Use clock_prescale_set() from avr-libc (#7540)

* Use `clock_prescale_set()` from avr-libc * Remove outdated FAQ info
2019-12-11 12:26:40 +11:00
parent 172fbd48ab
commit 1378e0de96
1 changed files with 2 additions and 5 deletions
@@ -1028,14 +1028,11 @@ void virtser_send(const uint8_t byte) {
 */
 static void setup_mcu(void) {
    /* Disable watchdog if enabled by bootloader/fuses */
-    MCUSR &= ~(1 << WDRF);
+    MCUSR &= ~_BV(WDRF);
    wdt_disable();

    /* Disable clock division */
-    // clock_prescale_set(clock_div_1);
-
-    CLKPR = (1 << CLKPCE);
-    CLKPR = (0 << CLKPS3) | (0 << CLKPS2) | (0 << CLKPS1) | (0 << CLKPS0);
+    clock_prescale_set(clock_div_1);
 }

 /** \brief Setup USB