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Subject[PATCH 40/71] clocksource: sh_mtu2: Split channel setup to separate function
Date
From: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

Move the channel setup code from sh_mtu2_setup to a new
sh_mtu2_setup_channel function and call it from sh_mtu2_setup.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tested-by: Wolfram Sang <wsa@sang-engineering.com>
---
drivers/clocksource/sh_mtu2.c | 29 +++++++++++++++++++----------
1 file changed, 19 insertions(+), 10 deletions(-)

diff --git a/drivers/clocksource/sh_mtu2.c b/drivers/clocksource/sh_mtu2.c
index 256621c..8fd7059 100644
--- a/drivers/clocksource/sh_mtu2.c
+++ b/drivers/clocksource/sh_mtu2.c
@@ -273,6 +273,24 @@ static int sh_mtu2_register(struct sh_mtu2_channel *ch, char *name,
return 0;
}

+static int sh_mtu2_setup_channel(struct sh_mtu2_channel *ch,
+ struct sh_mtu2_device *mtu)
+{
+ struct sh_timer_config *cfg = mtu->pdev->dev.platform_data;
+
+ memset(ch, 0, sizeof(*ch));
+ ch->mtu = mtu;
+
+ ch->irq = platform_get_irq(mtu->pdev, 0);
+ if (ch->irq < 0) {
+ dev_err(&mtu->pdev->dev, "failed to get irq\n");
+ return ch->irq;
+ }
+
+ return sh_mtu2_register(ch, (char *)dev_name(&mtu->pdev->dev),
+ cfg->clockevent_rating);
+}
+
static int sh_mtu2_setup(struct sh_mtu2_device *mtu,
struct platform_device *pdev)
{
@@ -297,12 +315,6 @@ static int sh_mtu2_setup(struct sh_mtu2_device *mtu,
goto err0;
}

- 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 */
mtu->mapbase = ioremap_nocache(res->start, resource_size(res));
if (mtu->mapbase == NULL) {
@@ -322,10 +334,7 @@ static int sh_mtu2_setup(struct sh_mtu2_device *mtu,
if (ret < 0)
goto err2;

- mtu->channel.mtu = mtu;
-
- ret = sh_mtu2_register(&mtu->channel, (char *)dev_name(&mtu->pdev->dev),
- cfg->clockevent_rating);
+ ret = sh_mtu2_setup_channel(&mtu->channel, mtu);
if (ret < 0)
goto err3;

--
1.7.9.5


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