forked from luck/tmp_suning_uos_patched
83374e035b
This patch implements a few initial tracepoints for the mtu3 driver. More traces can be added as necessary in order to ease the task of debugging. Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* mtu3_debug.h - debug header
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*
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* Copyright (C) 2019 MediaTek Inc.
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*
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* Author: Chunfeng Yun <chunfeng.yun@mediatek.com>
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*/
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#ifndef __MTU3_DEBUG_H__
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#define __MTU3_DEBUG_H__
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#include <linux/debugfs.h>
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#define MTU3_DEBUGFS_NAME_LEN 32
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struct mtu3_regset {
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char name[MTU3_DEBUGFS_NAME_LEN];
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struct debugfs_regset32 regset;
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size_t nregs;
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};
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struct mtu3_file_map {
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const char *name;
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int (*show)(struct seq_file *s, void *unused);
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};
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#if IS_ENABLED(CONFIG_DEBUG_FS)
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void ssusb_dev_debugfs_init(struct ssusb_mtk *ssusb);
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void ssusb_dr_debugfs_init(struct ssusb_mtk *ssusb);
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void ssusb_debugfs_create_root(struct ssusb_mtk *ssusb);
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void ssusb_debugfs_remove_root(struct ssusb_mtk *ssusb);
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#else
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static inline void ssusb_dev_debugfs_init(struct ssusb_mtk *ssusb) {}
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static inline void ssusb_dr_debugfs_init(struct ssusb_mtk *ssusb) {}
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static inline void ssusb_debugfs_create_root(struct ssusb_mtk *ssusb) {}
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static inline void ssusb_debugfs_remove_root(struct ssusb_mtk *ssusb) {}
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#endif /* CONFIG_DEBUG_FS */
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#if IS_ENABLED(CONFIG_TRACING)
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void mtu3_dbg_trace(struct device *dev, const char *fmt, ...);
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#else
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static inline void mtu3_dbg_trace(struct device *dev, const char *fmt, ...) {}
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#endif /* CONFIG_TRACING */
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#endif /* __MTU3_DEBUG_H__ */
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