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| author | Haojian Zhuang <haojian.zhuang@linaro.org> | 2018-04-18 11:36:13 +0800 |
|---|---|---|
| committer | Haojian Zhuang <haojian.zhuang@linaro.org> | 2018-04-18 13:07:43 +0800 |
| commit | 76f0d9ab5b9b162d91a69bcd143a7f3f476b058f (patch) | |
| tree | d693857e535192a9054dc4828ad1a4407364b09b | |
| parent | ad746d3044f67cb87359371efb5fdb64965c2815 (diff) | |
| download | edk2-76f0d9ab5b9b162d91a69bcd143a7f3f476b058f.tar.gz | |
MdeModulePkg/UfsPassThruDxe: use loop to polling UTRLRSR
In Hi3660 SoC, need to poll UTRLRSR by loop.
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
| -rw-r--r-- | MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c b/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c index 335bd99c8..fbb31edf6 100644 --- a/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c +++ b/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c @@ -811,12 +811,14 @@ UfsStartExecCmd ( UINT32 Data;
EFI_STATUS Status;
- Status = UfsMmioRead32 (Private, UFS_HC_UTRLRSR_OFFSET, &Data);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- if ((Data & UFS_HC_UTRLRSR) != UFS_HC_UTRLRSR) {
+ for (;;) {
+ Status = UfsMmioRead32 (Private, UFS_HC_UTRLRSR_OFFSET, &Data);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+ if ((Data & UFS_HC_UTRLRSR) == UFS_HC_UTRLRSR) {
+ break;
+ }
Status = UfsMmioWrite32 (Private, UFS_HC_UTRLRSR_OFFSET, UFS_HC_UTRLRSR);
if (EFI_ERROR (Status)) {
return Status;
@@ -1195,7 +1197,6 @@ UfsRwFlags ( ASSERT (QueryResp != NULL);
CmdDescSize = Trd->RuO * sizeof (UINT32) + Trd->RuL * sizeof (UINT32);
- MicroSecondDelay (100000);
//
// Start to execute the transfer request.
//
@@ -1363,7 +1364,6 @@ UfsExecNopCmds ( ASSERT (NopInUpiu != NULL);
CmdDescSize = Trd->RuO * sizeof (UINT32) + Trd->RuL * sizeof (UINT32);
- MicroSecondDelay (100000);
//
// Start to execute the transfer request.
//
|