diff options
| author | Luciano Coelho <coelho@ti.com> | 2012-06-07 23:39:22 +0300 |
|---|---|---|
| committer | Luciano Coelho <coelho@ti.com> | 2012-06-08 09:14:07 +0300 |
| commit | f74ea74b82cf6b6aeef1e46d68fbbb02d2bce8b7 (patch) | |
| tree | c0117cf3704b0ff16d1f853c273efb31af73c021 /drivers/net/wireless/ti/wl18xx/debugfs.c | |
| parent | 3e8d69352bd9ac7287ab735d45582d79c1f9f2d9 (diff) | |
wl18xx: add support to clear FW statistics
This patch calls ACX_CLEAR_STATISTICS to clear the firmware
statistics. The trigger is a new debugfs file called
clear_fw_statistics in the fw_stats directory.
Signed-off-by: Luciano Coelho <coelho@ti.com>
Diffstat (limited to 'drivers/net/wireless/ti/wl18xx/debugfs.c')
| -rw-r--r-- | drivers/net/wireless/ti/wl18xx/debugfs.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/net/wireless/ti/wl18xx/debugfs.c b/drivers/net/wireless/ti/wl18xx/debugfs.c index 93c625b23a2..468651c2f54 100644 --- a/drivers/net/wireless/ti/wl18xx/debugfs.c +++ b/drivers/net/wireless/ti/wl18xx/debugfs.c @@ -158,6 +158,34 @@ WL18XX_DEBUGFS_FWSTATS_FILE(mem, tx_free_mem_blks, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(mem, fwlog_free_mem_blks, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(mem, fw_gen_free_mem_blks, "%u"); +static ssize_t clear_fw_stats_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct wl1271 *wl = file->private_data; + int ret; + + mutex_lock(&wl->mutex); + + if (wl->state == WL1271_STATE_OFF) + goto out; + + ret = wl18xx_acx_clear_statistics(wl); + if (ret < 0) { + count = ret; + goto out; + } +out: + mutex_unlock(&wl->mutex); + return count; +} + +static const struct file_operations clear_fw_stats_ops = { + .write = clear_fw_stats_write, + .open = simple_open, + .llseek = default_llseek, +}; + int wl18xx_debugfs_add_files(struct wl1271 *wl, struct dentry *rootdir) { @@ -176,6 +204,8 @@ int wl18xx_debugfs_add_files(struct wl1271 *wl, goto err; } + DEBUGFS_ADD(clear_fw_stats, stats); + DEBUGFS_FWSTATS_ADD(debug, debug1); DEBUGFS_FWSTATS_ADD(debug, debug2); DEBUGFS_FWSTATS_ADD(debug, debug3); |