CSB_WRITE
fdc->c_csb.csb_read = CSB_WRITE;
fdc->c_csb.csb_read = CSB_WRITE;
fdc->c_csb.csb_read = CSB_WRITE;
fdc->c_csb.csb_read = CSB_WRITE;
(fdc->c_csb.csb_read == CSB_WRITE))) {
(fdc->c_csb.csb_read == CSB_WRITE))) {
set_dma_mode(fdc, CSB_WRITE);
fdc->c_csb.csb_read = CSB_WRITE;
if (fdc->c_csb.csb_read == CSB_WRITE) {