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authorCheng Lingfei <chenglingfei@foxmail.com>2026-08-24 20:45:46 +0800
committerTejun Heo <tj@kernel.org>2026-08-24 06:55:59 -1000
commit909a3f0e9d8b0d8001cf6e99808f88eca8e44328 (patch)
treebe05d18bd5619b55ff3b30f28a292907021768ee /drivers/usb/dwc2/debug.h
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docs: cgroup-v2: fix misc.events key format descriptiongrafted
In misc cgroup, misc.events does not output a simple "max" key. Instead, each registered misc resource outputs a separate key suffixed with ".max" (i.e., "<res>.max"). Update the documentation to clarify that the entry key is "<res>.max". Suggested-by: Michal Koutný <mkoutny@suse.com> Signed-off-by: Cheng Lingfei <chenglingfei@foxmail.com> Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/usb/dwc2/debug.h')
-rw-r--r--drivers/usb/dwc2/debug.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/usb/dwc2/debug.h b/drivers/usb/dwc2/debug.h
new file mode 100644
index 000000000..47252c56d
--- /dev/null
+++ b/drivers/usb/dwc2/debug.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * debug.h - Designware USB2 DRD controller debug header
+ *
+ * Copyright (C) 2015 Intel Corporation
+ * Mian Yousaf Kaukab <yousaf.kaukab@intel.com>
+ */
+
+#include "core.h"
+
+#ifdef CONFIG_DEBUG_FS
+int dwc2_debugfs_init(struct dwc2_hsotg *hsotg);
+void dwc2_debugfs_exit(struct dwc2_hsotg *hsotg);
+#else
+static inline int dwc2_debugfs_init(struct dwc2_hsotg *hsotg)
+{ return 0; }
+static inline void dwc2_debugfs_exit(struct dwc2_hsotg *hsotg)
+{ }
+#endif