usb:hsotg:samsung: Add release function for hsotg device
Add release function to prevent kernel warning. Kfree is performed when all references are gone. Signed-off-by: Sangwook Lee <sangwook.lee@linaro.org> Signed-off-by: Lukasz Majewski <l.majewski@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
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@ -3444,10 +3444,22 @@ static void __devexit s3c_hsotg_delete_debug(struct s3c_hsotg *hsotg)
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debugfs_remove(hsotg->debug_root);
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}
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/**
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* s3c_hsotg_release - release callback for hsotg device
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* @dev: Device to for which release is called
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*/
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static void s3c_hsotg_release(struct device *dev)
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{
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struct s3c_hsotg *hsotg = dev_get_drvdata(dev);
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kfree(hsotg);
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}
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/**
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* s3c_hsotg_probe - probe function for hsotg driver
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* @pdev: The platform information for the driver
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*/
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static int __devinit s3c_hsotg_probe(struct platform_device *pdev)
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{
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struct s3c_hsotg_plat *plat = pdev->dev.platform_data;
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@ -3531,6 +3543,7 @@ static int __devinit s3c_hsotg_probe(struct platform_device *pdev)
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hsotg->gadget.dev.parent = dev;
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hsotg->gadget.dev.dma_mask = dev->dma_mask;
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hsotg->gadget.dev.release = s3c_hsotg_release;
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/* reset the system */
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@ -3678,7 +3691,6 @@ static int __devexit s3c_hsotg_remove(struct platform_device *pdev)
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clk_put(hsotg->clk);
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device_unregister(&hsotg->gadget.dev);
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kfree(hsotg);
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return 0;
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}
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