[PATCH] net: dsa: bcm_sf2: simplify optional reset handling
From: Philipp Zabel <p.zabel@pengutronix.de>
Date: 2021-03-05 09:15:50
Subsystem:
broadcom b53/sf2 ethernet switch driver, networking drivers, networking [dsa], the rest · Maintainers:
Florian Fainelli, Jonas Gorski, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Andrew Lunn, Vladimir Oltean, Linus Torvalds
As of commit bb475230b8e5 ("reset: make optional functions really
optional"), the reset framework API calls use NULL pointers to describe
optional, non-present reset controls.
This allows to unconditionally return errors from
devm_reset_control_get_optional_exclusive.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
---
drivers/net/dsa/bcm_sf2.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
index 5ee8103b8e9c..f277df922fcd 100644
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c@@ -406,7 +406,7 @@ static int bcm_sf2_sw_rst(struct bcm_sf2_priv *priv) /* The watchdog reset does not work on 7278, we need to hit the * "external" reset line through the reset controller. */ - if (priv->type == BCM7278_DEVICE_ID && !IS_ERR(priv->rcdev)) { + if (priv->type == BCM7278_DEVICE_ID) { ret = reset_control_assert(priv->rcdev); if (ret) return ret;
@@ -1265,7 +1265,7 @@ static int bcm_sf2_sw_probe(struct platform_device *pdev) priv->rcdev = devm_reset_control_get_optional_exclusive(&pdev->dev, "switch"); - if (PTR_ERR(priv->rcdev) == -EPROBE_DEFER) + if (IS_ERR(priv->rcdev)) return PTR_ERR(priv->rcdev); /* Auto-detection using standard registers will not work, so
@@ -1426,7 +1426,7 @@ static int bcm_sf2_sw_remove(struct platform_device *pdev) bcm_sf2_mdio_unregister(priv); clk_disable_unprepare(priv->clk_mdiv); clk_disable_unprepare(priv->clk); - if (priv->type == BCM7278_DEVICE_ID && !IS_ERR(priv->rcdev)) + if (priv->type == BCM7278_DEVICE_ID) reset_control_assert(priv->rcdev); return 0;
--
2.29.2