target/linux/generic/backport-6.1/790-v6.4-0009-net-dsa-mt7530-introduce-mt7530_remove_common-helper.patch

   1 From 69b838d2629e6b82bcd9e0ab3c1c03f46e5e01d3 Mon Sep 17 00:00:00 2001
   2 From: Daniel Golle <daniel@makrotopia.org>
   3 Date: Mon, 3 Apr 2023 02:18:50 +0100
   4 Subject: [PATCH 09/13] net: dsa: mt7530: introduce mt7530_remove_common helper
   5  function
   6
   7 Move commonly used parts from mt7530_remove into new
   8 mt7530_remove_common helper function which will be used by both,
   9 mt7530_remove and the to-be-introduced mt7988_remove.
  10
  11 Signed-off-by: Daniel Golle <daniel@makrotopia.org>
  12 Reviewed-by: Andrew Lunn <andrew@lunn.ch>
  13 Signed-off-by: David S. Miller <davem@davemloft.net>
  14 ---
  15  drivers/net/dsa/mt7530.c | 18 ++++++++++++------
  16  1 file changed, 12 insertions(+), 6 deletions(-)
  17
  18 --- a/drivers/net/dsa/mt7530.c
  19 +++ b/drivers/net/dsa/mt7530.c
  20 @@ -3291,6 +3291,17 @@ mt7530_probe(struct mdio_device *mdiodev
  21  }
  22
  23  static void
  24 +mt7530_remove_common(struct mt7530_priv *priv)
  25 +{
  26 +       if (priv->irq)
  27 +               mt7530_free_irq(priv);
  28 +
  29 +       dsa_unregister_switch(priv->ds);
  30 +
  31 +       mutex_destroy(&priv->reg_mutex);
  32 +}
  33 +
  34 +static void
  35  mt7530_remove(struct mdio_device *mdiodev)
  36  {
  37         struct mt7530_priv *priv = dev_get_drvdata(&mdiodev->dev);
  38 @@ -3309,15 +3320,10 @@ mt7530_remove(struct mdio_device *mdiode
  39                 dev_err(priv->dev, "Failed to disable io pwr: %d\n",
  40                         ret);
  41
  42 -       if (priv->irq)
  43 -               mt7530_free_irq(priv);
  44 -
  45 -       dsa_unregister_switch(priv->ds);
  46 +       mt7530_remove_common(priv);
  47
  48         for (i = 0; i < 2; ++i)
  49                 mtk_pcs_lynxi_destroy(priv->ports[5 + i].sgmii_pcs);
  50 -
  51 -       mutex_destroy(&priv->reg_mutex);
  52  }
  53
  54  static void mt7530_shutdown(struct mdio_device *mdiodev)