[PATCH v4 1/4] imx9: Add support for saving DDR training data to NVM

[Marek Vasut]

On 4/30/26 10:33 AM, Simona Toaca (OSS) wrote:

[...]

> +static int imx_qb_spi(bool save)
> +{
> +	struct udevice *flash;
> +	u64 offset;
> +	int ret;
> +
> +	if (!CONFIG_IS_ENABLED(SPI)) {
> +		printf("SPI not enabled\n");
> +		return -EOPNOTSUPP;
> +	}
> +
> +	ret = uclass_first_device_err(UCLASS_SPI_FLASH, &flash);
> +	if (ret) {
> +		printf("SPI flash not found.\n");
> +		return -ENODEV;
> +	}
> +
> +	ret = imx_qb_get_qbdata_offset(flash, SPI_DEV, &offset);
> +	if (ret) {
> +		printf("get_qbdata_offset failed, ret = %d\n", ret);
> +		return ret;
> +	}
> +
> +	ret = spi_flash_erase_dm(flash, offset, QB_STATE_LOAD_SIZE);
Can you please double-check whether "offset" here is always aligned to 
64 kiB (SPI NOR erase block size) ? If not, this erase here will fail.

Thank you