#include <linux/pm_domain.h>
#include <linux/pm_runtime.h>
-struct sh_tmu_priv;
+struct sh_tmu_device;
struct sh_tmu_channel {
- struct sh_tmu_priv *tmu;
+ struct sh_tmu_device *tmu;
int irq;
unsigned int enable_count;
};
-struct sh_tmu_priv {
+struct sh_tmu_device {
struct platform_device *pdev;
void __iomem *mapbase;
return 0;
}
-static int sh_tmu_setup(struct sh_tmu_priv *p, struct platform_device *pdev)
+static int sh_tmu_setup(struct sh_tmu_device *tmu, struct platform_device *pdev)
{
struct sh_timer_config *cfg = pdev->dev.platform_data;
struct resource *res;
int ret;
ret = -ENXIO;
- memset(p, 0, sizeof(*p));
- p->pdev = pdev;
+ memset(tmu, 0, sizeof(*tmu));
+ tmu->pdev = pdev;
if (!cfg) {
- dev_err(&p->pdev->dev, "missing platform data\n");
+ dev_err(&tmu->pdev->dev, "missing platform data\n");
goto err0;
}
- platform_set_drvdata(pdev, p);
+ platform_set_drvdata(pdev, tmu);
- res = platform_get_resource(p->pdev, IORESOURCE_MEM, 0);
+ res = platform_get_resource(tmu->pdev, IORESOURCE_MEM, 0);
if (!res) {
- dev_err(&p->pdev->dev, "failed to get I/O memory\n");
+ dev_err(&tmu->pdev->dev, "failed to get I/O memory\n");
goto err0;
}
- p->channel.irq = platform_get_irq(p->pdev, 0);
- if (p->channel.irq < 0) {
- dev_err(&p->pdev->dev, "failed to get irq\n");
+ tmu->channel.irq = platform_get_irq(tmu->pdev, 0);
+ if (tmu->channel.irq < 0) {
+ dev_err(&tmu->pdev->dev, "failed to get irq\n");
goto err0;
}
/* map memory, let mapbase point to our channel */
- p->mapbase = ioremap_nocache(res->start, resource_size(res));
- if (p->mapbase == NULL) {
- dev_err(&p->pdev->dev, "failed to remap I/O memory\n");
+ tmu->mapbase = ioremap_nocache(res->start, resource_size(res));
+ if (tmu->mapbase == NULL) {
+ dev_err(&tmu->pdev->dev, "failed to remap I/O memory\n");
goto err0;
}
/* get hold of clock */
- p->clk = clk_get(&p->pdev->dev, "tmu_fck");
- if (IS_ERR(p->clk)) {
- dev_err(&p->pdev->dev, "cannot get clock\n");
- ret = PTR_ERR(p->clk);
+ tmu->clk = clk_get(&tmu->pdev->dev, "tmu_fck");
+ if (IS_ERR(tmu->clk)) {
+ dev_err(&tmu->pdev->dev, "cannot get clock\n");
+ ret = PTR_ERR(tmu->clk);
goto err1;
}
- ret = clk_prepare(p->clk);
+ ret = clk_prepare(tmu->clk);
if (ret < 0)
goto err2;
- p->channel.cs_enabled = false;
- p->channel.enable_count = 0;
- p->channel.tmu = p;
+ tmu->channel.cs_enabled = false;
+ tmu->channel.enable_count = 0;
+ tmu->channel.tmu = tmu;
- ret = sh_tmu_register(&p->channel, (char *)dev_name(&p->pdev->dev),
+ ret = sh_tmu_register(&tmu->channel, (char *)dev_name(&tmu->pdev->dev),
cfg->clockevent_rating,
cfg->clocksource_rating);
if (ret < 0)
return 0;
err3:
- clk_unprepare(p->clk);
+ clk_unprepare(tmu->clk);
err2:
- clk_put(p->clk);
+ clk_put(tmu->clk);
err1:
- iounmap(p->mapbase);
+ iounmap(tmu->mapbase);
err0:
return ret;
}
static int sh_tmu_probe(struct platform_device *pdev)
{
- struct sh_tmu_priv *p = platform_get_drvdata(pdev);
+ struct sh_tmu_device *tmu = platform_get_drvdata(pdev);
struct sh_timer_config *cfg = pdev->dev.platform_data;
int ret;
pm_runtime_enable(&pdev->dev);
}
- if (p) {
+ if (tmu) {
dev_info(&pdev->dev, "kept as earlytimer\n");
goto out;
}
- p = kmalloc(sizeof(*p), GFP_KERNEL);
- if (p == NULL) {
+ tmu = kmalloc(sizeof(*tmu), GFP_KERNEL);
+ if (tmu == NULL) {
dev_err(&pdev->dev, "failed to allocate driver data\n");
return -ENOMEM;
}
- ret = sh_tmu_setup(p, pdev);
+ ret = sh_tmu_setup(tmu, pdev);
if (ret) {
- kfree(p);
+ kfree(tmu);
pm_runtime_idle(&pdev->dev);
return ret;
}