altos/stm: Semantic error in STM usb disable caused it to not work

[fw/altos] / src / stm / ao_usb_stm.c

diff --git a/src/stm/ao_usb_stm.c b/src/stm/ao_usb_stm.c
index b00390ec0318b14901a68156ad29597df5b08f2f..28a9f9f3e4643beac09b0db8a0dcf6e56c348fc9 100644 (file)
--- a/src/stm/ao_usb_stm.c
+++ b/src/stm/ao_usb_stm.c
@@ -965,7 +965,7 @@ ao_usb_disable(void)
        stm_usb.cntr = (1 << STM_USB_CNTR_PDWN) | (1 << STM_USB_CNTR_FRES);
 
        /* Disable the interface */
-       stm_rcc.apb1enr &+ ~(1 << STM_RCC_APB1ENR_USBEN);
+       stm_rcc.apb1enr &= ~(1 << STM_RCC_APB1ENR_USBEN);
        ao_arch_release_interrupts();
 }