iwlwifi: implement apm stop function

This patch adds apm stop function for 4965 and 5000.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 10054bdf3e4c..27cfe3c9a58d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -100,6 +100,25 @@ static int iwl5000_apm_init(struct iwl_priv *priv)
         return ret;
 }
 
+/* FIXME: this is indentical to 4965 */
+static void iwl5000_apm_stop(struct iwl_priv *priv)
+{
+        unsigned long flags;
+
+        iwl4965_hw_nic_stop_master(priv);
+
+        spin_lock_irqsave(&priv->lock, flags);
+
+        iwl_set_bit(priv, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);
+
+        udelay(10);
+
+        iwl_set_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_INIT_DONE);
+
+        spin_unlock_irqrestore(&priv->lock, flags);
+}
+
+
 static int iwl5000_apm_reset(struct iwl_priv *priv)
 {
         int ret = 0;
@@ -859,6 +878,7 @@ static struct iwl_lib_ops iwl5000_lib = {
         .apm_ops = {
                 .init = iwl5000_apm_init,
                 .reset = iwl5000_apm_reset,
+                .stop = iwl5000_apm_stop,
                 .config = iwl5000_nic_config,
                 .set_pwr_src = iwl4965_set_pwr_src,
         },