diff options
Diffstat (limited to 'drivers/net/wireless/libertas/cmd.c')
| -rw-r--r-- | drivers/net/wireless/libertas/cmd.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c index 4a82f5114ca..49267ed7cea 100644 --- a/drivers/net/wireless/libertas/cmd.c +++ b/drivers/net/wireless/libertas/cmd.c @@ -4,6 +4,7 @@ */ #include <net/iw_handler.h> +#include <linux/kfifo.h> #include "host.h" #include "hostcmd.h" #include "decl.h" @@ -1829,15 +1830,20 @@ static void lbs_send_confirmsleep(struct lbs_private *priv) ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) &confirm_sleep, sizeof(confirm_sleep)); - if (ret) { lbs_pr_alert("confirm_sleep failed\n"); - } else { - spin_lock_irqsave(&priv->driver_lock, flags); - if (!priv->intcounter) - priv->psstate = PS_STATE_SLEEP; - spin_unlock_irqrestore(&priv->driver_lock, flags); + goto out; } + + spin_lock_irqsave(&priv->driver_lock, flags); + + /* If nothing to do, go back to sleep (?) */ + if (!__kfifo_len(priv->event_fifo) && !priv->resp_len[priv->resp_idx]) + priv->psstate = PS_STATE_SLEEP; + + spin_unlock_irqrestore(&priv->driver_lock, flags); + +out: lbs_deb_leave(LBS_DEB_HOST); } @@ -1899,13 +1905,16 @@ void lbs_ps_confirm_sleep(struct lbs_private *priv) } spin_lock_irqsave(&priv->driver_lock, flags); + /* In-progress command? */ if (priv->cur_cmd) { allowed = 0; lbs_deb_host("cur_cmd was set\n"); } - if (priv->intcounter > 0) { + + /* Pending events or command responses? */ + if (__kfifo_len(priv->event_fifo) || priv->resp_len[priv->resp_idx]) { allowed = 0; - lbs_deb_host("intcounter %d\n", priv->intcounter); + lbs_deb_host("pending events or command responses\n"); } spin_unlock_irqrestore(&priv->driver_lock, flags); |