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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2013 Sascha Hauer <s.hauer@pengutronix.de>
*/
#include <common.h>
#include <driver.h>
#include <init.h>
#include <malloc.h>
#include <of.h>
#include <state.h>
#include <linux/err.h>
static int state_probe(struct device_d *dev)
{
struct device_node *np = dev->device_node;
struct state *state;
bool readonly = false;
int ret;
state = state_new_from_node(np, readonly);
if (IS_ERR(state)) {
int ret = PTR_ERR(state);
if (ret == -ENODEV)
ret = -EPROBE_DEFER;
return ret;
}
ret = state_load(state);
if (ret)
dev_warn(dev, "Failed to load persistent state, continuing with defaults, %d\n",
ret);
return 0;
}
static __maybe_unused struct of_device_id state_ids[] = {
{
.compatible = "barebox,state",
}, {
/* sentinel */
}
};
static struct driver_d state_driver = {
.name = "state",
.probe = state_probe,
.of_compatible = DRV_OF_COMPAT(state_ids),
};
device_platform_driver(state_driver);
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