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-rw-r--r--drivers/net/can/at91_can.c21
-rw-r--r--drivers/net/can/sun4i_can.c4
-rw-r--r--include/linux/platform_data/atmel.h5
-rw-r--r--include/uapi/linux/can/bcm.h7
-rw-r--r--net/can/bcm.c15
5 files changed, 18 insertions, 34 deletions
diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c
index 945c0955a967..8b3275d7792a 100644
--- a/drivers/net/can/at91_can.c
+++ b/drivers/net/can/at91_can.c
@@ -8,15 +8,6 @@
* Public License ("GPL") version 2 as distributed in the 'COPYING'
* file from the main directory of the linux kernel source.
*
- *
- * Your platform definition file should specify something like:
- *
- * static struct at91_can_data ek_can_data = {
- * transceiver_switch = sam9263ek_transceiver_switch,
- * };
- *
- * at91_add_device_can(&ek_can_data);
- *
*/
#include <linux/clk.h>
@@ -33,7 +24,6 @@
#include <linux/spinlock.h>
#include <linux/string.h>
#include <linux/types.h>
-#include <linux/platform_data/atmel.h>
#include <linux/can/dev.h>
#include <linux/can/error.h>
@@ -324,15 +314,6 @@ static inline u32 at91_can_id_to_reg_mid(canid_t can_id)
return reg_mid;
}
-/*
- * Swtich transceiver on or off
- */
-static void at91_transceiver_switch(const struct at91_priv *priv, int on)
-{
- if (priv->pdata && priv->pdata->transceiver_switch)
- priv->pdata->transceiver_switch(on);
-}
-
static void at91_setup_mailboxes(struct net_device *dev)
{
struct at91_priv *priv = netdev_priv(dev);
@@ -416,7 +397,6 @@ static void at91_chip_start(struct net_device *dev)
at91_set_bittiming(dev);
at91_setup_mailboxes(dev);
- at91_transceiver_switch(priv, 1);
/* enable chip */
if (priv->can.ctrlmode & CAN_CTRLMODE_LISTENONLY)
@@ -444,7 +424,6 @@ static void at91_chip_stop(struct net_device *dev, enum can_state state)
reg_mr = at91_read(priv, AT91_MR);
at91_write(priv, AT91_MR, reg_mr & ~AT91_MR_CANEN);
- at91_transceiver_switch(priv, 0);
priv->can.state = state;
}
diff --git a/drivers/net/can/sun4i_can.c b/drivers/net/can/sun4i_can.c
index 10d8497635e8..d9a42c646783 100644
--- a/drivers/net/can/sun4i_can.c
+++ b/drivers/net/can/sun4i_can.c
@@ -601,7 +601,7 @@ static int sun4i_can_err(struct net_device *dev, u8 isrc, u8 status)
stats->tx_errors++;
if (likely(skb)) {
cf->can_id |= CAN_ERR_LOSTARB;
- cf->data[0] = (alc & 0x1f) >> 8;
+ cf->data[0] = (alc >> 8) & 0x1f;
}
}
@@ -854,4 +854,4 @@ module_platform_driver(sun4i_can_driver);
MODULE_AUTHOR("Peter Chen <xingkongcp@gmail.com>");
MODULE_AUTHOR("Gerhard Bertelsmann <info@gerhard-bertelsmann.de>");
MODULE_LICENSE("Dual BSD/GPL");
-MODULE_DESCRIPTION(DRV_NAME "CAN driver for Allwinner SoCs (A10/A20)");
+MODULE_DESCRIPTION("CAN driver for Allwinner SoCs (A10/A20)");
diff --git a/include/linux/platform_data/atmel.h b/include/linux/platform_data/atmel.h
index 527a85c61924..c121ddf74f7f 100644
--- a/include/linux/platform_data/atmel.h
+++ b/include/linux/platform_data/atmel.h
@@ -74,11 +74,6 @@ struct atmel_uart_data {
struct serial_rs485 rs485; /* rs485 settings */
};
-/* CAN */
-struct at91_can_data {
- void (*transceiver_switch)(int on);
-};
-
/* FIXME: this needs a better location, but gets stuff building again */
extern int at91_suspend_entering_slow_clock(void);
diff --git a/include/uapi/linux/can/bcm.h b/include/uapi/linux/can/bcm.h
index 89ddb9dc9bdf..7a291dc1ff15 100644
--- a/include/uapi/linux/can/bcm.h
+++ b/include/uapi/linux/can/bcm.h
@@ -47,6 +47,11 @@
#include <linux/types.h>
#include <linux/can.h>
+struct bcm_timeval {
+ long tv_sec;
+ long tv_usec;
+};
+
/**
* struct bcm_msg_head - head of messages to/from the broadcast manager
* @opcode: opcode, see enum below.
@@ -62,7 +67,7 @@ struct bcm_msg_head {
__u32 opcode;
__u32 flags;
__u32 count;
- struct timeval ival1, ival2;
+ struct bcm_timeval ival1, ival2;
canid_t can_id;
__u32 nframes;
struct can_frame frames[0];
diff --git a/net/can/bcm.c b/net/can/bcm.c
index a1ba6875c2a2..6863310d6973 100644
--- a/net/can/bcm.c
+++ b/net/can/bcm.c
@@ -96,7 +96,7 @@ struct bcm_op {
canid_t can_id;
u32 flags;
unsigned long frames_abs, frames_filtered;
- struct timeval ival1, ival2;
+ struct bcm_timeval ival1, ival2;
struct hrtimer timer, thrtimer;
struct tasklet_struct tsklet, thrtsklet;
ktime_t rx_stamp, kt_ival1, kt_ival2, kt_lastmsg;
@@ -131,6 +131,11 @@ static inline struct bcm_sock *bcm_sk(const struct sock *sk)
return (struct bcm_sock *)sk;
}
+static inline ktime_t bcm_timeval_to_ktime(struct bcm_timeval tv)
+{
+ return ktime_set(tv.tv_sec, tv.tv_usec * NSEC_PER_USEC);
+}
+
#define CFSIZ sizeof(struct can_frame)
#define OPSIZ sizeof(struct bcm_op)
#define MHSIZ sizeof(struct bcm_msg_head)
@@ -953,8 +958,8 @@ static int bcm_tx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
op->count = msg_head->count;
op->ival1 = msg_head->ival1;
op->ival2 = msg_head->ival2;
- op->kt_ival1 = timeval_to_ktime(msg_head->ival1);
- op->kt_ival2 = timeval_to_ktime(msg_head->ival2);
+ op->kt_ival1 = bcm_timeval_to_ktime(msg_head->ival1);
+ op->kt_ival2 = bcm_timeval_to_ktime(msg_head->ival2);
/* disable an active timer due to zero values? */
if (!op->kt_ival1.tv64 && !op->kt_ival2.tv64)
@@ -1134,8 +1139,8 @@ static int bcm_rx_setup(struct bcm_msg_head *msg_head, struct msghdr *msg,
/* set timer value */
op->ival1 = msg_head->ival1;
op->ival2 = msg_head->ival2;
- op->kt_ival1 = timeval_to_ktime(msg_head->ival1);
- op->kt_ival2 = timeval_to_ktime(msg_head->ival2);
+ op->kt_ival1 = bcm_timeval_to_ktime(msg_head->ival1);
+ op->kt_ival2 = bcm_timeval_to_ktime(msg_head->ival2);
/* disable an active timer due to zero value? */
if (!op->kt_ival1.tv64)