rem: s32 CARD_Mount(u32 chn,void *workarea,cardcallback detach_cb)
add: s32 CARD_Mount(s32 chn,void *workarea,cardcallback detach_cb)
context: s32 CARD_Mount(u32 chn,void *workarea,cardcallback detach_cb){	s32 ret;#ifdef _CARD_DEBUG	printf("CARD_Mount(%d,%p,%p)\n",chn,workarea,detach_cb);#endif	if((ret=CARD_MountAsync(chn,workarea,detach_cb,__card_synccallback)>=0)) {		__card_sync(chn);	}	return ret;}