embed: move call to usb_clear to shutdown function in assembler

embed/trezorhal/common.c

@@ -4,8 +4,6 @@
 #include "display.h"
 #include "rng.h"
 
-void shutdown(void);
-
 void __attribute__((noreturn)) __fatal_error(const char *expr, const char *msg, const char *file, int line, const char *func) {
     display_orientation(0);
     display_backlight(255);
@@ -28,7 +26,6 @@ void __attribute__((noreturn)) __fatal_error(const char *expr, const char *msg,
 #define STR(s) #s
     display_printf("rev : %s\n", XSTR(GITREV));
 #endif
-    clear_otg_hs_memory();
     shutdown();
     for (;;);
 }

embed/trezorhal/common.h

@@ -22,6 +22,8 @@ void jump_to(uint32_t address);
 
 void hal_delay(uint32_t ms);
 
+void shutdown(void);
+
 extern uint32_t __stack_chk_guard;
 
 #endif

embed/trezorhal/util.s

@@ -66,6 +66,7 @@ jump_to:
   .type shutdown, STT_FUNC
 shutdown:
   cpsid f
+  bl clear_otg_hs_memory
   ldr r0, =ccmram_start
   ldr r1, =ccmram_end
   ldr r2, =0