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

From: Wei Fang
Date: Sun Nov 24 2024 - 20:54:31 EST


> From: Wei Fang <wei.fang@xxxxxxx>
>
> [ 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@xxxxxxx>
> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
> ---
> 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).