MdeModulePkg AtaAtapiPassThru: Remove redundant functions

[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 79ae11bd201a00b311cc028398d032cea27c030a..d7a8b296663e0ac20cf4b7eb4d5e9e873e8d791b 100644 (file)
--- a/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.c
+++ b/MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.c
@@ -294,41 +294,6 @@ AhciCheckMemSet (
   }\r
 }\r
 \r
-/**\r
-  Check if the device is still on port. It also checks if the AHCI controller\r
-  supports the address and data count will be transferred.\r
-\r
-  @param  PciIo            The PCI IO protocol instance.\r
-  @param  Port             The number of port.\r
-\r
-  @retval EFI_SUCCESS      The device is attached to port and the transfer data is\r
-                           supported by AHCI controller.\r
-  @retval EFI_UNSUPPORTED  The transfer address and count is not supported by AHCI\r
-                           controller.\r
-  @retval EFI_NOT_READY    The physical communication between AHCI controller and device\r
-                           is not ready.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-AhciCheckDeviceStatus (\r
-  IN  EFI_PCI_IO_PROTOCOL    *PciIo,\r
-  IN  UINT8                  Port\r
-  )\r
-{\r
-  UINT32      Data;\r
-  UINT32      Offset;\r
-\r
-  Offset = EFI_AHCI_PORT_START + Port * EFI_AHCI_PORT_REG_WIDTH + EFI_AHCI_PORT_SSTS;\r
-\r
-  Data   = AhciReadReg (PciIo, Offset) & EFI_AHCI_PORT_SSTS_DET_MASK;\r
-\r
-  if (Data == EFI_AHCI_PORT_SSTS_DET_PCE) {\r
-    return EFI_SUCCESS;\r
-  }\r
-\r
-  return EFI_NOT_READY;\r
-}\r
 \r
 /**\r
 \r
@@ -1361,75 +1326,6 @@ AhciStartCommand (
   return EFI_SUCCESS;\r
 }\r
 \r
-/**\r
-  Do AHCI port reset.\r
-\r
-  @param  PciIo              The PCI IO protocol instance.\r
-  @param  Port               The number of port.\r
-  @param  Timeout            The timeout value of reset, uses 100ns as a unit.\r
-\r
-  @retval EFI_DEVICE_ERROR   The port reset unsuccessfully\r
-  @retval EFI_TIMEOUT        The reset operation is time out.\r
-  @retval EFI_SUCCESS        The port reset successfully.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-AhciPortReset (\r
-  IN  EFI_PCI_IO_PROTOCOL       *PciIo,\r
-  IN  UINT8                     Port,\r
-  IN  UINT64                    Timeout\r
-  )\r
-{\r
-  EFI_STATUS      Status;\r
-  UINT32          Offset;\r
-\r
-  AhciClearPortStatus (PciIo, Port);\r
-\r
-  AhciStopCommand (PciIo, Port, Timeout);\r
-\r
-  AhciDisableFisReceive (PciIo, Port, Timeout);\r
-\r
-  AhciEnableFisReceive (PciIo, Port, Timeout);\r
-\r
-  Offset = EFI_AHCI_PORT_START + Port * EFI_AHCI_PORT_REG_WIDTH + EFI_AHCI_PORT_SCTL;\r
-\r
-  AhciOrReg (PciIo, Offset, EFI_AHCI_PORT_SCTL_DET_INIT);\r
-\r
-  //\r
-  // wait 5 millisecond before de-assert DET\r
-  //\r
-  MicroSecondDelay (5000);\r
-\r
-  AhciAndReg (PciIo, Offset, (UINT32)EFI_AHCI_PORT_SCTL_MASK);\r
-\r
-  //\r
-  // wait 5 millisecond before de-assert DET\r
-  //\r
-  MicroSecondDelay (5000);\r
-\r
-  //\r
-  // Wait for communication to be re-established\r
-  //\r
-  Offset = EFI_AHCI_PORT_START + Port * EFI_AHCI_PORT_REG_WIDTH + EFI_AHCI_PORT_SSTS;\r
-  Status = AhciWaitMmioSet (\r
-             PciIo,\r
-             Offset,\r
-             EFI_AHCI_PORT_SSTS_DET_MASK,\r
-             EFI_AHCI_PORT_SSTS_DET_PCE,\r
-             Timeout\r
-             );\r
-\r
-  if (EFI_ERROR (Status)) {\r
-    DEBUG ((EFI_D_ERROR, "Port %d COMRESET failed: %r\n", Port, Status));\r
-    return Status;\r
-  }\r
-\r
-  Offset = EFI_AHCI_PORT_START + Port * EFI_AHCI_PORT_REG_WIDTH + EFI_AHCI_PORT_SERR;\r
-  AhciOrReg (PciIo, Offset, EFI_AHCI_PORT_ERR_CLEAR);\r
-\r
-  return EFI_SUCCESS;\r
-}\r
 \r
 /**\r
   Do AHCI HBA reset.\r