Lines Matching defs:ssc
17 #include <linux/atmel-ssc.h>
27 struct ssc_device *ssc;
30 list_for_each_entry(ssc, &ssc_list, list) {
31 if (ssc->pdev->id == ssc_num) {
39 pr_err("ssc: ssc%d platform device is missing\n", ssc_num);
43 if (ssc->user) {
45 dev_dbg(&ssc->pdev->dev, "module busy\n");
48 ssc->user++;
51 clk_enable(ssc->clk);
53 return ssc;
57 void ssc_free(struct ssc_device *ssc)
60 if (ssc->user) {
61 ssc->user--;
62 clk_disable(ssc->clk);
64 dev_dbg(&ssc->pdev->dev, "device already free\n");
74 struct ssc_device *ssc;
76 ssc = kzalloc(sizeof(struct ssc_device), GFP_KERNEL);
77 if (!ssc) {
90 ssc->clk = clk_get(&pdev->dev, "pclk");
91 if (IS_ERR(ssc->clk)) {
97 ssc->pdev = pdev;
98 ssc->regs = ioremap(regs->start, regs->end - regs->start + 1);
99 if (!ssc->regs) {
106 clk_enable(ssc->clk);
107 ssc_writel(ssc->regs, IDR, ~0UL);
108 ssc_readl(ssc->regs, SR);
109 clk_disable(ssc->clk);
111 ssc->irq = platform_get_irq(pdev, 0);
112 if (!ssc->irq) {
119 list_add_tail(&ssc->list, &ssc_list);
122 platform_set_drvdata(pdev, ssc);
125 ssc->regs, ssc->irq);
130 iounmap(ssc->regs);
132 clk_put(ssc->clk);
134 kfree(ssc);
141 struct ssc_device *ssc = platform_get_drvdata(pdev);
144 iounmap(ssc->regs);
145 clk_put(ssc->clk);
146 list_del(&ssc->list);
147 kfree(ssc);
156 .name = "ssc",
176 MODULE_ALIAS("platform:ssc");