commit 37482a40846fd98a1e09ae76803a05aa09c7785c
author developer <developer@mediatek.com> Mon Dec 26 13:31:13 2022 +0800
committer developer <developer@mediatek.com> Tue Dec 27 13:58:20 2022 +0800
tree 9ce008d78ad778bb9bff1d052996733696bcdaa3
parent aa392b3498c8579b07afeed4477a6a1b2f042a44

[][[Jaguar][Eagle] reset recovery]

[Description]
Add ETH Reset for device recovery when detected erro

[Release-log]
-- sync panther-cheetah eth reset
-- refine error detect func
-- refine pending work flow


Change-Id: Ibac85bcca21f711586d9b9af246da1c789062425
Reviewed-on: https://gerrit.mediatek.inc/c/openwrt/feeds/mtk_openwrt_feeds/+/6969361

target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_dbg.c

diff --git a/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_dbg.c b/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_dbg.c
index 69e92db..c914bc0 100755
--- a/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_dbg.c
+++ b/target/linux/mediatek/files-5.4/drivers/net/ethernet/mediatek/mtk_eth_dbg.c
@@ -382,20 +382,31 @@
 				atomic_inc(&reset_lock);
 			break;
 		case 1:
-			if (atomic_read(&force) == 0)
+			if (atomic_read(&force) == 0) {
 				atomic_inc(&force);
-			schedule_work(&eth->pending_work);
+				schedule_work(&eth->pending_work);
+			} else
+				pr_info(" device resetting !!!\n");
 			break;
 		case 2:
 			if (atomic_read(&reset_lock) == 1)
 				atomic_dec(&reset_lock);
 			break;
+		case 3:
+			if (atomic_read(&force) == 0) {
+				atomic_inc(&force);
+				mtk_reset_flag = MTK_FE_STOP_TRAFFIC;
+				schedule_work(&eth->pending_work);
+			} else
+				pr_info(" device resetting !!!\n");
+			break;
 		default:
 			pr_info("Usage: echo [level] > /sys/kernel/debug/mtketh/reset\n");
-			pr_info("Commands:	 [level] \n");
-			pr_info("			   0	 disable reset \n");
-			pr_info("			   1	 force reset \n");
+			pr_info("Commands:	 [level]\n");
+			pr_info("			   0	 disable reset\n");
+			pr_info("			   1	 FE and WDMA reset\n");
 			pr_info("			   2	 enable reset\n");
+			pr_info("			   3	 FE reset\n");
 			break;
 	}
 	return count;