satip-axe/kernel/drivers/stm/wakeup_devices.c
2015-03-26 17:24:57 +01:00

50 lines
1.3 KiB
C

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