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Commit 030b16a0 authored by Mugunthan V N's avatar Mugunthan V N Committed by David S. Miller
Browse files

drivers: net: cpsw: remove child devices while driver detach 



remove all the child devices from the system to make sure that re-insert of
cpsw module doesn't fail on child device populated by of_platform_populate().

Signed-off-by: default avatarMugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent fc7a99fb

drivers/net/ethernet/ti/cpsw.c

+10 −0
Original line number Diff line number Diff line
@@ -2392,6 +2392,15 @@ static int cpsw_probe(struct platform_device *pdev) 
	return ret;

}



static int cpsw_remove_child_device(struct device *dev, void *c)

{

	struct platform_device *pdev = to_platform_device(dev);



	of_device_unregister(pdev);



	return 0;

}



static int cpsw_remove(struct platform_device *pdev)

{

	struct net_device *ndev = platform_get_drvdata(pdev);
@@ -2406,6 +2415,7 @@ static int cpsw_remove(struct platform_device *pdev) 
	cpdma_chan_destroy(priv->rxch);

	cpdma_ctlr_destroy(priv->dma);

	pm_runtime_disable(&pdev->dev);

	device_for_each_child(&pdev->dev, NULL, cpsw_remove_child_device);

	if (priv->data.dual_emac)

		free_netdev(cpsw_get_slave_ndev(priv, 1));

	free_netdev(ndev);