netdev - RE: [PATCH AUTOSEL 5.4 20/28] net: enetc: add i.MX95 EMDIO support

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Message-ID:
 <PAXPR04MB8510442A46C2F25FF783E899882E2@PAXPR04MB8510.eurprd04.prod.outlook.com>
Date: Mon, 25 Nov 2024 01:54:14 +0000
From: Wei Fang <wei.fang@....com>
To: Sasha Levin <sashal@...nel.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, "stable@...r.kernel.org"
	<stable@...r.kernel.org>
CC: "David S . Miller" <davem@...emloft.net>, Claudiu Manoil
	<claudiu.manoil@....com>, Vladimir Oltean <vladimir.oltean@....com>, Clark
 Wang <xiaoning.wang@....com>, "andrew+netdev@...n.ch"
	<andrew+netdev@...n.ch>, "edumazet@...gle.com" <edumazet@...gle.com>,
	"kuba@...nel.org" <kuba@...nel.org>, "pabeni@...hat.com" <pabeni@...hat.com>,
	"imx@...ts.linux.dev" <imx@...ts.linux.dev>, "netdev@...r.kernel.org"
	<netdev@...r.kernel.org>
Subject: RE: [PATCH AUTOSEL 5.4 20/28] net: enetc: add i.MX95 EMDIO support

> From: Wei Fang <wei.fang@....com>
> 
> [ Upstream commit a52201fb9caa9b33b4d881725d1ec733438b07f2 ]
> 
> The verdor ID and device ID of i.MX95 EMDIO are different from LS1028A
> EMDIO, so add new vendor ID and device ID to pci_device_id table to support
> i.MX95 EMDIO.
> 
> Signed-off-by: Wei Fang <wei.fang@....com>
> Signed-off-by: David S. Miller <davem@...emloft.net>
> Signed-off-by: Sasha Levin <sashal@...nel.org>
> ---
>  drivers/net/ethernet/freescale/enetc/enetc_pci_mdio.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/net/ethernet/freescale/enetc/enetc_pci_mdio.c
> b/drivers/net/ethernet/freescale/enetc/enetc_pci_mdio.c
> index fbd41ce01f068..aeffc3bd00afe 100644
> --- a/drivers/net/ethernet/freescale/enetc/enetc_pci_mdio.c
> +++ b/drivers/net/ethernet/freescale/enetc/enetc_pci_mdio.c
> @@ -3,6 +3,8 @@
>  #include <linux/of_mdio.h>
>  #include "enetc_mdio.h"
> 
> +#define NETC_EMDIO_VEN_ID	0x1131
> +#define NETC_EMDIO_DEV_ID	0xee00
>  #define ENETC_MDIO_DEV_ID	0xee01
>  #define ENETC_MDIO_DEV_NAME	"FSL PCIe IE Central MDIO"
>  #define ENETC_MDIO_BUS_NAME	ENETC_MDIO_DEV_NAME " Bus"
> @@ -85,6 +87,7 @@ static void enetc_pci_mdio_remove(struct pci_dev *pdev)
> 
>  static const struct pci_device_id enetc_pci_mdio_id_table[] = {
>  	{ PCI_DEVICE(PCI_VENDOR_ID_FREESCALE, ENETC_MDIO_DEV_ID) },
> +	{ PCI_DEVICE(NETC_EMDIO_VEN_ID, NETC_EMDIO_DEV_ID) },
>  	{ 0, } /* End of table. */
>  };
>  MODULE_DEVICE_TABLE(pci, enetc_pci_mdio_id_table);
> --
> 2.43.0

Hi Sasha,

This patch does not need to be backported, because this is a new
feature which adds the EMDIO support for i.MX95 NETC. And i.MX95
NETC is supported in the latest kernel (should be 6.13, Linus tree).