So that's it's possible to query chip id from ath10k anytime.
Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath10k/debug.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c
index fcb40cc..09f535a 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 */
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