[PATCH v2 4/8] mtd: spi-nor: spansion: switch set_octal_dtr method to use vreg_offset

[Tudor Ambarus]

>>  static int cypress_nor_set_octal_dtr(struct spi_nor *nor, bool enable)
>>  {
> const struct spi_nor_flash_parameter *params = nor->params;
> 
>> +	if (!nor->params->vreg_offset) {
> 
> wouldn't hurt to check for params->n_dice as well, even though one
> implies the other. In the next patch you have a loop with n-dice being
> the max number of elements. If n-dice becomes zero sometime, the loop is
> skipped. Thus:
> 
> 	if (params->n_dice && !nor->params->vreg_offset)
> 
	if (!params->n_dice || !params->vreg_offset)