target/linux/ramips/base-files/etc/init.d/set-irq-affinity

   1 #!/bin/sh /etc/rc.common
   2
   3 START=99
   4
   5 get_irq() {
   6         local name="$1"
   7         grep -m 1 "$name" /proc/interrupts | cut -d: -f1 | sed 's, *,,'
   8 }
   9
  10 set_irq_affinity() {
  11         local name="$1"
  12         local val="$2"
  13         local irq="$(get_irq "$name")"
  14         [ -n "$irq" ] || return
  15         echo "$val" > "/proc/irq/$irq/smp_affinity"
  16 }
  17
  18 start() {
  19         if grep -q 'processor.*: 2' /proc/cpuinfo; then
  20                 mask1=4
  21                 mask2=8
  22         elif grep -q 'processor.*: 1' /proc/cpuinfo; then
  23                 mask1=2
  24                 mask2=2
  25         else
  26                 return
  27         fi
  28
  29         set_irq_affinity mt76x2e $mask1
  30         set_irq_affinity mt7603e $mask2
  31 }