[PATCH 2/2 v2] drivers: power: jz4740_battery: Use devm_request_and_ioremap

[Marcos Paulo de Souza]

And remove all checks abvout request_mem_region and ioremap.
This is just a cleanup. Not functional changes here.

Signed-off-by: Marcos Paulo de Souza <marcos.souza....@gmail.com>
---
 drivers/power/jz4740-battery.c |   23 +++++------------------
 1 file changed, 5 insertions(+), 18 deletions(-)

diff --git a/drivers/power/jz4740-battery.c b/drivers/power/jz4740-battery.c
index 59900c6..1df7be8 100644
--- a/drivers/power/jz4740-battery.c
+++ b/drivers/power/jz4740-battery.c
@@ -272,19 +272,12 @@ static int __devinit jz_battery_probe(struct 
platform_device *pdev)
                return -ENOENT;
        }
 
-       jz_battery->mem = request_mem_region(jz_battery->mem->start,
-                               resource_size(jz_battery->mem), pdev->name);
-       if (!jz_battery->mem) {
-               dev_err(&pdev->dev, "Failed to request mmio memory region\n");
-               return -EBUSY;
-       }
+       jz_battery->base = devm_request_and_ioremap(&pdev->dev
+                                                       , jz_battery->mem);
 
-       jz_battery->base = ioremap_nocache(jz_battery->mem->start,
-                               resource_size(jz_battery->mem));
        if (!jz_battery->base) {
-               ret = -EBUSY;
                dev_err(&pdev->dev, "Failed to ioremap mmio memory\n");
-               goto err_release_mem_region;
+               return -EBUSY;
        }
 
        battery = &jz_battery->battery;
@@ -308,7 +301,7 @@ static int __devinit jz_battery_probe(struct 
platform_device *pdev)
                        jz_battery);
        if (ret) {
                dev_err(&pdev->dev, "Failed to request irq %d\n", ret);
-               goto err_iounmap;
+               goto err_irq;
        }
        disable_irq(jz_battery->irq);
 
@@ -365,11 +358,8 @@ err_free_gpio:
                gpio_free(jz_battery->pdata->gpio_charge);
 err_free_irq:
        free_irq(jz_battery->irq, jz_battery);
-err_iounmap:
+err_irq:
        platform_set_drvdata(pdev, NULL);
-       iounmap(jz_battery->base);
-err_release_mem_region:
-       release_mem_region(jz_battery->mem->start, 
resource_size(jz_battery->mem));
        return ret;
 }
 
@@ -389,9 +379,6 @@ static int __devexit jz_battery_remove(struct 
platform_device *pdev)
 
        free_irq(jz_battery->irq, jz_battery);
 
-       iounmap(jz_battery->base);
-       release_mem_region(jz_battery->mem->start, 
resource_size(jz_battery->mem));
-
        return 0;
 }
 
-- 
1.7.9.5

--
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/