ulpi_read
ret = ulpi_read(to_ulpi_dev(dev), reg);
ret = ulpi_read(ulpi, ULPI_SCRATCH);
ulpi->id.vendor = ulpi_read(ulpi, ULPI_VENDOR_ID_LOW);
ulpi->id.vendor |= ulpi_read(ulpi, ULPI_VENDOR_ID_HIGH) << 8;
ulpi->id.product = ulpi_read(ulpi, ULPI_PRODUCT_ID_LOW);
ulpi->id.product |= ulpi_read(ulpi, ULPI_PRODUCT_ID_HIGH) << 8;
int ret = ulpi_read(ulpi, reg); \
EXPORT_SYMBOL_GPL(ulpi_read);
int ulpi_read(struct ulpi *ulpi, u8 addr);