[PATCH v1 1/4] coresight: tmc: Introduce new APIs to get the RWP offset of ETR buffer

[Krzysztof Kozlowski]

On 10/03/2025 10:04, Jie Gan wrote:
> +static long tmc_sg_get_rwp_offset(struct tmc_drvdata *drvdata)
> +{
> +	struct etr_buf *etr_buf = drvdata->sysfs_buf;
> +	struct etr_sg_table *etr_table = etr_buf->private;
> +	struct tmc_sg_table *table = etr_table->sg_table;
> +	long w_offset;
> +	u64 rwp;
> +
> +	rwp = tmc_read_rwp(drvdata);
> +	w_offset = tmc_sg_get_data_page_offset(table, rwp);
> +
> +	return w_offset;
> +}
> +
> +/*
> + * Retrieve the offset to the write pointer of the ETR buffer based on whether
> + * the memory mode is SG, flat or reserved.
> + */
> +long tmc_get_rwp_offset(struct tmc_drvdata *drvdata)

You need kerneldoc for exports.


Best regards,
Krzysztof