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staging: gasket: core: convert various logs to debug level 

Debugging information is improperly logged at non-debug log level in a
number of places, and some logs regarding error conditions may be
generated too frequently, such that these could cause performance
problems and/or obscure other logs.  Convert these to debug log level.

Signed-off-by: Zhongze Hu <frankhu@chromium.org>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
hifive-unleashed-5.1
Todd Poynor 2018-07-21 06:35:02 -07:00 committed by Greg Kroah-Hartman
parent b0e66fb7ba
commit 6b18580bad
1 changed files with 20 additions and 18 deletions
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38
drivers/staging/gasket/gasket_core.c
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@ -205,7 +205,8 @@ static inline int check_and_invoke_callback(
{
int ret = 0;
gasket_nodev_error("check_and_invoke_callback %p", cb_function);
gasket_log_debug(gasket_dev, "check_and_invoke_callback %p",
cb_function);
if (cb_function) {
mutex_lock(&gasket_dev->mutex);
ret = cb_function(gasket_dev);
@ -227,7 +228,7 @@ static inline int gasket_check_and_invoke_callback_nolock(
int ret = 0;
if (cb_function) {
gasket_log_info(
gasket_log_debug(
gasket_dev, "Invoking device-specific callback.");
ret = cb_function(gasket_dev);
}
@ -1177,7 +1178,7 @@ static int gasket_release(struct inode *inode, struct file *file)
if (file->f_mode & FMODE_WRITE) {
ownership->write_open_count--;
if (ownership->write_open_count == 0) {
gasket_log_info(gasket_dev, "Device is now free");
gasket_log_debug(gasket_dev, "Device is now free");
ownership->is_owned = 0;
ownership->owner = 0;
@ -1198,7 +1199,7 @@ static int gasket_release(struct inode *inode, struct file *file)
}
}
gasket_log_info(
gasket_log_debug(
gasket_dev, "New open count (owning tgid %u): %d",
ownership->owner, ownership->write_open_count);
mutex_unlock(&gasket_dev->mutex);
@ -1225,7 +1226,7 @@ static bool gasket_mmap_has_permissions(
/* Never allow non-sysadmins to access to a dead device. */
if (gasket_dev->status != GASKET_STATUS_ALIVE) {
gasket_log_info(gasket_dev, "Device is dead.");
gasket_log_debug(gasket_dev, "Device is dead.");
return false;
}
@ -1233,7 +1234,7 @@ static bool gasket_mmap_has_permissions(
requested_permissions =
(vma->vm_flags & (VM_WRITE | VM_READ | VM_EXEC));
if (requested_permissions & ~(bar_permissions)) {
gasket_log_info(
gasket_log_debug(
gasket_dev,
"Attempting to map a region with requested permissions "
"0x%x, but region has permissions 0x%x.",
@ -1244,7 +1245,7 @@ static bool gasket_mmap_has_permissions(
/* Do not allow a non-owner to write. */
if ((vma->vm_flags & VM_WRITE) &&
!gasket_owned_by_current_tgid(&gasket_dev->dev_info)) {
gasket_log_info(
gasket_log_debug(
gasket_dev,
"Attempting to mmap a region for write without owning "
"device.");
@ -1736,15 +1737,16 @@ static int gasket_get_hw_status(struct gasket_dev *gasket_dev)
status = gasket_check_and_invoke_callback_nolock(
gasket_dev, driver_desc->device_status_cb);
if (status != GASKET_STATUS_ALIVE) {
gasket_log_info(gasket_dev, "Hardware reported status %d.",
status);
gasket_log_debug(gasket_dev, "Hardware reported status %d.",
status);
return status;
}
status = gasket_interrupt_system_status(gasket_dev);
if (status != GASKET_STATUS_ALIVE) {
gasket_log_info(gasket_dev,
"Interrupt system reported status %d.", status);
gasket_log_debug(gasket_dev,
"Interrupt system reported status %d.",
status);
return status;
}
@ -1752,7 +1754,7 @@ static int gasket_get_hw_status(struct gasket_dev *gasket_dev)
status = gasket_page_table_system_status(
gasket_dev->page_table[i]);
if (status != GASKET_STATUS_ALIVE) {
gasket_log_info(
gasket_log_debug(
gasket_dev, "Page table %d reported status %d.",
i, status);
return status;
@ -1783,7 +1785,7 @@ static long gasket_ioctl(struct file *filp, uint cmd, ulong arg)
gasket_dev = (struct gasket_dev *)filp->private_data;
driver_desc = gasket_dev->internal_desc->driver_desc;
if (!driver_desc) {
gasket_log_error(
gasket_log_debug(
gasket_dev,
"Unable to find device descriptor for file %s",
d_path(&filp->f_path, path, 256));
@ -1831,7 +1833,7 @@ int gasket_reset_nolock(struct gasket_dev *gasket_dev, uint reset_type)
/* Perform a device reset of the requested type. */
ret = driver_desc->device_reset_cb(gasket_dev, reset_type);
if (ret) {
gasket_log_error(
gasket_log_debug(
gasket_dev, "Device reset cb returned %d.", ret);
return ret;
}
@ -1842,7 +1844,7 @@ int gasket_reset_nolock(struct gasket_dev *gasket_dev, uint reset_type)
ret = gasket_interrupt_reinit(gasket_dev);
if (ret) {
gasket_log_error(
gasket_log_debug(
gasket_dev, "Unable to reinit interrupts: %d.", ret);
return ret;
}
@ -1850,7 +1852,7 @@ int gasket_reset_nolock(struct gasket_dev *gasket_dev, uint reset_type)
/* Get current device health. */
gasket_dev->status = gasket_get_hw_status(gasket_dev);
if (gasket_dev->status == GASKET_STATUS_DEAD) {
gasket_log_error(gasket_dev, "Device reported as dead.");
gasket_log_debug(gasket_dev, "Device reported as dead.");
return -EINVAL;
}
@ -2002,7 +2004,7 @@ static ssize_t gasket_sysfs_data_show(
}
break;
default:
gasket_log_error(
gasket_log_debug(
gasket_dev, "Unknown attribute: %s", attr->attr.name);
ret = 0;
break;
@ -2056,7 +2058,7 @@ int gasket_wait_with_reschedule(
msleep(delay_ms);
retries++;
}
gasket_log_error(gasket_dev, "%s timeout: reg %llx timeout (%llu ms)",
gasket_log_debug(gasket_dev, "%s timeout: reg %llx timeout (%llu ms)",
__func__, offset, max_retries * delay_ms);
return -ETIMEDOUT;
}