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path: root/drivers/usb/dwc3/debugfs.c
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Diffstat (limited to 'drivers/usb/dwc3/debugfs.c')
-rw-r--r--drivers/usb/dwc3/debugfs.c43
1 files changed, 11 insertions, 32 deletions
diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c
index 2f07be1e1f31..df8e73ec3342 100644
--- a/drivers/usb/dwc3/debugfs.c
+++ b/drivers/usb/dwc3/debugfs.c
@@ -716,9 +716,6 @@ static void dwc3_debugfs_create_endpoint_dir(struct dwc3_ep *dep,
struct dentry *dir;
dir = debugfs_create_dir(dep->name, parent);
- if (IS_ERR_OR_NULL(dir))
- return;
-
dwc3_debugfs_create_endpoint_files(dep, dir);
}
@@ -740,49 +737,31 @@ static void dwc3_debugfs_create_endpoint_dirs(struct dwc3 *dwc,
void dwc3_debugfs_init(struct dwc3 *dwc)
{
struct dentry *root;
- struct dentry *file;
-
- root = debugfs_create_dir(dev_name(dwc->dev), NULL);
- if (IS_ERR_OR_NULL(root)) {
- if (!root)
- dev_err(dwc->dev, "Can't create debugfs root\n");
- return;
- }
- dwc->root = root;
dwc->regset = kzalloc(sizeof(*dwc->regset), GFP_KERNEL);
- if (!dwc->regset) {
- debugfs_remove_recursive(root);
+ if (!dwc->regset)
return;
- }
dwc->regset->regs = dwc3_regs;
dwc->regset->nregs = ARRAY_SIZE(dwc3_regs);
dwc->regset->base = dwc->regs - DWC3_GLOBALS_REGS_START;
- file = debugfs_create_regset32("regdump", S_IRUGO, root, dwc->regset);
- if (!file)
- dev_dbg(dwc->dev, "Can't create debugfs regdump\n");
+ root = debugfs_create_dir(dev_name(dwc->dev), NULL);
+ dwc->root = root;
+
+ debugfs_create_regset32("regdump", S_IRUGO, root, dwc->regset);
if (IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE)) {
- file = debugfs_create_file("mode", S_IRUGO | S_IWUSR, root,
- dwc, &dwc3_mode_fops);
- if (!file)
- dev_dbg(dwc->dev, "Can't create debugfs mode\n");
+ debugfs_create_file("mode", S_IRUGO | S_IWUSR, root, dwc,
+ &dwc3_mode_fops);
}
if (IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE) ||
IS_ENABLED(CONFIG_USB_DWC3_GADGET)) {
- file = debugfs_create_file("testmode", S_IRUGO | S_IWUSR, root,
- dwc, &dwc3_testmode_fops);
- if (!file)
- dev_dbg(dwc->dev, "Can't create debugfs testmode\n");
-
- file = debugfs_create_file("link_state", S_IRUGO | S_IWUSR,
- root, dwc, &dwc3_link_state_fops);
- if (!file)
- dev_dbg(dwc->dev, "Can't create debugfs link_state\n");
-
+ debugfs_create_file("testmode", S_IRUGO | S_IWUSR, root, dwc,
+ &dwc3_testmode_fops);
+ debugfs_create_file("link_state", S_IRUGO | S_IWUSR, root, dwc,
+ &dwc3_link_state_fops);
dwc3_debugfs_create_endpoint_dirs(dwc, root);
}
}