TEGRA_GPCDMA_CHAN_ERR_STATUS
tdc_read(tdc, TEGRA_GPCDMA_CHAN_ERR_STATUS));
status = tdc_read(tdc, TEGRA_GPCDMA_CHAN_ERR_STATUS);
tdc_write(tdc, TEGRA_GPCDMA_CHAN_ERR_STATUS, 0xFFFFFFFF);