On Tue, May 03, 2022 at 03:15:06PM +0200, Lukas Wunner wrote:
> Cache the interrupt mask to avoid re-reading it from the PHY upon every
> interrupt.
>
> This will simplify a subsequent commit which detects hot-removal in the
> interrupt handler and bails out.
>
> Analyzing and debugging PHY transactions also becomes simpler if such
> redundant reads are avoided.
>
> Last not least, interrupt overhead and latency is slightly improved.
>
> Tested-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx> # LAN9514/9512/9500
> Tested-by: Ferry Toth <fntoth@xxxxxxxxx> # LAN9514
> Signed-off-by: Lukas Wunner <lukas@xxxxxxxxx>
Reviewed-by: Andrew Lunn <andrew@xxxxxxx>
Andrew
