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-rw-r--r--os/hal/ports/STM32/LLD/OTGv1/hal_usb_lld.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/os/hal/ports/STM32/LLD/OTGv1/hal_usb_lld.c b/os/hal/ports/STM32/LLD/OTGv1/hal_usb_lld.c
index 0357d1855..0b20805e0 100644
--- a/os/hal/ports/STM32/LLD/OTGv1/hal_usb_lld.c
+++ b/os/hal/ports/STM32/LLD/OTGv1/hal_usb_lld.c
@@ -140,6 +140,7 @@ static void otg_core_reset(USBDriver *usbp) {
/* Core reset and delay of at least 3 PHY cycles.*/
otgp->GRSTCTL = GRSTCTL_CSRST;
+ osalSysPolledDelayX(12);
while ((otgp->GRSTCTL & GRSTCTL_CSRST) != 0)
;