X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fstmf0%2Fao_boot_pin.c;h=43212dfd300c0024227bf5fe0e15c80dd3f0d00e;hb=54a465d062d9a863f14519267f06927d001e2c23;hp=f21ce1b251ff5931d5609ebb1926b6d2d68966ed;hpb=ad947ec3f313bbd1295af5dc64f1af9ec09bfe27;p=fw%2Faltos

diff --git a/src/stmf0/ao_boot_pin.c b/src/stmf0/ao_boot_pin.c
index f21ce1b2..43212dfd 100644
--- a/src/stmf0/ao_boot_pin.c
+++ b/src/stmf0/ao_boot_pin.c
@@ -20,6 +20,7 @@
 #include <ao_boot.h>
 #include <ao_exti.h>
 
+#if AO_BOOT_PIN
 int
 ao_boot_check_pin(void)
 {
@@ -41,6 +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);
+	stm_rcc.apb1enr &= ~(1UL << STM_RCC_APB1ENR_PWREN);
 	return v == AO_BOOT_APPLICATION_VALUE;
 }
+#endif