1 files changed, 4 insertions, 2 deletions
diff --git a/os/hal/ports/STM32/STM32F7xx/hal_lld.c b/os/hal/ports/STM32/STM32F7xx/hal_lld.c
index 8f5645b88..16595bdc0 100644
--- a/os/hal/ports/STM32/STM32F7xx/hal_lld.c
+++ b/os/hal/ports/STM32/STM32F7xx/hal_lld.c
@@ -114,8 +114,10 @@ static void hal_lld_backup_domain_init(void) {
 void hal_lld_init(void) {
 
   /* Reset of all peripherals. AHB3 is not reseted because it could have
-     been initialized in the board initialization file (board.c).*/
-  rccResetAHB1(~0);
+     been initialized in the board initialization file (board.c).
+     Note, GPIO are not reset because initialized before this point in
+     board files.*/
+  rccResetAHB1(~STM32_GPIO_EN_MASK);
   rccResetAHB2(~0);
   rccResetAPB1(~RCC_APB1RSTR_PWRRST);
   rccResetAPB2(~0);