[PATCH 4/6] w1: omap-hdq: convert to devm_* functions

[Felipe Balbi]

this lets us remove a bit of boilerplate code.

Signed-off-by: Felipe Balbi <ba...@ti.com>
---
 drivers/w1/masters/omap_hdq.c | 32 +++++++++-----------------------
 1 file changed, 9 insertions(+), 23 deletions(-)

diff --git a/drivers/w1/masters/omap_hdq.c b/drivers/w1/masters/omap_hdq.c
index 1ebddcf..b6eb0ba 100644
--- a/drivers/w1/masters/omap_hdq.c
+++ b/drivers/w1/masters/omap_hdq.c
@@ -546,33 +546,31 @@ static void omap_w1_write_byte(void *_hdq, u8 byte)
 
 static int __devinit omap_hdq_probe(struct platform_device *pdev)
 {
+       struct device *dev = &pdev->dev;
        struct hdq_data *hdq_data;
        struct resource *res;
        int ret, irq;
        u8 rev;
 
-       hdq_data = kmalloc(sizeof(*hdq_data), GFP_KERNEL);
+       hdq_data = devm_kzalloc(dev, sizeof(*hdq_data), GFP_KERNEL);
        if (!hdq_data) {
                dev_dbg(&pdev->dev, "unable to allocate memory\n");
-               ret = -ENOMEM;
-               goto err_kmalloc;
+               return -ENOMEM;
        }
 
-       hdq_data->dev = &pdev->dev;
+       hdq_data->dev = dev;
        platform_set_drvdata(pdev, hdq_data);
 
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        if (!res) {
                dev_dbg(&pdev->dev, "unable to get resource\n");
-               ret = -ENXIO;
-               goto err_resource;
+               return -ENXIO;
        }
 
-       hdq_data->hdq_base = ioremap(res->start, resource_size(res));
+       hdq_data->hdq_base = devm_request_and_ioremap(dev, res);
        if (!hdq_data->hdq_base) {
                dev_dbg(&pdev->dev, "ioremap failed\n");
-               ret = -EINVAL;
-               goto err_ioremap;
+               return -ENOMEM;
        }
 
        hdq_data->hdq_usecount = 0;
@@ -593,7 +591,8 @@ static int __devinit omap_hdq_probe(struct platform_device 
*pdev)
                goto err_irq;
        }
 
-       ret = request_irq(irq, hdq_isr, IRQF_DISABLED, "omap_hdq", hdq_data);
+       ret = devm_request_irq(dev, irq, hdq_isr, IRQF_DISABLED,
+                       "omap_hdq", hdq_data);
        if (ret < 0) {
                dev_dbg(&pdev->dev, "could not request irq\n");
                goto err_irq;
@@ -618,16 +617,7 @@ err_irq:
 err_w1:
        pm_runtime_disable(&pdev->dev);
 
-       iounmap(hdq_data->hdq_base);
-
-err_ioremap:
-err_resource:
-       platform_set_drvdata(pdev, NULL);
-       kfree(hdq_data);
-
-err_kmalloc:
        return ret;
-
 }
 
 static int __devexit omap_hdq_remove(struct platform_device *pdev)
@@ -646,10 +636,6 @@ static int __devexit omap_hdq_remove(struct 
platform_device *pdev)
 
        /* remove module dependency */
        pm_runtime_disable(&pdev->dev);
-       free_irq(INT_24XX_HDQ_IRQ, hdq_data);
-       platform_set_drvdata(pdev, NULL);
-       iounmap(hdq_data->hdq_base);
-       kfree(hdq_data);
 
        return 0;
 }
-- 
1.7.11

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/