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Message-ID: <20240824181908.122369-1-rosenp@gmail.com>
Date: Sat, 24 Aug 2024 11:18:56 -0700
From: Rosen Penev <rosenp@...il.com>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net,
edumazet@...gle.com,
kuba@...nel.org,
pabeni@...hat.com,
linux@...linux.org.uk,
linux-kernel@...r.kernel.org,
o.rempel@...gutronix.de
Subject: [PATCHv3 net-next] net: ag71xx: get reset control using devm api
Currently, the of variant is missing reset_control_put in error paths.
The devm variant does not require it.
Allows removing mdio_reset from the struct as it is not used outside the
function.
Signed-off-by: Rosen Penev <rosenp@...il.com>
---
v2: don't call after ag71xx_mdio_probe. Already done.
v3: use devm instead.
drivers/net/ethernet/atheros/ag71xx.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/net/ethernet/atheros/ag71xx.c b/drivers/net/ethernet/atheros/ag71xx.c
index 89cd001b385f..d81aa0ccd572 100644
--- a/drivers/net/ethernet/atheros/ag71xx.c
+++ b/drivers/net/ethernet/atheros/ag71xx.c
@@ -379,7 +379,6 @@ struct ag71xx {
u32 fifodata[3];
int mac_idx;
- struct reset_control *mdio_reset;
struct clk *clk_mdio;
};
@@ -683,6 +682,7 @@ static int ag71xx_mdio_probe(struct ag71xx *ag)
struct device *dev = &ag->pdev->dev;
struct net_device *ndev = ag->ndev;
static struct mii_bus *mii_bus;
+ struct reset_control *mdio_reset;
struct device_node *np, *mnp;
int err;
@@ -698,10 +698,10 @@ static int ag71xx_mdio_probe(struct ag71xx *ag)
if (!mii_bus)
return -ENOMEM;
- ag->mdio_reset = of_reset_control_get_exclusive(np, "mdio");
- if (IS_ERR(ag->mdio_reset)) {
+ mdio_reset = devm_reset_control_get_exclusive(dev, "mdio");
+ if (IS_ERR(mdio_reset)) {
netif_err(ag, probe, ndev, "Failed to get reset mdio.\n");
- return PTR_ERR(ag->mdio_reset);
+ return PTR_ERR(mdio_reset);
}
mii_bus->name = "ag71xx_mdio";
@@ -712,10 +712,10 @@ static int ag71xx_mdio_probe(struct ag71xx *ag)
mii_bus->parent = dev;
snprintf(mii_bus->id, MII_BUS_ID_SIZE, "%s.%d", np->name, ag->mac_idx);
- if (!IS_ERR(ag->mdio_reset)) {
- reset_control_assert(ag->mdio_reset);
+ if (!IS_ERR(mdio_reset)) {
+ reset_control_assert(mdio_reset);
msleep(100);
- reset_control_deassert(ag->mdio_reset);
+ reset_control_deassert(mdio_reset);
msleep(200);
}
--
2.46.0
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