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-rw-r--r--drivers/net/can/m_can/m_can.c14
-rw-r--r--drivers/net/can/pch_can.c2
-rw-r--r--drivers/net/can/sja1000/ems_pcmcia.c7
-rw-r--r--drivers/net/can/usb/kvaser_usb.c41
4 files changed, 49 insertions, 15 deletions
diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c
index 8751bd3e5789..c50452af4ded 100644
--- a/drivers/net/can/m_can/m_can.c
+++ b/drivers/net/can/m_can/m_can.c
@@ -226,15 +226,15 @@ enum m_can_mram_cfg {
/* Interrupts for version 3.0.x */
#define IR_ERR_LEC_30X (IR_STE | IR_FOE | IR_ACKE | IR_BE | IR_CRCE)
-#define IR_ERR_BUS_30X (IR_ERR_LEC_30X | IR_WDI | IR_ELO | IR_BEU | \
- IR_BEC | IR_TOO | IR_MRAF | IR_TSW | IR_TEFL | \
- IR_RF1L | IR_RF0L)
+#define IR_ERR_BUS_30X (IR_ERR_LEC_30X | IR_WDI | IR_BEU | IR_BEC | \
+ IR_TOO | IR_MRAF | IR_TSW | IR_TEFL | IR_RF1L | \
+ IR_RF0L)
#define IR_ERR_ALL_30X (IR_ERR_STATE | IR_ERR_BUS_30X)
/* Interrupts for version >= 3.1.x */
#define IR_ERR_LEC_31X (IR_PED | IR_PEA)
-#define IR_ERR_BUS_31X (IR_ERR_LEC_31X | IR_WDI | IR_ELO | IR_BEU | \
- IR_BEC | IR_TOO | IR_MRAF | IR_TSW | IR_TEFL | \
- IR_RF1L | IR_RF0L)
+#define IR_ERR_BUS_31X (IR_ERR_LEC_31X | IR_WDI | IR_BEU | IR_BEC | \
+ IR_TOO | IR_MRAF | IR_TSW | IR_TEFL | IR_RF1L | \
+ IR_RF0L)
#define IR_ERR_ALL_31X (IR_ERR_STATE | IR_ERR_BUS_31X)
/* Interrupt Line Select (ILS) */
@@ -765,8 +765,6 @@ static void m_can_handle_other_err(struct net_device *dev, u32 irqstatus)
{
if (irqstatus & IR_WDI)
netdev_err(dev, "Message RAM Watchdog event due to missing READY\n");
- if (irqstatus & IR_ELO)
- netdev_err(dev, "Error Logging Overflow\n");
if (irqstatus & IR_BEU)
netdev_err(dev, "Bit Error Uncorrected\n");
if (irqstatus & IR_BEC)
diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c
index c1317889d3d8..ced11ea89269 100644
--- a/drivers/net/can/pch_can.c
+++ b/drivers/net/can/pch_can.c
@@ -703,11 +703,11 @@ static int pch_can_rx_normal(struct net_device *ndev, u32 obj_num, int quota)
cf->data[i + 1] = data_reg >> 8;
}
- netif_receive_skb(skb);
rcv_pkts++;
stats->rx_packets++;
quota--;
stats->rx_bytes += cf->can_dlc;
+ netif_receive_skb(skb);
pch_fifo_thresh(priv, obj_num);
obj_num++;
diff --git a/drivers/net/can/sja1000/ems_pcmcia.c b/drivers/net/can/sja1000/ems_pcmcia.c
index 381de998d2f1..fef5c59c0f4c 100644
--- a/drivers/net/can/sja1000/ems_pcmcia.c
+++ b/drivers/net/can/sja1000/ems_pcmcia.c
@@ -243,7 +243,12 @@ static int ems_pcmcia_add_card(struct pcmcia_device *pdev, unsigned long base)
free_sja1000dev(dev);
}
- err = request_irq(dev->irq, &ems_pcmcia_interrupt, IRQF_SHARED,
+ if (!card->channels) {
+ err = -ENODEV;
+ goto failure_cleanup;
+ }
+
+ err = request_irq(pdev->irq, &ems_pcmcia_interrupt, IRQF_SHARED,
DRV_NAME, card);
if (!err)
return 0;
diff --git a/drivers/net/can/usb/kvaser_usb.c b/drivers/net/can/usb/kvaser_usb.c
index 2b994bbf85ca..9742e32d5cd5 100644
--- a/drivers/net/can/usb/kvaser_usb.c
+++ b/drivers/net/can/usb/kvaser_usb.c
@@ -31,7 +31,10 @@
#define USB_SEND_TIMEOUT 1000 /* msecs */
#define USB_RECV_TIMEOUT 1000 /* msecs */
#define RX_BUFFER_SIZE 3072
-#define CAN_USB_CLOCK 8000000
+#define KVASER_USB_CAN_CLOCK_8MHZ 8000000
+#define KVASER_USB_CAN_CLOCK_16MHZ 16000000
+#define KVASER_USB_CAN_CLOCK_24MHZ 24000000
+#define KVASER_USB_CAN_CLOCK_32MHZ 32000000
#define MAX_NET_DEVICES 3
#define MAX_USBCAN_NET_DEVICES 2
@@ -142,6 +145,12 @@ static inline bool kvaser_is_usbcan(const struct usb_device_id *id)
#define CMD_LEAF_USB_THROTTLE 77
#define CMD_LEAF_LOG_MESSAGE 106
+/* Leaf frequency options */
+#define KVASER_USB_LEAF_SWOPTION_FREQ_MASK 0x60
+#define KVASER_USB_LEAF_SWOPTION_FREQ_16_MHZ_CLK 0
+#define KVASER_USB_LEAF_SWOPTION_FREQ_32_MHZ_CLK BIT(5)
+#define KVASER_USB_LEAF_SWOPTION_FREQ_24_MHZ_CLK BIT(6)
+
/* error factors */
#define M16C_EF_ACKE BIT(0)
#define M16C_EF_CRCE BIT(1)
@@ -472,6 +481,8 @@ struct kvaser_usb {
bool rxinitdone;
void *rxbuf[MAX_RX_URBS];
dma_addr_t rxbuf_dma[MAX_RX_URBS];
+
+ struct can_clock clock;
};
struct kvaser_usb_net_priv {
@@ -652,6 +663,27 @@ static int kvaser_usb_send_simple_msg(const struct kvaser_usb *dev,
return rc;
}
+static void kvaser_usb_get_software_info_leaf(struct kvaser_usb *dev,
+ const struct leaf_msg_softinfo *softinfo)
+{
+ u32 sw_options = le32_to_cpu(softinfo->sw_options);
+
+ dev->fw_version = le32_to_cpu(softinfo->fw_version);
+ dev->max_tx_urbs = le16_to_cpu(softinfo->max_outstanding_tx);
+
+ switch (sw_options & KVASER_USB_LEAF_SWOPTION_FREQ_MASK) {
+ case KVASER_USB_LEAF_SWOPTION_FREQ_16_MHZ_CLK:
+ dev->clock.freq = KVASER_USB_CAN_CLOCK_16MHZ;
+ break;
+ case KVASER_USB_LEAF_SWOPTION_FREQ_24_MHZ_CLK:
+ dev->clock.freq = KVASER_USB_CAN_CLOCK_24MHZ;
+ break;
+ case KVASER_USB_LEAF_SWOPTION_FREQ_32_MHZ_CLK:
+ dev->clock.freq = KVASER_USB_CAN_CLOCK_32MHZ;
+ break;
+ }
+}
+
static int kvaser_usb_get_software_info(struct kvaser_usb *dev)
{
struct kvaser_msg msg;
@@ -667,14 +699,13 @@ static int kvaser_usb_get_software_info(struct kvaser_usb *dev)
switch (dev->family) {
case KVASER_LEAF:
- dev->fw_version = le32_to_cpu(msg.u.leaf.softinfo.fw_version);
- dev->max_tx_urbs =
- le16_to_cpu(msg.u.leaf.softinfo.max_outstanding_tx);
+ kvaser_usb_get_software_info_leaf(dev, &msg.u.leaf.softinfo);
break;
case KVASER_USBCAN:
dev->fw_version = le32_to_cpu(msg.u.usbcan.softinfo.fw_version);
dev->max_tx_urbs =
le16_to_cpu(msg.u.usbcan.softinfo.max_outstanding_tx);
+ dev->clock.freq = KVASER_USB_CAN_CLOCK_8MHZ;
break;
}
@@ -1926,7 +1957,7 @@ static int kvaser_usb_init_one(struct usb_interface *intf,
kvaser_usb_reset_tx_urb_contexts(priv);
priv->can.state = CAN_STATE_STOPPED;
- priv->can.clock.freq = CAN_USB_CLOCK;
+ priv->can.clock.freq = dev->clock.freq;
priv->can.bittiming_const = &kvaser_usb_bittiming_const;
priv->can.do_set_bittiming = kvaser_usb_set_bittiming;
priv->can.do_set_mode = kvaser_usb_set_mode;
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-04-27 14:53:23 +0000