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path: root/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_dev.c
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Diffstat (limited to 'drivers/staging/vc04_services/interface/vchiq_arm/vchiq_dev.c')
-rw-r--r--drivers/staging/vc04_services/interface/vchiq_arm/vchiq_dev.c113
1 files changed, 43 insertions, 70 deletions
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_dev.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_dev.c
index 0bc93f48c14c..4d9deeeb637a 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_dev.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_dev.c
@@ -47,9 +47,8 @@ user_service_free(void *userdata)
static void close_delivered(struct user_service *user_service)
{
- vchiq_log_debug(user_service->service->state->dev, VCHIQ_ARM,
- "%s(handle=%x)",
- __func__, user_service->service->handle);
+ dev_dbg(user_service->service->state->dev,
+ "arm: (handle=%x)\n", user_service->service->handle);
if (user_service->close_pending) {
/* Allow the underlying service to be culled */
@@ -235,8 +234,7 @@ static int vchiq_ioc_dequeue_message(struct vchiq_instance *instance,
spin_unlock(&msg_queue_spinlock);
DEBUG_TRACE(DEQUEUE_MESSAGE_LINE);
if (wait_for_completion_interruptible(&user_service->insert_event)) {
- vchiq_log_debug(service->state->dev, VCHIQ_ARM,
- "DEQUEUE_MESSAGE interrupted");
+ dev_dbg(service->state->dev, "arm: DEQUEUE_MESSAGE interrupted\n");
ret = -EINTR;
break;
}
@@ -271,9 +269,9 @@ static int vchiq_ioc_dequeue_message(struct vchiq_instance *instance,
ret = -EFAULT;
}
} else {
- vchiq_log_error(service->state->dev, VCHIQ_ARM,
- "header %pK: bufsize %x < size %x",
- header, args->bufsize, header->size);
+ dev_err(service->state->dev,
+ "arm: header %pK: bufsize %x < size %x\n",
+ header, args->bufsize, header->size);
WARN(1, "invalid size\n");
ret = -EMSGSIZE;
}
@@ -318,13 +316,13 @@ static int vchiq_irq_queue_bulk_tx_rx(struct vchiq_instance *instance,
}
mutex_unlock(&instance->bulk_waiter_list_mutex);
if (!waiter) {
- vchiq_log_error(service->state->dev, VCHIQ_ARM,
- "no bulk_waiter found for pid %d", current->pid);
+ dev_err(service->state->dev,
+ "arm: no bulk_waiter found for pid %d\n", current->pid);
ret = -ESRCH;
goto out;
}
- vchiq_log_debug(service->state->dev, VCHIQ_ARM,
- "found bulk_waiter %pK for pid %d", waiter, current->pid);
+ dev_dbg(service->state->dev, "arm: found bulk_waiter %pK for pid %d\n",
+ waiter, current->pid);
userdata = &waiter->bulk_waiter;
} else {
userdata = args->userdata;
@@ -355,8 +353,8 @@ static int vchiq_irq_queue_bulk_tx_rx(struct vchiq_instance *instance,
mutex_lock(&instance->bulk_waiter_list_mutex);
list_add(&waiter->list, &instance->bulk_waiter_list);
mutex_unlock(&instance->bulk_waiter_list_mutex);
- vchiq_log_debug(service->state->dev, VCHIQ_ARM,
- "saved bulk_waiter %pK for pid %d", waiter, current->pid);
+ dev_dbg(service->state->dev, "arm: saved bulk_waiter %pK for pid %d\n",
+ waiter, current->pid);
ret = put_user(mode_waiting, mode);
}
@@ -455,8 +453,7 @@ static int vchiq_ioc_await_completion(struct vchiq_instance *instance,
mutex_lock(&instance->completion_mutex);
if (rc) {
DEBUG_TRACE(AWAIT_COMPLETION_LINE);
- vchiq_log_debug(instance->state->dev, VCHIQ_ARM,
- "AWAIT_COMPLETION interrupted");
+ dev_dbg(instance->state->dev, "arm: AWAIT_COMPLETION interrupted\n");
ret = -EINTR;
goto out;
}
@@ -501,10 +498,10 @@ static int vchiq_ioc_await_completion(struct vchiq_instance *instance,
msglen = header->size + sizeof(struct vchiq_header);
/* This must be a VCHIQ-style service */
if (args->msgbufsize < msglen) {
- vchiq_log_error(service->state->dev, VCHIQ_ARM,
- "header %pK: msgbufsize %x < msglen %x",
- header, args->msgbufsize, msglen);
- WARN(1, "invalid message size\n");
+ dev_err(service->state->dev,
+ "arm: header %pK: msgbufsize %x < msglen %x\n",
+ header, args->msgbufsize, msglen);
+ WARN(1, "invalid message size\n");
if (ret == 0)
ret = -EMSGSIZE;
break;
@@ -582,10 +579,9 @@ vchiq_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
long ret = 0;
int i, rc;
- vchiq_log_trace(instance->state->dev, VCHIQ_ARM,
- "%s - instance %pK, cmd %s, arg %lx", __func__, instance,
- ((_IOC_TYPE(cmd) == VCHIQ_IOC_MAGIC) && (_IOC_NR(cmd) <= VCHIQ_IOC_MAX)) ?
- ioctl_names[_IOC_NR(cmd)] : "<invalid>", arg);
+ dev_dbg(instance->state->dev, "arm: instance %pK, cmd %s, arg %lx\n", instance,
+ ((_IOC_TYPE(cmd) == VCHIQ_IOC_MAGIC) && (_IOC_NR(cmd) <= VCHIQ_IOC_MAX)) ?
+ ioctl_names[_IOC_NR(cmd)] : "<invalid>", arg);
switch (cmd) {
case VCHIQ_IOC_SHUTDOWN:
@@ -618,9 +614,9 @@ vchiq_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
}
rc = mutex_lock_killable(&instance->state->mutex);
if (rc) {
- vchiq_log_error(instance->state->dev, VCHIQ_ARM,
- "vchiq: connect: could not lock mutex for state %d: %d",
- instance->state->id, rc);
+ dev_err(instance->state->dev,
+ "arm: vchiq: connect: could not lock mutex for state %d: %d\n",
+ instance->state->id, rc);
ret = -EINTR;
break;
}
@@ -630,8 +626,8 @@ vchiq_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
if (!status)
instance->connected = 1;
else
- vchiq_log_error(instance->state->dev, VCHIQ_ARM,
- "vchiq: could not connect: %d", status);
+ dev_err(instance->state->dev,
+ "arm: vchiq: could not connect: %d\n", status);
break;
case VCHIQ_IOC_CREATE_SERVICE: {
@@ -700,13 +696,13 @@ vchiq_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
vchiq_use_service_internal(service) :
vchiq_release_service_internal(service);
if (ret) {
- vchiq_log_error(instance->state->dev, VCHIQ_SUSPEND,
- "%s: cmd %s returned error %ld for service %p4cc:%03d",
- __func__, (cmd == VCHIQ_IOC_USE_SERVICE) ?
- "VCHIQ_IOC_USE_SERVICE" :
- "VCHIQ_IOC_RELEASE_SERVICE",
- ret, &service->base.fourcc,
- service->client_id);
+ dev_err(instance->state->dev,
+ "suspend: cmd %s returned error %ld for service %p4cc:%03d\n",
+ (cmd == VCHIQ_IOC_USE_SERVICE) ?
+ "VCHIQ_IOC_USE_SERVICE" :
+ "VCHIQ_IOC_RELEASE_SERVICE",
+ ret, &service->base.fourcc,
+ service->client_id);
}
} else {
ret = -EINVAL;
@@ -868,15 +864,15 @@ vchiq_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
}
if (!status && (ret < 0) && (ret != -EINTR) && (ret != -EWOULDBLOCK)) {
- vchiq_log_debug(instance->state->dev, VCHIQ_ARM,
- " ioctl instance %pK, cmd %s -> status %d, %ld",
- instance, (_IOC_NR(cmd) <= VCHIQ_IOC_MAX) ?
- ioctl_names[_IOC_NR(cmd)] : "<invalid>", status, ret);
+ dev_dbg(instance->state->dev,
+ "arm: ioctl instance %pK, cmd %s -> status %d, %ld\n",
+ instance, (_IOC_NR(cmd) <= VCHIQ_IOC_MAX) ?
+ ioctl_names[_IOC_NR(cmd)] : "<invalid>", status, ret);
} else {
- vchiq_log_trace(instance->state->dev, VCHIQ_ARM,
- " ioctl instance %pK, cmd %s -> status %d, %ld",
- instance, (_IOC_NR(cmd) <= VCHIQ_IOC_MAX) ?
- ioctl_names[_IOC_NR(cmd)] : "<invalid>", status, ret);
+ dev_dbg(instance->state->dev,
+ "arm: ioctl instance %pK, cmd %s -> status %d\n, %ld\n",
+ instance, (_IOC_NR(cmd) <= VCHIQ_IOC_MAX) ?
+ ioctl_names[_IOC_NR(cmd)] : "<invalid>", status, ret);
}
return ret;
@@ -1170,11 +1166,10 @@ static int vchiq_open(struct inode *inode, struct file *file)
struct vchiq_state *state = vchiq_get_state();
struct vchiq_instance *instance;
- vchiq_log_debug(state->dev, VCHIQ_ARM, "vchiq_open");
+ dev_dbg(state->dev, "arm: vchiq open\n");
if (!state) {
- vchiq_log_error(state->dev, VCHIQ_ARM,
- "vchiq has no connection to VideoCore");
+ dev_err(state->dev, "arm: vchiq has no connection to VideoCore\n");
return -ENOTCONN;
}
@@ -1206,8 +1201,7 @@ static int vchiq_release(struct inode *inode, struct file *file)
int ret = 0;
int i;
- vchiq_log_debug(state->dev, VCHIQ_ARM, "%s: instance=%lx", __func__,
- (unsigned long)instance);
+ dev_dbg(state->dev, "arm: instance=%p\n", instance);
if (!state) {
ret = -EPERM;
@@ -1306,26 +1300,6 @@ out:
return ret;
}
-static ssize_t
-vchiq_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
-{
- struct dump_context context;
- int err;
-
- context.buf = buf;
- context.actual = 0;
- context.space = count;
- context.offset = *ppos;
-
- err = vchiq_dump_state(&context, &g_state);
- if (err)
- return err;
-
- *ppos += context.actual;
-
- return context.actual;
-}
-
static const struct file_operations
vchiq_fops = {
.owner = THIS_MODULE,
@@ -1335,7 +1309,6 @@ vchiq_fops = {
#endif
.open = vchiq_open,
.release = vchiq_release,
- .read = vchiq_read
};
static struct miscdevice vchiq_miscdev = {
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-19 11:22:10 +0300