net: stmmac: rk: fix missing reset_control_put()

rk_gmac_setup() delves into the PHY's DT node to retrieve its reset
control using of_reset_control_get(). However, it never releases it
when the driver is removed. Add reset_control_put() to rk_gmac_exit()
to clean this up.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://patch.msgid.link/E1vl3Fv-00000006v3L-215v@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
index 5f8d2031b97cc46695f3d944dd5bf5f005461850..bc69cbb5a7d4fa2c9f09baa337acf9cb50eabc4b 100644 (file)
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
@@ -1784,6 +1784,8 @@ static void rk_gmac_exit(struct device *dev, void *bsp_priv_)
 
        if (priv->plat->phy_node && bsp_priv->integrated_phy)
                clk_put(bsp_priv->clk_phy);
+
+       reset_control_put(bsp_priv->phy_reset);
 }
 
 static int rk_gmac_probe(struct platform_device *pdev)