cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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ledtrig-mtd.c (915B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/*
      3 * LED MTD trigger
      4 *
      5 * Copyright 2016 Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
      6 *
      7 * Based on LED IDE-Disk Activity Trigger
      8 *
      9 * Copyright 2006 Openedhand Ltd.
     10 *
     11 * Author: Richard Purdie <rpurdie@openedhand.com>
     12 */
     13
     14#include <linux/kernel.h>
     15#include <linux/init.h>
     16#include <linux/leds.h>
     17
     18#define BLINK_DELAY 30
     19
     20DEFINE_LED_TRIGGER(ledtrig_mtd);
     21DEFINE_LED_TRIGGER(ledtrig_nand);
     22
     23void ledtrig_mtd_activity(void)
     24{
     25	unsigned long blink_delay = BLINK_DELAY;
     26
     27	led_trigger_blink_oneshot(ledtrig_mtd,
     28				  &blink_delay, &blink_delay, 0);
     29	led_trigger_blink_oneshot(ledtrig_nand,
     30				  &blink_delay, &blink_delay, 0);
     31}
     32EXPORT_SYMBOL(ledtrig_mtd_activity);
     33
     34static int __init ledtrig_mtd_init(void)
     35{
     36	led_trigger_register_simple("mtd", &ledtrig_mtd);
     37	led_trigger_register_simple("nand-disk", &ledtrig_nand);
     38
     39	return 0;
     40}
     41device_initcall(ledtrig_mtd_init);