diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-25 20:14:19 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-27 10:34:34 +0300 |
| commit | 8f6c7c5a11ec599be524190122a56dbb730069a3 (patch) | |
| tree | e9f1a8684fd07279d7d5a058229e745f5880d642 /drivers/usb/chipidea/debug.c | |
| parent | ab00a41e73dc06b5a140af8c796d1bf03f6ec4ca (diff) | |
| download | linux-8f6c7c5a11ec599be524190122a56dbb730069a3.tar.xz | |
USB: chipidea: remove dentry storage for debugfs file
There is no need to store the dentry pointer for a debugfs file that we
only use to remove it when the device goes away. debugfs can do the
lookup for us instead, saving us some trouble, and making things smaller
overall.
Cc: Peter Chen <peter.chen@kernel.org>
Link: https://lore.kernel.org/r/20210525171419.758146-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/chipidea/debug.c')
| -rw-r--r-- | drivers/usb/chipidea/debug.c | 34 |
1 files changed, 14 insertions, 20 deletions
diff --git a/drivers/usb/chipidea/debug.c b/drivers/usb/chipidea/debug.c index da5d18cf6840..faf6b078b6c4 100644 --- a/drivers/usb/chipidea/debug.c +++ b/drivers/usb/chipidea/debug.c @@ -342,26 +342,20 @@ DEFINE_SHOW_ATTRIBUTE(ci_registers); */ void dbg_create_files(struct ci_hdrc *ci) { - ci->debugfs = debugfs_create_dir(dev_name(ci->dev), usb_debug_root); - - debugfs_create_file("device", S_IRUGO, ci->debugfs, ci, - &ci_device_fops); - debugfs_create_file("port_test", S_IRUGO | S_IWUSR, ci->debugfs, ci, - &ci_port_test_fops); - debugfs_create_file("qheads", S_IRUGO, ci->debugfs, ci, - &ci_qheads_fops); - debugfs_create_file("requests", S_IRUGO, ci->debugfs, ci, - &ci_requests_fops); - - if (ci_otg_is_fsm_mode(ci)) { - debugfs_create_file("otg", S_IRUGO, ci->debugfs, ci, - &ci_otg_fops); - } + struct dentry *dir; + + dir = debugfs_create_dir(dev_name(ci->dev), usb_debug_root); + + debugfs_create_file("device", S_IRUGO, dir, ci, &ci_device_fops); + debugfs_create_file("port_test", S_IRUGO | S_IWUSR, dir, ci, &ci_port_test_fops); + debugfs_create_file("qheads", S_IRUGO, dir, ci, &ci_qheads_fops); + debugfs_create_file("requests", S_IRUGO, dir, ci, &ci_requests_fops); + + if (ci_otg_is_fsm_mode(ci)) + debugfs_create_file("otg", S_IRUGO, dir, ci, &ci_otg_fops); - debugfs_create_file("role", S_IRUGO | S_IWUSR, ci->debugfs, ci, - &ci_role_fops); - debugfs_create_file("registers", S_IRUGO, ci->debugfs, ci, - &ci_registers_fops); + debugfs_create_file("role", S_IRUGO | S_IWUSR, dir, ci, &ci_role_fops); + debugfs_create_file("registers", S_IRUGO, dir, ci, &ci_registers_fops); } /** @@ -370,5 +364,5 @@ void dbg_create_files(struct ci_hdrc *ci) */ void dbg_remove_files(struct ci_hdrc *ci) { - debugfs_remove_recursive(ci->debugfs); + debugfs_remove(debugfs_lookup(dev_name(ci->dev), usb_debug_root)); } |