Exemplo n.º 1
0
static int __devexit pil_dsps_driver_exit(struct platform_device *pdev)
{
	struct dsps_data *drv = platform_get_drvdata(pdev);
	smsm_state_cb_deregister(SMSM_DSPS_STATE, SMSM_RESET,
				 dsps_smsm_state_cb, drv);
	subsys_unregister(drv->subsys);
	destroy_ramdump_device(drv->smem_ramdump_dev);
	destroy_ramdump_device(drv->ramdump_dev);
	pil_desc_release(&drv->desc);
	return 0;
}
static int __devexit pil_riva_remove(struct platform_device *pdev)
{
	struct riva_data *drv = platform_get_drvdata(pdev);

	subsys_unregister(drv->subsys);
	destroy_ramdump_device(drv->ramdump_dev);
	smsm_state_cb_deregister(SMSM_WCNSS_STATE, SMSM_RESET,
					smsm_state_cb_hdlr, drv);
	pil_desc_release(&drv->pil_desc);

	return 0;
}
Exemplo n.º 3
0
static int modem_shutdown(const struct subsys_data *subsys)
{
	void __iomem *q6_fw_wdog_addr;
	void __iomem *q6_sw_wdog_addr;
	int smsm_notif_unregistered = 0;

	if (!(smsm_get_state(SMSM_MODEM_STATE) & SMSM_RESET)) {
		smsm_state_cb_deregister(SMSM_MODEM_STATE, SMSM_RESET,
			smsm_state_cb, 0);
		smsm_notif_unregistered = 1;
		smsm_reset_modem(SMSM_RESET);
	}

	/*
	 * Cancel any pending wdog_check work items, since we're shutting
	 * down anyway.
	 */
	cancel_delayed_work(&modem_wdog_check_work);

	/*
	 * Disable the modem watchdog since it keeps running even after the
	 * modem is shutdown.
	 */
	q6_fw_wdog_addr = ioremap_nocache(Q6_FW_WDOG_ENABLE, 4);
	if (!q6_fw_wdog_addr)
		return -ENOMEM;

	q6_sw_wdog_addr = ioremap_nocache(Q6_SW_WDOG_ENABLE, 4);
	if (!q6_sw_wdog_addr) {
		iounmap(q6_fw_wdog_addr);
		return -ENOMEM;
	}

	writel_relaxed(0x0, q6_fw_wdog_addr);
	writel_relaxed(0x0, q6_sw_wdog_addr);
	mb();
	iounmap(q6_sw_wdog_addr);
	iounmap(q6_fw_wdog_addr);

	pil_force_shutdown("modem");
	pil_force_shutdown("modem_fw");
	disable_irq_nosync(Q6FW_WDOG_EXPIRED_IRQ);
	disable_irq_nosync(Q6SW_WDOG_EXPIRED_IRQ);

	if (smsm_notif_unregistered)
		smsm_state_cb_register(SMSM_MODEM_STATE, SMSM_RESET,
			smsm_state_cb, 0);

	return 0;
}
Exemplo n.º 4
0
static int pil_q6v4_modem_driver_exit(struct platform_device *pdev)
{
	struct q6v4_modem *drv = platform_get_drvdata(pdev);

	smsm_state_cb_deregister(SMSM_MODEM_STATE, SMSM_RESET,
			smsm_state_cb, drv);
	subsys_unregister(drv->subsys);
	destroy_ramdump_device(drv->smem_ramdump_dev);
	destroy_ramdump_device(drv->sw_ramdump_dev);
	destroy_ramdump_device(drv->fw_ramdump_dev);
	if (drv->loadable) {
		msm_pil_unregister(drv->q6_sw.pil);
		msm_pil_unregister(drv->q6_fw.pil);
	}
	return 0;
}
static int __init riva_ssr_module_init(void)
{
	int ret;

	ret = smsm_state_cb_register(SMSM_WCNSS_STATE, SMSM_RESET,
					smsm_state_cb_hdlr, 0);
	if (ret < 0) {
		pr_err("%s: Unable to register smsm callback for Riva Reset!"
				" (%d)\n", MODULE_NAME, ret);
		goto out;
	}
	ret = request_irq(RIVA_APSS_WDOG_BITE_RESET_RDY_IRQ,
			riva_wdog_bite_irq_hdlr, IRQF_TRIGGER_HIGH,
				"riva_wdog", NULL);

	if (ret < 0) {
		pr_err("%s: Unable to register for Riva bite interrupt"
				" (%d)\n", MODULE_NAME, ret);
		goto out1;
	}
	ret = riva_restart_init();
	if (ret < 0) {
		pr_err("%s: Unable to register with ssr. (%d)\n",
				MODULE_NAME, ret);
		goto out2;
	}
	riva_ramdump_dev = create_ramdump_device("riva");
	if (!riva_ramdump_dev) {
		pr_err("%s: Unable to create ramdump device.\n",
				MODULE_NAME);
		ret = -ENOMEM;
		goto out2;
	}
	INIT_DELAYED_WORK(&cancel_vote_work, riva_post_bootup);

	pr_info("%s: module initialized\n", MODULE_NAME);

	return ret;
out2:
	free_irq(RIVA_APSS_WDOG_BITE_RESET_RDY_IRQ, NULL);
out1:
	smsm_state_cb_deregister(SMSM_WCNSS_STATE, SMSM_RESET,
					smsm_state_cb_hdlr, 0);
out:
	return ret;
}
static int __devinit pil_riva_probe(struct platform_device *pdev)
{
	struct riva_data *drv;
	struct resource *res;
	struct pil_desc *desc;
	int ret;

	drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL);
	if (!drv)
		return -ENOMEM;
	platform_set_drvdata(pdev, drv);


	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
	drv->base = devm_request_and_ioremap(&pdev->dev, res);
	if (!drv->base)
		return -ENOMEM;

	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
	drv->cbase = devm_request_and_ioremap(&pdev->dev, res);
	if (!drv->cbase)
		return -ENOMEM;

	drv->pll_supply = devm_regulator_get(&pdev->dev, "pll_vdd");
	if (IS_ERR(drv->pll_supply)) {
		dev_err(&pdev->dev, "failed to get pll supply\n");
		return PTR_ERR(drv->pll_supply);
	}
	if (regulator_count_voltages(drv->pll_supply) > 0) {
		ret = regulator_set_voltage(drv->pll_supply, 1800000, 1800000);
		if (ret) {
			dev_err(&pdev->dev,
				"failed to set pll supply voltage\n");
			return ret;
		}

		ret = regulator_set_optimum_mode(drv->pll_supply, 100000);
		if (ret < 0) {
			dev_err(&pdev->dev,
				"failed to set pll supply optimum mode\n");
			return ret;
		}
	}

	drv->irq = platform_get_irq(pdev, 0);
	if (drv->irq < 0)
		return drv->irq;

	drv->xo = devm_clk_get(&pdev->dev, "cxo");
	if (IS_ERR(drv->xo))
		return PTR_ERR(drv->xo);

	desc = &drv->pil_desc;
	desc->name = "wcnss";
	desc->dev = &pdev->dev;
	desc->owner = THIS_MODULE;
	desc->proxy_timeout = 10000;

	if (pas_supported(PAS_WCNSS) > 0) {
		desc->ops = &pil_riva_ops_trusted;
		dev_info(&pdev->dev, "using secure boot\n");
	} else {
		desc->ops = &pil_riva_ops;
		dev_info(&pdev->dev, "using non-secure boot\n");
	}
	ret = pil_desc_init(desc);

	ret = smsm_state_cb_register(SMSM_WCNSS_STATE, SMSM_RESET,
					smsm_state_cb_hdlr, drv);
	if (ret < 0)
		goto err_smsm;

	drv->subsys_desc.name = "wcnss";
	drv->subsys_desc.dev = &pdev->dev;
	drv->subsys_desc.owner = THIS_MODULE;
	drv->subsys_desc.start = riva_start;
	drv->subsys_desc.stop = riva_stop;
	drv->subsys_desc.shutdown = riva_shutdown;
	drv->subsys_desc.powerup = riva_powerup;
	drv->subsys_desc.ramdump = riva_ramdump;
	drv->subsys_desc.crash_shutdown = riva_crash_shutdown;

	INIT_DELAYED_WORK(&drv->cancel_work, riva_post_bootup);

	drv->ramdump_dev = create_ramdump_device("riva", &pdev->dev);
	if (!drv->ramdump_dev) {
		ret = -ENOMEM;
		goto err_ramdump;
	}

	drv->subsys = subsys_register(&drv->subsys_desc);
	if (IS_ERR(drv->subsys)) {
		ret = PTR_ERR(drv->subsys);
		goto err_subsys;
	}

	scm_pas_init(MSM_BUS_MASTER_SPS);

	ret = devm_request_irq(&pdev->dev, drv->irq, riva_wdog_bite_irq_hdlr,
			IRQF_TRIGGER_RISING, "riva_wdog", drv);
	if (ret < 0)
		goto err;

	return 0;
err:
	subsys_unregister(drv->subsys);
err_subsys:
	destroy_ramdump_device(drv->ramdump_dev);
err_ramdump:
	smsm_state_cb_deregister(SMSM_WCNSS_STATE, SMSM_RESET,
					smsm_state_cb_hdlr, drv);
err_smsm:
	pil_desc_release(desc);
	return ret;
}
Exemplo n.º 7
0
/**
 * platform driver
 *
 */
static int __devinit dsps_probe(struct platform_device *pdev)
{
	int ret;

	pr_debug("%s.\n", __func__);

	if (pdev->dev.platform_data == NULL) {
		pr_err("%s: platform data is NULL.\n", __func__);
		return -ENODEV;
	}

	drv = kzalloc(sizeof(*drv), GFP_KERNEL);
	if (drv == NULL) {
		pr_err("%s: kzalloc fail.\n", __func__);
		goto alloc_err;
	}
	drv->pdata = pdev->dev.platform_data;

	drv->dev_class = class_create(THIS_MODULE, DRV_NAME);
	if (drv->dev_class == NULL) {
		pr_err("%s: class_create fail.\n", __func__);
		goto res_err;
	}

	ret = alloc_chrdev_region(&drv->dev_num, 0, 1, DRV_NAME);
	if (ret) {
		pr_err("%s: alloc_chrdev_region fail.\n", __func__);
		goto alloc_chrdev_region_err;
	}

	drv->dev = device_create(drv->dev_class, NULL,
				     drv->dev_num,
				     drv, DRV_NAME);
	if (IS_ERR(drv->dev)) {
		pr_err("%s: device_create fail.\n", __func__);
		goto device_create_err;
	}

	drv->cdev = cdev_alloc();
	if (drv->cdev == NULL) {
		pr_err("%s: cdev_alloc fail.\n", __func__);
		goto cdev_alloc_err;
	}
	cdev_init(drv->cdev, &dsps_fops);
	drv->cdev->owner = THIS_MODULE;

	ret = cdev_add(drv->cdev, drv->dev_num, 1);
	if (ret) {
		pr_err("%s: cdev_add fail.\n", __func__);
		goto cdev_add_err;
	}

	ret = dsps_alloc_resources(pdev);
	if (ret) {
		pr_err("%s: failed to allocate dsps resources.\n", __func__);
		goto cdev_add_err;
	}

	ret =
	    smsm_state_cb_register(SMSM_DSPS_STATE, SMSM_RESET,
				   dsps_smsm_state_cb, 0);
	if (ret) {
		pr_err("%s: smsm_state_cb_register fail %d\n", __func__,
		       ret);
		goto smsm_register_err;
	}

	ret = ssr_register_subsystem(&dsps_ssrops);
	if (ret) {
		pr_err("%s: ssr_register_subsystem fail %d\n", __func__,
		       ret);
		goto ssr_register_err;
	}

	return 0;

ssr_register_err:
	smsm_state_cb_deregister(SMSM_DSPS_STATE, SMSM_RESET,
				 dsps_smsm_state_cb,
				 0);
smsm_register_err:
	cdev_del(drv->cdev);
cdev_add_err:
	kfree(drv->cdev);
cdev_alloc_err:
	device_destroy(drv->dev_class, drv->dev_num);
device_create_err:
	unregister_chrdev_region(drv->dev_num, 1);
alloc_chrdev_region_err:
	class_destroy(drv->dev_class);
res_err:
	kfree(drv);
	drv = NULL;
alloc_err:
	return -ENODEV;
}
static int debug_test_smsm(char *buf, int max)
{
	int i = 0;
	int test_num = 0;
	int ret;

	/* Test case 1 - Register new callback for notification */
	do {
		test_num++;
		SMSM_CB_TEST_INIT();
		ret = smsm_state_cb_register(SMSM_APPS_STATE, SMSM_SMDINIT,
				smsm_state_cb, (void *)0x1234);
		UT_EQ_INT(ret, 0);

		/* de-assert SMSM_SMD_INIT to trigger state update */
		UT_EQ_INT(smsm_cb_data.cb_count, 0);
		INIT_COMPLETION(smsm_cb_completion);
		smsm_change_state(SMSM_APPS_STATE, SMSM_SMDINIT, 0x0);
		UT_GT_INT((int)wait_for_completion_timeout(&smsm_cb_completion,
					msecs_to_jiffies(20)), 0);

		UT_EQ_INT(smsm_cb_data.cb_count, 1);
		UT_EQ_INT(smsm_cb_data.old_state & SMSM_SMDINIT, SMSM_SMDINIT);
		UT_EQ_INT(smsm_cb_data.new_state & SMSM_SMDINIT, 0x0);
		UT_EQ_INT((int)smsm_cb_data.data, 0x1234);

		/* re-assert SMSM_SMD_INIT to trigger state update */
		INIT_COMPLETION(smsm_cb_completion);
		smsm_change_state(SMSM_APPS_STATE, 0x0, SMSM_SMDINIT);
		UT_GT_INT((int)wait_for_completion_timeout(&smsm_cb_completion,
					msecs_to_jiffies(20)), 0);
		UT_EQ_INT(smsm_cb_data.cb_count, 2);
		UT_EQ_INT(smsm_cb_data.old_state & SMSM_SMDINIT, 0x0);
		UT_EQ_INT(smsm_cb_data.new_state & SMSM_SMDINIT, SMSM_SMDINIT);

		/* deregister callback */
		ret = smsm_state_cb_deregister(SMSM_APPS_STATE, SMSM_SMDINIT,
				smsm_state_cb, (void *)0x1234);
		UT_EQ_INT(ret, 2);

		/* make sure state change doesn't cause any more callbacks */
		INIT_COMPLETION(smsm_cb_completion);
		smsm_change_state(SMSM_APPS_STATE, SMSM_SMDINIT, 0x0);
		smsm_change_state(SMSM_APPS_STATE, 0x0, SMSM_SMDINIT);
		UT_EQ_INT((int)wait_for_completion_timeout(&smsm_cb_completion,
					msecs_to_jiffies(20)), 0);
		UT_EQ_INT(smsm_cb_data.cb_count, 2);

		i += scnprintf(buf + i, max - i, "Test %d - PASS\n", test_num);
	} while (0);

	/* Test case 2 - Update already registered callback */
	do {
		test_num++;
		SMSM_CB_TEST_INIT();
		ret = smsm_state_cb_register(SMSM_APPS_STATE, SMSM_SMDINIT,
				smsm_state_cb, (void *)0x1234);
		UT_EQ_INT(ret, 0);
		ret = smsm_state_cb_register(SMSM_APPS_STATE, SMSM_INIT,
				smsm_state_cb, (void *)0x1234);
		UT_EQ_INT(ret, 1);

		/* verify both callback bits work */
		INIT_COMPLETION(smsm_cb_completion);
		UT_EQ_INT(smsm_cb_data.cb_count, 0);
		smsm_change_state(SMSM_APPS_STATE, SMSM_SMDINIT, 0x0);
		UT_GT_INT((int)wait_for_completion_timeout(&smsm_cb_completion,
					msecs_to_jiffies(20)), 0);
		UT_EQ_INT(smsm_cb_data.cb_count, 1);
		INIT_COMPLETION(smsm_cb_completion);
		smsm_change_state(SMSM_APPS_STATE, 0x0, SMSM_SMDINIT);
		UT_GT_INT((int)wait_for_completion_timeout(&smsm_cb_completion,
					msecs_to_jiffies(20)), 0);
		UT_EQ_INT(smsm_cb_data.cb_count, 2);

		INIT_COMPLETION(smsm_cb_completion);
		smsm_change_state(SMSM_APPS_STATE, SMSM_INIT, 0x0);
		UT_GT_INT((int)wait_for_completion_timeout(&smsm_cb_completion,
					msecs_to_jiffies(20)), 0);
		UT_EQ_INT(smsm_cb_data.cb_count, 3);
		INIT_COMPLETION(smsm_cb_completion);
		smsm_change_state(SMSM_APPS_STATE, 0x0, SMSM_INIT);
		UT_GT_INT((int)wait_for_completion_timeout(&smsm_cb_completion,
					msecs_to_jiffies(20)), 0);
		UT_EQ_INT(smsm_cb_data.cb_count, 4);

		/* deregister 1st callback */
		ret = smsm_state_cb_deregister(SMSM_APPS_STATE, SMSM_SMDINIT,
				smsm_state_cb, (void *)0x1234);
		UT_EQ_INT(ret, 1);
		INIT_COMPLETION(smsm_cb_completion);
		smsm_change_state(SMSM_APPS_STATE, SMSM_SMDINIT, 0x0);
		smsm_change_state(SMSM_APPS_STATE, 0x0, SMSM_SMDINIT);
		UT_EQ_INT((int)wait_for_completion_timeout(&smsm_cb_completion,
					msecs_to_jiffies(20)), 0);
		UT_EQ_INT(smsm_cb_data.cb_count, 4);

		INIT_COMPLETION(smsm_cb_completion);
		smsm_change_state(SMSM_APPS_STATE, SMSM_INIT, 0x0);
		UT_GT_INT((int)wait_for_completion_timeout(&smsm_cb_completion,
					msecs_to_jiffies(20)), 0);
		UT_EQ_INT(smsm_cb_data.cb_count, 5);
		INIT_COMPLETION(smsm_cb_completion);
		smsm_change_state(SMSM_APPS_STATE, 0x0, SMSM_INIT);
		UT_GT_INT((int)wait_for_completion_timeout(&smsm_cb_completion,
					msecs_to_jiffies(20)), 0);
		UT_EQ_INT(smsm_cb_data.cb_count, 6);

		/* deregister 2nd callback */
		ret = smsm_state_cb_deregister(SMSM_APPS_STATE, SMSM_INIT,
				smsm_state_cb, (void *)0x1234);
		UT_EQ_INT(ret, 2);

		/* make sure state change doesn't cause any more callbacks */
		INIT_COMPLETION(smsm_cb_completion);
		smsm_change_state(SMSM_APPS_STATE, SMSM_INIT, 0x0);
		smsm_change_state(SMSM_APPS_STATE, 0x0, SMSM_INIT);
		UT_EQ_INT((int)wait_for_completion_timeout(&smsm_cb_completion,
					msecs_to_jiffies(20)), 0);
		UT_EQ_INT(smsm_cb_data.cb_count, 6);

		i += scnprintf(buf + i, max - i, "Test %d - PASS\n", test_num);
	} while (0);

	/* Test case 3 - Two callback registrations with different data */
	do {
		test_num++;
		SMSM_CB_TEST_INIT();
		ret = smsm_state_cb_register(SMSM_APPS_STATE, SMSM_SMDINIT,
				smsm_state_cb, (void *)0x1234);
		UT_EQ_INT(ret, 0);
		ret = smsm_state_cb_register(SMSM_APPS_STATE, SMSM_INIT,
				smsm_state_cb, (void *)0x3456);
		UT_EQ_INT(ret, 0);

		/* verify both callbacks work */
		INIT_COMPLETION(smsm_cb_completion);
		UT_EQ_INT(smsm_cb_data.cb_count, 0);
		smsm_change_state(SMSM_APPS_STATE, SMSM_SMDINIT, 0x0);
		UT_GT_INT((int)wait_for_completion_timeout(&smsm_cb_completion,
					msecs_to_jiffies(20)), 0);
		UT_EQ_INT(smsm_cb_data.cb_count, 1);
		UT_EQ_INT((int)smsm_cb_data.data, 0x1234);

		INIT_COMPLETION(smsm_cb_completion);
		smsm_change_state(SMSM_APPS_STATE, SMSM_INIT, 0x0);
		UT_GT_INT((int)wait_for_completion_timeout(&smsm_cb_completion,
					msecs_to_jiffies(20)), 0);
		UT_EQ_INT(smsm_cb_data.cb_count, 2);
		UT_EQ_INT((int)smsm_cb_data.data, 0x3456);

		/* cleanup and unregister
		 * degregister in reverse to verify data field is
		 * being used
		 */
		smsm_change_state(SMSM_APPS_STATE, 0x0, SMSM_SMDINIT);
		smsm_change_state(SMSM_APPS_STATE, 0x0, SMSM_INIT);
		ret = smsm_state_cb_deregister(SMSM_APPS_STATE,
				SMSM_INIT,
				smsm_state_cb, (void *)0x3456);
		UT_EQ_INT(ret, 2);
		ret = smsm_state_cb_deregister(SMSM_APPS_STATE,
				SMSM_SMDINIT,
				smsm_state_cb, (void *)0x1234);
		UT_EQ_INT(ret, 2);

		i += scnprintf(buf + i, max - i, "Test %d - PASS\n", test_num);
	} while (0);

	return i;
}
Exemplo n.º 9
0
static int debug_test_smsm(char *buf, int max)
{
	int i = 0;
	int test_num = 0;
	int ret;

	
	do {
		test_num++;
		SMSM_CB_TEST_INIT();
		ret = smsm_state_cb_register(SMSM_APPS_STATE, SMSM_SMDINIT,
				smsm_state_cb, (void *)0x1234);
		UT_EQ_INT(ret, 0);

		
		UT_EQ_INT(smsm_cb_data.cb_count, 0);
		INIT_COMPLETION(smsm_cb_completion);
		smsm_change_state(SMSM_APPS_STATE, SMSM_SMDINIT, 0x0);
		UT_GT_INT((int)wait_for_completion_timeout(&smsm_cb_completion,
					msecs_to_jiffies(20)), 0);

		UT_EQ_INT(smsm_cb_data.cb_count, 1);
		UT_EQ_INT(smsm_cb_data.old_state & SMSM_SMDINIT, SMSM_SMDINIT);
		UT_EQ_INT(smsm_cb_data.new_state & SMSM_SMDINIT, 0x0);
		UT_EQ_INT((int)smsm_cb_data.data, 0x1234);

		
		INIT_COMPLETION(smsm_cb_completion);
		smsm_change_state(SMSM_APPS_STATE, 0x0, SMSM_SMDINIT);
		UT_GT_INT((int)wait_for_completion_timeout(&smsm_cb_completion,
					msecs_to_jiffies(20)), 0);
		UT_EQ_INT(smsm_cb_data.cb_count, 2);
		UT_EQ_INT(smsm_cb_data.old_state & SMSM_SMDINIT, 0x0);
		UT_EQ_INT(smsm_cb_data.new_state & SMSM_SMDINIT, SMSM_SMDINIT);

		
		ret = smsm_state_cb_deregister(SMSM_APPS_STATE, SMSM_SMDINIT,
				smsm_state_cb, (void *)0x1234);
		UT_EQ_INT(ret, 2);

		
		INIT_COMPLETION(smsm_cb_completion);
		smsm_change_state(SMSM_APPS_STATE, SMSM_SMDINIT, 0x0);
		smsm_change_state(SMSM_APPS_STATE, 0x0, SMSM_SMDINIT);
		UT_EQ_INT((int)wait_for_completion_timeout(&smsm_cb_completion,
					msecs_to_jiffies(20)), 0);
		UT_EQ_INT(smsm_cb_data.cb_count, 2);

		i += scnprintf(buf + i, max - i, "Test %d - PASS\n", test_num);
	} while (0);

	
	do {
		test_num++;
		SMSM_CB_TEST_INIT();
		ret = smsm_state_cb_register(SMSM_APPS_STATE, SMSM_SMDINIT,
				smsm_state_cb, (void *)0x1234);
		UT_EQ_INT(ret, 0);
		ret = smsm_state_cb_register(SMSM_APPS_STATE, SMSM_INIT,
				smsm_state_cb, (void *)0x1234);
		UT_EQ_INT(ret, 1);

		
		INIT_COMPLETION(smsm_cb_completion);
		UT_EQ_INT(smsm_cb_data.cb_count, 0);
		smsm_change_state(SMSM_APPS_STATE, SMSM_SMDINIT, 0x0);
		UT_GT_INT((int)wait_for_completion_timeout(&smsm_cb_completion,
					msecs_to_jiffies(20)), 0);
		UT_EQ_INT(smsm_cb_data.cb_count, 1);
		INIT_COMPLETION(smsm_cb_completion);
		smsm_change_state(SMSM_APPS_STATE, 0x0, SMSM_SMDINIT);
		UT_GT_INT((int)wait_for_completion_timeout(&smsm_cb_completion,
					msecs_to_jiffies(20)), 0);
		UT_EQ_INT(smsm_cb_data.cb_count, 2);

		INIT_COMPLETION(smsm_cb_completion);
		smsm_change_state(SMSM_APPS_STATE, SMSM_INIT, 0x0);
		UT_GT_INT((int)wait_for_completion_timeout(&smsm_cb_completion,
					msecs_to_jiffies(20)), 0);
		UT_EQ_INT(smsm_cb_data.cb_count, 3);
		INIT_COMPLETION(smsm_cb_completion);
		smsm_change_state(SMSM_APPS_STATE, 0x0, SMSM_INIT);
		UT_GT_INT((int)wait_for_completion_timeout(&smsm_cb_completion,
					msecs_to_jiffies(20)), 0);
		UT_EQ_INT(smsm_cb_data.cb_count, 4);

		
		ret = smsm_state_cb_deregister(SMSM_APPS_STATE, SMSM_SMDINIT,
				smsm_state_cb, (void *)0x1234);
		UT_EQ_INT(ret, 1);
		INIT_COMPLETION(smsm_cb_completion);
		smsm_change_state(SMSM_APPS_STATE, SMSM_SMDINIT, 0x0);
		smsm_change_state(SMSM_APPS_STATE, 0x0, SMSM_SMDINIT);
		UT_EQ_INT((int)wait_for_completion_timeout(&smsm_cb_completion,
					msecs_to_jiffies(20)), 0);
		UT_EQ_INT(smsm_cb_data.cb_count, 4);

		INIT_COMPLETION(smsm_cb_completion);
		smsm_change_state(SMSM_APPS_STATE, SMSM_INIT, 0x0);
		UT_GT_INT((int)wait_for_completion_timeout(&smsm_cb_completion,
					msecs_to_jiffies(20)), 0);
		UT_EQ_INT(smsm_cb_data.cb_count, 5);
		INIT_COMPLETION(smsm_cb_completion);
		smsm_change_state(SMSM_APPS_STATE, 0x0, SMSM_INIT);
		UT_GT_INT((int)wait_for_completion_timeout(&smsm_cb_completion,
					msecs_to_jiffies(20)), 0);
		UT_EQ_INT(smsm_cb_data.cb_count, 6);

		
		ret = smsm_state_cb_deregister(SMSM_APPS_STATE, SMSM_INIT,
				smsm_state_cb, (void *)0x1234);
		UT_EQ_INT(ret, 2);

		
		INIT_COMPLETION(smsm_cb_completion);
		smsm_change_state(SMSM_APPS_STATE, SMSM_INIT, 0x0);
		smsm_change_state(SMSM_APPS_STATE, 0x0, SMSM_INIT);
		UT_EQ_INT((int)wait_for_completion_timeout(&smsm_cb_completion,
					msecs_to_jiffies(20)), 0);
		UT_EQ_INT(smsm_cb_data.cb_count, 6);

		i += scnprintf(buf + i, max - i, "Test %d - PASS\n", test_num);
	} while (0);

	
	do {
		test_num++;
		SMSM_CB_TEST_INIT();
		ret = smsm_state_cb_register(SMSM_APPS_STATE, SMSM_SMDINIT,
				smsm_state_cb, (void *)0x1234);
		UT_EQ_INT(ret, 0);
		ret = smsm_state_cb_register(SMSM_APPS_STATE, SMSM_INIT,
				smsm_state_cb, (void *)0x3456);
		UT_EQ_INT(ret, 0);

		
		INIT_COMPLETION(smsm_cb_completion);
		UT_EQ_INT(smsm_cb_data.cb_count, 0);
		smsm_change_state(SMSM_APPS_STATE, SMSM_SMDINIT, 0x0);
		UT_GT_INT((int)wait_for_completion_timeout(&smsm_cb_completion,
					msecs_to_jiffies(20)), 0);
		UT_EQ_INT(smsm_cb_data.cb_count, 1);
		UT_EQ_INT((int)smsm_cb_data.data, 0x1234);

		INIT_COMPLETION(smsm_cb_completion);
		smsm_change_state(SMSM_APPS_STATE, SMSM_INIT, 0x0);
		UT_GT_INT((int)wait_for_completion_timeout(&smsm_cb_completion,
					msecs_to_jiffies(20)), 0);
		UT_EQ_INT(smsm_cb_data.cb_count, 2);
		UT_EQ_INT((int)smsm_cb_data.data, 0x3456);

		smsm_change_state(SMSM_APPS_STATE, 0x0, SMSM_SMDINIT);
		smsm_change_state(SMSM_APPS_STATE, 0x0, SMSM_INIT);
		ret = smsm_state_cb_deregister(SMSM_APPS_STATE,
				SMSM_INIT,
				smsm_state_cb, (void *)0x3456);
		UT_EQ_INT(ret, 2);
		ret = smsm_state_cb_deregister(SMSM_APPS_STATE,
				SMSM_SMDINIT,
				smsm_state_cb, (void *)0x1234);
		UT_EQ_INT(ret, 2);

		i += scnprintf(buf + i, max - i, "Test %d - PASS\n", test_num);
	} while (0);

	return i;
}