MdeModulePkg SdMmcPciHcDxe: Remove redundant functions

The functions that are never called have been removed.
They are SdCardGetCsd and SdCardGetScr.
https://bugzilla.tianocore.org/show_bug.cgi?id=1062

Cc: Star Zeng <star.zeng@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: shenglei <shenglei.zhang@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Hao Wu <hao.a.wu@intel.com>

diff --git a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdDevice.c b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdDevice.c
index 9e70de956f36a33cda9bcc1220b9e0a72903cdfc..8c93933bc6311008351706aa938a73b05194e704 100644 (file)
--- a/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdDevice.c
+++ b/MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdDevice.c
@@ -318,116 +318,9 @@ SdCardSetRca (
   return Status;\r
 }\r
 \r
-/**\r
-  Send command SEND_CSD to the SD device to get the data of the CSD register.\r
-\r
-  Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.\r
-\r
-  @param[in]  PassThru      A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r
-  @param[in]  Slot          The slot number of the SD card to send the command to.\r
-  @param[in]  Rca           The relative device address of selected device.\r
-  @param[out] Csd           The buffer to store the content of the CSD register.\r
-                            Note the caller should ignore the lowest byte of this\r
-                            buffer as the content of this byte is meaningless even\r
-                            if the operation succeeds.\r
-\r
-  @retval EFI_SUCCESS       The operation is done correctly.\r
-  @retval Others            The operation fails.\r
-\r
-**/\r
-EFI_STATUS\r
-SdCardGetCsd (\r
-  IN     EFI_SD_MMC_PASS_THRU_PROTOCOL  *PassThru,\r
-  IN     UINT8                          Slot,\r
-  IN     UINT16                         Rca,\r
-     OUT SD_CSD                         *Csd\r
-  )\r
-{\r
-  EFI_SD_MMC_COMMAND_BLOCK              SdMmcCmdBlk;\r
-  EFI_SD_MMC_STATUS_BLOCK               SdMmcStatusBlk;\r
-  EFI_SD_MMC_PASS_THRU_COMMAND_PACKET   Packet;\r
-  EFI_STATUS                            Status;\r
-\r
-  ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r
-  ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r
-  ZeroMem (&Packet, sizeof (Packet));\r
-\r
-  Packet.SdMmcCmdBlk    = &SdMmcCmdBlk;\r
-  Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r
-  Packet.Timeout        = SD_MMC_HC_GENERIC_TIMEOUT;\r
 \r
-  SdMmcCmdBlk.CommandIndex = SD_SEND_CSD;\r
-  SdMmcCmdBlk.CommandType  = SdMmcCommandTypeAc;\r
-  SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR2;\r
-  SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;\r
 \r
-  Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r
-  if (!EFI_ERROR (Status)) {\r
-    //\r
-    // For details, refer to SD Host Controller Simplified Spec 3.0 Table 2-12.\r
-    //\r
-    CopyMem (((UINT8*)Csd) + 1, &SdMmcStatusBlk.Resp0, sizeof (SD_CSD) - 1);\r
-  }\r
-\r
-  return Status;\r
-}\r
-\r
-/**\r
-  Send command SEND_CSD to the SD device to get the data of the CSD register.\r
-\r
-  Refer to SD Physical Layer Simplified Spec 4.1 Section 4.7 for details.\r
 \r
-  @param[in]  PassThru      A pointer to the EFI_SD_MMC_PASS_THRU_PROTOCOL instance.\r
-  @param[in]  Slot          The slot number of the SD card to send the command to.\r
-  @param[in]  Rca           The relative device address of selected device.\r
-  @param[out] Scr           The buffer to store the content of the SCR register.\r
-\r
-  @retval EFI_SUCCESS       The operation is done correctly.\r
-  @retval Others            The operation fails.\r
-\r
-**/\r
-EFI_STATUS\r
-SdCardGetScr (\r
-  IN     EFI_SD_MMC_PASS_THRU_PROTOCOL  *PassThru,\r
-  IN     UINT8                          Slot,\r
-  IN     UINT16                         Rca,\r
-     OUT SD_SCR                         *Scr\r
-  )\r
-{\r
-  EFI_SD_MMC_COMMAND_BLOCK              SdMmcCmdBlk;\r
-  EFI_SD_MMC_STATUS_BLOCK               SdMmcStatusBlk;\r
-  EFI_SD_MMC_PASS_THRU_COMMAND_PACKET   Packet;\r
-  EFI_STATUS                            Status;\r
-\r
-  ZeroMem (&SdMmcCmdBlk, sizeof (SdMmcCmdBlk));\r
-  ZeroMem (&SdMmcStatusBlk, sizeof (SdMmcStatusBlk));\r
-  ZeroMem (&Packet, sizeof (Packet));\r
-\r
-  Packet.SdMmcCmdBlk    = &SdMmcCmdBlk;\r
-  Packet.SdMmcStatusBlk = &SdMmcStatusBlk;\r
-  Packet.Timeout        = SD_MMC_HC_GENERIC_TIMEOUT;\r
-\r
-  SdMmcCmdBlk.CommandIndex = SD_APP_CMD;\r
-  SdMmcCmdBlk.CommandType  = SdMmcCommandTypeAc;\r
-  SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r
-  SdMmcCmdBlk.CommandArgument = (UINT32)Rca << 16;\r
-\r
-  Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r
-  if (EFI_ERROR (Status)) {\r
-    return Status;\r
-  }\r
-\r
-  SdMmcCmdBlk.CommandIndex = SD_SEND_SCR;\r
-  SdMmcCmdBlk.CommandType  = SdMmcCommandTypeAdtc;\r
-  SdMmcCmdBlk.ResponseType = SdMmcResponseTypeR1;\r
-\r
-  Packet.InDataBuffer     = Scr;\r
-  Packet.InTransferLength = sizeof (SD_SCR);\r
-\r
-  Status = SdMmcPassThruPassThru (PassThru, Slot, &Packet, NULL);\r
-\r
-  return Status;\r
-}\r
 \r
 /**\r
   Send command SELECT_DESELECT_CARD to the SD device to select/deselect it.\r