diff mbox series

[net-next] net: use pdev instead of OF funcs

Message ID 20241109233821.8619-1-rosenp@gmail.com (mailing list archive)
State New
Headers show
Series [net-next] net: use pdev instead of OF funcs | expand

Commit Message

Rosen Penev Nov. 9, 2024, 11:38 p.m. UTC
np here is ofdev->dev.of_node. Better to use the proper functions as
there's no use of children or anything else.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
---
 drivers/net/can/grcan.c                       |  2 +-
 drivers/net/can/mscan/mpc5xxx_can.c           |  2 +-
 drivers/net/dsa/bcm_sf2.c                     |  4 ++--
 drivers/net/ethernet/allwinner/sun4i-emac.c   |  2 +-
 drivers/net/ethernet/freescale/fec_mpc52xx.c  | 23 ++++++++++---------
 .../net/ethernet/freescale/fec_mpc52xx_phy.c  | 12 ++++++----
 .../net/ethernet/freescale/fs_enet/mac-fcc.c  |  2 +-
 .../net/ethernet/freescale/fs_enet/mac-fec.c  |  2 +-
 .../net/ethernet/freescale/fs_enet/mac-scc.c  |  2 +-
 .../net/ethernet/freescale/fs_enet/mii-fec.c  | 12 ++++++----
 drivers/net/ethernet/freescale/ucc_geth.c     | 12 +++++-----
 drivers/net/ethernet/marvell/mvneta.c         |  2 +-
 drivers/net/ethernet/moxa/moxart_ether.c      |  4 ++--
 .../ethernet/samsung/sxgbe/sxgbe_platform.c   |  8 +++----
 drivers/net/ethernet/via/via-rhine.c          |  2 +-
 drivers/net/ethernet/via/via-velocity.c       |  2 +-
 drivers/net/ethernet/xilinx/ll_temac_mdio.c   |  6 ++---
 drivers/net/mdio/mdio-mux-mmioreg.c           | 16 +++++++------
 drivers/net/wan/fsl_ucc_hdlc.c                | 10 ++++----
 19 files changed, 66 insertions(+), 59 deletions(-)

Comments

Francois Romieu Nov. 10, 2024, 4:37 p.m. UTC | #1
Rosen Penev <rosenp@gmail.com> :
> np here is ofdev->dev.of_node. Better to use the proper functions as
> there's no use of children or anything else.
> 
> Signed-off-by: Rosen Penev <rosenp@gmail.com>
> ---
[...]
> diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c
> index 894911f3d560..f079242c33e2 100644
> --- a/drivers/net/ethernet/via/via-rhine.c
> +++ b/drivers/net/ethernet/via/via-rhine.c
> @@ -1127,7 +1127,7 @@ static int rhine_init_one_platform(struct platform_device *pdev)
>  	if (IS_ERR(ioaddr))
>  		return PTR_ERR(ioaddr);
>  
> -	irq = irq_of_parse_and_map(pdev->dev.of_node, 0);
> +	irq = platform_get_irq(pdev, 0);
>  	if (!irq)
>  		return -EINVAL;
>  
> diff --git a/drivers/net/ethernet/via/via-velocity.c b/drivers/net/ethernet/via/via-velocity.c
> index dd4a07c97eee..4aac9599c14d 100644
> --- a/drivers/net/ethernet/via/via-velocity.c
> +++ b/drivers/net/ethernet/via/via-velocity.c
> @@ -2950,7 +2950,7 @@ static int velocity_platform_probe(struct platform_device *pdev)
>  	if (!info)
>  		return -EINVAL;
>  
> -	irq = irq_of_parse_and_map(pdev->dev.of_node, 0);
> +	irq = platform_get_irq(pdev, 0);
>  	if (!irq)
>  		return -EINVAL;
>  

The change makes sense. However neither the description nor the commit message
really match here.
Rob Herring (Arm) Nov. 11, 2024, 4:20 p.m. UTC | #2
On Sat, Nov 9, 2024 at 5:40 PM Rosen Penev <rosenp@gmail.com> wrote:
>
> np here is ofdev->dev.of_node. Better to use the proper functions as
> there's no use of children or anything else.

Your commit message needs some work.

> Signed-off-by: Rosen Penev <rosenp@gmail.com>
> ---
>  drivers/net/can/grcan.c                       |  2 +-
>  drivers/net/can/mscan/mpc5xxx_can.c           |  2 +-
>  drivers/net/dsa/bcm_sf2.c                     |  4 ++--
>  drivers/net/ethernet/allwinner/sun4i-emac.c   |  2 +-
>  drivers/net/ethernet/freescale/fec_mpc52xx.c  | 23 ++++++++++---------
>  .../net/ethernet/freescale/fec_mpc52xx_phy.c  | 12 ++++++----
>  .../net/ethernet/freescale/fs_enet/mac-fcc.c  |  2 +-
>  .../net/ethernet/freescale/fs_enet/mac-fec.c  |  2 +-
>  .../net/ethernet/freescale/fs_enet/mac-scc.c  |  2 +-
>  .../net/ethernet/freescale/fs_enet/mii-fec.c  | 12 ++++++----
>  drivers/net/ethernet/freescale/ucc_geth.c     | 12 +++++-----
>  drivers/net/ethernet/marvell/mvneta.c         |  2 +-
>  drivers/net/ethernet/moxa/moxart_ether.c      |  4 ++--
>  .../ethernet/samsung/sxgbe/sxgbe_platform.c   |  8 +++----
>  drivers/net/ethernet/via/via-rhine.c          |  2 +-
>  drivers/net/ethernet/via/via-velocity.c       |  2 +-
>  drivers/net/ethernet/xilinx/ll_temac_mdio.c   |  6 ++---
>  drivers/net/mdio/mdio-mux-mmioreg.c           | 16 +++++++------
>  drivers/net/wan/fsl_ucc_hdlc.c                | 10 ++++----
>  19 files changed, 66 insertions(+), 59 deletions(-)
>
> diff --git a/drivers/net/can/grcan.c b/drivers/net/can/grcan.c
> index cdf0ec9fa7f3..0a2cc0ba219f 100644
> --- a/drivers/net/can/grcan.c
> +++ b/drivers/net/can/grcan.c
> @@ -1673,7 +1673,7 @@ static int grcan_probe(struct platform_device *ofdev)
>                 goto exit_error;
>         }
>
> -       irq = irq_of_parse_and_map(np, GRCAN_IRQIX_IRQ);
> +       irq = platform_get_irq(ofdev, GRCAN_IRQIX_IRQ);
>         if (!irq) {
>                 dev_err(&ofdev->dev, "no irq found\n");
>                 err = -ENODEV;
> diff --git a/drivers/net/can/mscan/mpc5xxx_can.c b/drivers/net/can/mscan/mpc5xxx_can.c
> index 0080c39ee182..252ad40bdb97 100644
> --- a/drivers/net/can/mscan/mpc5xxx_can.c
> +++ b/drivers/net/can/mscan/mpc5xxx_can.c
> @@ -300,7 +300,7 @@ static int mpc5xxx_can_probe(struct platform_device *ofdev)
>         if (!base)
>                 return dev_err_probe(&ofdev->dev, err, "couldn't ioremap\n");
>
> -       irq = irq_of_parse_and_map(np, 0);
> +       irq = platform_get_irq(ofdev, 0);
>         if (!irq) {
>                 dev_err(&ofdev->dev, "no irq found\n");
>                 err = -ENODEV;
> diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
> index 43bde1f583ff..9229582efd05 100644
> --- a/drivers/net/dsa/bcm_sf2.c
> +++ b/drivers/net/dsa/bcm_sf2.c
> @@ -1443,8 +1443,8 @@ static int bcm_sf2_sw_probe(struct platform_device *pdev)
>                 of_node_put(ports);
>         }
>
> -       priv->irq0 = irq_of_parse_and_map(dn, 0);
> -       priv->irq1 = irq_of_parse_and_map(dn, 1);
> +       priv->irq0 = platform_get_irq(pdev, 0);
> +       priv->irq1 = platform_get_irq(pdev, 1);
>
>         base = &priv->core;
>         for (i = 0; i < BCM_SF2_REGS_NUM; i++) {
> diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c
> index 2f516b950f4e..18df8d1d93fd 100644
> --- a/drivers/net/ethernet/allwinner/sun4i-emac.c
> +++ b/drivers/net/ethernet/allwinner/sun4i-emac.c
> @@ -995,7 +995,7 @@ static int emac_probe(struct platform_device *pdev)
>
>         /* fill in parameters for net-dev structure */
>         ndev->base_addr = (unsigned long)db->membase;
> -       ndev->irq = irq_of_parse_and_map(np, 0);
> +       ndev->irq = platform_get_irq(pdev, 0);
>         if (ndev->irq == -ENXIO) {
>                 netdev_err(ndev, "No irq resource\n");
>                 ret = ndev->irq;
> diff --git a/drivers/net/ethernet/freescale/fec_mpc52xx.c b/drivers/net/ethernet/freescale/fec_mpc52xx.c
> index 2bfaf14f65c8..553d33a98c99 100644
> --- a/drivers/net/ethernet/freescale/fec_mpc52xx.c
> +++ b/drivers/net/ethernet/freescale/fec_mpc52xx.c
> @@ -811,7 +811,7 @@ static int mpc52xx_fec_probe(struct platform_device *op)
>         int rv;
>         struct net_device *ndev;
>         struct mpc52xx_fec_priv *priv = NULL;
> -       struct resource mem;
> +       struct resource *mem;
>         const u32 *prop;
>         int prop_size;
>         struct device_node *np = op->dev.of_node;
> @@ -828,20 +828,21 @@ static int mpc52xx_fec_probe(struct platform_device *op)
>         priv->ndev = ndev;
>
>         /* Reserve FEC control zone */
> -       rv = of_address_to_resource(np, 0, &mem);
> -       if (rv) {
> +       mem = platform_get_resource(op, 0, IORESOURCE_MEM);
> +       if (!mem) {
>                 pr_err("Error while parsing device node resource\n");
> +               rv = -ENODEV;
>                 goto err_netdev;
>         }
> -       if (resource_size(&mem) < sizeof(struct mpc52xx_fec)) {
> +       if (resource_size(mem) < sizeof(struct mpc52xx_fec)) {
>                 pr_err("invalid resource size (%lx < %x), check mpc52xx_devices.c\n",
> -                      (unsigned long)resource_size(&mem),
> +                      (unsigned long)resource_size(mem),
>                        sizeof(struct mpc52xx_fec));
>                 rv = -EINVAL;
>                 goto err_netdev;
>         }
>
> -       if (!request_mem_region(mem.start, sizeof(struct mpc52xx_fec),
> +       if (!request_mem_region(mem->start, sizeof(struct mpc52xx_fec),
>                                 DRIVER_NAME)) {
>                 rv = -EBUSY;
>                 goto err_netdev;
> @@ -851,13 +852,13 @@ static int mpc52xx_fec_probe(struct platform_device *op)
>         ndev->netdev_ops        = &mpc52xx_fec_netdev_ops;
>         ndev->ethtool_ops       = &mpc52xx_fec_ethtool_ops;
>         ndev->watchdog_timeo    = FEC_WATCHDOG_TIMEOUT;
> -       ndev->base_addr         = mem.start;
> +       ndev->base_addr         = mem->start;
>         SET_NETDEV_DEV(ndev, &op->dev);
>
>         spin_lock_init(&priv->lock);
>
>         /* ioremap the zones */
> -       priv->fec = ioremap(mem.start, sizeof(struct mpc52xx_fec));
> +       priv->fec = ioremap(mem->start, sizeof(struct mpc52xx_fec));

Generally, devm_platform_ioremap_resource(),
devm_platform_get_and_ioremap_resource(), etc. are preferred. So if
we're going to rework things, rework them to use those.

Rob
Rosen Penev Nov. 11, 2024, 6:15 p.m. UTC | #3
On Mon, Nov 11, 2024 at 8:21 AM Rob Herring <robh@kernel.org> wrote:
>
> On Sat, Nov 9, 2024 at 5:40 PM Rosen Penev <rosenp@gmail.com> wrote:
> >
> > np here is ofdev->dev.of_node. Better to use the proper functions as
> > there's no use of children or anything else.
>
> Your commit message needs some work.
>
> > Signed-off-by: Rosen Penev <rosenp@gmail.com>
> > ---
> >  drivers/net/can/grcan.c                       |  2 +-
> >  drivers/net/can/mscan/mpc5xxx_can.c           |  2 +-
> >  drivers/net/dsa/bcm_sf2.c                     |  4 ++--
> >  drivers/net/ethernet/allwinner/sun4i-emac.c   |  2 +-
> >  drivers/net/ethernet/freescale/fec_mpc52xx.c  | 23 ++++++++++---------
> >  .../net/ethernet/freescale/fec_mpc52xx_phy.c  | 12 ++++++----
> >  .../net/ethernet/freescale/fs_enet/mac-fcc.c  |  2 +-
> >  .../net/ethernet/freescale/fs_enet/mac-fec.c  |  2 +-
> >  .../net/ethernet/freescale/fs_enet/mac-scc.c  |  2 +-
> >  .../net/ethernet/freescale/fs_enet/mii-fec.c  | 12 ++++++----
> >  drivers/net/ethernet/freescale/ucc_geth.c     | 12 +++++-----
> >  drivers/net/ethernet/marvell/mvneta.c         |  2 +-
> >  drivers/net/ethernet/moxa/moxart_ether.c      |  4 ++--
> >  .../ethernet/samsung/sxgbe/sxgbe_platform.c   |  8 +++----
> >  drivers/net/ethernet/via/via-rhine.c          |  2 +-
> >  drivers/net/ethernet/via/via-velocity.c       |  2 +-
> >  drivers/net/ethernet/xilinx/ll_temac_mdio.c   |  6 ++---
> >  drivers/net/mdio/mdio-mux-mmioreg.c           | 16 +++++++------
> >  drivers/net/wan/fsl_ucc_hdlc.c                | 10 ++++----
> >  19 files changed, 66 insertions(+), 59 deletions(-)
> >
> > diff --git a/drivers/net/can/grcan.c b/drivers/net/can/grcan.c
> > index cdf0ec9fa7f3..0a2cc0ba219f 100644
> > --- a/drivers/net/can/grcan.c
> > +++ b/drivers/net/can/grcan.c
> > @@ -1673,7 +1673,7 @@ static int grcan_probe(struct platform_device *ofdev)
> >                 goto exit_error;
> >         }
> >
> > -       irq = irq_of_parse_and_map(np, GRCAN_IRQIX_IRQ);
> > +       irq = platform_get_irq(ofdev, GRCAN_IRQIX_IRQ);
> >         if (!irq) {
> >                 dev_err(&ofdev->dev, "no irq found\n");
> >                 err = -ENODEV;
> > diff --git a/drivers/net/can/mscan/mpc5xxx_can.c b/drivers/net/can/mscan/mpc5xxx_can.c
> > index 0080c39ee182..252ad40bdb97 100644
> > --- a/drivers/net/can/mscan/mpc5xxx_can.c
> > +++ b/drivers/net/can/mscan/mpc5xxx_can.c
> > @@ -300,7 +300,7 @@ static int mpc5xxx_can_probe(struct platform_device *ofdev)
> >         if (!base)
> >                 return dev_err_probe(&ofdev->dev, err, "couldn't ioremap\n");
> >
> > -       irq = irq_of_parse_and_map(np, 0);
> > +       irq = platform_get_irq(ofdev, 0);
> >         if (!irq) {
> >                 dev_err(&ofdev->dev, "no irq found\n");
> >                 err = -ENODEV;
> > diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
> > index 43bde1f583ff..9229582efd05 100644
> > --- a/drivers/net/dsa/bcm_sf2.c
> > +++ b/drivers/net/dsa/bcm_sf2.c
> > @@ -1443,8 +1443,8 @@ static int bcm_sf2_sw_probe(struct platform_device *pdev)
> >                 of_node_put(ports);
> >         }
> >
> > -       priv->irq0 = irq_of_parse_and_map(dn, 0);
> > -       priv->irq1 = irq_of_parse_and_map(dn, 1);
> > +       priv->irq0 = platform_get_irq(pdev, 0);
> > +       priv->irq1 = platform_get_irq(pdev, 1);
> >
> >         base = &priv->core;
> >         for (i = 0; i < BCM_SF2_REGS_NUM; i++) {
> > diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c
> > index 2f516b950f4e..18df8d1d93fd 100644
> > --- a/drivers/net/ethernet/allwinner/sun4i-emac.c
> > +++ b/drivers/net/ethernet/allwinner/sun4i-emac.c
> > @@ -995,7 +995,7 @@ static int emac_probe(struct platform_device *pdev)
> >
> >         /* fill in parameters for net-dev structure */
> >         ndev->base_addr = (unsigned long)db->membase;
> > -       ndev->irq = irq_of_parse_and_map(np, 0);
> > +       ndev->irq = platform_get_irq(pdev, 0);
> >         if (ndev->irq == -ENXIO) {
> >                 netdev_err(ndev, "No irq resource\n");
> >                 ret = ndev->irq;
> > diff --git a/drivers/net/ethernet/freescale/fec_mpc52xx.c b/drivers/net/ethernet/freescale/fec_mpc52xx.c
> > index 2bfaf14f65c8..553d33a98c99 100644
> > --- a/drivers/net/ethernet/freescale/fec_mpc52xx.c
> > +++ b/drivers/net/ethernet/freescale/fec_mpc52xx.c
> > @@ -811,7 +811,7 @@ static int mpc52xx_fec_probe(struct platform_device *op)
> >         int rv;
> >         struct net_device *ndev;
> >         struct mpc52xx_fec_priv *priv = NULL;
> > -       struct resource mem;
> > +       struct resource *mem;
> >         const u32 *prop;
> >         int prop_size;
> >         struct device_node *np = op->dev.of_node;
> > @@ -828,20 +828,21 @@ static int mpc52xx_fec_probe(struct platform_device *op)
> >         priv->ndev = ndev;
> >
> >         /* Reserve FEC control zone */
> > -       rv = of_address_to_resource(np, 0, &mem);
> > -       if (rv) {
> > +       mem = platform_get_resource(op, 0, IORESOURCE_MEM);
> > +       if (!mem) {
> >                 pr_err("Error while parsing device node resource\n");
> > +               rv = -ENODEV;
> >                 goto err_netdev;
> >         }
> > -       if (resource_size(&mem) < sizeof(struct mpc52xx_fec)) {
> > +       if (resource_size(mem) < sizeof(struct mpc52xx_fec)) {
> >                 pr_err("invalid resource size (%lx < %x), check mpc52xx_devices.c\n",
> > -                      (unsigned long)resource_size(&mem),
> > +                      (unsigned long)resource_size(mem),
> >                        sizeof(struct mpc52xx_fec));
> >                 rv = -EINVAL;
> >                 goto err_netdev;
> >         }
> >
> > -       if (!request_mem_region(mem.start, sizeof(struct mpc52xx_fec),
> > +       if (!request_mem_region(mem->start, sizeof(struct mpc52xx_fec),
> >                                 DRIVER_NAME)) {
> >                 rv = -EBUSY;
> >                 goto err_netdev;
> > @@ -851,13 +852,13 @@ static int mpc52xx_fec_probe(struct platform_device *op)
> >         ndev->netdev_ops        = &mpc52xx_fec_netdev_ops;
> >         ndev->ethtool_ops       = &mpc52xx_fec_ethtool_ops;
> >         ndev->watchdog_timeo    = FEC_WATCHDOG_TIMEOUT;
> > -       ndev->base_addr         = mem.start;
> > +       ndev->base_addr         = mem->start;
> >         SET_NETDEV_DEV(ndev, &op->dev);
> >
> >         spin_lock_init(&priv->lock);
> >
> >         /* ioremap the zones */
> > -       priv->fec = ioremap(mem.start, sizeof(struct mpc52xx_fec));
> > +       priv->fec = ioremap(mem->start, sizeof(struct mpc52xx_fec));
>
> Generally, devm_platform_ioremap_resource(),
> devm_platform_get_and_ioremap_resource(), etc. are preferred. So if
> we're going to rework things, rework them to use those.
I'm going to avoid that as I've been constantly getting requests to
test my changes on real hardware. I don't own anything that uses
fec_mpc52xx.c.

Plus, documentation states that netdev isn't too big of a fan of devm.

Oh and this file uses no devm of any kind.
>
> Rob
diff mbox series

Patch

diff --git a/drivers/net/can/grcan.c b/drivers/net/can/grcan.c
index cdf0ec9fa7f3..0a2cc0ba219f 100644
--- a/drivers/net/can/grcan.c
+++ b/drivers/net/can/grcan.c
@@ -1673,7 +1673,7 @@  static int grcan_probe(struct platform_device *ofdev)
 		goto exit_error;
 	}
 
-	irq = irq_of_parse_and_map(np, GRCAN_IRQIX_IRQ);
+	irq = platform_get_irq(ofdev, GRCAN_IRQIX_IRQ);
 	if (!irq) {
 		dev_err(&ofdev->dev, "no irq found\n");
 		err = -ENODEV;
diff --git a/drivers/net/can/mscan/mpc5xxx_can.c b/drivers/net/can/mscan/mpc5xxx_can.c
index 0080c39ee182..252ad40bdb97 100644
--- a/drivers/net/can/mscan/mpc5xxx_can.c
+++ b/drivers/net/can/mscan/mpc5xxx_can.c
@@ -300,7 +300,7 @@  static int mpc5xxx_can_probe(struct platform_device *ofdev)
 	if (!base)
 		return dev_err_probe(&ofdev->dev, err, "couldn't ioremap\n");
 
-	irq = irq_of_parse_and_map(np, 0);
+	irq = platform_get_irq(ofdev, 0);
 	if (!irq) {
 		dev_err(&ofdev->dev, "no irq found\n");
 		err = -ENODEV;
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
index 43bde1f583ff..9229582efd05 100644
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c
@@ -1443,8 +1443,8 @@  static int bcm_sf2_sw_probe(struct platform_device *pdev)
 		of_node_put(ports);
 	}
 
-	priv->irq0 = irq_of_parse_and_map(dn, 0);
-	priv->irq1 = irq_of_parse_and_map(dn, 1);
+	priv->irq0 = platform_get_irq(pdev, 0);
+	priv->irq1 = platform_get_irq(pdev, 1);
 
 	base = &priv->core;
 	for (i = 0; i < BCM_SF2_REGS_NUM; i++) {
diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c
index 2f516b950f4e..18df8d1d93fd 100644
--- a/drivers/net/ethernet/allwinner/sun4i-emac.c
+++ b/drivers/net/ethernet/allwinner/sun4i-emac.c
@@ -995,7 +995,7 @@  static int emac_probe(struct platform_device *pdev)
 
 	/* fill in parameters for net-dev structure */
 	ndev->base_addr = (unsigned long)db->membase;
-	ndev->irq = irq_of_parse_and_map(np, 0);
+	ndev->irq = platform_get_irq(pdev, 0);
 	if (ndev->irq == -ENXIO) {
 		netdev_err(ndev, "No irq resource\n");
 		ret = ndev->irq;
diff --git a/drivers/net/ethernet/freescale/fec_mpc52xx.c b/drivers/net/ethernet/freescale/fec_mpc52xx.c
index 2bfaf14f65c8..553d33a98c99 100644
--- a/drivers/net/ethernet/freescale/fec_mpc52xx.c
+++ b/drivers/net/ethernet/freescale/fec_mpc52xx.c
@@ -811,7 +811,7 @@  static int mpc52xx_fec_probe(struct platform_device *op)
 	int rv;
 	struct net_device *ndev;
 	struct mpc52xx_fec_priv *priv = NULL;
-	struct resource mem;
+	struct resource *mem;
 	const u32 *prop;
 	int prop_size;
 	struct device_node *np = op->dev.of_node;
@@ -828,20 +828,21 @@  static int mpc52xx_fec_probe(struct platform_device *op)
 	priv->ndev = ndev;
 
 	/* Reserve FEC control zone */
-	rv = of_address_to_resource(np, 0, &mem);
-	if (rv) {
+	mem = platform_get_resource(op, 0, IORESOURCE_MEM);
+	if (!mem) {
 		pr_err("Error while parsing device node resource\n");
+		rv = -ENODEV;
 		goto err_netdev;
 	}
-	if (resource_size(&mem) < sizeof(struct mpc52xx_fec)) {
+	if (resource_size(mem) < sizeof(struct mpc52xx_fec)) {
 		pr_err("invalid resource size (%lx < %x), check mpc52xx_devices.c\n",
-		       (unsigned long)resource_size(&mem),
+		       (unsigned long)resource_size(mem),
 		       sizeof(struct mpc52xx_fec));
 		rv = -EINVAL;
 		goto err_netdev;
 	}
 
-	if (!request_mem_region(mem.start, sizeof(struct mpc52xx_fec),
+	if (!request_mem_region(mem->start, sizeof(struct mpc52xx_fec),
 				DRIVER_NAME)) {
 		rv = -EBUSY;
 		goto err_netdev;
@@ -851,13 +852,13 @@  static int mpc52xx_fec_probe(struct platform_device *op)
 	ndev->netdev_ops	= &mpc52xx_fec_netdev_ops;
 	ndev->ethtool_ops	= &mpc52xx_fec_ethtool_ops;
 	ndev->watchdog_timeo	= FEC_WATCHDOG_TIMEOUT;
-	ndev->base_addr		= mem.start;
+	ndev->base_addr		= mem->start;
 	SET_NETDEV_DEV(ndev, &op->dev);
 
 	spin_lock_init(&priv->lock);
 
 	/* ioremap the zones */
-	priv->fec = ioremap(mem.start, sizeof(struct mpc52xx_fec));
+	priv->fec = ioremap(mem->start, sizeof(struct mpc52xx_fec));
 
 	if (!priv->fec) {
 		rv = -ENOMEM;
@@ -879,9 +880,9 @@  static int mpc52xx_fec_probe(struct platform_device *op)
 
 	/* Get the IRQ we need one by one */
 		/* Control */
-	ndev->irq = irq_of_parse_and_map(np, 0);
+	ndev->irq = platform_get_irq(op, 0);
 
-		/* RX */
+	/* RX */
 	priv->r_irq = bcom_get_task_irq(priv->rx_dmatsk);
 
 		/* TX */
@@ -967,7 +968,7 @@  static int mpc52xx_fec_probe(struct platform_device *op)
 		bcom_fec_tx_release(priv->tx_dmatsk);
 	iounmap(priv->fec);
 err_mem_region:
-	release_mem_region(mem.start, sizeof(struct mpc52xx_fec));
+	release_mem_region(mem->start, sizeof(struct mpc52xx_fec));
 err_netdev:
 	free_netdev(ndev);
 
diff --git a/drivers/net/ethernet/freescale/fec_mpc52xx_phy.c b/drivers/net/ethernet/freescale/fec_mpc52xx_phy.c
index 3d073f0fae63..4ffab516f770 100644
--- a/drivers/net/ethernet/freescale/fec_mpc52xx_phy.c
+++ b/drivers/net/ethernet/freescale/fec_mpc52xx_phy.c
@@ -68,7 +68,7 @@  static int mpc52xx_fec_mdio_probe(struct platform_device *of)
 	struct device_node *np = of->dev.of_node;
 	struct mii_bus *bus;
 	struct mpc52xx_fec_mdio_priv *priv;
-	struct resource res;
+	struct resource *res;
 	int err;
 
 	bus = mdiobus_alloc();
@@ -85,16 +85,18 @@  static int mpc52xx_fec_mdio_probe(struct platform_device *of)
 	bus->write = mpc52xx_fec_mdio_write;
 
 	/* setup registers */
-	err = of_address_to_resource(np, 0, &res);
-	if (err)
+	res = platform_get_resource(of, 0, IORESOURCE_MEM);
+	if (!res) {
+		err = -ENODEV;
 		goto out_free;
-	priv->regs = ioremap(res.start, resource_size(&res));
+	}
+	priv->regs = ioremap(res->start, resource_size(res));
 	if (priv->regs == NULL) {
 		err = -ENOMEM;
 		goto out_free;
 	}
 
-	snprintf(bus->id, MII_BUS_ID_SIZE, "%pa", &res.start);
+	snprintf(bus->id, MII_BUS_ID_SIZE, "%pa", &res->start);
 	bus->priv = priv;
 
 	bus->parent = dev;
diff --git a/drivers/net/ethernet/freescale/fs_enet/mac-fcc.c b/drivers/net/ethernet/freescale/fs_enet/mac-fcc.c
index be63293511d9..8bed0ea11dd1 100644
--- a/drivers/net/ethernet/freescale/fs_enet/mac-fcc.c
+++ b/drivers/net/ethernet/freescale/fs_enet/mac-fcc.c
@@ -83,7 +83,7 @@  static int do_pd_setup(struct fs_enet_private *fep)
 	struct fs_platform_info *fpi = fep->fpi;
 	int ret = -EINVAL;
 
-	fep->interrupt = irq_of_parse_and_map(ofdev->dev.of_node, 0);
+	fep->interrupt = platform_get_irq(ofdev, 0);
 	if (!fep->interrupt)
 		goto out;
 
diff --git a/drivers/net/ethernet/freescale/fs_enet/mac-fec.c b/drivers/net/ethernet/freescale/fs_enet/mac-fec.c
index f2ecd20027cf..8dbd624b87ac 100644
--- a/drivers/net/ethernet/freescale/fs_enet/mac-fec.c
+++ b/drivers/net/ethernet/freescale/fs_enet/mac-fec.c
@@ -88,7 +88,7 @@  static int do_pd_setup(struct fs_enet_private *fep)
 {
 	struct platform_device *ofdev = to_platform_device(fep->dev);
 
-	fep->interrupt = irq_of_parse_and_map(ofdev->dev.of_node, 0);
+	fep->interrupt = platform_get_irq(ofdev, 0);
 	if (!fep->interrupt)
 		return -EINVAL;
 
diff --git a/drivers/net/ethernet/freescale/fs_enet/mac-scc.c b/drivers/net/ethernet/freescale/fs_enet/mac-scc.c
index 6c97191649de..53d67fb08bad 100644
--- a/drivers/net/ethernet/freescale/fs_enet/mac-scc.c
+++ b/drivers/net/ethernet/freescale/fs_enet/mac-scc.c
@@ -87,7 +87,7 @@  static int do_pd_setup(struct fs_enet_private *fep)
 {
 	struct platform_device *ofdev = to_platform_device(fep->dev);
 
-	fep->interrupt = irq_of_parse_and_map(ofdev->dev.of_node, 0);
+	fep->interrupt = platform_get_irq(ofdev, 0);
 	if (!fep->interrupt)
 		return -EINVAL;
 
diff --git a/drivers/net/ethernet/freescale/fs_enet/mii-fec.c b/drivers/net/ethernet/freescale/fs_enet/mii-fec.c
index dec31b638941..0e6faba74e34 100644
--- a/drivers/net/ethernet/freescale/fs_enet/mii-fec.c
+++ b/drivers/net/ethernet/freescale/fs_enet/mii-fec.c
@@ -96,7 +96,7 @@  static int fs_enet_fec_mii_write(struct mii_bus *bus, int phy_id, int location,
 
 static int fs_enet_mdio_probe(struct platform_device *ofdev)
 {
-	struct resource res;
+	struct resource *res;
 	struct mii_bus *new_bus;
 	struct fec_info *fec;
 	int (*get_bus_freq)(struct device *);
@@ -117,13 +117,15 @@  static int fs_enet_mdio_probe(struct platform_device *ofdev)
 	new_bus->read = &fs_enet_fec_mii_read;
 	new_bus->write = &fs_enet_fec_mii_write;
 
-	ret = of_address_to_resource(ofdev->dev.of_node, 0, &res);
-	if (ret)
+	res = platform_get_resource(ofdev, 0, IORESOURCE_MEM);
+	if (!res) {
+		ret = -ENODEV;
 		goto out_res;
+	}
 
-	snprintf(new_bus->id, MII_BUS_ID_SIZE, "%pap", &res.start);
+	snprintf(new_bus->id, MII_BUS_ID_SIZE, "%pap", &res->start);
 
-	fec->fecp = ioremap(res.start, resource_size(&res));
+	fec->fecp = ioremap(res->start, resource_size(res));
 	if (!fec->fecp) {
 		ret = -ENOMEM;
 		goto out_fec;
diff --git a/drivers/net/ethernet/freescale/ucc_geth.c b/drivers/net/ethernet/freescale/ucc_geth.c
index 6663c1768089..2a10486bc1f0 100644
--- a/drivers/net/ethernet/freescale/ucc_geth.c
+++ b/drivers/net/ethernet/freescale/ucc_geth.c
@@ -3560,7 +3560,7 @@  static int ucc_geth_probe(struct platform_device* ofdev)
 	struct net_device *dev = NULL;
 	struct ucc_geth_private *ugeth = NULL;
 	struct ucc_geth_info *ug_info;
-	struct resource res;
+	struct resource *res;
 	int err, ucc_num, max_speed = 0;
 	const unsigned int *prop;
 	phy_interface_t phy_interface;
@@ -3605,12 +3605,12 @@  static int ucc_geth_probe(struct platform_device* ofdev)
 	if (err)
 		return err;
 
-	err = of_address_to_resource(np, 0, &res);
-	if (err)
-		return err;
+	res = platform_get_resource(ofdev 0, IORESOURCE_MEM);
+	if (!res)
+		return -ENODEV;
 
-	ug_info->uf_info.regs = res.start;
-	ug_info->uf_info.irq = irq_of_parse_and_map(np, 0);
+	ug_info->uf_info.regs = res->start;
+	ug_info->uf_info.irq = platform_get_irq(ofdev, 0);
 
 	ug_info->phy_node = of_parse_phandle(np, "phy-handle", 0);
 	if (!ug_info->phy_node && of_phy_is_fixed_link(np)) {
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 1fb285fa0bdb..0da7084b80c4 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -5511,7 +5511,7 @@  static int mvneta_probe(struct platform_device *pdev)
 		pp->neta_ac5 = true;
 	}
 
-	dev->irq = irq_of_parse_and_map(dn, 0);
+	dev->irq = platform_get_irq(pdev, 0);
 	if (dev->irq == 0)
 		return -EINVAL;
 
diff --git a/drivers/net/ethernet/moxa/moxart_ether.c b/drivers/net/ethernet/moxa/moxart_ether.c
index 8bd60168624a..f995591dc43b 100644
--- a/drivers/net/ethernet/moxa/moxart_ether.c
+++ b/drivers/net/ethernet/moxa/moxart_ether.c
@@ -465,9 +465,9 @@  static int moxart_mac_probe(struct platform_device *pdev)
 	if (!ndev)
 		return -ENOMEM;
 
-	irq = irq_of_parse_and_map(node, 0);
+	irq = platform_get_irq(pdev, 0);
 	if (irq <= 0) {
-		netdev_err(ndev, "irq_of_parse_and_map failed\n");
+		netdev_err(ndev, "platform_get_irq failed\n");
 		ret = -EINVAL;
 		goto irq_map_fail;
 	}
diff --git a/drivers/net/ethernet/samsung/sxgbe/sxgbe_platform.c b/drivers/net/ethernet/samsung/sxgbe/sxgbe_platform.c
index 2eccc7617507..4118e35b99e5 100644
--- a/drivers/net/ethernet/samsung/sxgbe/sxgbe_platform.c
+++ b/drivers/net/ethernet/samsung/sxgbe/sxgbe_platform.c
@@ -111,7 +111,7 @@  static int sxgbe_platform_probe(struct platform_device *pdev)
 	}
 
 	/* Get the SXGBE common INT information */
-	priv->irq  = irq_of_parse_and_map(node, 0);
+	priv->irq = platform_get_irq(pdev, 0);
 	if (priv->irq <= 0) {
 		dev_err(dev, "sxgbe common irq parsing failed\n");
 		goto err_drv_remove;
@@ -122,7 +122,7 @@  static int sxgbe_platform_probe(struct platform_device *pdev)
 
 	/* Get the TX/RX IRQ numbers */
 	for (i = 0, chan = 1; i < SXGBE_TX_QUEUES; i++) {
-		priv->txq[i]->irq_no = irq_of_parse_and_map(node, chan++);
+		priv->txq[i]->irq_no = platform_get_irq(pdev, chan++);
 		if (priv->txq[i]->irq_no <= 0) {
 			dev_err(dev, "sxgbe tx irq parsing failed\n");
 			goto err_tx_irq_unmap;
@@ -130,14 +130,14 @@  static int sxgbe_platform_probe(struct platform_device *pdev)
 	}
 
 	for (i = 0; i < SXGBE_RX_QUEUES; i++) {
-		priv->rxq[i]->irq_no = irq_of_parse_and_map(node, chan++);
+		priv->rxq[i]->irq_no = platform_get_irq(pdev, chan++);
 		if (priv->rxq[i]->irq_no <= 0) {
 			dev_err(dev, "sxgbe rx irq parsing failed\n");
 			goto err_rx_irq_unmap;
 		}
 	}
 
-	priv->lpi_irq = irq_of_parse_and_map(node, chan);
+	priv->lpi_irq = platform_get_irq(pdev, chan);
 	if (priv->lpi_irq <= 0) {
 		dev_err(dev, "sxgbe lpi irq parsing failed\n");
 		goto err_rx_irq_unmap;
diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c
index 894911f3d560..f079242c33e2 100644
--- a/drivers/net/ethernet/via/via-rhine.c
+++ b/drivers/net/ethernet/via/via-rhine.c
@@ -1127,7 +1127,7 @@  static int rhine_init_one_platform(struct platform_device *pdev)
 	if (IS_ERR(ioaddr))
 		return PTR_ERR(ioaddr);
 
-	irq = irq_of_parse_and_map(pdev->dev.of_node, 0);
+	irq = platform_get_irq(pdev, 0);
 	if (!irq)
 		return -EINVAL;
 
diff --git a/drivers/net/ethernet/via/via-velocity.c b/drivers/net/ethernet/via/via-velocity.c
index dd4a07c97eee..4aac9599c14d 100644
--- a/drivers/net/ethernet/via/via-velocity.c
+++ b/drivers/net/ethernet/via/via-velocity.c
@@ -2950,7 +2950,7 @@  static int velocity_platform_probe(struct platform_device *pdev)
 	if (!info)
 		return -EINVAL;
 
-	irq = irq_of_parse_and_map(pdev->dev.of_node, 0);
+	irq = platform_get_irq(pdev, 0);
 	if (!irq)
 		return -EINVAL;
 
diff --git a/drivers/net/ethernet/xilinx/ll_temac_mdio.c b/drivers/net/ethernet/xilinx/ll_temac_mdio.c
index 07a9fb49eda1..4bc5d47ecb7e 100644
--- a/drivers/net/ethernet/xilinx/ll_temac_mdio.c
+++ b/drivers/net/ethernet/xilinx/ll_temac_mdio.c
@@ -69,7 +69,7 @@  int temac_mdio_setup(struct temac_local *lp, struct platform_device *pdev)
 	u32 bus_hz;
 	int clk_div;
 	int rc;
-	struct resource res;
+	struct resource *res;
 
 	/* Get MDIO bus frequency (if specified) */
 	bus_hz = 0;
@@ -98,9 +98,9 @@  int temac_mdio_setup(struct temac_local *lp, struct platform_device *pdev)
 		return -ENOMEM;
 
 	if (np) {
-		of_address_to_resource(np, 0, &res);
+		res = platform_get_resource(pdev, 0, IORESOURCE_MEM);
 		snprintf(bus->id, MII_BUS_ID_SIZE, "%.8llx",
-			 (unsigned long long)res.start);
+			 (unsigned long long)res->start);
 	} else if (pdata) {
 		snprintf(bus->id, MII_BUS_ID_SIZE, "%.8llx",
 			 pdata->mdio_bus_id);
diff --git a/drivers/net/mdio/mdio-mux-mmioreg.c b/drivers/net/mdio/mdio-mux-mmioreg.c
index 9c4b1efd0d53..b5a65a1ab406 100644
--- a/drivers/net/mdio/mdio-mux-mmioreg.c
+++ b/drivers/net/mdio/mdio-mux-mmioreg.c
@@ -98,7 +98,7 @@  static int mdio_mux_mmioreg_probe(struct platform_device *pdev)
 {
 	struct device_node *np = pdev->dev.of_node;
 	struct mdio_mux_mmioreg_state *s;
-	struct resource res;
+	struct resource *res;
 	const __be32 *iprop;
 	int len, ret;
 
@@ -108,13 +108,15 @@  static int mdio_mux_mmioreg_probe(struct platform_device *pdev)
 	if (!s)
 		return -ENOMEM;
 
-	ret = of_address_to_resource(np, 0, &res);
-	if (ret)
-		return dev_err_probe(&pdev->dev, ret,
-				     "could not obtain memory map for node %pOF\n", np);
-	s->phys = res.start;
+	res = platform_get_resource(pdev, 0, IORESOURCE_MEM);
+	if (!res) {
+		dev_err(&pdev->dev,
+			"could not obtain memory map for node %pOF\n", np);
+		return -ENODEV;
+	}
+	s->phys = res->start;
 
-	s->iosize = resource_size(&res);
+	s->iosize = resource_size(res);
 	if (s->iosize != sizeof(uint8_t) &&
 	    s->iosize != sizeof(uint16_t) &&
 	    s->iosize != sizeof(uint32_t))
diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c
index f999798a5612..414a9d22da5e 100644
--- a/drivers/net/wan/fsl_ucc_hdlc.c
+++ b/drivers/net/wan/fsl_ucc_hdlc.c
@@ -1118,7 +1118,7 @@  static int ucc_hdlc_probe(struct platform_device *pdev)
 	struct ucc_hdlc_private *uhdlc_priv = NULL;
 	struct ucc_tdm_info *ut_info;
 	struct ucc_tdm *utdm = NULL;
-	struct resource res;
+	struct resource *res;
 	struct net_device *dev;
 	hdlc_device *hdlc;
 	int ucc_num;
@@ -1170,12 +1170,12 @@  static int ucc_hdlc_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
-	ret = of_address_to_resource(np, 0, &res);
-	if (ret)
+	res = platform_get_resource(pdev, 0, IORESOURCE_MEM);
+	if (!res)
 		return -EINVAL;
 
-	ut_info->uf_info.regs = res.start;
-	ut_info->uf_info.irq = irq_of_parse_and_map(np, 0);
+	ut_info->uf_info.regs = res->start;
+	ut_info->uf_info.irq = platform_get_irq(pdev, 0);
 
 	uhdlc_priv = kzalloc(sizeof(*uhdlc_priv), GFP_KERNEL);
 	if (!uhdlc_priv)