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62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
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// SPDX-License-Identifier: BSD-3-Clause-Clear
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/*
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* Copyright (c) 2018-2021 The Linux Foundation. All rights reserved.
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* Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved.
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*/
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#include "core.h"
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#include "debugfs.h"
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void ath12k_debugfs_soc_create(struct ath12k_base *ab)
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{
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bool dput_needed;
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char soc_name[64] = { 0 };
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struct dentry *debugfs_ath12k;
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debugfs_ath12k = debugfs_lookup("ath12k", NULL);
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if (debugfs_ath12k) {
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/* a dentry from lookup() needs dput() after we don't use it */
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dput_needed = true;
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} else {
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debugfs_ath12k = debugfs_create_dir("ath12k", NULL);
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if (IS_ERR_OR_NULL(debugfs_ath12k))
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return;
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dput_needed = false;
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}
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scnprintf(soc_name, sizeof(soc_name), "%s-%s", ath12k_bus_str(ab->hif.bus),
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dev_name(ab->dev));
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ab->debugfs_soc = debugfs_create_dir(soc_name, debugfs_ath12k);
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if (dput_needed)
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dput(debugfs_ath12k);
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}
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void ath12k_debugfs_soc_destroy(struct ath12k_base *ab)
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{
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debugfs_remove_recursive(ab->debugfs_soc);
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ab->debugfs_soc = NULL;
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/* We are not removing ath12k directory on purpose, even if it
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* would be empty. This simplifies the directory handling and it's
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* a minor cosmetic issue to leave an empty ath12k directory to
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* debugfs.
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*/
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}
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void ath12k_debugfs_register(struct ath12k *ar)
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{
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struct ath12k_base *ab = ar->ab;
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struct ieee80211_hw *hw = ar->ah->hw;
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char pdev_name[5];
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char buf[100] = {0};
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scnprintf(pdev_name, sizeof(pdev_name), "%s%d", "mac", ar->pdev_idx);
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ar->debug.debugfs_pdev = debugfs_create_dir(pdev_name, ab->debugfs_soc);
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/* Create a symlink under ieee80211/phy* */
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scnprintf(buf, sizeof(buf), "../../ath12k/%pd2", ar->debug.debugfs_pdev);
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debugfs_create_symlink("ath12k", hw->wiphy->debugfsdir, buf);
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}
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