From: shangke <shangke@espressif.com>
Date: Fri, 6 Jan 2017 05:49:42 +0000 (+0800)
Subject: ethernet : fix sometimes ethernet init fail bug
X-Git-Tag: v2.0-rc1~82^2~1
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=489701eb2d424790f85fee1d84b2665769274405;p=esp-idf

ethernet : fix sometimes ethernet init fail bug
---

diff --git a/components/ethernet/emac_main.c b/components/ethernet/emac_main.c
index 20d428cf7b..06e641453b 100644
--- a/components/ethernet/emac_main.c
+++ b/components/ethernet/emac_main.c
@@ -628,6 +628,7 @@ static void emac_start(void *param)
     cmd->err = EMAC_CMD_OK;
     emac_enable_clk(true);
 
+    emac_reset();
     emac_macaddr_init();
 
     emac_check_mac_addr();
@@ -839,7 +840,9 @@ esp_err_t IRAM_ATTR emac_post(emac_sig_t sig, emac_par_t par)
             }
         }
     } else {
+        portENTER_CRITICAL(&g_emac_mux);
         emac_sig_cnt[sig]++;
+        portEXIT_CRITICAL(&g_emac_mux);
         emac_event_t evt;
         evt.sig = sig;
         evt.par = par;
@@ -898,10 +901,8 @@ esp_err_t esp_eth_init(eth_config_t *config)
     emac_xqueue = xQueueCreate(EMAC_EVT_QNUM, sizeof(emac_event_t));
     xTaskCreate(emac_task, "emacT", 2048, NULL, EMAC_TASK_PRIORITY, &emac_task_hdl);
 
-    esp_intr_alloc(ETS_ETH_MAC_INTR_SOURCE, 0, emac_process_intr, NULL, NULL);
-
-    emac_reset();
     emac_enable_clk(false);
+    esp_intr_alloc(ETS_ETH_MAC_INTR_SOURCE, 0, emac_process_intr, NULL, NULL);
 
     emac_config.emac_status = EMAC_RUNTIME_INIT;