[PATCH net-next 0/8] net: stmmac: hwif.c cleanups

Jakub Kicinski kuba at kernel.org
Tue Oct 28 16:42:57 PDT 2025


On Fri, 24 Oct 2025 13:48:23 +0100 Russell King (Oracle) wrote:
> This series cleans up hwif.c:
> 
> - move the reading of the version information out of stmmac_hwif_init()
>   into its own function, stmmac_get_version(), storing the result in a
>   new struct.
> 
> - simplify stmmac_get_version().
> 
> - read the version register once, passing it to stmmac_get_id() and
>   stmmac_get_dev_id().
> 
> - move stmmac_get_id() and stmmac_get_dev_id() into
>   stmmac_get_version()
> 
> - define version register fields and use FIELD_GET() to decode
> 
> - start tackling the big loop in stmmac_hwif_init() - provide a
>   function, stmmac_hwif_find(), which looks up the hwif entry, thus
>   making a much smaller loop, which improves readability of this code.
> 
> - change the use of '^' to '!=' when comparing the dev_id, which is
>   what is really meant here.
> 
> - reorganise the test after calling stmmac_hwif_init() so that we
>   handle the error case in the indented code, and the success case
>   with no indent, which is the classical arrangement.

This one needs a respin (patch 6 vs your IRQ masking changes?).



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