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

[Inochi Amaoto <inochiama@gmail.com>]

On Mon, Sep 07, 2026 at 01:28:49PM +0300, Vladimir Oltean wrote:
> 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.
> 

Yes, I have one for it. This is the spacemit pcie driver.
https://lore.kernel.org/linux-pci/20260907112606.465778-1-inochiama@gmail.com/

But it only uses a few of these helpers. So should I remove all the
things that are not directly used, and let others add these if they
need?

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

Yes, I will, thanks.

Regards,
Inochi