On 1/4/19 10:55 AM, Patrice Chotard wrote: Hi,
> @@ -215,7 +220,9 @@ U_BOOT_DRIVER(gpio_stm32) = { > .id = UCLASS_GPIO, > .of_match = stm32_gpio_ids, > .probe = gpio_stm32_probe, > +#ifndef CONFIG_SPL_BUILD > .ops = &gpio_stm32_ops, > +#endif > .flags = DM_UC_FLAG_SEQ_ALIAS, > .priv_auto_alloc_size = sizeof(struct stm32_gpio_priv), > }; The U-Boot DM GPIO uclass code assumes the .ops is always non-NULL. Hence, this patch breaks all GPIO access (actually crashes SPL) on STM32 in SPL. -- Best regards, Marek Vasut