X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fstm%2Fao_boot_pin.c;h=b289b80439f9c10399d42715ca0026b6280face5;hb=1760bec9ed19c64f35ea28904cea433d39dead07;hp=e825b618299bbe416e27153cfa0b331955d5e12b;hpb=8124af8c27b2b9e446aa3a4f1da83d4db7c1ea87;p=fw%2Faltos

diff --git a/src/stm/ao_boot_pin.c b/src/stm/ao_boot_pin.c
index e825b618..b289b804 100644
--- a/src/stm/ao_boot_pin.c
+++ b/src/stm/ao_boot_pin.c
@@ -3,7 +3,8 @@
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -19,7 +20,7 @@
 #include <ao_boot.h>
 #include <ao_exti.h>
 
-void
+int
 ao_boot_check_pin(void)
 {
 	uint16_t v;
@@ -40,7 +41,6 @@ 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;
 }