diff options
author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2014-01-27 22:04:17 +0100 |
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committer | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2014-04-16 12:03:06 +0200 |
commit | 2653caf4381f9adeec8c18dfec21ec3c855d801c (patch) | |
tree | f4d6ee00dd416c26b90b1f32179b25bea001663e /drivers/clocksource/sh_cmt.c | |
parent | 7269f9333292586f2378c5321b40a8d3779c4653 (diff) | |
download | op-kernel-dev-2653caf4381f9adeec8c18dfec21ec3c855d801c.zip op-kernel-dev-2653caf4381f9adeec8c18dfec21ec3c855d801c.tar.gz |
clocksource: sh_cmt: Rename struct sh_cmt_priv to sh_cmt_device
Channel data is private as well, rename priv to device to make the
distrinction between the core device and the channels clearer.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Diffstat (limited to 'drivers/clocksource/sh_cmt.c')
-rw-r--r-- | drivers/clocksource/sh_cmt.c | 116 |
1 files changed, 58 insertions, 58 deletions
diff --git a/drivers/clocksource/sh_cmt.c b/drivers/clocksource/sh_cmt.c index 351b3ca..604199a 100644 --- a/drivers/clocksource/sh_cmt.c +++ b/drivers/clocksource/sh_cmt.c @@ -35,10 +35,10 @@ #include <linux/pm_domain.h> #include <linux/pm_runtime.h> -struct sh_cmt_priv; +struct sh_cmt_device; struct sh_cmt_channel { - struct sh_cmt_priv *cmt; + struct sh_cmt_device *cmt; unsigned long flags; unsigned long match_value; @@ -52,7 +52,7 @@ struct sh_cmt_channel { bool cs_enabled; }; -struct sh_cmt_priv { +struct sh_cmt_device { struct platform_device *pdev; void __iomem *mapbase; @@ -693,132 +693,132 @@ static int sh_cmt_register(struct sh_cmt_channel *ch, char *name, return 0; } -static int sh_cmt_setup(struct sh_cmt_priv *p, struct platform_device *pdev) +static int sh_cmt_setup(struct sh_cmt_device *cmt, struct platform_device *pdev) { struct sh_timer_config *cfg = pdev->dev.platform_data; - struct sh_cmt_channel *ch = &p->channel; + struct sh_cmt_channel *ch = &cmt->channel; struct resource *res, *res2; int irq, ret; ret = -ENXIO; - memset(p, 0, sizeof(*p)); - p->pdev = pdev; + memset(cmt, 0, sizeof(*cmt)); + cmt->pdev = pdev; if (!cfg) { - dev_err(&p->pdev->dev, "missing platform data\n"); + dev_err(&cmt->pdev->dev, "missing platform data\n"); goto err0; } - res = platform_get_resource(p->pdev, IORESOURCE_MEM, 0); + res = platform_get_resource(cmt->pdev, IORESOURCE_MEM, 0); if (!res) { - dev_err(&p->pdev->dev, "failed to get I/O memory\n"); + dev_err(&cmt->pdev->dev, "failed to get I/O memory\n"); goto err0; } /* optional resource for the shared timer start/stop register */ - res2 = platform_get_resource(p->pdev, IORESOURCE_MEM, 1); + res2 = platform_get_resource(cmt->pdev, IORESOURCE_MEM, 1); - irq = platform_get_irq(p->pdev, 0); + irq = platform_get_irq(cmt->pdev, 0); if (irq < 0) { - dev_err(&p->pdev->dev, "failed to get irq\n"); + dev_err(&cmt->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"); + cmt->mapbase = ioremap_nocache(res->start, resource_size(res)); + if (cmt->mapbase == NULL) { + dev_err(&cmt->pdev->dev, "failed to remap I/O memory\n"); goto err0; } /* map second resource for CMSTR */ - p->mapbase_str = ioremap_nocache(res2 ? res2->start : - res->start - cfg->channel_offset, - res2 ? resource_size(res2) : 2); - if (p->mapbase_str == NULL) { - dev_err(&p->pdev->dev, "failed to remap I/O second memory\n"); + cmt->mapbase_str = ioremap_nocache(res2 ? res2->start : + res->start - cfg->channel_offset, + res2 ? resource_size(res2) : 2); + if (cmt->mapbase_str == NULL) { + dev_err(&cmt->pdev->dev, "failed to remap I/O second memory\n"); goto err1; } /* get hold of clock */ - p->clk = clk_get(&p->pdev->dev, "cmt_fck"); - if (IS_ERR(p->clk)) { - dev_err(&p->pdev->dev, "cannot get clock\n"); - ret = PTR_ERR(p->clk); + cmt->clk = clk_get(&cmt->pdev->dev, "cmt_fck"); + if (IS_ERR(cmt->clk)) { + dev_err(&cmt->pdev->dev, "cannot get clock\n"); + ret = PTR_ERR(cmt->clk); goto err2; } - ret = clk_prepare(p->clk); + ret = clk_prepare(cmt->clk); if (ret < 0) goto err3; if (res2 && (resource_size(res2) == 4)) { /* assume both CMSTR and CMCSR to be 32-bit */ - p->read_control = sh_cmt_read32; - p->write_control = sh_cmt_write32; + cmt->read_control = sh_cmt_read32; + cmt->write_control = sh_cmt_write32; } else { - p->read_control = sh_cmt_read16; - p->write_control = sh_cmt_write16; + cmt->read_control = sh_cmt_read16; + cmt->write_control = sh_cmt_write16; } if (resource_size(res) == 6) { - p->width = 16; - p->read_count = sh_cmt_read16; - p->write_count = sh_cmt_write16; - p->overflow_bit = 0x80; - p->clear_bits = ~0x80; + cmt->width = 16; + cmt->read_count = sh_cmt_read16; + cmt->write_count = sh_cmt_write16; + cmt->overflow_bit = 0x80; + cmt->clear_bits = ~0x80; } else { - p->width = 32; - p->read_count = sh_cmt_read32; - p->write_count = sh_cmt_write32; - p->overflow_bit = 0x8000; - p->clear_bits = ~0xc000; + cmt->width = 32; + cmt->read_count = sh_cmt_read32; + cmt->write_count = sh_cmt_write32; + cmt->overflow_bit = 0x8000; + cmt->clear_bits = ~0xc000; } - if (p->width == (sizeof(ch->max_match_value) * 8)) + if (cmt->width == (sizeof(ch->max_match_value) * 8)) ch->max_match_value = ~0; else - ch->max_match_value = (1 << p->width) - 1; + ch->max_match_value = (1 << cmt->width) - 1; - ch->cmt = p; + ch->cmt = cmt; ch->match_value = ch->max_match_value; raw_spin_lock_init(&ch->lock); - ret = sh_cmt_register(ch, (char *)dev_name(&p->pdev->dev), + ret = sh_cmt_register(ch, (char *)dev_name(&cmt->pdev->dev), cfg->clockevent_rating, cfg->clocksource_rating); if (ret) { - dev_err(&p->pdev->dev, "registration failed\n"); + dev_err(&cmt->pdev->dev, "registration failed\n"); goto err4; } ch->cs_enabled = false; ret = request_irq(irq, sh_cmt_interrupt, IRQF_TIMER | IRQF_IRQPOLL | IRQF_NOBALANCING, - dev_name(&p->pdev->dev), ch); + dev_name(&cmt->pdev->dev), ch); if (ret) { - dev_err(&p->pdev->dev, "failed to request irq %d\n", irq); + dev_err(&cmt->pdev->dev, "failed to request irq %d\n", irq); goto err4; } - platform_set_drvdata(pdev, p); + platform_set_drvdata(pdev, cmt); return 0; err4: - clk_unprepare(p->clk); + clk_unprepare(cmt->clk); err3: - clk_put(p->clk); + clk_put(cmt->clk); err2: - iounmap(p->mapbase_str); + iounmap(cmt->mapbase_str); err1: - iounmap(p->mapbase); + iounmap(cmt->mapbase); err0: return ret; } static int sh_cmt_probe(struct platform_device *pdev) { - struct sh_cmt_priv *p = platform_get_drvdata(pdev); + struct sh_cmt_device *cmt = platform_get_drvdata(pdev); struct sh_timer_config *cfg = pdev->dev.platform_data; int ret; @@ -827,20 +827,20 @@ static int sh_cmt_probe(struct platform_device *pdev) pm_runtime_enable(&pdev->dev); } - if (p) { + if (cmt) { dev_info(&pdev->dev, "kept as earlytimer\n"); goto out; } - p = kmalloc(sizeof(*p), GFP_KERNEL); - if (p == NULL) { + cmt = kmalloc(sizeof(*cmt), GFP_KERNEL); + if (cmt == NULL) { dev_err(&pdev->dev, "failed to allocate driver data\n"); return -ENOMEM; } - ret = sh_cmt_setup(p, pdev); + ret = sh_cmt_setup(cmt, pdev); if (ret) { - kfree(p); + kfree(cmt); pm_runtime_idle(&pdev->dev); return ret; } |