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path: root/drivers/net/can/usb/gs_usb.c
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Diffstat (limited to 'drivers/net/can/usb/gs_usb.c')
-rw-r--r--drivers/net/can/usb/gs_usb.c22
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/net/can/usb/gs_usb.c b/drivers/net/can/usb/gs_usb.c
index 9d27d6f0c0b5..ec9a7cbbbc69 100644
--- a/drivers/net/can/usb/gs_usb.c
+++ b/drivers/net/can/usb/gs_usb.c
@@ -772,9 +772,8 @@ device_detach:
}
}
-static int gs_usb_set_bittiming(struct net_device *netdev)
+static int gs_usb_set_bittiming(struct gs_can *dev)
{
- struct gs_can *dev = netdev_priv(netdev);
struct can_bittiming *bt = &dev->can.bittiming;
struct gs_device_bittiming dbt = {
.prop_seg = cpu_to_le32(bt->prop_seg),
@@ -791,9 +790,8 @@ static int gs_usb_set_bittiming(struct net_device *netdev)
GFP_KERNEL);
}
-static int gs_usb_set_data_bittiming(struct net_device *netdev)
+static int gs_usb_set_data_bittiming(struct gs_can *dev)
{
- struct gs_can *dev = netdev_priv(netdev);
struct can_bittiming *bt = &dev->can.fd.data_bittiming;
struct gs_device_bittiming dbt = {
.prop_seg = cpu_to_le32(bt->prop_seg),
@@ -1057,6 +1055,20 @@ static int gs_can_open(struct net_device *netdev)
if (dev->feature & GS_CAN_FEATURE_HW_TIMESTAMP)
flags |= GS_CAN_MODE_HW_TIMESTAMP;
+ rc = gs_usb_set_bittiming(dev);
+ if (rc) {
+ netdev_err(netdev, "failed to set bittiming: %pe\n", ERR_PTR(rc));
+ goto out_usb_kill_anchored_urbs;
+ }
+
+ if (ctrlmode & CAN_CTRLMODE_FD) {
+ rc = gs_usb_set_data_bittiming(dev);
+ if (rc) {
+ netdev_err(netdev, "failed to set data bittiming: %pe\n", ERR_PTR(rc));
+ goto out_usb_kill_anchored_urbs;
+ }
+ }
+
/* finally start device */
dev->can.state = CAN_STATE_ERROR_ACTIVE;
dm.flags = cpu_to_le32(flags);
@@ -1370,7 +1382,6 @@ static struct gs_can *gs_make_candev(unsigned int channel,
dev->can.state = CAN_STATE_STOPPED;
dev->can.clock.freq = le32_to_cpu(bt_const.fclk_can);
dev->can.bittiming_const = &dev->bt_const;
- dev->can.do_set_bittiming = gs_usb_set_bittiming;
dev->can.ctrlmode_supported = CAN_CTRLMODE_CC_LEN8_DLC;
@@ -1394,7 +1405,6 @@ static struct gs_can *gs_make_candev(unsigned int channel,
* GS_CAN_FEATURE_BT_CONST_EXT is set.
*/
dev->can.fd.data_bittiming_const = &dev->bt_const;
- dev->can.fd.do_set_data_bittiming = gs_usb_set_data_bittiming;
}
if (feature & GS_CAN_FEATURE_TERMINATION) {