From e3629f5657e653c413b2970a91e5f9ea123b36dc Mon Sep 17 00:00:00 2001 From: Stephane Grosjean Date: Fri, 23 Jan 2015 11:31:20 +0100 Subject: [PATCH] can: peak_usb: add adapter BEC callback definition Add the definition of a new callback that enable any PEAK-System CAN USB adapter to grant read access to its Bus Error Counters value. This ability is not supported by all the PEAK-System adapters, thus, for those, the callback pointer will be initiaized to NULL, which is correct regarding the linux-can device driver specs. Signed-off-by: Stephane Grosjean Signed-off-by: Marc Kleine-Budde --- drivers/net/can/usb/peak_usb/pcan_usb_core.c | 1 + drivers/net/can/usb/peak_usb/pcan_usb_core.h | 2 ++ 2 files changed, 3 insertions(+) diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.c b/drivers/net/can/usb/peak_usb/pcan_usb_core.c index 2768399a52fa..38634323ec51 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb_core.c +++ b/drivers/net/can/usb/peak_usb/pcan_usb_core.c @@ -750,6 +750,7 @@ static int peak_usb_create_dev(const struct peak_usb_adapter *peak_usb_adapter, dev->can.bittiming_const = &peak_usb_adapter->bittiming_const; dev->can.do_set_bittiming = peak_usb_set_bittiming; dev->can.do_set_mode = peak_usb_set_mode; + dev->can.do_get_berr_counter = peak_usb_adapter->do_get_berr_counter; dev->can.ctrlmode_supported = peak_usb_adapter->ctrlmode_supported; netdev->netdev_ops = &peak_usb_netdev_ops; diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.h b/drivers/net/can/usb/peak_usb/pcan_usb_core.h index 54fdb5978a05..739a344427a2 100644 --- a/drivers/net/can/usb/peak_usb/pcan_usb_core.h +++ b/drivers/net/can/usb/peak_usb/pcan_usb_core.h @@ -67,6 +67,8 @@ struct peak_usb_adapter { int (*dev_stop)(struct peak_usb_device *dev); int (*dev_restart_async)(struct peak_usb_device *dev, struct urb *urb, u8 *buf); + int (*do_get_berr_counter)(const struct net_device *netdev, + struct can_berr_counter *bec); u8 ep_msg_in; u8 ep_msg_out[PCAN_USB_MAX_CHANNEL]; u8 ts_used_bits; -- 2.20.1