[U-Boot, v2, 1/1]net: phy: add paged PHY register accessors

[Lucien Jheng]

Hi Marek

On Mon, Nov 3, 2025, 1:15 AM Marek Vasut <marek.vasut at mailbox.org> wrote:

> On 11/2/25 4:34 PM, Lucien.Jheng wrote:
>
> Hi,
>
> >> On 10/6/25 2:49 PM, Lucien.Jheng wrote:
> >>> Synchronize paged PHY helpers with Linux v6.17.
> >>>
> >>> Add support for PHY devices that use paged register access by
> >>> implementing the following functions:
> >>> - phy_save_page(): Save current page number
> >>> - phy_select_page(): Switch to a specific page and return previous page
> >>> - phy_restore_page(): Restore previously saved page
> >>>
> >>> Also adds read_page and write_page callbacks to the phy_driver
> >>> structure to enable driver-specific page handling.
> >>>
> >>> These helpers allow safe access to paged PHY registers by ensuring
> >>> proper page selection and restoration,
> >>> even in error conditions, which will be used by the Airoha PHY driver.
> >> Are there any users ? If not, this is dead code.
> >
> > I have checked the latest Linux kernel, and these functions are
> > currently used by several vendors, including *MediaTek, Airoha, Marvell,
> > and Realtek PHY*.
> >
> > Therefore, I believe these APIs are not dead code.
> This is U-Boot, are there any users in U-Boot ?
>
> If you plan to use this in a new driver, then please send this together
> with the new driver.
>
Got it.
I will send this together with new driver.
Thank you

>