242 		if (!ss_algs[i].ss)  in sun4i_ss_debugfs_show()
276 	struct sun4i_ss_ctx *ss = dev_get_drvdata(dev);  in sun4i_ss_pm_suspend()  local
278 	reset_control_assert(ss->reset);  in sun4i_ss_pm_suspend()
280 	clk_disable_unprepare(ss->ssclk);  in sun4i_ss_pm_suspend()
281 	clk_disable_unprepare(ss->busclk);  in sun4i_ss_pm_suspend()
287 	struct sun4i_ss_ctx *ss = dev_get_drvdata(dev);  in sun4i_ss_pm_resume()  local
291 	err = clk_prepare_enable(ss->busclk);  in sun4i_ss_pm_resume()
293 		dev_err(ss->dev, "Cannot prepare_enable busclk\n");  in sun4i_ss_pm_resume()
297 	err = clk_prepare_enable(ss->ssclk);  in sun4i_ss_pm_resume()
299 		dev_err(ss->dev, "Cannot prepare_enable ssclk\n");  in sun4i_ss_pm_resume()
303 	err = reset_control_deassert(ss->reset);  in sun4i_ss_pm_resume()
305 		dev_err(ss->dev, "Cannot deassert reset control\n");  in sun4i_ss_pm_resume()
324 static int sun4i_ss_pm_init(struct sun4i_ss_ctx *ss)  in sun4i_ss_pm_init()  argument
328 	pm_runtime_use_autosuspend(ss->dev);  in sun4i_ss_pm_init()
329 	pm_runtime_set_autosuspend_delay(ss->dev, 2000);  in sun4i_ss_pm_init()
331 	err = pm_runtime_set_suspended(ss->dev);  in sun4i_ss_pm_init()
334 	pm_runtime_enable(ss->dev);  in sun4i_ss_pm_init()
338 static void sun4i_ss_pm_exit(struct sun4i_ss_ctx *ss)  in sun4i_ss_pm_exit()  argument
340 	pm_runtime_disable(ss->dev);  in sun4i_ss_pm_exit()
350 	struct sun4i_ss_ctx *ss;  in sun4i_ss_probe()  local
355 	ss = devm_kzalloc(&pdev->dev, sizeof(*ss), GFP_KERNEL);  in sun4i_ss_probe()
356 	if (!ss)  in sun4i_ss_probe()
359 	ss->base = devm_platform_ioremap_resource(pdev, 0);  in sun4i_ss_probe()
360 	if (IS_ERR(ss->base)) {  in sun4i_ss_probe()
362 		return PTR_ERR(ss->base);  in sun4i_ss_probe()
365 	ss->variant = of_device_get_match_data(&pdev->dev);  in sun4i_ss_probe()
366 	if (!ss->variant) {  in sun4i_ss_probe()
371 	ss->ssclk = devm_clk_get(&pdev->dev, "mod");  in sun4i_ss_probe()
372 	if (IS_ERR(ss->ssclk)) {  in sun4i_ss_probe()
373 		err = PTR_ERR(ss->ssclk);  in sun4i_ss_probe()
379 	ss->busclk = devm_clk_get(&pdev->dev, "ahb");  in sun4i_ss_probe()
380 	if (IS_ERR(ss->busclk)) {  in sun4i_ss_probe()
381 		err = PTR_ERR(ss->busclk);  in sun4i_ss_probe()
387 	ss->reset = devm_reset_control_get_optional(&pdev->dev, "ahb");  in sun4i_ss_probe()
388 	if (IS_ERR(ss->reset))  in sun4i_ss_probe()
389 		return PTR_ERR(ss->reset);  in sun4i_ss_probe()
390 	if (!ss->reset)  in sun4i_ss_probe()
397 	err = clk_set_rate(ss->ssclk, cr_mod);  in sun4i_ss_probe()
408 	cr = clk_get_rate(ss->busclk);  in sun4i_ss_probe()
416 	cr = clk_get_rate(ss->ssclk);  in sun4i_ss_probe()
428 	ss->dev = &pdev->dev;  in sun4i_ss_probe()
429 	platform_set_drvdata(pdev, ss);  in sun4i_ss_probe()
431 	spin_lock_init(&ss->slock);  in sun4i_ss_probe()
433 	err = sun4i_ss_pm_init(ss);  in sun4i_ss_probe()
444 	err = pm_runtime_resume_and_get(ss->dev);  in sun4i_ss_probe()
448 	writel(SS_ENABLED, ss->base + SS_CTL);  in sun4i_ss_probe()
449 	v = readl(ss->base + SS_CTL);  in sun4i_ss_probe()
453 	writel(0, ss->base + SS_CTL);  in sun4i_ss_probe()
455 	pm_runtime_put_sync(ss->dev);  in sun4i_ss_probe()
458 		ss_algs[i].ss = ss;  in sun4i_ss_probe()
463 				dev_err(ss->dev, "Fail to register %s\n",  in sun4i_ss_probe()
471 				dev_err(ss->dev, "Fail to register %s\n",  in sun4i_ss_probe()
479 				dev_err(ss->dev, "Fail to register %s\n",  in sun4i_ss_probe()
487 	ss->dbgfs_dir = debugfs_create_dir("sun4i-ss", NULL);  in sun4i_ss_probe()
488 	ss->dbgfs_stats = debugfs_create_file("stats", 0444, ss->dbgfs_dir, ss,  in sun4i_ss_probe()
508 	sun4i_ss_pm_exit(ss);  in sun4i_ss_probe()
515 	struct sun4i_ss_ctx *ss = platform_get_drvdata(pdev);  in sun4i_ss_remove()  local
531 	sun4i_ss_pm_exit(ss);  in sun4i_ss_remove()