X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fstmf0%2Fao_boot_pin.c;h=e825b618299bbe416e27153cfa0b331955d5e12b;hb=debian;hp=4b5dc2ac480341086e4264284b9345d2e5da299c;hpb=c0ad087008856cfc2233b977abfc3f1dcbaccdcc;p=fw%2Faltos

diff --git a/src/stmf0/ao_boot_pin.c b/src/stmf0/ao_boot_pin.c
index 4b5dc2ac..43212dfd 100644
--- a/src/stmf0/ao_boot_pin.c
+++ b/src/stmf0/ao_boot_pin.c
@@ -20,7 +20,8 @@
 #include <ao_boot.h>
 #include <ao_exti.h>
 
-void
+#if AO_BOOT_PIN
+int
 ao_boot_check_pin(void)
 {
 	uint16_t v;
@@ -41,7 +42,7 @@ ao_boot_check_pin(void)
 	/* Reset the chip to turn off the port and the power interface clock */
 	ao_gpio_set_mode(&AO_BOOT_APPLICATION_GPIO, AO_BOOT_APPLICATION_PIN, 0);
 	ao_disable_port(&AO_BOOT_APPLICATION_GPIO);
-	stm_rcc.apb1enr &= ~(1 << STM_RCC_APB1ENR_PWREN);
-	if (v == AO_BOOT_APPLICATION_VALUE)
-		ao_boot_chain(AO_BOOT_APPLICATION_BASE);
+	stm_rcc.apb1enr &= ~(1UL << STM_RCC_APB1ENR_PWREN);
+	return v == AO_BOOT_APPLICATION_VALUE;
 }
+#endif