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