MdedulePkg: AtaAtapiPassThru: Remove polling on PxCMD.FR flag setting

[mirror_edk2.git] / MdeModulePkg / Bus / Ata / AtaAtapiPassThru / AhciMode.c

diff --git a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.c b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.c
index 3534d9fc2328872ae099d5c85c7c4143cb5d22ea..469a40ac392a6fafb1363bf08438b990681beea2 100644 (file)
--- a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.c
+++ b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.c
@@ -427,13 +427,7 @@ AhciEnableFisReceive (
   Offset = EFI_AHCI_PORT_START + Port * EFI_AHCI_PORT_REG_WIDTH + EFI_AHCI_PORT_CMD;\r
   AhciOrReg (PciIo, Offset, EFI_AHCI_PORT_CMD_FRE);\r
 \r
-  return AhciWaitMmioSet (\r
-           PciIo,\r
-           Offset,\r
-           EFI_AHCI_PORT_CMD_FR,\r
-           EFI_AHCI_PORT_CMD_FR,\r
-           Timeout\r
-           );\r
+  return EFI_SUCCESS;\r
 }\r
 \r
 /**\r
@@ -2344,16 +2338,6 @@ AhciModeInitialization (
       //\r
       Offset = EFI_AHCI_PORT_START + Port * EFI_AHCI_PORT_REG_WIDTH + EFI_AHCI_PORT_CMD;\r
       AhciOrReg (PciIo, Offset, EFI_AHCI_PORT_CMD_FRE);\r
-      Status = AhciWaitMmioSet (\r
-                 PciIo,\r
-                 Offset,\r
-                 EFI_AHCI_PORT_CMD_FR,\r
-                 EFI_AHCI_PORT_CMD_FR,\r
-                 EFI_AHCI_PORT_CMD_FR_CLEAR_TIMEOUT\r
-                 );\r
-      if (EFI_ERROR (Status)) {\r
-        continue;\r
-      }\r
 \r
       //\r
       // Wait no longer than 10 ms to wait the Phy to detect the presence of a device.\r