mc33xs2410_read_reg_diag
ret = mc33xs2410_read_reg_diag(spi, reg, ®_val);
ret = mc33xs2410_read_reg_diag(spi, MC33XS2410_OUT_STA(channel),
EXPORT_SYMBOL_GPL(mc33xs2410_read_reg_diag);
int mc33xs2410_read_reg_diag(struct spi_device *spi, u8 reg, u16 *val);