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net: davicom: Fix regulator not turned off on driver removal 

We must disable the regulator that was enabled in the probe function.

Fixes: 7994fe55a4 ("dm9000: Add regulator and reset support to dm9000")
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Paul Cercueil 2021-03-07 13:17:48 +00:00 committed by David S. Miller
parent ac88c531a5
commit cf9e60aa69
1 changed files with 8 additions and 1 deletions
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9
drivers/net/ethernet/davicom/dm9000.c
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@ -133,6 +133,8 @@ struct board_info {
u32 wake_state;
int ip_summed;
struct regulator *power_supply;
};
/* debug code */
@ -1481,6 +1483,8 @@ dm9000_probe(struct platform_device *pdev)
db->dev = &pdev->dev;
db->ndev = ndev;
if (!IS_ERR(power))
db->power_supply = power;
spin_lock_init(&db->lock);
mutex_init(&db->addr_lock);
@ -1766,10 +1770,13 @@ static int
dm9000_drv_remove(struct platform_device *pdev)
{
struct net_device *ndev = platform_get_drvdata(pdev);
struct board_info *dm = to_dm9000_board(ndev);
unregister_netdev(ndev);
dm9000_release_board(pdev, netdev_priv(ndev));
dm9000_release_board(pdev, dm);
free_netdev(ndev); /* free device structure */
if (dm->power_supply)
regulator_disable(dm->power_supply);
dev_dbg(&pdev->dev, "released and freed device\n");
return 0;