From f95f9aad150238236b2338efa60a14891081026e Mon Sep 17 00:00:00 2001 From: Eyal Shapira Date: Thu, 2 Feb 2012 13:54:29 +0200 Subject: [PATCH] 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: Eyal Shapira Signed-off-by: Eliad Peller Signed-off-by: Luciano Coelho --- drivers/net/wireless/wl12xx/debugfs.c | 43 +++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/drivers/net/wireless/wl12xx/debugfs.c b/drivers/net/wireless/wl12xx/debugfs.c index f063c704ebcf..00dbe1595a7f 100644 --- a/drivers/net/wireless/wl12xx/debugfs.c +++ b/drivers/net/wireless/wl12xx/debugfs.c @@ -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)) -- 2.11.0