HCIDE_NCHANNELS
struct ata_channel *sc_chp[HCIDE_NCHANNELS];/* pointers to sc_chan */
struct ata_channel sc_chan[HCIDE_NCHANNELS];
struct wdc_regs sc_wdc_regs[HCIDE_NCHANNELS];
sc->sc_wdc.sc_atac.atac_nchannels = HCIDE_NCHANNELS;
for (i = 0; i < HCIDE_NCHANNELS; i++) {