iwlwifi: remove apm_ops.stop

Since all devices share the same operation here,
there's no need to call it indirectly.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index c06b218..980c609 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -2637,7 +2637,7 @@
 	udelay(5);
 
 	/* Stop the device, and put it in low power state */
-	priv->cfg->ops->lib->apm_ops.stop(priv);
+	iwl_apm_stop(priv);
 
  exit:
 	memset(&priv->card_alive, 0, sizeof(struct iwl_alive_resp));
@@ -4212,7 +4212,7 @@
 	 * paths to avoid running iwl_down() at all before leaving driver.
 	 * This (inexpensive) call *makes sure* device is reset.
 	 */
-	priv->cfg->ops->lib->apm_ops.stop(priv);
+	iwl_apm_stop(priv);
 
 	/* make sure we flush any pending irq or
 	 * tasklet for the driver