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can: peak_usb: upgrade core to data bittiming specs 

Upgrade PEAK-System USB adapters core to the new data structures (names) and
callbacks added for the support of the CANFD extension. This specific patch
does the mandatory changes to support new data bittiming specs.

Signed-off-by: Stephane Grosjean <s.grosjean@peak-system.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Stephane Grosjean 2015-01-23 11:31:21 +01:00 committed by Marc Kleine-Budde
parent e3629f5657
commit b9f2cc1be7
2 changed files with 34 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
drivers/net/can/usb/peak_usb/pcan_usb_core.c
View File

@ -678,15 +678,16 @@ static int peak_usb_set_mode(struct net_device *netdev, enum can_mode mode)
}
/*
* candev callback used to set device bitrate.
* candev callback used to set device nominal/arbitration bitrate.
*/
static int peak_usb_set_bittiming(struct net_device *netdev)
{
struct peak_usb_device *dev = netdev_priv(netdev);
struct can_bittiming *bt = &dev->can.bittiming;
const struct peak_usb_adapter *pa = dev->adapter;
if (dev->adapter->dev_set_bittiming) {
int err = dev->adapter->dev_set_bittiming(dev, bt);
if (pa->dev_set_bittiming) {
struct can_bittiming *bt = &dev->can.bittiming;
int err = pa->dev_set_bittiming(dev, bt);
if (err)
netdev_info(netdev, "couldn't set bitrate (err %d)\n",
@ -697,6 +698,29 @@ static int peak_usb_set_bittiming(struct net_device *netdev)
return 0;
}
/*
* candev callback used to set device data bitrate.
*/
static int peak_usb_set_data_bittiming(struct net_device *netdev)
{
struct peak_usb_device *dev = netdev_priv(netdev);
const struct peak_usb_adapter *pa = dev->adapter;
if (pa->dev_set_data_bittiming) {
struct can_bittiming *bt = &dev->can.data_bittiming;
int err = pa->dev_set_data_bittiming(dev, bt);
if (err)
netdev_info(netdev,
"couldn't set data bitrate (err %d)\n",
err);
return err;
}
return 0;
}
static const struct net_device_ops peak_usb_netdev_ops = {
.ndo_open = peak_usb_ndo_open,
.ndo_stop = peak_usb_ndo_stop,
@ -749,6 +773,8 @@ static int peak_usb_create_dev(const struct peak_usb_adapter *peak_usb_adapter,
dev->can.clock = peak_usb_adapter->clock;
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.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;
dev->can.ctrlmode_supported = peak_usb_adapter->ctrlmode_supported;

3
drivers/net/can/usb/peak_usb/pcan_usb_core.h
View File

@ -47,6 +47,7 @@ struct peak_usb_adapter {
u32 ctrlmode_supported;
struct can_clock clock;
const struct can_bittiming_const bittiming_const;
const struct can_bittiming_const data_bittiming_const;
unsigned int ctrl_count;
int (*intf_probe)(struct usb_interface *intf);
@ -58,6 +59,8 @@ struct peak_usb_adapter {
int (*dev_close)(struct peak_usb_device *dev);
int (*dev_set_bittiming)(struct peak_usb_device *dev,
struct can_bittiming *bt);
int (*dev_set_data_bittiming)(struct peak_usb_device *dev,
struct can_bittiming *bt);
int (*dev_set_bus)(struct peak_usb_device *dev, u8 onoff);
int (*dev_get_device_id)(struct peak_usb_device *dev, u32 *device_id);
int (*dev_decode_buf)(struct peak_usb_device *dev, struct urb *urb);