Messages in this thread Patch in this message | | | From | Marcos Paulo de Souza <> | Subject | [PATCH 2/2 v2] drivers: power: jz4740_battery: Use devm_request_and_ioremap | Date | Sun, 21 Oct 2012 23:13:45 -0200 |
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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.org@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
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