（紧急求助）调试SD卡驱动的时候出现问题

本人的SD卡驱动在调试的时候，发命令老是没有回应，而且现在发着发着就不能发了，
原来可以一直发，后来不知道修改了什么就变成现在这样的，可以发几个，
但是始终没有反应，本人SD卡驱动是修改Samsung 2410的SDHC.
怀疑是clock设置的问题，别的对对照一个寄存器一个寄存器的设置了，没问题。
谢谢大家了。。
0x8ce73100: SDSetCardInterfaceForSlot - HC ClockRate differs desired setting:
0x8ce73100: BusRequestHandler starts (CMD:5)
0x8ce73100: SendCommand (0x000406c0, 0x0005, 0x00000000, 0x0005, 0x0) starts0x8ce66cfc: GetCommandResponse started0x8ce66cfc: SDHCD:SDHCDBusRequestHandler() - Error getting response for command:0x05
0x8ce66cfc: SDBusDriver: Retrying request 0x0003E950, Current retry count: 3
0x8ce66cfc: BusRequestHandler starts (CMD:5)0x8ce66cfc:
SendCommand (0x000406c0, 0x0005, 0x00000000, 0x0005, 0x0) starts
0x8ce66cfc: GetCommandResponse started0x8ce66cfc: SDHCD:SDHCDBusRequestHandler() - Error getting response for command:0x05
0x8ce66cfc: SDBusDriver: Retrying request 0x0003E950, Current retry count: 2
0x8ce66cfc: BusRequestHandler starts (CMD:5)
0x8ce66cfc: SendCommand (0x000406c0, 0x0005, 0x00000000, 0x0005, 0x0) starts0x8ce66cfc: GetCommandResponse started0x8ce66cfc: SDHCD:SDHCDBusRequestHandler() - Error getting response for command:0x05
0x8ce66cfc: SDBusDriver: Retrying request 0x0003E950, Current retry count: 1
0x8ce66cfc: BusRequestHandler starts (CMD:5)
0x8ce66cfc: SendCommand (0x000406c0, 0x0005, 0x00000000, 0x0005, 0x0) starts0x8ce66cfc: GetCommandResponse started0x8ce66cfc: SDHCD:SDHCDBusRequestHandler() - Error getting response for command:0x05
0x8ce73100: SDBusDriver: Work Item exiting because of failure : 0xC000000D