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author | John W. Linville | 2014-01-17 20:43:17 +0100 |
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committer | John W. Linville | 2014-01-17 20:43:17 +0100 |
commit | 7916a075571f0ccd0830cf3da293188a8b6045e3 (patch) | |
tree | 119c5bb9e513c8205efed485c2dc7b8271123326 /drivers/net/wireless/ath/ath10k/debug.c | |
parent | Merge branch 'virtio_rx_merging' (diff) | |
parent | carl9170: use ath_is_mybeacon (diff) | |
download | kernel-qcow2-linux-7916a075571f0ccd0830cf3da293188a8b6045e3.tar.gz kernel-qcow2-linux-7916a075571f0ccd0830cf3da293188a8b6045e3.tar.xz kernel-qcow2-linux-7916a075571f0ccd0830cf3da293188a8b6045e3.zip |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next into for-davem
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/debug.c')
-rw-r--r-- | drivers/net/wireless/ath/ath10k/debug.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index 6bdfad3144af..6debd281350a 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -614,6 +614,61 @@ static const struct file_operations fops_htt_stats_mask = { .llseek = default_llseek, }; +static ssize_t ath10k_read_fw_dbglog(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath10k *ar = file->private_data; + unsigned int len; + char buf[32]; + + len = scnprintf(buf, sizeof(buf), "0x%08x\n", + ar->debug.fw_dbglog_mask); + + return simple_read_from_buffer(user_buf, count, ppos, buf, len); +} + +static ssize_t ath10k_write_fw_dbglog(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath10k *ar = file->private_data; + unsigned long mask; + int ret; + + ret = kstrtoul_from_user(user_buf, count, 0, &mask); + if (ret) + return ret; + + mutex_lock(&ar->conf_mutex); + + ar->debug.fw_dbglog_mask = mask; + + if (ar->state == ATH10K_STATE_ON) { + ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask); + if (ret) { + ath10k_warn("dbglog cfg failed from debugfs: %d\n", + ret); + goto exit; + } + } + + ret = count; + +exit: + mutex_unlock(&ar->conf_mutex); + + return ret; +} + +static const struct file_operations fops_fw_dbglog = { + .read = ath10k_read_fw_dbglog, + .write = ath10k_write_fw_dbglog, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + int ath10k_debug_start(struct ath10k *ar) { int ret; @@ -625,6 +680,14 @@ int ath10k_debug_start(struct ath10k *ar) /* continue normally anyway, this isn't serious */ ath10k_warn("failed to start htt stats workqueue: %d\n", ret); + if (ar->debug.fw_dbglog_mask) { + ret = ath10k_wmi_dbglog_cfg(ar, ar->debug.fw_dbglog_mask); + if (ret) + /* not serious */ + ath10k_warn("failed to enable dbglog during start: %d", + ret); + } + return 0; } @@ -747,6 +810,9 @@ int ath10k_debug_create(struct ath10k *ar) debugfs_create_file("htt_stats_mask", S_IRUSR, ar->debug.debugfs_phy, ar, &fops_htt_stats_mask); + debugfs_create_file("fw_dbglog", S_IRUSR, ar->debug.debugfs_phy, + ar, &fops_fw_dbglog); + if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) { debugfs_create_file("dfs_simulate_radar", S_IWUSR, ar->debug.debugfs_phy, ar, |