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* [PATCH v2 0/2] net: macb: add error handling on probe and
@ 2017-11-08  8:56 Michael Grzeschik
  2017-11-08  8:56 ` [PATCH v2 1/2] net: macb: add of_phy_deregister_fixed_link to error paths Michael Grzeschik
                   ` (2 more replies)
  0 siblings, 3 replies; 6+ messages in thread
From: Michael Grzeschik @ 2017-11-08  8:56 UTC (permalink / raw)
  To: nicolas.ferre; +Cc: netdev, kernel, andrew

This series adds more error handling to the macb driver.

Michael Grzeschik (2):
  net: macb: add of_phy_deregister_fixed_link to error paths
  net: macb: add of_node_put to error paths

 drivers/net/ethernet/cadence/macb_main.c | 9 +++++++++
 1 file changed, 9 insertions(+)

-- 
2.11.0

^ permalink raw reply	[flat|nested] 6+ messages in thread

* [PATCH v2 1/2] net: macb: add of_phy_deregister_fixed_link to error paths
  2017-11-08  8:56 [PATCH v2 0/2] net: macb: add error handling on probe and Michael Grzeschik
@ 2017-11-08  8:56 ` Michael Grzeschik
  2017-11-08  9:26   ` Nicolas Ferre
  2017-11-08  8:56 ` [PATCH v2 2/2] net: macb: add of_node_put " Michael Grzeschik
  2017-11-11  6:28 ` [PATCH v2 0/2] net: macb: add error handling on probe and David Miller
  2 siblings, 1 reply; 6+ messages in thread
From: Michael Grzeschik @ 2017-11-08  8:56 UTC (permalink / raw)
  To: nicolas.ferre; +Cc: netdev, kernel, andrew

We add the call of_phy_deregister_fixed_link to all associated
error paths for memory clean up.

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
---
v2: removed extra parenthesis

drivers/net/ethernet/cadence/macb_main.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index 6df2cad61647a..b7846d6e9234e 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -611,6 +611,8 @@ static int macb_mii_init(struct macb *bp)
 err_out_unregister_bus:
 	mdiobus_unregister(bp->mii_bus);
 err_out_free_mdiobus:
+	if (np && of_phy_is_fixed_link(np))
+		of_phy_deregister_fixed_link(np);
 	mdiobus_free(bp->mii_bus);
 err_out:
 	return err;
@@ -3552,6 +3554,8 @@ static int macb_probe(struct platform_device *pdev)
 err_out_unregister_mdio:
 	phy_disconnect(dev->phydev);
 	mdiobus_unregister(bp->mii_bus);
+	if (np && of_phy_is_fixed_link(np))
+		of_phy_deregister_fixed_link(np);
 	mdiobus_free(bp->mii_bus);
 
 	/* Shutdown the PHY if there is a GPIO reset */
@@ -3574,6 +3578,7 @@ static int macb_remove(struct platform_device *pdev)
 {
 	struct net_device *dev;
 	struct macb *bp;
+	struct device_node *np = pdev->dev.of_node;
 
 	dev = platform_get_drvdata(pdev);
 
@@ -3582,6 +3587,8 @@ static int macb_remove(struct platform_device *pdev)
 		if (dev->phydev)
 			phy_disconnect(dev->phydev);
 		mdiobus_unregister(bp->mii_bus);
+		if (np && of_phy_is_fixed_link(np))
+			of_phy_deregister_fixed_link(np);
 		dev->phydev = NULL;
 		mdiobus_free(bp->mii_bus);
 
-- 
2.11.0

^ permalink raw reply related	[flat|nested] 6+ messages in thread

* [PATCH v2 2/2] net: macb: add of_node_put to error paths
  2017-11-08  8:56 [PATCH v2 0/2] net: macb: add error handling on probe and Michael Grzeschik
  2017-11-08  8:56 ` [PATCH v2 1/2] net: macb: add of_phy_deregister_fixed_link to error paths Michael Grzeschik
@ 2017-11-08  8:56 ` Michael Grzeschik
  2017-11-08  9:26   ` Nicolas Ferre
  2017-11-11  6:28 ` [PATCH v2 0/2] net: macb: add error handling on probe and David Miller
  2 siblings, 1 reply; 6+ messages in thread
From: Michael Grzeschik @ 2017-11-08  8:56 UTC (permalink / raw)
  To: nicolas.ferre; +Cc: netdev, kernel, andrew

We add the call of_node_put(bp->phy_node) to all associated error
paths for memory clean up.

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
---
v2: removed extra of_node_put from macb_remove

 drivers/net/ethernet/cadence/macb_main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index b7846d6e9234e..0f24ca5a24b53 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -611,6 +611,7 @@ static int macb_mii_init(struct macb *bp)
 err_out_unregister_bus:
 	mdiobus_unregister(bp->mii_bus);
 err_out_free_mdiobus:
+	of_node_put(bp->phy_node);
 	if (np && of_phy_is_fixed_link(np))
 		of_phy_deregister_fixed_link(np);
 	mdiobus_free(bp->mii_bus);
@@ -3554,6 +3555,7 @@ static int macb_probe(struct platform_device *pdev)
 err_out_unregister_mdio:
 	phy_disconnect(dev->phydev);
 	mdiobus_unregister(bp->mii_bus);
+	of_node_put(bp->phy_node);
 	if (np && of_phy_is_fixed_link(np))
 		of_phy_deregister_fixed_link(np);
 	mdiobus_free(bp->mii_bus);
-- 
2.11.0

^ permalink raw reply related	[flat|nested] 6+ messages in thread

* Re: [PATCH v2 1/2] net: macb: add of_phy_deregister_fixed_link to error paths
  2017-11-08  8:56 ` [PATCH v2 1/2] net: macb: add of_phy_deregister_fixed_link to error paths Michael Grzeschik
@ 2017-11-08  9:26   ` Nicolas Ferre
  0 siblings, 0 replies; 6+ messages in thread
From: Nicolas Ferre @ 2017-11-08  9:26 UTC (permalink / raw)
  To: Michael Grzeschik; +Cc: netdev, kernel, andrew

On 08/11/2017 at 09:56, Michael Grzeschik wrote:
> We add the call of_phy_deregister_fixed_link to all associated
> error paths for memory clean up.
> 
> Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
> ---
> v2: removed extra parenthesis
> 
> drivers/net/ethernet/cadence/macb_main.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
> index 6df2cad61647a..b7846d6e9234e 100644
> --- a/drivers/net/ethernet/cadence/macb_main.c
> +++ b/drivers/net/ethernet/cadence/macb_main.c
> @@ -611,6 +611,8 @@ static int macb_mii_init(struct macb *bp)
>  err_out_unregister_bus:
>  	mdiobus_unregister(bp->mii_bus);
>  err_out_free_mdiobus:
> +	if (np && of_phy_is_fixed_link(np))
> +		of_phy_deregister_fixed_link(np);
>  	mdiobus_free(bp->mii_bus);
>  err_out:
>  	return err;
> @@ -3552,6 +3554,8 @@ static int macb_probe(struct platform_device *pdev)
>  err_out_unregister_mdio:
>  	phy_disconnect(dev->phydev);
>  	mdiobus_unregister(bp->mii_bus);
> +	if (np && of_phy_is_fixed_link(np))
> +		of_phy_deregister_fixed_link(np);
>  	mdiobus_free(bp->mii_bus);
>  
>  	/* Shutdown the PHY if there is a GPIO reset */
> @@ -3574,6 +3578,7 @@ static int macb_remove(struct platform_device *pdev)
>  {
>  	struct net_device *dev;
>  	struct macb *bp;
> +	struct device_node *np = pdev->dev.of_node;
>  
>  	dev = platform_get_drvdata(pdev);
>  
> @@ -3582,6 +3587,8 @@ static int macb_remove(struct platform_device *pdev)
>  		if (dev->phydev)
>  			phy_disconnect(dev->phydev);
>  		mdiobus_unregister(bp->mii_bus);
> +		if (np && of_phy_is_fixed_link(np))
> +			of_phy_deregister_fixed_link(np);
>  		dev->phydev = NULL;
>  		mdiobus_free(bp->mii_bus);
>  
> 


-- 
Nicolas Ferre

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH v2 2/2] net: macb: add of_node_put to error paths
  2017-11-08  8:56 ` [PATCH v2 2/2] net: macb: add of_node_put " Michael Grzeschik
@ 2017-11-08  9:26   ` Nicolas Ferre
  0 siblings, 0 replies; 6+ messages in thread
From: Nicolas Ferre @ 2017-11-08  9:26 UTC (permalink / raw)
  To: Michael Grzeschik; +Cc: netdev, kernel, andrew

On 08/11/2017 at 09:56, Michael Grzeschik wrote:
> We add the call of_node_put(bp->phy_node) to all associated error
> paths for memory clean up.
> 
> Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com>
> ---
> v2: removed extra of_node_put from macb_remove
> 
>  drivers/net/ethernet/cadence/macb_main.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
> index b7846d6e9234e..0f24ca5a24b53 100644
> --- a/drivers/net/ethernet/cadence/macb_main.c
> +++ b/drivers/net/ethernet/cadence/macb_main.c
> @@ -611,6 +611,7 @@ static int macb_mii_init(struct macb *bp)
>  err_out_unregister_bus:
>  	mdiobus_unregister(bp->mii_bus);
>  err_out_free_mdiobus:
> +	of_node_put(bp->phy_node);
>  	if (np && of_phy_is_fixed_link(np))
>  		of_phy_deregister_fixed_link(np);
>  	mdiobus_free(bp->mii_bus);
> @@ -3554,6 +3555,7 @@ static int macb_probe(struct platform_device *pdev)
>  err_out_unregister_mdio:
>  	phy_disconnect(dev->phydev);
>  	mdiobus_unregister(bp->mii_bus);
> +	of_node_put(bp->phy_node);
>  	if (np && of_phy_is_fixed_link(np))
>  		of_phy_deregister_fixed_link(np);
>  	mdiobus_free(bp->mii_bus);
> 


-- 
Nicolas Ferre

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH v2 0/2] net: macb: add error handling on probe and
  2017-11-08  8:56 [PATCH v2 0/2] net: macb: add error handling on probe and Michael Grzeschik
  2017-11-08  8:56 ` [PATCH v2 1/2] net: macb: add of_phy_deregister_fixed_link to error paths Michael Grzeschik
  2017-11-08  8:56 ` [PATCH v2 2/2] net: macb: add of_node_put " Michael Grzeschik
@ 2017-11-11  6:28 ` David Miller
  2 siblings, 0 replies; 6+ messages in thread
From: David Miller @ 2017-11-11  6:28 UTC (permalink / raw)
  To: m.grzeschik; +Cc: nicolas.ferre, netdev, kernel, andrew

From: Michael Grzeschik <m.grzeschik@pengutronix.de>
Date: Wed,  8 Nov 2017 09:56:33 +0100

> This series adds more error handling to the macb driver.

Series applied to net-next, thanks.

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2017-11-11  6:28 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2017-11-08  8:56 [PATCH v2 0/2] net: macb: add error handling on probe and Michael Grzeschik
2017-11-08  8:56 ` [PATCH v2 1/2] net: macb: add of_phy_deregister_fixed_link to error paths Michael Grzeschik
2017-11-08  9:26   ` Nicolas Ferre
2017-11-08  8:56 ` [PATCH v2 2/2] net: macb: add of_node_put " Michael Grzeschik
2017-11-08  9:26   ` Nicolas Ferre
2017-11-11  6:28 ` [PATCH v2 0/2] net: macb: add error handling on probe and David Miller

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