diff options
Diffstat (limited to 'drivers/clocksource')
-rw-r--r-- | drivers/clocksource/sh_mtu2.c | 65 |
1 files changed, 33 insertions, 32 deletions
diff --git a/drivers/clocksource/sh_mtu2.c b/drivers/clocksource/sh_mtu2.c index e509f41..256621c 100644 --- a/drivers/clocksource/sh_mtu2.c +++ b/drivers/clocksource/sh_mtu2.c @@ -34,15 +34,15 @@ #include <linux/pm_domain.h> #include <linux/pm_runtime.h> -struct sh_mtu2_priv; +struct sh_mtu2_device; struct sh_mtu2_channel { - struct sh_mtu2_priv *mtu; + struct sh_mtu2_device *mtu; int irq; struct clock_event_device ced; }; -struct sh_mtu2_priv { +struct sh_mtu2_device { struct platform_device *pdev; void __iomem *mapbase; @@ -273,75 +273,76 @@ static int sh_mtu2_register(struct sh_mtu2_channel *ch, char *name, return 0; } -static int sh_mtu2_setup(struct sh_mtu2_priv *p, struct platform_device *pdev) +static int sh_mtu2_setup(struct sh_mtu2_device *mtu, + 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(mtu, 0, sizeof(*mtu)); + mtu->pdev = pdev; if (!cfg) { - dev_err(&p->pdev->dev, "missing platform data\n"); + dev_err(&mtu->pdev->dev, "missing platform data\n"); goto err0; } - platform_set_drvdata(pdev, p); + platform_set_drvdata(pdev, mtu); - res = platform_get_resource(p->pdev, IORESOURCE_MEM, 0); + res = platform_get_resource(mtu->pdev, IORESOURCE_MEM, 0); if (!res) { - dev_err(&p->pdev->dev, "failed to get I/O memory\n"); + dev_err(&mtu->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"); + mtu->channel.irq = platform_get_irq(mtu->pdev, 0); + if (mtu->channel.irq < 0) { + dev_err(&mtu->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"); + mtu->mapbase = ioremap_nocache(res->start, resource_size(res)); + if (mtu->mapbase == NULL) { + dev_err(&mtu->pdev->dev, "failed to remap I/O memory\n"); goto err0; } /* get hold of clock */ - p->clk = clk_get(&p->pdev->dev, "mtu2_fck"); - if (IS_ERR(p->clk)) { - dev_err(&p->pdev->dev, "cannot get clock\n"); - ret = PTR_ERR(p->clk); + mtu->clk = clk_get(&mtu->pdev->dev, "mtu2_fck"); + if (IS_ERR(mtu->clk)) { + dev_err(&mtu->pdev->dev, "cannot get clock\n"); + ret = PTR_ERR(mtu->clk); goto err1; } - ret = clk_prepare(p->clk); + ret = clk_prepare(mtu->clk); if (ret < 0) goto err2; - p->channel.mtu = p; + mtu->channel.mtu = mtu; - ret = sh_mtu2_register(&p->channel, (char *)dev_name(&p->pdev->dev), + ret = sh_mtu2_register(&mtu->channel, (char *)dev_name(&mtu->pdev->dev), cfg->clockevent_rating); if (ret < 0) goto err3; return 0; err3: - clk_unprepare(p->clk); + clk_unprepare(mtu->clk); err2: - clk_put(p->clk); + clk_put(mtu->clk); err1: - iounmap(p->mapbase); + iounmap(mtu->mapbase); err0: return ret; } static int sh_mtu2_probe(struct platform_device *pdev) { - struct sh_mtu2_priv *p = platform_get_drvdata(pdev); + struct sh_mtu2_device *mtu = platform_get_drvdata(pdev); struct sh_timer_config *cfg = pdev->dev.platform_data; int ret; @@ -350,20 +351,20 @@ static int sh_mtu2_probe(struct platform_device *pdev) pm_runtime_enable(&pdev->dev); } - if (p) { + if (mtu) { dev_info(&pdev->dev, "kept as earlytimer\n"); goto out; } - p = kmalloc(sizeof(*p), GFP_KERNEL); - if (p == NULL) { + mtu = kmalloc(sizeof(*mtu), GFP_KERNEL); + if (mtu == NULL) { dev_err(&pdev->dev, "failed to allocate driver data\n"); return -ENOMEM; } - ret = sh_mtu2_setup(p, pdev); + ret = sh_mtu2_setup(mtu, pdev); if (ret) { - kfree(p); + kfree(mtu); pm_runtime_idle(&pdev->dev); return ret; } |