brcmf_sdiod_func0_rb
data = brcmf_sdiod_func0_rb(sdiodev, SDIO_CCCR_IENx, &ret);
devpend = brcmf_sdiod_func0_rb(bus->sdiodev,
reg_val = brcmf_sdiod_func0_rb(sdiodev, SDIO_CCCR_BRCM_CARDCTRL, &err);