50 lines
1.3 KiB
C
50 lines
1.3 KiB
C
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/*
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* Copyright (C) 2010 STMicroelectronics
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* Author: Francesco M. Virlinzi <francesco.virlinzi@st.com>
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*
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* May be copied or modified under the terms of the GNU General Public
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* License V.2 ONLY. See linux/COPYING for more information.
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*/
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#include <linux/stm/wakeup_devices.h>
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#include <linux/device.h>
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#include <linux/platform_device.h>
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static void stm_wake_init(struct stm_wakeup_devices *wkd)
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{
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wkd->lirc_can_wakeup = 0;
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wkd->hdmi_can_wakeup = 0;
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wkd->eth_phy_can_wakeup = 0;
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wkd->eth1_phy_can_wakeup = 0;
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}
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static int __check_wakeup_device(struct device *dev, void *data)
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{
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struct stm_wakeup_devices *wkd = (struct stm_wakeup_devices *)data;
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if (device_may_wakeup(dev)) {
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pr_info("[STM][PM] -> device %s can wakeup\n", dev_name(dev));
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if (!strcmp(dev_name(dev), "lirc"))
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wkd->lirc_can_wakeup = 1;
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else if (!strcmp(dev_name(dev), "hdmi"))
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wkd->hdmi_can_wakeup = 1;
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else if (!strcmp(dev_name(dev), "stmmaceth"))
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wkd->eth_phy_can_wakeup = 1;
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else if (!strcmp(dev_name(dev), "stmmaceth.0"))
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wkd->eth_phy_can_wakeup = 1;
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else if (!strcmp(dev_name(dev), "stmmaceth.1"))
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wkd->eth1_phy_can_wakeup = 1;
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}
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return 0;
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}
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int stm_check_wakeup_devices(struct stm_wakeup_devices *wkd)
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{
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stm_wake_init(wkd);
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bus_for_each_dev(&platform_bus_type, NULL, wkd, __check_wakeup_device);
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return 0;
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}
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EXPORT_SYMBOL(stm_check_wakeup_devices);
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