From: Sascha Hauer <sha@pengutronix.de>
To: Oleksij Rempel <o.rempel@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH v3 02/12] net: add of_find_eth_device_by_node() function
Date: Thu, 7 Apr 2022 15:36:11 +0200 [thread overview]
Message-ID: <20220407133611.GI4012@pengutronix.de> (raw)
In-Reply-To: <20220407091604.956577-3-o.rempel@pengutronix.de>
On Thu, Apr 07, 2022 at 11:15:54AM +0200, Oleksij Rempel wrote:
> For DSA support we need to find MAC node by phandle from the switch port
> node. So, provide of_find_eth_device_by_node() to solve this task.
>
> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
> ---
> include/net.h | 1 +
> net/eth.c | 16 ++++++++++++++++
> 2 files changed, 17 insertions(+)
>
> diff --git a/include/net.h b/include/net.h
> index ca9b6cd61e..8013f79c2e 100644
> --- a/include/net.h
> +++ b/include/net.h
> @@ -97,6 +97,7 @@ int eth_open(struct eth_device *edev);
> void eth_close(struct eth_device *edev);
> int eth_send(struct eth_device *edev, void *packet, int length); /* Send a packet */
> int eth_rx(void); /* Check for received packets */
> +struct eth_device *of_find_eth_device_by_node(struct device_node *np);
>
> /* associate a MAC address to a ethernet device. Should be called by
> * board code for boards which store their MAC address at some unusual
> diff --git a/net/eth.c b/net/eth.c
> index 762c5dfb8a..06bf5fbe65 100644
> --- a/net/eth.c
> +++ b/net/eth.c
> @@ -506,6 +506,22 @@ void led_trigger_network(enum led_trigger trigger)
> led_trigger(LED_TRIGGER_NET_TXRX, TRIGGER_FLASH);
> }
>
> +struct eth_device *of_find_eth_device_by_node(struct device_node *np)
> +{
> + struct eth_device *edev;
> + int ret;
> +
> + ret = of_device_ensure_probed(np);
> + if (ret)
> + return NULL;
> +
> + list_for_each_entry(edev, &netdev_list, list)
> + if (edev->parent->device_node == np)
> + return edev;
> + return NULL;
> +}
> +EXPORT_SYMBOL(of_find_device_by_node);
Should be of_find_eth_device_by_node
Sascha
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next prev parent reply other threads:[~2022-04-07 13:37 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-07 9:15 [PATCH v3 00/12] provide DSA support Oleksij Rempel
2022-04-07 9:15 ` [PATCH v3 01/12] net: add RX preprocessor support Oleksij Rempel
2022-04-07 9:15 ` [PATCH v3 02/12] net: add of_find_eth_device_by_node() function Oleksij Rempel
2022-04-07 13:36 ` Sascha Hauer [this message]
2022-04-07 9:15 ` [PATCH v3 03/12] net: add DSA framework to support basic switch functionality Oleksij Rempel
2022-04-07 13:56 ` Sascha Hauer
2022-04-12 8:14 ` Sascha Hauer
2022-04-07 9:15 ` [PATCH v3 04/12] driver: add dev_get_priv() helper Oleksij Rempel
2022-04-07 9:15 ` [PATCH v3 05/12] net: port part of if_vlan header from kernel v5.17 Oleksij Rempel
2022-04-07 9:15 ` [PATCH v3 06/12] spi: port spi_sync_transfer() function " Oleksij Rempel
2022-04-07 9:15 ` [PATCH v3 07/12] net: mdio: add MDIO_DEVAD_NONE define Oleksij Rempel
2022-04-07 9:16 ` [PATCH v3 08/12] net: phy: make sure MDIO bus is probed if we search for the PHY Oleksij Rempel
2022-04-07 9:16 ` [PATCH v3 09/12] of_net: add rev-rmii support Oleksij Rempel
2022-04-07 9:16 ` [PATCH v3 10/12] net: dsa: add support for SJA11xx switches Oleksij Rempel
2022-04-07 14:04 ` Sascha Hauer
2022-04-07 9:16 ` [PATCH v3 11/12] net: dsa: add KSZ9477 switch SPI driver Oleksij Rempel
2022-04-07 14:27 ` Sascha Hauer
2022-04-07 9:16 ` [PATCH v3 12/12] add ethlog Oleksij Rempel
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