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Message-Id: <20230118115810.21979-4-umang.jain@ideasonboard.com>
Date: Wed, 18 Jan 2023 17:28:09 +0530
From: Umang Jain <umang.jain@...asonboard.com>
To: linux-staging@...ts.linux.dev,
linux-rpi-kernel@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: Stefan Wahren <stefan.wahren@...e.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Florian Fainelli <f.fainelli@...il.com>,
Adrien Thierry <athierry@...hat.com>,
Dan Carpenter <error27@...il.com>,
Dave Stevenson <dave.stevenson@...pberrypi.com>,
Kieran Bingham <kieran.bingham@...asonboard.com>,
Laurent Pinchart <laurent.pinchart@...asonboard.com>,
Umang Jain <umang.jain@...asonboard.com>
Subject: [RFC PATCH 3/4] staging: vc04_services: Drop custom logging
Drop custom logging from the vchiq_connected and vchiq_dev.
Use standard kernel logging infrastructure (dev_dbg and friends
for struct Device stuff) and pr_info (and similar) for vchiq_instance
related things.
Signed-off-by: Umang Jain <umang.jain@...asonboard.com>
---
.../interface/vchiq_arm/vchiq_connected.c | 5 +-
.../interface/vchiq_arm/vchiq_dev.c | 78 ++++++++-----------
2 files changed, 33 insertions(+), 50 deletions(-)
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.c
index bdb0ab617d8b..c769014ae2ac 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_connected.c
@@ -39,9 +39,8 @@ void vchiq_add_connected_callback(void (*callback)(void))
callback();
} else {
if (g_num_deferred_callbacks >= MAX_CALLBACKS) {
- vchiq_log_error(vchiq_core_log_level,
- "There already %d callback registered - please increase MAX_CALLBACKS",
- g_num_deferred_callbacks);
+ pr_err("vchiq: There is already %d callback registered - please increase MAX_CALLBACKS",
+ g_num_deferred_callbacks);
} else {
g_deferred_callback[g_num_deferred_callbacks] =
callback;
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 841e1a535642..2524a435e5ce 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_info(vchiq_arm_log_level,
- "%s(handle=%x)",
- __func__, user_service->service->handle);
+ pr_info("vchiq: %s(handle=%x)", __func__,
+ 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_info(vchiq_arm_log_level,
- "DEQUEUE_MESSAGE interrupted");
+ pr_info("vchiq: DEQUEUE_MESSAGE interrupted\n");
ret = -EINTR;
break;
}
@@ -271,9 +269,8 @@ static int vchiq_ioc_dequeue_message(struct vchiq_instance *instance,
ret = -EFAULT;
}
} else {
- vchiq_log_error(vchiq_arm_log_level,
- "header %pK: bufsize %x < size %x",
- header, args->bufsize, header->size);
+ pr_err("vchiq: header %pK: bufsize %x < size %x",
+ header, args->bufsize, header->size);
WARN(1, "invalid size\n");
ret = -EMSGSIZE;
}
@@ -318,13 +315,11 @@ static int vchiq_irq_queue_bulk_tx_rx(struct vchiq_instance *instance,
}
mutex_unlock(&instance->bulk_waiter_list_mutex);
if (!waiter) {
- vchiq_log_error(vchiq_arm_log_level,
- "no bulk_waiter found for pid %d", current->pid);
+ pr_err("vchiq: no bulk_waiter found for pid %d", current->pid);
ret = -ESRCH;
goto out;
}
- vchiq_log_info(vchiq_arm_log_level,
- "found bulk_waiter %pK for pid %d", waiter, current->pid);
+ pr_info("vchiq: found bulk_waiter %pK for pid %d", waiter, current->pid);
userdata = &waiter->bulk_waiter;
} else {
userdata = args->userdata;
@@ -355,8 +350,7 @@ 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_info(vchiq_arm_log_level,
- "saved bulk_waiter %pK for pid %d", waiter, current->pid);
+ pr_info("vchiq: saved bulk_waiter %pK for pid %d", waiter, current->pid);
ret = put_user(mode_waiting, mode);
}
@@ -455,8 +449,7 @@ static int vchiq_ioc_await_completion(struct vchiq_instance *instance,
mutex_lock(&instance->completion_mutex);
if (rc) {
DEBUG_TRACE(AWAIT_COMPLETION_LINE);
- vchiq_log_info(vchiq_arm_log_level,
- "AWAIT_COMPLETION interrupted");
+ pr_info("vchiq: AWAIT_COMPLETION interrupted");
ret = -EINTR;
goto out;
}
@@ -501,10 +494,9 @@ 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(vchiq_arm_log_level,
- "header %pK: msgbufsize %x < msglen %x",
- header, args->msgbufsize, msglen);
- WARN(1, "invalid message size\n");
+ pr_err("vchiq: header %pK: msgbufsize %x < msglen %x",
+ header, args->msgbufsize, msglen);
+ WARN(1, "invalid message size\n");
if (ret == 0)
ret = -EMSGSIZE;
break;
@@ -582,10 +574,9 @@ vchiq_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
long ret = 0;
int i, rc;
- vchiq_log_trace(vchiq_arm_log_level,
- "%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);
+ pr_debug("vchiq: %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);
switch (cmd) {
case VCHIQ_IOC_SHUTDOWN:
@@ -618,9 +609,8 @@ vchiq_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
}
rc = mutex_lock_killable(&instance->state->mutex);
if (rc) {
- vchiq_log_error(vchiq_arm_log_level,
- "vchiq: connect: could not lock mutex for state %d: %d",
- instance->state->id, rc);
+ pr_err("vchiq: connect: could not lock mutex for state %d: %d",
+ instance->state->id, rc);
ret = -EINTR;
break;
}
@@ -630,8 +620,7 @@ vchiq_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
if (!status)
instance->connected = 1;
else
- vchiq_log_error(vchiq_arm_log_level,
- "vchiq: could not connect: %d", status);
+ pr_err("vchiq: could not connect: %d", status);
break;
case VCHIQ_IOC_CREATE_SERVICE: {
@@ -700,11 +689,10 @@ 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(vchiq_susp_log_level,
- "%s: cmd %s returned error %ld for service %c%c%c%c:%03d",
- __func__, (cmd == VCHIQ_IOC_USE_SERVICE) ?
- "VCHIQ_IOC_USE_SERVICE" :
- "VCHIQ_IOC_RELEASE_SERVICE",
+ pr_err("vchiq:%s: cmd %s returned error %ld for service %c%c%c%c:%03d",
+ __func__, (cmd == VCHIQ_IOC_USE_SERVICE) ?
+ "VCHIQ_IOC_USE_SERVICE" :
+ "VCHIQ_IOC_RELEASE_SERVICE",
ret,
VCHIQ_FOURCC_AS_4CHARS(service->base.fourcc),
service->client_id);
@@ -869,15 +857,13 @@ vchiq_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
}
if (!status && (ret < 0) && (ret != -EINTR) && (ret != -EWOULDBLOCK))
- vchiq_log_info(vchiq_arm_log_level,
- " ioctl instance %pK, cmd %s -> status %d, %ld",
- instance, (_IOC_NR(cmd) <= VCHIQ_IOC_MAX) ?
- ioctl_names[_IOC_NR(cmd)] : "<invalid>", status, ret);
+ pr_info("vchiq: ioctl instance %pK, cmd %s -> status %d, %ld",
+ instance, (_IOC_NR(cmd) <= VCHIQ_IOC_MAX) ?
+ ioctl_names[_IOC_NR(cmd)] : "<invalid>", status, ret);
else
- vchiq_log_trace(vchiq_arm_log_level,
- " ioctl instance %pK, cmd %s -> status %d, %ld",
- instance, (_IOC_NR(cmd) <= VCHIQ_IOC_MAX) ?
- ioctl_names[_IOC_NR(cmd)] : "<invalid>", status, ret);
+ pr_debug("vchiq: ioctl instance %pK, cmd %s -> status %d, %ld",
+ instance, (_IOC_NR(cmd) <= VCHIQ_IOC_MAX) ?
+ ioctl_names[_IOC_NR(cmd)] : "<invalid>", status, ret);
return ret;
}
@@ -1170,11 +1156,10 @@ static int vchiq_open(struct inode *inode, struct file *file)
struct vchiq_state *state = vchiq_get_state();
struct vchiq_instance *instance;
- vchiq_log_info(vchiq_arm_log_level, "vchiq_open");
+ pr_info("vchiq: %s\n", __func__);
if (!state) {
- vchiq_log_error(vchiq_arm_log_level,
- "vchiq has no connection to VideoCore");
+ pr_err("vchiq: vchiq has no connection to VideoCore\n");
return -ENOTCONN;
}
@@ -1206,8 +1191,7 @@ static int vchiq_release(struct inode *inode, struct file *file)
int ret = 0;
int i;
- vchiq_log_info(vchiq_arm_log_level, "%s: instance=%lx", __func__,
- (unsigned long)instance);
+ pr_info("%s: instance=%lx", __func__, (unsigned long)instance);
if (!state) {
ret = -EPERM;
--
2.39.0
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