staging: most: cdev: remove noisy log messages

This patch removes unnecessary log messages to avoid
noise in the kernel log.

Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Link: https://lore.kernel.org/r/1592815695-19305-2-git-send-email-christian.gromm@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/most/cdev/cdev.c b/drivers/staging/most/cdev/cdev.c
index cc1e3dea196d4fa385b40fa3e007f44e6fba1ec2..093b44d095a9a4ae3eb446ebe1ec0b18796b15ae 100644 (file)
--- a/drivers/staging/most/cdev/cdev.c
+++ b/drivers/staging/most/cdev/cdev.c
@@ -129,19 +129,16 @@ static int comp_open(struct inode *inode, struct file *filp)
             ((filp->f_flags & O_ACCMODE) != O_RDONLY)) ||
             ((c->cfg->direction == MOST_CH_TX) &&
                ((filp->f_flags & O_ACCMODE) != O_WRONLY))) {
-               pr_info("WARN: Access flags mismatch\n");
                return -EACCES;
        }
 
        mutex_lock(&c->io_mutex);
        if (!c->dev) {
-               pr_info("WARN: Device is destroyed\n");
                mutex_unlock(&c->io_mutex);
                return -ENODEV;
        }
 
        if (c->access_ref) {
-               pr_info("WARN: Device is busy\n");
                mutex_unlock(&c->io_mutex);
                return -EBUSY;
        }
@@ -328,10 +325,8 @@ static int comp_disconnect_channel(struct most_interface *iface, int channel_id)
 {
        struct comp_channel *c;
 
-       if (!iface) {
-               pr_info("Bad interface pointer\n");
+       if (!iface)
                return -EINVAL;
-       }
 
        c = get_channel(iface, channel_id);
        if (!c)
@@ -397,10 +392,9 @@ static int comp_tx_completion(struct most_interface *iface, int channel_id)
 {
        struct comp_channel *c;
 
-       if (!iface) {
-               pr_info("Bad interface pointer\n");
+       if (!iface)
                return -EINVAL;
-       }
+
        if ((channel_id < 0) || (channel_id >= iface->num_channels)) {
                pr_info("Channel ID out of range\n");
                return -EINVAL;
@@ -432,10 +426,9 @@ static int comp_probe(struct most_interface *iface, int channel_id,
        int retval;
        int current_minor;
 
-       if ((!iface) || (!cfg) || (!name)) {
-               pr_info("Probing component with bad arguments");
+       if ((!iface) || (!cfg) || (!name))
                return -EINVAL;
-       }
+
        c = get_channel(iface, channel_id);
        if (c)
                return -EEXIST;
@@ -474,7 +467,6 @@ static int comp_probe(struct most_interface *iface, int channel_id,
 
        if (IS_ERR(c->dev)) {
                retval = PTR_ERR(c->dev);
-               pr_info("failed to create new device node %s\n", name);
                goto err_free_kfifo_and_del_list;
        }
        kobject_uevent(&c->dev->kobj, KOBJ_ADD);
@@ -507,13 +499,9 @@ static int __init mod_init(void)
 {
        int err;
 
-       pr_info("init()\n");
-
        comp.class = class_create(THIS_MODULE, "most_cdev");
-       if (IS_ERR(comp.class)) {
-               pr_info("No udev support.\n");
+       if (IS_ERR(comp.class))
                return PTR_ERR(comp.class);
-       }
 
        INIT_LIST_HEAD(&channel_list);
        spin_lock_init(&ch_list_lock);
@@ -545,8 +533,6 @@ static void __exit mod_exit(void)
 {
        struct comp_channel *c, *tmp;
 
-       pr_info("exit module\n");
-
        most_deregister_configfs_subsys(&comp.cc);
        most_deregister_component(&comp.cc);