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ath10k: add chip_id file to debugfs

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So that's it's possible to query chip id from ath10k anytime.

Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Kalle Valo
2013-09-01 11:22:21 +03:00
parent e01ae68c5d
commit 763b8cd314
1 changed files with 22 additions and 0 deletions
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22
drivers/net/wireless/ath/ath10k/debug.c
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@@ -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 */