diff options
| author | Albecki, Mateusz <mateusz.albecki@intel.com> | 2020-01-14 20:05:27 +0800 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2020-01-19 01:58:00 +0000 |
| commit | 4e2ac8062cbe907be9fbf6b2e6f1fc947690c4de (patch) | |
| tree | c5ab45699dccc7e174b56e50a98bb6716f7e2c44 /MdeModulePkg | |
| parent | c40c6351fa1cbe83af5d5f49b3a5f78e17b15344 (diff) | |
| download | edk2-4e2ac8062cbe907be9fbf6b2e6f1fc947690c4de.tar.gz | |
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>
Diffstat (limited to 'MdeModulePkg')
| -rw-r--r-- | MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.c b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.c index d1e60938f9..b469ee91ac 100644 --- a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.c +++ b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdMmcPciHci.c @@ -7,7 +7,7 @@ It would expose EFI_SD_MMC_PASS_THRU_PROTOCOL for upper layer use.
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
**/
@@ -2229,7 +2229,7 @@ SdMmcCheckTrbResult ( if ((IntStatus & 0x0F) != 0) {
SwReset |= BIT1;
}
- if ((IntStatus & 0xF0) != 0) {
+ if ((IntStatus & 0x70) != 0) {
SwReset |= BIT2;
}
|