* [PATCH] net: dsa: bcm_sf2: simplify optional reset handling
@ 2021-03-05 9:14 Philipp Zabel
2021-03-06 4:24 ` Florian Fainelli
2021-03-08 20:00 ` patchwork-bot+netdevbpf
0 siblings, 2 replies; 3+ messages in thread
From: Philipp Zabel @ 2021-03-05 9:14 UTC (permalink / raw)
To: netdev; +Cc: Florian Fainelli, Andrew Lunn, Vivien Didelot, Vladimir Oltean
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
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] net: dsa: bcm_sf2: simplify optional reset handling
2021-03-05 9:14 [PATCH] net: dsa: bcm_sf2: simplify optional reset handling Philipp Zabel
@ 2021-03-06 4:24 ` Florian Fainelli
2021-03-08 20:00 ` patchwork-bot+netdevbpf
1 sibling, 0 replies; 3+ messages in thread
From: Florian Fainelli @ 2021-03-06 4:24 UTC (permalink / raw)
To: Philipp Zabel, netdev; +Cc: Andrew Lunn, Vivien Didelot, Vladimir Oltean
On 3/5/2021 1:14 AM, Philipp Zabel wrote:
> 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>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
--
Florian
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] net: dsa: bcm_sf2: simplify optional reset handling
2021-03-05 9:14 [PATCH] net: dsa: bcm_sf2: simplify optional reset handling Philipp Zabel
2021-03-06 4:24 ` Florian Fainelli
@ 2021-03-08 20:00 ` patchwork-bot+netdevbpf
1 sibling, 0 replies; 3+ messages in thread
From: patchwork-bot+netdevbpf @ 2021-03-08 20:00 UTC (permalink / raw)
To: Philipp Zabel; +Cc: netdev, f.fainelli, andrew, vivien.didelot, olteanv
Hello:
This patch was applied to netdev/net.git (refs/heads/master):
On Fri, 5 Mar 2021 10:14:48 +0100 you wrote:
> 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.
>
> [...]
Here is the summary with links:
- net: dsa: bcm_sf2: simplify optional reset handling
https://git.kernel.org/netdev/net/c/bf9279cd63dc
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
^ permalink raw reply [flat|nested] 3+ messages in thread
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2021-03-05 9:14 [PATCH] net: dsa: bcm_sf2: simplify optional reset handling Philipp Zabel
2021-03-06 4:24 ` Florian Fainelli
2021-03-08 20:00 ` patchwork-bot+netdevbpf
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