diff options
| author | Kalle Valo <kvalo@qca.qualcomm.com> | 2013-09-01 11:22:21 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2013-09-03 09:59:53 +0300 |
| commit | 763b8cd31493f452094fd0eaeedb8cad37c756a2 (patch) | |
| tree | d01deec1bc49b76ea51bfc870e075f77cd68d6bd | |
| parent | e01ae68c5d8889588db6b7fcf3e3d7821a3365fb (diff) | |
ath10k: add chip_id file to debugfs
So that's it's possible to query chip id from ath10k anytime.
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/debug.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index fcb40ccdb33..09f535a1c76 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -498,6 +498,25 @@ static const struct file_operations fops_simulate_fw_crash = { .llseek = default_llseek, }; +static ssize_t ath10k_read_chip_id(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath10k *ar = file->private_data; + unsigned int len; + char buf[50]; + + len = scnprintf(buf, sizeof(buf), "0x%08x\n", ar->chip_id); + + return simple_read_from_buffer(user_buf, count, ppos, buf, len); +} + +static const struct file_operations fops_chip_id = { + .read = ath10k_read_chip_id, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + int ath10k_debug_create(struct ath10k *ar) { ar->debug.debugfs_phy = debugfs_create_dir("ath10k", @@ -517,6 +536,9 @@ int ath10k_debug_create(struct ath10k *ar) debugfs_create_file("simulate_fw_crash", S_IRUSR, ar->debug.debugfs_phy, ar, &fops_simulate_fw_crash); + debugfs_create_file("chip_id", S_IRUSR, ar->debug.debugfs_phy, + ar, &fops_chip_id); + return 0; } #endif /* CONFIG_ATH10K_DEBUGFS */ |