From: "Tien Hock, Loh" <tien.hock....@intel.com>
Do not send CRC response check if the MMC command does not support CRC
response
Signed-off-by: "Tien Hock, Loh" <tien.hock....@intel.com>
Cc: Leif Lindholm <leif.lindh...@linaro.org>
Cc: Ard Biesheuvel <ard.biesheu...@linaro.org>
---
EmbeddedPkg/Drivers/DwEmmcDxe/DwEmmcDxe.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/EmbeddedPkg/Drivers/DwEmmcDxe/DwEmmcDxe.c
b/EmbeddedPkg/Drivers/DwEmmcDxe/DwEmmcDxe.c
index a69d9ab..c38b5a4 100644
--- a/EmbeddedPkg/Drivers/DwEmmcDxe/DwEmmcDxe.c
+++ b/EmbeddedPkg/Drivers/DwEmmcDxe/DwEmmcDxe.c
@@ -384,7 +384,7 @@ DwEmmcSendCommand (
BIT_CMD_READ | BIT_CMD_WAIT_PRVDATA_COMPLETE;
break;
default:
- Cmd = BIT_CMD_RESPONSE_EXPECT | BIT_CMD_CHECK_RESPONSE_CRC;
+ Cmd = BIT_CMD_RESPONSE_EXPECT;
break;
}
@@ -394,6 +394,11 @@ DwEmmcSendCommand (
mIsACmd = TRUE;
else
mIsACmd = FALSE;
+
+ if (!(MmcCmd & MMC_CMD_NO_CRC_RESPONSE)) {
+ Cmd |= BIT_CMD_CHECK_RESPONSE_CRC;
+ }
+
if (IsPendingReadCommand (Cmd) || IsPendingWriteCommand (Cmd)) {
mDwEmmcCommand = Cmd;
mDwEmmcArgument = Argument;
--
2.2.2
-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#39940): https://edk2.groups.io/g/devel/message/39940
Mute This Topic: https://groups.io/mt/31480082/21656
Group Owner: devel+ow...@edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com]
-=-=-=-=-=-=-=-=-=-=-=-
