b53_spi_read
return b53_spi_read(dev, page, reg, val, 1);
ret = b53_spi_read(dev, page, reg, (u8 *)&value, 2);
ret = b53_spi_read(dev, page, reg, (u8 *)&value, 4);
ret = b53_spi_read(dev, page, reg, (u8 *)&value, 6);
ret = b53_spi_read(dev, page, reg, (u8 *)&value, 8);