[PATCH v2 0/4] phy: core: Add phy bulk helpers support

[Vladimir Oltean]

Hi Inochi,

On Fri, Sep 04, 2026 at 04:37:04PM +0800, Inochi Amaoto wrote:
> As discussed in [1], some drivers may do not care the difference between
> phys. Instead, they only need to treat them as a group and operate them
> together. This means a bulk operation is needed.
> 
> Add some bulk helper functions for phy core by referencing the design of
> clock/reset subsystem. This can relieve the driver owners' life who needs
> to handle many phys, as well as each phy error reporting.
> 
> [1] https://lore.kernel.org/linux-pci/ak9KzNFF26B0Kttz@ashevche-desk.local/
> 
> Changed from v1:
> - https://lore.kernel.org/linux-phy/20260831025319.94886-1-inochiama@gmail.com/
> patch 1:
> 1. Update document.
> patch 2:
> 1. Fix document format.
> 2. Fix several document description.
> patch 3:
> 1. Split into two patches: one for non devm helpers, one for devm helpers.
> 2. All the bulk helper now use unsigned int for counts.
> 3. Fix multiple the while loop statement.
> 4. Rename of_phy_get_parent_count() to of_phy_get_count().
> 5. Fix some 80 line function problems.
> 6. Use PTR_ERR_OR_ZERO() to simplify the error handle.
> 7. Fix zero value in the document
> 8. Use two separate release function for devm helpers.
> 
> Inochi Amaoto (4):
>   phy: core: Add common helper to add phy phandle device link
>   phy: core: Add common helper for get phy phandle by index
>   phy: core: Add phy bulk data helper functions
>   phy: core: Add managed phy bulk data helper functions
> 
>  drivers/phy/phy-core.c  | 700 +++++++++++++++++++++++++++++++++++++---
>  include/linux/phy/phy.h | 186 +++++++++++
>  2 files changed, 850 insertions(+), 36 deletions(-)
> 
> --
> 2.55.0

Please include a user of this API in the next patch submission.
We should avoid, as much as possible, to introduce unused code.

Also, please address Sashiko's feedback (excluding the pre-existing
issues).