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i2c_bcm2708: Fix clock reference counting

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This commit is contained in:
Phil Elwell
2015-02-05 16:01:44 +00:00
committed by popcornmix
parent 60fd272f1c
commit a4b64daacb
1 changed files with 10 additions and 2 deletions
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12
drivers/i2c/busses/i2c-bcm2708.c
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@@ -337,11 +337,17 @@ static int bcm2708_i2c_probe(struct platform_device *pdev)
return PTR_ERR(clk);
}
err = clk_prepare_enable(clk);
if (err) {
dev_err(&pdev->dev, "could not enable clk: %d\n", err);
goto out_clk_put;
}
bcm2708_i2c_init_pinmode(pdev->id);
bi = kzalloc(sizeof(*bi), GFP_KERNEL);
if (!bi)
goto out_clk_put;
goto out_clk_disable;
platform_set_drvdata(pdev, bi);
@@ -412,6 +418,8 @@ out_iounmap:
iounmap(bi->base);
out_free_bi:
kfree(bi);
out_clk_disable:
clk_disable_unprepare(clk);
out_clk_put:
clk_put(clk);
return err;
@@ -426,7 +434,7 @@ static int bcm2708_i2c_remove(struct platform_device *pdev)
i2c_del_adapter(&bi->adapter);
free_irq(bi->irq, bi);
iounmap(bi->base);
clk_disable(bi->clk);
clk_disable_unprepare(bi->clk);
clk_put(bi->clk);
kfree(bi);