From 430743a1e8cbef114f261e2b7ee8d2d07914f5b3 Mon Sep 17 00:00:00 2001
From: "Albecki, Mateusz" <mateusz.albecki@intel.com>
Date: Tue, 14 Jan 2020 20:05:30 +0800
Subject: MdeModulePkg/SdMmcPciHcDxe: Add retries for async commands

This patch adds retries for async execution for commands that
failed due to the CRC errors.

Cc: Hao A Wu <hao.a.wu@intel.com>
Cc: Marcin Wojtas <mw@semihalf.com>
Cc: Zhichao Gao <zhichao.gao@intel.com>
Cc: Liming Gao <liming.gao@intel.com>

Signed-off-by: Mateusz Albecki <mateusz.albecki@intel.com>
Reviewed-by: Hao A Wu <hao.a.wu@intel.com>
---
 MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'MdeModulePkg/Bus')

diff --git a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.c b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.c
index 193b0f24e2..b18ff3e972 100644
--- a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.c
+++ b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHcDxe.c
@@ -211,8 +211,10 @@ Done:
       gBS->SignalEvent (TrbEvent);
       return;
     }
-  }
-  if ((Trb != NULL) && (Status != EFI_NOT_READY)) {
+  } else if ((Trb != NULL) && (Status == EFI_CRC_ERROR) && (Trb->Retries > 0)) {
+    Trb->Retries--;
+    Trb->Started = FALSE;
+  } else if ((Trb != NULL)) {
     RemoveEntryList (Link);
     Trb->Packet->TransactionStatus = Status;
     TrbEvent = Trb->Event;
-- 
cgit v1.2.3