tyler.durden
/
audk
mirror of https://github.com/acidanthera/audk.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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>
This commit is contained in:
shenglei 2018-08-08 13:49:06 +08:00 committed by Star Zeng
parent 66d3c76b8a
commit 11237cf147
1 changed files with 0 additions and 107 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

107
MdeModulePkg/Bus/Pci/SdMmcPciHcDxe/SdDevice.c
View File

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