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path: root/drivers/net/wireless/ath/ath9k/ahb.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ahb.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/ahb.c22
1 files changed, 6 insertions, 16 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ahb.c b/drivers/net/wireless/ath/ath9k/ahb.c
index 3a69804f4c16..d1ff3c246a12 100644
--- a/drivers/net/wireless/ath/ath9k/ahb.c
+++ b/drivers/net/wireless/ath/ath9k/ahb.c
@@ -86,29 +86,25 @@ static int ath_ahb_probe(struct platform_device *pdev)
if (!pdev->dev.platform_data) {
dev_err(&pdev->dev, "no platform data specified\n");
- ret = -EINVAL;
- goto err_out;
+ return -EINVAL;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res == NULL) {
dev_err(&pdev->dev, "no memory resource found\n");
- ret = -ENXIO;
- goto err_out;
+ return -ENXIO;
}
- mem = ioremap_nocache(res->start, resource_size(res));
+ mem = devm_ioremap_nocache(&pdev->dev, res->start, resource_size(res));
if (mem == NULL) {
dev_err(&pdev->dev, "ioremap failed\n");
- ret = -ENOMEM;
- goto err_out;
+ return -ENOMEM;
}
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (res == NULL) {
dev_err(&pdev->dev, "no IRQ resource found\n");
- ret = -ENXIO;
- goto err_iounmap;
+ return -ENXIO;
}
irq = res->start;
@@ -116,8 +112,7 @@ static int ath_ahb_probe(struct platform_device *pdev)
hw = ieee80211_alloc_hw(sizeof(struct ath_softc), &ath9k_ops);
if (hw == NULL) {
dev_err(&pdev->dev, "no memory for ieee80211_hw\n");
- ret = -ENOMEM;
- goto err_iounmap;
+ return -ENOMEM;
}
SET_IEEE80211_DEV(hw, &pdev->dev);
@@ -156,9 +151,6 @@ static int ath_ahb_probe(struct platform_device *pdev)
err_free_hw:
ieee80211_free_hw(hw);
platform_set_drvdata(pdev, NULL);
- err_iounmap:
- iounmap(mem);
- err_out:
return ret;
}
@@ -168,12 +160,10 @@ static int ath_ahb_remove(struct platform_device *pdev)
if (hw) {
struct ath_softc *sc = hw->priv;
- void __iomem *mem = sc->mem;
ath9k_deinit_device(sc);
free_irq(sc->irq, sc);
ieee80211_free_hw(sc->hw);
- iounmap(mem);
platform_set_drvdata(pdev, NULL);
}