_device *netdev);
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+	int (*dev_set_bittiming)(const struct net_device *netdev,
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+				 const struct kvaser_usb_busparams *busparams);
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+	int (*dev_get_busparams)(struct kvaser_usb_net_priv *priv);
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+	int (*dev_set_data_bittiming)(const struct net_device *netdev,
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+				      const struct kvaser_usb_busparams *busparams);
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+	int (*dev_get_data_busparams)(struct kvaser_usb_net_priv *priv);
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 	int (*dev_get_berr_counter)(const struct net_device *netdev,
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 				    struct can_berr_counter *bec);
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 	int (*dev_setup_endpoints)(struct kvaser_usb *dev);
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 	int (*dev_init_card)(struct kvaser_usb *dev);
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+	int (*dev_init_channel)(struct kvaser_usb_net_priv *priv);
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+	void (*dev_remove_channel)(struct kvaser_usb_net_priv *priv);
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 	int (*dev_get_software_info)(struct kvaser_usb *dev);
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 	int (*dev_get_software_details)(struct kvaser_usb *dev);
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 	int (*dev_get_card_info)(struct kvaser_usb *dev);