[PATCH net-next 00/13] net: pcs: xpcs: cleanups batch 2

Serge Semin fancer.lancer at gmail.com
Fri Oct 4 16:40:38 PDT 2024


Hi

On Fri, Oct 04, 2024 at 11:19:57AM GMT, Russell King (Oracle) wrote:
> This is the second cleanup series for XPCS.
> 
> Patch 1 removes the enum indexing the dw_xpcs_compat array. The index is
> never used except to place entries in the array and to size the array.
> 
> Patch 2 removes the interface arrays - each of which only contain one
> interface.
> 
> Patch 3 makes xpcs_find_compat() take the xpcs structure rather than the
> ID - the previous series removed the reason for xpcs_find_compat needing
> to take the ID.
> 
> Patch 4 provides a helper to convert xpcs structure to a regular
> phylink_pcs structure, which leads to patch 5.
> 
> Patch 5 moves the definition of struct dw_xpcs to the private xpcs
> header - with patch 4 in place, nothing outside of the xpcs driver
> accesses the contents of the dw_xpcs structure.
> 
> Patch 6 renames xpcs_get_id() to xpcs_read_id() since it's reading the
> ID, rather than doing anything further with it. (Prior versions of this
> series renamed it to xpcs_read_phys_id() since that more accurately
> described that it was reading the physical ID registers.)
> 
> Patch 7 moves the searching of the ID list out of line as this is a
> separate functional block.
> 
> Patch 8 converts xpcs to use the bitmap macros, which eliminates the
> need for _SHIFT definitions.
> 
> Patch 9 adds and uses _modify() accessors as there are a large amount
> of read-modify-write operations in this driver. This conversion found
> a bug in xpcs-wx code that has been reported and already fixed.
> 
> Patch 10 converts xpcs to use read_poll_timeout() rather than open
> coding that.
> 
> Patch 11 converts all printed messages to use the dev_*() functions so
> the driver and devie name are always printed.
> 
> Patch 12 moves DW_VR_MII_DIG_CTRL1_2G5_EN to the correct place in the
> header file, rather than amongst another register's definitions.
> 
> Patch 13 moves the Wangxun workaround to a common location rather than
> duplicating it in two places. We also reformat this to fit within
> 80 columns.

If you don't mind I'll test the series out on Monday or Tuesday on the
next week after my local-tree changes concerning the DW XPCS driver
are rebased onto it.

-Serge(y)

> 
>  drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c |   2 +-
>  drivers/net/pcs/pcs-xpcs-nxp.c                    |  24 +-
>  drivers/net/pcs/pcs-xpcs-wx.c                     |  56 ++-
>  drivers/net/pcs/pcs-xpcs.c                        | 445 +++++++++-------------
>  drivers/net/pcs/pcs-xpcs.h                        |  26 +-
>  include/linux/pcs/pcs-xpcs.h                      |  19 +-
>  6 files changed, 237 insertions(+), 335 deletions(-)
> 
> -- 
> RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
> FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!
> 



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