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wifi: ath12k: handle symlink cleanup for per pdev debugfs dentry

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Whenever per pdev debugfs directory is created, a symlink to it is also
placed in ieee80211/phy* directory. During clean up of per pdev debugfs,
this symlink also needs to be cleaned up.

Add changes to clean up the symlink whenever the per pdev debugfs is
removed.

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.0.1-00029-QCAHKSWPL_SILICONZ-1

Signed-off-by: Aditya Kumar Singh <quic_adisi@quicinc.com>
Acked-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://msgid.link/20240529043043.2488031-4-quic_adisi@quicinc.com
This commit is contained in:
Aditya Kumar Singh
2024-06-11 09:42:33 +03:00
committed by Kalle Valo
parent 4e1eff38d3
commit 5a16da9cfb
2 changed files with 7 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/wireless/ath/ath12k/core.h
View File

@@ -474,6 +474,7 @@ struct ath12k_fw_stats {
struct ath12k_debug {
struct dentry *debugfs_pdev;
struct dentry *debugfs_pdev_symlink;
};
struct ath12k_per_peer_tx_stats {

8
drivers/net/wireless/ath/ath12k/debugfs.c
View File

@@ -80,7 +80,9 @@ void ath12k_debugfs_register(struct ath12k *ar)
/* Create a symlink under ieee80211/phy* */
scnprintf(buf, sizeof(buf), "../../ath12k/%pd2", ar->debug.debugfs_pdev);
debugfs_create_symlink("ath12k", hw->wiphy->debugfsdir, buf);
ar->debug.debugfs_pdev_symlink = debugfs_create_symlink("ath12k",
hw->wiphy->debugfsdir,
buf);
if (ar->mac.sbands[NL80211_BAND_5GHZ].channels) {
debugfs_create_file("dfs_simulate_radar", 0200,
@@ -94,7 +96,9 @@ void ath12k_debugfs_unregister(struct ath12k *ar)
if (!ar->debug.debugfs_pdev)
return;
/* TODO: Remove symlink under ieee80211/phy* */
/* Remove symlink under ieee80211/phy* */
debugfs_remove(ar->debug.debugfs_pdev_symlink);
debugfs_remove_recursive(ar->debug.debugfs_pdev);
ar->debug.debugfs_pdev_symlink = NULL;
ar->debug.debugfs_pdev = NULL;
}