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path: root/drivers/net/can/m_can/m_can.c
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Diffstat (limited to 'drivers/net/can/m_can/m_can.c')
-rw-r--r--drivers/net/can/m_can/m_can.c42
1 files changed, 27 insertions, 15 deletions
diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c
index 2470c47b2e31..c2a8421e7845 100644
--- a/drivers/net/can/m_can/m_can.c
+++ b/drivers/net/can/m_can/m_can.c
@@ -204,16 +204,16 @@ enum m_can_reg {
/* 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) */
@@ -517,7 +517,7 @@ static int m_can_read_fifo(struct net_device *dev, u32 rxfs)
err = m_can_fifo_read(cdev, fgi, M_CAN_FIFO_DATA,
cf->data, DIV_ROUND_UP(cf->len, 4));
if (err)
- goto out_fail;
+ goto out_free_skb;
}
/* acknowledge rx fifo 0 */
@@ -532,6 +532,8 @@ static int m_can_read_fifo(struct net_device *dev, u32 rxfs)
return 0;
+out_free_skb:
+ kfree_skb(skb);
out_fail:
netdev_err(dev, "FIFO read returned %d\n", err);
return err;
@@ -810,8 +812,6 @@ 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)
@@ -1494,20 +1494,32 @@ static int m_can_dev_setup(struct m_can_classdev *cdev)
case 30:
/* CAN_CTRLMODE_FD_NON_ISO is fixed with M_CAN IP v3.0.x */
can_set_static_ctrlmode(dev, CAN_CTRLMODE_FD_NON_ISO);
- cdev->can.bittiming_const = &m_can_bittiming_const_30X;
- cdev->can.data_bittiming_const = &m_can_data_bittiming_const_30X;
+ cdev->can.bittiming_const = cdev->bit_timing ?
+ cdev->bit_timing : &m_can_bittiming_const_30X;
+
+ cdev->can.data_bittiming_const = cdev->data_timing ?
+ cdev->data_timing :
+ &m_can_data_bittiming_const_30X;
break;
case 31:
/* CAN_CTRLMODE_FD_NON_ISO is fixed with M_CAN IP v3.1.x */
can_set_static_ctrlmode(dev, CAN_CTRLMODE_FD_NON_ISO);
- cdev->can.bittiming_const = &m_can_bittiming_const_31X;
- cdev->can.data_bittiming_const = &m_can_data_bittiming_const_31X;
+ cdev->can.bittiming_const = cdev->bit_timing ?
+ cdev->bit_timing : &m_can_bittiming_const_31X;
+
+ cdev->can.data_bittiming_const = cdev->data_timing ?
+ cdev->data_timing :
+ &m_can_data_bittiming_const_31X;
break;
case 32:
case 33:
/* Support both MCAN version v3.2.x and v3.3.0 */
- cdev->can.bittiming_const = &m_can_bittiming_const_31X;
- cdev->can.data_bittiming_const = &m_can_data_bittiming_const_31X;
+ cdev->can.bittiming_const = cdev->bit_timing ?
+ cdev->bit_timing : &m_can_bittiming_const_31X;
+
+ cdev->can.data_bittiming_const = cdev->data_timing ?
+ cdev->data_timing :
+ &m_can_data_bittiming_const_31X;
cdev->can.ctrlmode_supported |=
(m_can_niso_supported(cdev) ?