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net: stmmac: fix reset gpio free missing

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[ Upstream commit 49ce881c0d4c4a7a35358d9dccd5f26d0e56fc61 ]

Commit 984203ceff ("net: stmmac: mdio: remove reset gpio free")
removed the reset gpio free, when the driver is unbinded or rmmod,
we miss the gpio free.

This patch uses managed API to request the reset gpio, so that the
gpio could be freed properly.

Fixes: 984203ceff ("net: stmmac: mdio: remove reset gpio free")
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jisheng Zhang 2019-05-22 10:05:09 +00:00 • committed by Greg Kroah-Hartman
parent 4f9c73aa29
commit 16ffb5f7c3
1 changed files with 2 additions and 1 deletions
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3
drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
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@ -154,7 +154,8 @@ int stmmac_mdio_reset(struct mii_bus *bus)
of_property_read_u32_array(np,
"snps,reset-delays-us", data->delays, 3);
if (gpio_request(data->reset_gpio, "mdio-reset"))
if (devm_gpio_request(priv->device, data->reset_gpio,
"mdio-reset"))
return 0;
}