Tobias Klauser <tklauser@xxxxxxxxxx> wrote:
>The network stack no longer uses the last_rx member of struct net_device
>since the bonding driver switched to use its own private last_rx in
>commit 9f242738376d ("bonding: use last_arp_rx in slave_last_rx()").
>
>However, some drivers still (ab)use the field for their own purposes and
>some driver just update it without actually using it.
>
>Previously, there was an accompanying comment for the last_rx member
>added in commit 4dc89133f49b ("net: add a comment on netdev->last_rx")
>which asked drivers not to update is, unless really needed. However,
>this commend was removed in commit f8ff080dacec ("bonding: remove
>useless updating of slave->dev->last_rx"), so some drivers added later
>on still did update last_rx.
>
>Remove all usage of last_rx and switch three drivers (sky2, atp and
>smc91c92_cs) which actually read and write it to use their own private
>copy in netdev_priv.
>
>Compile-tested with allyesconfig and allmodconfig on x86 and arm.
Reviewed-by: Jay Vosburgh <jay.vosburgh@xxxxxxxxxxxxx>
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