ath11k: Cleanup in pdev destroy and mac register during crash on recovery

Debugfs pdev entries should be cleaned up during the crash
on recovery. If not, mac register will fail for the reason
that it is already registered during core reconfigure.

Signed-off-by: Maharaja Kennadyrajan <mkenna@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1586538405-16226-1-git-send-email-mkenna@codeaurora.org

diff --git a/drivers/net/wireless/ath/ath11k/debug.c b/drivers/net/wireless/ath/ath11k/debug.c
index 8d48517..825e7ba 100644 (file)
--- a/drivers/net/wireless/ath/ath11k/debug.c
+++ b/drivers/net/wireless/ath/ath11k/debug.c
@@ -803,6 +803,9 @@ static const struct file_operations fops_soc_rx_stats = {
 
 int ath11k_debug_pdev_create(struct ath11k_base *ab)
 {
+       if (test_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags))
+               return 0;
+
        ab->debugfs_soc = debugfs_create_dir(ab->hw_params.name, ab->debugfs_ath11k);
 
        if (IS_ERR_OR_NULL(ab->debugfs_soc)) {

diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c
index 9f8bc19..4783394 100644 (file)
--- a/drivers/net/wireless/ath/ath11k/mac.c
+++ b/drivers/net/wireless/ath/ath11k/mac.c
@@ -5891,6 +5891,9 @@ int ath11k_mac_register(struct ath11k_base *ab)
        int i;
        int ret;
 
+       if (test_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags))
+               return 0;
+
        for (i = 0; i < ab->num_radios; i++) {
                pdev = &ab->pdevs[i];
                ar = pdev->ar;