xref: /kernel/linux/linux-6.6/Documentation/firmware_class/hotplug-script
  • Home
  • History
  • Annotate Annotate
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
  • only in /kernel/linux/linux-6.6/Documentation/firmware_class/
162306a36Sopenharmony_ci#!/bin/sh
262306a36Sopenharmony_ci
362306a36Sopenharmony_ci# Simple hotplug script sample:
462306a36Sopenharmony_ci# 
562306a36Sopenharmony_ci# Both $DEVPATH and $FIRMWARE are already provided in the environment.
662306a36Sopenharmony_ci
762306a36Sopenharmony_ciHOTPLUG_FW_DIR=/usr/lib/hotplug/firmware/
862306a36Sopenharmony_ci
962306a36Sopenharmony_ciif [ "$SUBSYSTEM" == "firmware" -a "$ACTION" == "add" ]; then
1062306a36Sopenharmony_ci  if [ -f $HOTPLUG_FW_DIR/$FIRMWARE ]; then
1162306a36Sopenharmony_ci    echo 1 > /sys/$DEVPATH/loading
1262306a36Sopenharmony_ci    cat $HOTPLUG_FW_DIR/$FIRMWARE > /sys/$DEVPATH/data
1362306a36Sopenharmony_ci    echo 0 > /sys/$DEVPATH/loading
1462306a36Sopenharmony_ci  else
1562306a36Sopenharmony_ci    echo -1 > /sys/$DEVPATH/loading
1662306a36Sopenharmony_ci  fi
1762306a36Sopenharmony_cifi
18

Indexes created Thu Nov 07 10:32:03 CST 2024