[U-Boot] [PATCH v3 1/3] net: phy: Add support for accessing MMD PHY registers

Joe Hershberger joe.hershberger at ni.com
Wed Jan 23 16:31:14 UTC 2019


On Wed, Jan 23, 2019 at 10:21 AM Joe Hershberger <joe.hershberger at ni.com> wrote:
>
> On Wed, Jan 23, 2019 at 10:07 AM Carlo Caione <ccaione at baylibre.com> wrote:
> >
> > Two new helper functions (phy_read_mmd() and phy_write_mmd()) are added
> > to allow access to the MMD PHY registers.
> >
> > The MMD PHY registers can be accessed by two means:
> >
> > 1. Using two new MMD access function hooks in the PHY driver. These
> > functions can be implemented when the PHY driver does not support the
> > standard IEEE Compatible clause 45 access mechanism described in clause
> > 22 or if the PHY uses its own non-standard access mechanism.
> >
> > 2. The standard clause 45 access extensions to the MMD registers through
> > the indirection registers (clause 22) in all the other cases.
> >
> > Signed-off-by: Carlo Caione <ccaione at baylibre.com>
>
> Acked-by: Joe Hershberger <joe.hershberger at ni.com>

checkpatch.pl failures... please address.

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