* [PATCH 0/2] DSA cleanups
@ 2021-09-18 11:49 Vladimir Oltean
2021-09-18 11:49 ` [PATCH 1/2] net: dsa: pass CPU port fixed PHY to .port_disable Vladimir Oltean
2021-09-18 11:49 ` [PATCH 2/2] net: dsa: remove unused variables Vladimir Oltean
0 siblings, 2 replies; 6+ messages in thread
From: Vladimir Oltean @ 2021-09-18 11:49 UTC (permalink / raw)
To: u-boot; +Cc: Joe Hershberger, Ramon Fried, Tim Harvey, Michael Walle
This series contains a bug fix and a cleanup for W=1 builds.
Vladimir Oltean (2):
net: dsa: pass CPU port fixed PHY to .port_disable
net: dsa: remove unused variables
net/dsa-uclass.c | 16 ++--------------
1 file changed, 2 insertions(+), 14 deletions(-)
--
2.25.1
^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH 1/2] net: dsa: pass CPU port fixed PHY to .port_disable
2021-09-18 11:49 [PATCH 0/2] DSA cleanups Vladimir Oltean
@ 2021-09-18 11:49 ` Vladimir Oltean
2021-09-28 13:27 ` Ramon Fried
2021-09-28 15:10 ` Tim Harvey
2021-09-18 11:49 ` [PATCH 2/2] net: dsa: remove unused variables Vladimir Oltean
1 sibling, 2 replies; 6+ messages in thread
From: Vladimir Oltean @ 2021-09-18 11:49 UTC (permalink / raw)
To: u-boot; +Cc: Joe Hershberger, Ramon Fried, Tim Harvey, Michael Walle
While adding the logic for DSA to register a fixed-link PHY for the CPU
port, I forgot to pass it to the .port_disable method too, just
.port_enable.
Bug had no impact for felix_switch.c, due to the phy argument not being
used, but ksz9477.c does use it => NULL pointer dereference.
Fixes: fc054d563bfb ("net: Introduce DSA class for Ethernet switches")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
---
net/dsa-uclass.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/dsa-uclass.c b/net/dsa-uclass.c
index 9b8ae1e82b92..d1c6c78acd6c 100644
--- a/net/dsa-uclass.c
+++ b/net/dsa-uclass.c
@@ -100,7 +100,7 @@ static void dsa_port_stop(struct udevice *pdev)
port_pdata = dev_get_parent_plat(pdev);
ops->port_disable(dev, port_pdata->index, port_pdata->phy);
- ops->port_disable(dev, priv->cpu_port, NULL);
+ ops->port_disable(dev, priv->cpu_port, priv->cpu_port_fixed_phy);
}
eth_get_ops(master)->stop(master);
--
2.25.1
^ permalink raw reply related [flat|nested] 6+ messages in thread* Re: [PATCH 1/2] net: dsa: pass CPU port fixed PHY to .port_disable
2021-09-18 11:49 ` [PATCH 1/2] net: dsa: pass CPU port fixed PHY to .port_disable Vladimir Oltean
@ 2021-09-28 13:27 ` Ramon Fried
2021-09-28 15:10 ` Tim Harvey
1 sibling, 0 replies; 6+ messages in thread
From: Ramon Fried @ 2021-09-28 13:27 UTC (permalink / raw)
To: Vladimir Oltean
Cc: U-Boot Mailing List, Joe Hershberger, Tim Harvey, Michael Walle
On Sat, Sep 18, 2021 at 2:50 PM Vladimir Oltean <vladimir.oltean@nxp.com> wrote:
>
> While adding the logic for DSA to register a fixed-link PHY for the CPU
> port, I forgot to pass it to the .port_disable method too, just
> .port_enable.
>
> Bug had no impact for felix_switch.c, due to the phy argument not being
> used, but ksz9477.c does use it => NULL pointer dereference.
>
> Fixes: fc054d563bfb ("net: Introduce DSA class for Ethernet switches")
> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
> ---
> net/dsa-uclass.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/net/dsa-uclass.c b/net/dsa-uclass.c
> index 9b8ae1e82b92..d1c6c78acd6c 100644
> --- a/net/dsa-uclass.c
> +++ b/net/dsa-uclass.c
> @@ -100,7 +100,7 @@ static void dsa_port_stop(struct udevice *pdev)
>
> port_pdata = dev_get_parent_plat(pdev);
> ops->port_disable(dev, port_pdata->index, port_pdata->phy);
> - ops->port_disable(dev, priv->cpu_port, NULL);
> + ops->port_disable(dev, priv->cpu_port, priv->cpu_port_fixed_phy);
> }
>
> eth_get_ops(master)->stop(master);
> --
> 2.25.1
>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
^ permalink raw reply [flat|nested] 6+ messages in thread* Re: [PATCH 1/2] net: dsa: pass CPU port fixed PHY to .port_disable
2021-09-18 11:49 ` [PATCH 1/2] net: dsa: pass CPU port fixed PHY to .port_disable Vladimir Oltean
2021-09-28 13:27 ` Ramon Fried
@ 2021-09-28 15:10 ` Tim Harvey
1 sibling, 0 replies; 6+ messages in thread
From: Tim Harvey @ 2021-09-28 15:10 UTC (permalink / raw)
To: Vladimir Oltean; +Cc: u-boot, Joe Hershberger, Ramon Fried, Michael Walle
On Sat, Sep 18, 2021 at 4:50 AM Vladimir Oltean <vladimir.oltean@nxp.com> wrote:
>
> While adding the logic for DSA to register a fixed-link PHY for the CPU
> port, I forgot to pass it to the .port_disable method too, just
> .port_enable.
>
> Bug had no impact for felix_switch.c, due to the phy argument not being
> used, but ksz9477.c does use it => NULL pointer dereference.
>
> Fixes: fc054d563bfb ("net: Introduce DSA class for Ethernet switches")
> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
> ---
> net/dsa-uclass.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/net/dsa-uclass.c b/net/dsa-uclass.c
> index 9b8ae1e82b92..d1c6c78acd6c 100644
> --- a/net/dsa-uclass.c
> +++ b/net/dsa-uclass.c
> @@ -100,7 +100,7 @@ static void dsa_port_stop(struct udevice *pdev)
>
> port_pdata = dev_get_parent_plat(pdev);
> ops->port_disable(dev, port_pdata->index, port_pdata->phy);
> - ops->port_disable(dev, priv->cpu_port, NULL);
> + ops->port_disable(dev, priv->cpu_port, priv->cpu_port_fixed_phy);
> }
>
> eth_get_ops(master)->stop(master);
> --
> 2.25.1
>
Turns out ksz9477.c only used it if debug was enabled as right after
the debug print it would return for cpu port.
Tested on imx8mm-venice-gw7901 with ksz9477 switch.
Tested-By: Tim Harvey <tharvey@gateworks.com>
^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH 2/2] net: dsa: remove unused variables
2021-09-18 11:49 [PATCH 0/2] DSA cleanups Vladimir Oltean
2021-09-18 11:49 ` [PATCH 1/2] net: dsa: pass CPU port fixed PHY to .port_disable Vladimir Oltean
@ 2021-09-18 11:49 ` Vladimir Oltean
2021-09-28 13:28 ` Ramon Fried
1 sibling, 1 reply; 6+ messages in thread
From: Vladimir Oltean @ 2021-09-18 11:49 UTC (permalink / raw)
To: u-boot; +Cc: Joe Hershberger, Ramon Fried, Tim Harvey, Michael Walle
"dev" and "dsa_pdata" are unused inside dsa_port_of_to_pdata.
"dsa_priv" is unused inside dsa_port_probe.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
---
net/dsa-uclass.c | 14 +-------------
1 file changed, 1 insertion(+), 13 deletions(-)
diff --git a/net/dsa-uclass.c b/net/dsa-uclass.c
index d1c6c78acd6c..8a2918816e30 100644
--- a/net/dsa-uclass.c
+++ b/net/dsa-uclass.c
@@ -199,9 +199,7 @@ static int dsa_port_free_pkt(struct udevice *pdev, uchar *packet, int length)
static int dsa_port_of_to_pdata(struct udevice *pdev)
{
struct dsa_port_pdata *port_pdata;
- struct dsa_pdata *dsa_pdata;
struct eth_pdata *eth_pdata;
- struct udevice *dev;
const char *label;
u32 index;
int err;
@@ -213,9 +211,6 @@ static int dsa_port_of_to_pdata(struct udevice *pdev)
if (err)
return err;
- dev = dev_get_parent(pdev);
- dsa_pdata = dev_get_uclass_plat(dev);
-
port_pdata = dev_get_parent_plat(pdev);
port_pdata->index = index;
@@ -272,12 +267,10 @@ static int dsa_port_probe(struct udevice *pdev)
struct udevice *dev = dev_get_parent(pdev);
struct dsa_ops *ops = dsa_get_ops(dev);
struct dsa_port_pdata *port_pdata;
- struct dsa_priv *dsa_priv;
struct udevice *master;
int err;
port_pdata = dev_get_parent_plat(pdev);
- dsa_priv = dev_get_uclass_priv(dev);
port_pdata->phy = dm_eth_phy_connect(pdev);
if (!port_pdata->phy)
@@ -312,12 +305,7 @@ static int dsa_port_probe(struct udevice *pdev)
static int dsa_port_remove(struct udevice *pdev)
{
- struct udevice *dev = dev_get_parent(pdev);
- struct dsa_port_pdata *port_pdata;
- struct dsa_priv *dsa_priv;
-
- port_pdata = dev_get_parent_plat(pdev);
- dsa_priv = dev_get_uclass_priv(dev);
+ struct dsa_port_pdata *port_pdata = dev_get_parent_plat(pdev);
port_pdata->phy = NULL;
--
2.25.1
^ permalink raw reply related [flat|nested] 6+ messages in thread* Re: [PATCH 2/2] net: dsa: remove unused variables
2021-09-18 11:49 ` [PATCH 2/2] net: dsa: remove unused variables Vladimir Oltean
@ 2021-09-28 13:28 ` Ramon Fried
0 siblings, 0 replies; 6+ messages in thread
From: Ramon Fried @ 2021-09-28 13:28 UTC (permalink / raw)
To: Vladimir Oltean
Cc: U-Boot Mailing List, Joe Hershberger, Tim Harvey, Michael Walle
On Sat, Sep 18, 2021 at 2:50 PM Vladimir Oltean <vladimir.oltean@nxp.com> wrote:
>
> "dev" and "dsa_pdata" are unused inside dsa_port_of_to_pdata.
>
> "dsa_priv" is unused inside dsa_port_probe.
>
> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
> ---
> net/dsa-uclass.c | 14 +-------------
> 1 file changed, 1 insertion(+), 13 deletions(-)
>
> diff --git a/net/dsa-uclass.c b/net/dsa-uclass.c
> index d1c6c78acd6c..8a2918816e30 100644
> --- a/net/dsa-uclass.c
> +++ b/net/dsa-uclass.c
> @@ -199,9 +199,7 @@ static int dsa_port_free_pkt(struct udevice *pdev, uchar *packet, int length)
> static int dsa_port_of_to_pdata(struct udevice *pdev)
> {
> struct dsa_port_pdata *port_pdata;
> - struct dsa_pdata *dsa_pdata;
> struct eth_pdata *eth_pdata;
> - struct udevice *dev;
> const char *label;
> u32 index;
> int err;
> @@ -213,9 +211,6 @@ static int dsa_port_of_to_pdata(struct udevice *pdev)
> if (err)
> return err;
>
> - dev = dev_get_parent(pdev);
> - dsa_pdata = dev_get_uclass_plat(dev);
> -
> port_pdata = dev_get_parent_plat(pdev);
> port_pdata->index = index;
>
> @@ -272,12 +267,10 @@ static int dsa_port_probe(struct udevice *pdev)
> struct udevice *dev = dev_get_parent(pdev);
> struct dsa_ops *ops = dsa_get_ops(dev);
> struct dsa_port_pdata *port_pdata;
> - struct dsa_priv *dsa_priv;
> struct udevice *master;
> int err;
>
> port_pdata = dev_get_parent_plat(pdev);
> - dsa_priv = dev_get_uclass_priv(dev);
>
> port_pdata->phy = dm_eth_phy_connect(pdev);
> if (!port_pdata->phy)
> @@ -312,12 +305,7 @@ static int dsa_port_probe(struct udevice *pdev)
>
> static int dsa_port_remove(struct udevice *pdev)
> {
> - struct udevice *dev = dev_get_parent(pdev);
> - struct dsa_port_pdata *port_pdata;
> - struct dsa_priv *dsa_priv;
> -
> - port_pdata = dev_get_parent_plat(pdev);
> - dsa_priv = dev_get_uclass_priv(dev);
> + struct dsa_port_pdata *port_pdata = dev_get_parent_plat(pdev);
>
> port_pdata->phy = NULL;
>
> --
> 2.25.1
>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2021-09-28 15:11 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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2021-09-18 11:49 [PATCH 0/2] DSA cleanups Vladimir Oltean
2021-09-18 11:49 ` [PATCH 1/2] net: dsa: pass CPU port fixed PHY to .port_disable Vladimir Oltean
2021-09-28 13:27 ` Ramon Fried
2021-09-28 15:10 ` Tim Harvey
2021-09-18 11:49 ` [PATCH 2/2] net: dsa: remove unused variables Vladimir Oltean
2021-09-28 13:28 ` Ramon Fried
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