[PATCH] net: phy: micrel: Get phy node from phy-handle

[Lim, Jit Loon]

-----Original Message-----
From: Ramon Fried <rfried.dev at gmail.com> 
Sent: Sunday, 27 November, 2022 6:50 AM
To: Lim, Jit Loon <jit.loon.lim at intel.com>
Cc: u-boot at lists.denx.de; Jagan Teki <jagan at amarulasolutions.com>; Vignesh R <vigneshr at ti.com>; Vasut, Marek <marex at denx.de>; Simon <simon.k.r.goldschmidt at gmail.com>; Chee, Tien Fong <tien.fong.chee at intel.com>; Hea, Kok Kiang <kok.kiang.hea at intel.com>; Lim, Elly Siew Chin <elly.siew.chin.lim at intel.com>; Kho, Sin Hui <sin.hui.kho at intel.com>; Lokanathan, Raaj <raaj.lokanathan at intel.com>; Maniyam, Dinesh <dinesh.maniyam at intel.com>; Ng, Boon Khai <boon.khai.ng at intel.com>; Yuslaimi, Alif Zakuan <alif.zakuan.yuslaimi at intel.com>; Chong, Teik Heng <teik.heng.chong at intel.com>; Zamri, Muhammad Hazim Izzat <muhammad.hazim.izzat.zamri at intel.com>; Tang, Sieu Mun <sieu.mun.tang at intel.com>; Ley Foon Tan <ley.foon.tan at intel.com>
Subject: Re: [PATCH] net: phy: micrel: Get phy node from phy-handle

On Tue, Nov 22, 2022 at 4:41 PM Jit Loon Lim <jit.loon.lim at intel.com> wrote:
>
> From: Ley Foon Tan <ley.foon.tan at intel.com>
>
> HSD #1509063521: Try to get phy node from "phy-handle" if can't find ethernet-phy subnode.
What is this HSD ? Intel internal ?
Please remove.

Yes, this is for Intel internal tracking. We shall remove it and update the patch. 

> Lastly only use Ethernet node if can't find phy node from ethernet-phy 
> subnode and phy-handle.
>
> Signed-off-by: Ley Foon Tan <ley.foon.tan at intel.com>
> Signed-off-by: Jit Loon Lim <jit.loon.lim at intel.com>
> ---
>  drivers/net/phy/micrel_ksz90x1.c | 11 +++++++++--
>  1 file changed, 9 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/net/phy/micrel_ksz90x1.c 
> b/drivers/net/phy/micrel_ksz90x1.c
> index e5f578201f..e33789b7f7 100644
> --- a/drivers/net/phy/micrel_ksz90x1.c
> +++ b/drivers/net/phy/micrel_ksz90x1.c
> @@ -112,6 +112,7 @@ static int ksz90x1_of_config_group(struct 
> phy_device *phydev,  {
>         struct udevice *dev = phydev->dev;
>         struct phy_driver *drv = phydev->drv;
> +       struct ofnode_phandle_args phandle;
>         int val[4];
>         int i, changed = 0, offset, max;
>         u16 regval = 0;
> @@ -128,8 +129,14 @@ static int ksz90x1_of_config_group(struct phy_device *phydev,
>         }
>
>         if (!ofnode_valid(node)) {
> -               /* No node found, look in the Ethernet node */
> -               node = dev_ofnode(dev);
> +               if (dev_read_phandle_with_args(dev, "phy-handle", NULL, 0, 0,
> +                                              &phandle)) {
> +                       /* No phy-handle found, look in the Ethernet node */
> +                       node = dev_ofnode(dev);
> +               } else {
> +                       /* phy-handle found */
> +                       node = phandle.node;
> +               }
>         }
>
>         for (i = 0; i < ofcfg->grpsz; i++) {
> --
> 2.26.2
>