Cleanup

Author: usbalbin

examples/usb_serial.rs

@@ -41,11 +41,7 @@ fn main() -> ! {
     let usb_dm = gpioa.pa11.into_alternate();
     let usb_dp = gpioa.pa12.into_alternate();
 
-    let usb = dp.USB.usb(
-        ccdr.peripheral.USB, /*.kernel_clk_mux(USBSEL::Pll2Q)*/
-        usb_dm,
-        usb_dp,
-    );
+    let usb = dp.USB.usb(ccdr.peripheral.USB, usb_dm, usb_dp);
     let usb_bus = UsbBus::new(usb);
 
     let mut serial = SerialPort::new(&usb_bus);

src/usb.rs

@@ -28,8 +28,6 @@ impl UsbExt for stm32::USB {
             rec.kernel_clk_mux(USBSEL::Hsi48);
         };
 
-        //rec.enable().reset(); is this done by UsbPeripheral::enable()
-
         Peripheral {
             _usb: self,
             pin_dm,