libertas: Prepare stuff for if_spi.c pm support
To support suspend/resume in if_spi we need two things:
- re-setup fw in lbs_resume(), because if_spi powercycles card;
- don't touch hwaddr on second lbs_update_hw_spec() call for same
reason;
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index 6836a6d..ca8149c 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -539,6 +539,43 @@
return 0;
}
+/**
+ * @brief This function gets the HW spec from the firmware and sets
+ * some basic parameters.
+ *
+ * @param priv A pointer to struct lbs_private structure
+ * @return 0 or -1
+ */
+static int lbs_setup_firmware(struct lbs_private *priv)
+{
+ int ret = -1;
+ s16 curlevel = 0, minlevel = 0, maxlevel = 0;
+
+ lbs_deb_enter(LBS_DEB_FW);
+
+ /* Read MAC address from firmware */
+ memset(priv->current_addr, 0xff, ETH_ALEN);
+ ret = lbs_update_hw_spec(priv);
+ if (ret)
+ goto done;
+
+ /* Read power levels if available */
+ ret = lbs_get_tx_power(priv, &curlevel, &minlevel, &maxlevel);
+ if (ret == 0) {
+ priv->txpower_cur = curlevel;
+ priv->txpower_min = minlevel;
+ priv->txpower_max = maxlevel;
+ }
+
+ /* Send cmd to FW to enable 11D function */
+ ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_11D_ENABLE, 1);
+
+ lbs_set_mac_control(priv);
+done:
+ lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret);
+ return ret;
+}
+
int lbs_suspend(struct lbs_private *priv)
{
int ret;
@@ -584,49 +621,15 @@
lbs_pr_err("deep sleep activation failed: %d\n", ret);
}
+ if (priv->setup_fw_on_resume)
+ ret = lbs_setup_firmware(priv);
+
lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret);
return ret;
}
EXPORT_SYMBOL_GPL(lbs_resume);
/**
- * @brief This function gets the HW spec from the firmware and sets
- * some basic parameters.
- *
- * @param priv A pointer to struct lbs_private structure
- * @return 0 or -1
- */
-static int lbs_setup_firmware(struct lbs_private *priv)
-{
- int ret = -1;
- s16 curlevel = 0, minlevel = 0, maxlevel = 0;
-
- lbs_deb_enter(LBS_DEB_FW);
-
- /* Read MAC address from firmware */
- memset(priv->current_addr, 0xff, ETH_ALEN);
- ret = lbs_update_hw_spec(priv);
- if (ret)
- goto done;
-
- /* Read power levels if available */
- ret = lbs_get_tx_power(priv, &curlevel, &minlevel, &maxlevel);
- if (ret == 0) {
- priv->txpower_cur = curlevel;
- priv->txpower_min = minlevel;
- priv->txpower_max = maxlevel;
- }
-
- /* Send cmd to FW to enable 11D function */
- ret = lbs_set_snmp_mib(priv, SNMP_MIB_OID_11D_ENABLE, 1);
-
- lbs_set_mac_control(priv);
-done:
- lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret);
- return ret;
-}
-
-/**
* This function handles the timeout of command sending.
* It will re-send the same command again.
*/