if ((hwconfig_sub_f("fsl_ddr", "bank_intlv", buf)) &&
(CONFIG_CHIP_SELECTS_PER_CTRL > 1)) {
/* test null first. if CONFIG_HWCONFIG is not defined,
if ((hwconfig_sub_f("fsl_ddr", "bank_intlv", buf)) &&
(CONFIG_CHIP_SELECTS_PER_CTRL > 1)) {
/* test null first. if CONFIG_HWCONFIG is not defined,