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MdeModulePkg/SdMmcPciHcDxe: Fix DAT lane SW reset 

Driver used to reset the DAT lane on a current error which
is not required according to SD specification(it's not going
to help). This patch will reset the DAT lane only on DAT
lane specific 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>
This commit is contained in:
Albecki, Mateusz 2020-01-14 20:05:27 +08:00 committed by mergify[bot]
parent c40c6351fa
commit 4e2ac8062c
1 changed files with 2 additions and 2 deletions
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4
MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.c
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@ -7,7 +7,7 @@
It would expose EFI_SD_MMC_PASS_THRU_PROTOCOL for upper layer use. It would expose EFI_SD_MMC_PASS_THRU_PROTOCOL for upper layer use.
Copyright (c) 2018-2019, NVIDIA CORPORATION. All rights reserved. Copyright (c) 2018-2019, NVIDIA CORPORATION. All rights reserved.
Copyright (c) 2015 - 2019, Intel Corporation. All rights reserved.<BR> Copyright (c) 2015 - 2020, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent SPDX-License-Identifier: BSD-2-Clause-Patent
**/ **/
@ -2229,7 +2229,7 @@ SdMmcCheckTrbResult (
if ((IntStatus & 0x0F) != 0) { if ((IntStatus & 0x0F) != 0) {
SwReset |= BIT1; SwReset |= BIT1;
} }
if ((IntStatus & 0xF0) != 0) { if ((IntStatus & 0x70) != 0) {
SwReset |= BIT2; SwReset |= BIT2;
} }