C++ (Cpp) hwspin_lock_request Examples

Example #1

static int __init test_hwspinlock_init(void)
{
	hwlock = hwspin_lock_request();
	if (!hwlock) {
		pr_err("%s: request failed\n", __func__);
		return -1;
	}

	pr_info("%s: requested lock %d\n", __func__, hwspin_lock_get_id(hwlock));

	return 0;
}

Example #2

File: board-omap4panda.c Project: alessandroste/testBSP

static void __init omap_i2c_hwspinlock_init(int bus_id, int spinlock_id,
					struct omap_i2c_bus_board_data *pdata)
{
	/* spinlock_id should be -1 for a generic lock request */
	if (spinlock_id < 0)
		pdata->handle = hwspin_lock_request();
	else
		pdata->handle = hwspin_lock_request_specific(spinlock_id);

	if (pdata->handle != NULL) {
		pdata->hwspin_lock_timeout = hwspin_lock_timeout;
		pdata->hwspin_unlock = hwspin_unlock;
	} else {
		pr_err("I2C hwspinlock request failed for bus %d\n", bus_id);
	}
}