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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-01-21 14:45:17 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-02-18 23:15:33 +0000 |
| commit | f5ae587f5d258bda9c24bb8387315eb2ebedeee9 (patch) | |
| tree | a854b3717407390f2be1b7a3dc4df3e65a9e5aa9 /drivers/mfd | |
| parent | cae154767a96563d33924872aacfdc63d584f707 (diff) | |
| download | linux-f5ae587f5d258bda9c24bb8387315eb2ebedeee9.tar.gz linux-f5ae587f5d258bda9c24bb8387315eb2ebedeee9.tar.bz2 linux-f5ae587f5d258bda9c24bb8387315eb2ebedeee9.zip | |
MFD: ucb1x00-core: clean up device handling in probe
Clean up the device handling so we can use the struct device sanely.
Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/ucb1x00-core.c | 30 |
1 files changed, 16 insertions, 14 deletions
diff --git a/drivers/mfd/ucb1x00-core.c b/drivers/mfd/ucb1x00-core.c index 7386f822d4cd..74d9fcf891d5 100644 --- a/drivers/mfd/ucb1x00-core.c +++ b/drivers/mfd/ucb1x00-core.c @@ -553,6 +553,7 @@ static int ucb1x00_probe(struct mcp *mcp) if (!ucb) goto err_disable; + device_initialize(&ucb->dev); ucb->dev.class = &ucb1x00_class; ucb->dev.parent = &mcp->attached_device; dev_set_name(&ucb->dev, "ucb1x00"); @@ -563,11 +564,16 @@ static int ucb1x00_probe(struct mcp *mcp) ucb->id = id; ucb->mcp = mcp; + + ret = device_add(&ucb->dev); + if (ret) + goto err_dev_add; + ucb->irq = ucb1x00_detect_irq(ucb); if (ucb->irq == NO_IRQ) { - printk(KERN_ERR "UCB1x00: IRQ probe failed\n"); + dev_err(&ucb->dev, "IRQ probe failed\n"); ret = -ENODEV; - goto err_free; + goto err_no_irq; } ucb->gpio.base = -1; @@ -581,25 +587,20 @@ static int ucb1x00_probe(struct mcp *mcp) ucb->gpio.direction_output = ucb1x00_gpio_direction_output; ret = gpiochip_add(&ucb->gpio); if (ret) - goto err_free; + goto err_gpio_add; } else dev_info(&ucb->dev, "gpio_base not set so no gpiolib support"); ret = request_irq(ucb->irq, ucb1x00_irq, IRQF_TRIGGER_RISING, "UCB1x00", ucb); if (ret) { - printk(KERN_ERR "ucb1x00: unable to grab irq%d: %d\n", + dev_err(&ucb->dev, "ucb1x00: unable to grab irq%d: %d\n", ucb->irq, ret); - goto err_gpio; + goto err_irq; } mcp_set_drvdata(mcp, ucb); - ret = device_register(&ucb->dev); - if (ret) - goto err_irq; - - INIT_LIST_HEAD(&ucb->devs); mutex_lock(&ucb1x00_mutex); list_add(&ucb->node, &ucb1x00_devices); @@ -611,12 +612,13 @@ static int ucb1x00_probe(struct mcp *mcp) return ret; err_irq: - free_irq(ucb->irq, ucb); - err_gpio: if (ucb->gpio.base != -1) temp = gpiochip_remove(&ucb->gpio); - err_free: - kfree(ucb); + err_gpio_add: + err_no_irq: + device_del(&ucb->dev); + err_dev_add: + put_device(&ucb->dev); err_disable: mcp_disable(mcp); out: |