From: Ben Greear <[email protected]> Using debugfs. More convenient than module options in some cases.
Signed-off-by: Ben Greear <[email protected]> --- drivers/net/wireless/ath/ath10k/debug.c | 62 +++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index e251155..d552a4a 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -870,6 +870,65 @@ static const struct file_operations fops_reg_addr = { .llseek = default_llseek, }; +static ssize_t ath10k_read_debug_level(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + int sz; + const char buf[] = + "To change debug level, set value adding up desired flags:\n" + "PCI: 0x1\n" + "WMI: 0x2\n" + "HTC: 0x4\n" + "HTT: 0x8\n" + "MAC: 0x10\n" + "BOOT: 0x20\n" + "PCI-DUMP: 0x40\n" + "HTT-DUMP: 0x80\n" + "MGMT: 0x100\n" + "DATA: 0x200\n" + "BMI: 0x400\n" + "REGULATORY: 0x800\n" + "TESTMODE: 0x1000\n" + "INFO-AS-DBG: 0x40000000\n" + "FW: 0x80000000\n" + "ALL: 0xFFFFFFFF\n"; + char wbuf[sizeof(buf) + 60]; + sz = snprintf(wbuf, sizeof(wbuf), "Current debug level: 0x%x\n\n%s", + ath10k_debug_mask, buf); + wbuf[sizeof(wbuf) - 1] = 0; + + return simple_read_from_buffer(user_buf, count, ppos, wbuf, sz); +} + +/* Set logging level. + */ +static ssize_t ath10k_write_debug_level(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath10k *ar = file->private_data; + int ret; + unsigned long mask; + + ret = kstrtoul_from_user(user_buf, count, 0, &mask); + if (ret) + return ret; + + ath10k_warn(ar, "Setting debug-mask to: 0x%lx old: 0x%x\n", + mask, ath10k_debug_mask); + ath10k_debug_mask = mask; + return count; +} + +static const struct file_operations fops_debug_level = { + .read = ath10k_read_debug_level, + .write = ath10k_write_debug_level, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + static ssize_t ath10k_reg_value_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) @@ -2375,6 +2434,9 @@ int ath10k_debug_register(struct ath10k *ar) debugfs_create_file("mem_value", S_IRUSR | S_IWUSR, ar->debug.debugfs_phy, ar, &fops_mem_value); + debugfs_create_file("debug_level", S_IRUSR, ar->debug.debugfs_phy, + ar, &fops_debug_level); + debugfs_create_file("chip_id", S_IRUSR, ar->debug.debugfs_phy, ar, &fops_chip_id); -- 2.4.3 _______________________________________________ ath10k mailing list [email protected] http://lists.infradead.org/mailman/listinfo/ath10k
