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authorLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>2014-01-28 01:04:17 +0400
committerLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>2014-04-16 14:03:18 +0400
commita94ddaa6fcd46e168736027535b2d81b6a18883f (patch)
tree8ebfcd6b77078af2ff2aee463b025a758e2327b7 /drivers/clocksource/sh_tmu.c
parent0a72aa39cc105fbf6971feb8928a63530a4a446b (diff)
downloadlinux-a94ddaa6fcd46e168736027535b2d81b6a18883f.tar.xz
clocksource: sh_tmu: Split channel setup to separate function
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>
Diffstat (limited to 'drivers/clocksource/sh_tmu.c')
-rw-r--r--drivers/clocksource/sh_tmu.c36
1 files changed, 23 insertions, 13 deletions
diff --git a/drivers/clocksource/sh_tmu.c b/drivers/clocksource/sh_tmu.c
index 70137906b8c0..4779c97bb2ee 100644
--- a/drivers/clocksource/sh_tmu.c
+++ b/drivers/clocksource/sh_tmu.c
@@ -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;