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

Rob Herring robh at kernel.org
Tue Nov 12 03:20:50 AEDT 2024


On Sat, Nov 9, 2024 at 5:40 PM Rosen Penev <rosenp at 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 at 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


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