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clocksource: sh_tmu: Split channel setup to separate function

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Move the channel setup code from sh_tmu_setup to a new
sh_tmu_setup_channel function and call it from sh_tmu_setup.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
This commit is contained in:
Laurent Pinchart 2014-01-27 22:04:17 +01:00
parent 0a72aa39cc
commit a94ddaa6fc
1 changed files with 23 additions and 13 deletions
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36
drivers/clocksource/sh_tmu.c
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@ -436,6 +436,28 @@ static int sh_tmu_register(struct sh_tmu_channel *ch, char *name,
return 0;
}
static int sh_tmu_channel_setup(struct sh_tmu_channel *ch,
struct sh_tmu_device *tmu)
{
struct sh_timer_config *cfg = tmu->pdev->dev.platform_data;
memset(ch, 0, sizeof(*ch));
ch->tmu = tmu;
ch->irq = platform_get_irq(tmu->pdev, 0);
if (ch->irq < 0) {
dev_err(&tmu->pdev->dev, "failed to get irq\n");
return ch->irq;
}
ch->cs_enabled = false;
ch->enable_count = 0;
return sh_tmu_register(ch, (char *)dev_name(&tmu->pdev->dev),
cfg->clockevent_rating,
cfg->clocksource_rating);
}
static int sh_tmu_setup(struct sh_tmu_device *tmu, struct platform_device *pdev)
{
struct sh_timer_config *cfg = pdev->dev.platform_data;
@ -459,12 +481,6 @@ static int sh_tmu_setup(struct sh_tmu_device *tmu, struct platform_device *pdev)
goto err0;
}
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 */
tmu->mapbase = ioremap_nocache(res->start, resource_size(res));
if (tmu->mapbase == NULL) {
@ -484,13 +500,7 @@ static int sh_tmu_setup(struct sh_tmu_device *tmu, struct platform_device *pdev)
if (ret < 0)
goto err2;
tmu->channel.cs_enabled = false;
tmu->channel.enable_count = 0;
tmu->channel.tmu = tmu;
ret = sh_tmu_register(&tmu->channel, (char *)dev_name(&tmu->pdev->dev),
cfg->clockevent_rating,
cfg->clocksource_rating);
ret = sh_tmu_channel_setup(&tmu->channel, tmu);
if (ret < 0)
goto err3;