mirror of https://gitee.com/openkylin/linux.git
56 lines
1.3 KiB
C
56 lines
1.3 KiB
C
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/*
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* skl-debug.c - Debugfs for skl driver
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*
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* Copyright (C) 2016-17 Intel Corp
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*/
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#include <linux/pci.h>
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#include <linux/debugfs.h>
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#include "skl.h"
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struct skl_debug {
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struct skl *skl;
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struct device *dev;
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struct dentry *fs;
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};
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struct skl_debug *skl_debugfs_init(struct skl *skl)
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{
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struct skl_debug *d;
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d = devm_kzalloc(&skl->pci->dev, sizeof(*d), GFP_KERNEL);
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if (!d)
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return NULL;
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/* create the debugfs dir with platform component's debugfs as parent */
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d->fs = debugfs_create_dir("dsp",
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skl->platform->component.debugfs_root);
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if (IS_ERR(d->fs) || !d->fs) {
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dev_err(&skl->pci->dev, "debugfs root creation failed\n");
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return NULL;
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}
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d->skl = skl;
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d->dev = &skl->pci->dev;
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return d;
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}
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void skl_debugfs_exit(struct skl_debug *d)
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{
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debugfs_remove_recursive(d->fs);
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kfree(d);
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}
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