[FS#3381] Trunk don't initialize pci cards at mt7621

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FS#3381 - Trunk don't initialize pci cards at mt7621
User who did this - Aleksey Tregubov (AelxG)

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Hi Martin!

Thanks a lot for idea! After applying this patch my board works very fine!



--- pci-mt7621.c.org	2021-01-24 01:56:39.085392065 +0300
+++ pci-mt7621.c	2021-01-24 01:55:53.735426130 +0300
@@ -503,7 +503,12 @@
 
 	rt_sysc_m32(PERST_MODE_MASK, PERST_MODE_GPIO, MT7621_GPIO_MODE);
 
+    mdelay(250);
+
 	mt7621_pcie_reset_assert(pcie);
+
+    mdelay(250);
+
 	mt7621_pcie_reset_rc_deassert(pcie);
 
 	list_for_each_entry_safe(port, tmp, &pcie->ports, list) {
@@ -521,6 +526,8 @@
 		}
 	}
 
+    mdelay(250);
+
 	mt7621_pcie_reset_ep_deassert(pcie);
 
 	tmp = NULL;

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More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=3381#comment9319

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