Commit f95f9aad authored by Eyal Shapira's avatar Eyal Shapira Committed by Luciano Coelho
Browse files

wl12xx: add split_scan_timeout debugfs file



Add control over split_scan_timeout through
debugfs. Values are in ms while 0 will disable split scan.

Signed-off-by: default avatarEyal Shapira <eyal@wizey.com>
Signed-off-by: default avatarEliad Peller <eliad@wizery.com>
Signed-off-by: default avatarLuciano Coelho <coelho@ti.com>
parent d647f2dd
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+43 −0
Original line number Diff line number Diff line
@@ -445,6 +445,48 @@ static const struct file_operations forced_ps_ops = {
	.llseek = default_llseek,
};

static ssize_t split_scan_timeout_read(struct file *file, char __user *user_buf,
			  size_t count, loff_t *ppos)
{
	struct wl1271 *wl = file->private_data;

	return wl1271_format_buffer(user_buf, count,
				    ppos, "%d\n",
				    wl->conf.scan.split_scan_timeout / 1000);
}

static ssize_t split_scan_timeout_write(struct file *file,
				    const char __user *user_buf,
				    size_t count, loff_t *ppos)
{
	struct wl1271 *wl = file->private_data;
	unsigned long value;
	int ret;

	ret = kstrtoul_from_user(user_buf, count, 10, &value);
	if (ret < 0) {
		wl1271_warning("illegal value in split_scan_timeout");
		return -EINVAL;
	}

	if (value == 0)
		wl1271_info("split scan will be disabled");

	mutex_lock(&wl->mutex);

	wl->conf.scan.split_scan_timeout = value * 1000;

	mutex_unlock(&wl->mutex);
	return count;
}

static const struct file_operations split_scan_timeout_ops = {
	.read = split_scan_timeout_read,
	.write = split_scan_timeout_write,
	.open = wl1271_open_file_generic,
	.llseek = default_llseek,
};

static ssize_t driver_state_read(struct file *file, char __user *user_buf,
				 size_t count, loff_t *ppos)
{
@@ -1082,6 +1124,7 @@ static int wl1271_debugfs_add_files(struct wl1271 *wl,
	DEBUGFS_ADD(beacon_filtering, rootdir);
	DEBUGFS_ADD(dynamic_ps_timeout, rootdir);
	DEBUGFS_ADD(forced_ps, rootdir);
	DEBUGFS_ADD(split_scan_timeout, rootdir);

	streaming = debugfs_create_dir("rx_streaming", rootdir);
	if (!streaming || IS_ERR(streaming))