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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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5b18ffb2d7
Some time ago the function debugfs_create_devm_seqfile() was introduced in debugfs. The caller simply needs to provide a device pointer and read function. The function brcmf_debugfs_add_entry() is now simply a wrapper only doing the work for CONFIG_BRCMDBG. Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com> Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
76 lines
2.0 KiB
C
76 lines
2.0 KiB
C
/*
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* Copyright (c) 2012 Broadcom Corporation
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <linux/debugfs.h>
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#include <linux/netdevice.h>
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#include <linux/module.h>
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#include <brcmu_wifi.h>
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#include <brcmu_utils.h>
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#include "core.h"
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#include "bus.h"
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#include "debug.h"
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static struct dentry *root_folder;
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void brcmf_debugfs_init(void)
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{
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root_folder = debugfs_create_dir(KBUILD_MODNAME, NULL);
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if (IS_ERR(root_folder))
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root_folder = NULL;
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}
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void brcmf_debugfs_exit(void)
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{
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if (!root_folder)
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return;
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debugfs_remove_recursive(root_folder);
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root_folder = NULL;
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}
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int brcmf_debugfs_attach(struct brcmf_pub *drvr)
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{
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struct device *dev = drvr->bus_if->dev;
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if (!root_folder)
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return -ENODEV;
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drvr->dbgfs_dir = debugfs_create_dir(dev_name(dev), root_folder);
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return PTR_ERR_OR_ZERO(drvr->dbgfs_dir);
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}
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void brcmf_debugfs_detach(struct brcmf_pub *drvr)
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{
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if (!IS_ERR_OR_NULL(drvr->dbgfs_dir))
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debugfs_remove_recursive(drvr->dbgfs_dir);
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}
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struct dentry *brcmf_debugfs_get_devdir(struct brcmf_pub *drvr)
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{
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return drvr->dbgfs_dir;
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}
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int brcmf_debugfs_add_entry(struct brcmf_pub *drvr, const char *fn,
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int (*read_fn)(struct seq_file *seq, void *data))
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{
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struct dentry *e;
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e = debugfs_create_devm_seqfile(drvr->bus_if->dev, fn,
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drvr->dbgfs_dir, read_fn);
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return PTR_ERR_OR_ZERO(e);
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}
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