On 30/10/2024 19:58, Jishnu Prakash wrote:
> +
> +static int adc5_gen3_read(struct adc5_device_data *adc, unsigned int sdam_index,
> + u16 offset, u8 *data, int len)
> +{
> + return regmap_bulk_read(adc->regmap, adc->base[sdam_index].base_addr + offset, data, len);
> +}
> +
> +static int adc5_gen3_write(struct adc5_device_data *adc, unsigned int sdam_index,
> + u16 offset, u8 *data, int len)
> +{
> + return regmap_bulk_write(adc->regmap, adc->base[sdam_index].base_addr + offset, data, len);
> +}
> +
> +/*
> + * Worst case delay from PBS in readying handshake bit
> + * can be up to 15ms, when PBS is busy running other
> + * simultaneous transactions, while in the best case, it is
> + * already ready at this point. Assigning polling delay and
> + * retry count accordingly.
> + */
> +
> +#define ADC5_GEN3_HS_DELAY_MIN_US 100
> +#define ADC5_GEN3_HS_DELAY_MAX_US 110
> +#define ADC5_GEN3_HS_RETRY_COUNT 150
> +
> +static int adc5_gen3_poll_wait_hs(struct adc5_device_data *adc,
> + unsigned int sdam_index)
> +{
> + u8 conv_req = ADC5_GEN3_CONV_REQ_REQ;
> + int ret, count;
> + u8 status = 0;
> +
> + for (count = 0; count < ADC5_GEN3_HS_RETRY_COUNT; count++) {
> + ret = adc5_gen3_read(adc, sdam_index, ADC5_GEN3_HS, &status, 1);
> + if (ret)
> + return ret;
> +
> + if (status == ADC5_GEN3_HS_READY) {
> + ret = adc5_gen3_read(adc, sdam_index, ADC5_GEN3_CONV_REQ,
> + &conv_req, 1);
> + if (ret)
> + return ret;
> +
> + if (!conv_req)
> + return 0;
> + }
> +
> + usleep_range(ADC5_GEN3_HS_DELAY_MIN_US, ADC5_GEN3_HS_DELAY_MAX_US);
> + }
> +
> + pr_err("Setting HS ready bit timed out, sdam_index:%d, status:%#x\n", sdam_index, status);
> + return -ETIMEDOUT;
> +}
> +
> +static void adc5_gen3_update_dig_param(struct adc5_channel_common_prop *prop, u8 *data)
> +{
> + /* Update calibration select and decimation ratio select */
> + *data &= ~(ADC5_GEN3_DIG_PARAM_CAL_SEL_MASK | ADC5_GEN3_DIG_PARAM_DEC_RATIO_SEL_MASK);
> + *data |= FIELD_PREP(ADC5_GEN3_DIG_PARAM_CAL_SEL_MASK, prop->cal_method);
> + *data |= FIELD_PREP(ADC5_GEN3_DIG_PARAM_DEC_RATIO_SEL_MASK, prop->decimation);
> +}
> +
> +static int adc5_gen3_status_clear(struct adc5_device_data *adc,
> + int sdam_index, u16 offset, u8 *val, int len)
> +{
Wait, what? Why are you defining functions in header causing multiple
copies of them? And even if: why this is not inline? But regardless:
this is a strong NAK from me.
Best regards,
Krzysztof
