stmhal: Factor GPIO clock enable logic into mp_hal_gpio_clock_enable.

Extracted GPIO clock enable logic into mp_hal_gpio_clock_enable
and called from anyplace which might need to use GPIO functions
on ports other than A-D.

Thanks to Dave Hylands for the patch.

1 files changed, 2 insertions, 0 deletions

diff --git a/stmhal/usrsw.c b/stmhal/usrsw.c
index 821df6010..225373ca8 100644
--- a/stmhal/usrsw.c
+++ b/stmhal/usrsw.c
@@ -30,6 +30,7 @@
 #include "extint.h"
 #include "pin.h"
 #include "genhdr/pins.h"
+#include "mphal.h"
 #include "usrsw.h"
 
 #if MICROPY_HW_HAS_SWITCH
@@ -53,6 +54,7 @@
 
 // this function inits the switch GPIO so that it can be used
 void switch_init0(void) {
+    mp_hal_gpio_clock_enable(MICROPY_HW_USRSW_PIN.gpio);
     GPIO_InitTypeDef init;
     init.Pin = MICROPY_HW_USRSW_PIN.pin_mask;
     init.Mode = GPIO_MODE_INPUT;