30 	struct ssc_device *ssc;  in ssc_request()  local
33 	list_for_each_entry(ssc, &ssc_list, list) {  in ssc_request()
34 		if (ssc->pdev->dev.of_node) {  in ssc_request()
35 			if (of_alias_get_id(ssc->pdev->dev.of_node, "ssc")  in ssc_request()
40 		} else if (ssc->pdev->id == ssc_num) {  in ssc_request()
52 	if (ssc->user) {  in ssc_request()
54 		dev_dbg(&ssc->pdev->dev, "module busy\n");  in ssc_request()
57 	ssc->user++;  in ssc_request()
60 	clk_prepare(ssc->clk);  in ssc_request()
62 	return ssc;  in ssc_request()
66 void ssc_free(struct ssc_device *ssc)  in ssc_free()  argument
71 	if (ssc->user)  in ssc_free()
72 		ssc->user--;  in ssc_free()
75 		dev_dbg(&ssc->pdev->dev, "device already free\n");  in ssc_free()
80 		clk_unprepare(ssc->clk);  in ssc_free()
150 	struct ssc_device *ssc;  in ssc_probe()  local
153 	ssc = devm_kzalloc(&pdev->dev, sizeof(struct ssc_device), GFP_KERNEL);  in ssc_probe()
154 	if (!ssc) {  in ssc_probe()
159 	ssc->pdev = pdev;  in ssc_probe()
164 	ssc->pdata = (struct atmel_ssc_platform_data *)plat_dat;  in ssc_probe()
168 		ssc->clk_from_rk_pin =  in ssc_probe()
173 	ssc->regs = devm_ioremap_resource(&pdev->dev, regs);  in ssc_probe()
174 	if (IS_ERR(ssc->regs))  in ssc_probe()
175 		return PTR_ERR(ssc->regs);  in ssc_probe()
177 	ssc->phybase = regs->start;  in ssc_probe()
179 	ssc->clk = devm_clk_get(&pdev->dev, "pclk");  in ssc_probe()
180 	if (IS_ERR(ssc->clk)) {  in ssc_probe()
186 	clk_prepare_enable(ssc->clk);  in ssc_probe()
187 	ssc_writel(ssc->regs, IDR, -1);  in ssc_probe()
188 	ssc_readl(ssc->regs, SR);  in ssc_probe()
189 	clk_disable_unprepare(ssc->clk);  in ssc_probe()
191 	ssc->irq = platform_get_irq(pdev, 0);  in ssc_probe()
192 	if (!ssc->irq) {  in ssc_probe()
198 	list_add_tail(&ssc->list, &ssc_list);  in ssc_probe()
201 	platform_set_drvdata(pdev, ssc);  in ssc_probe()
204 			ssc->regs, ssc->irq);  in ssc_probe()
211 	struct ssc_device *ssc = platform_get_drvdata(pdev);  in ssc_remove()  local
214 	list_del(&ssc->list);  in ssc_remove()