X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fstm%2Fao_usb_stm.c;h=c093f526164452bf8355379d76854f26d7c6f098;hb=dd7699cf8daded17ac41abf5c5170cfb599b6ff5;hp=71bf1bc76eecc9cc4170b67fc41bf1449876a487;hpb=1489263b895a2a825e29d0560c9b1dbba8a3f431;p=fw%2Faltos

diff --git a/src/stm/ao_usb_stm.c b/src/stm/ao_usb_stm.c
index 71bf1bc7..c093f526 100644
--- a/src/stm/ao_usb_stm.c
+++ b/src/stm/ao_usb_stm.c
@@ -937,7 +937,7 @@ ao_usb_disable(void)
 void
 ao_usb_enable(void)
 {
-	uint16_t	tick;
+	int	t;
 
 	/* Enable SYSCFG */
 	stm_rcc.apb2enr |= (1 << STM_RCC_APB2ENR_SYSCFGEN);
@@ -985,6 +985,8 @@ ao_usb_enable(void)
 			(0 << STM_USB_CNTR_PDWN) |
 			(0 << STM_USB_CNTR_FRES));
 
+	for (t = 0; t < 1000; t++)
+		ao_arch_nop();
 	/* Enable USB pull-up */
 	stm_syscfg.pmc |= (1 << STM_SYSCFG_PMC_USB_PU);
 }