Re: [PATCH net-next v2 3/7] net: ethernet: fs_enet: drop the .adjust_link custom fs_ops
From: Andrew Lunn <andrew@lunn.ch>
Date: 2024-08-30 21:06:16
Also in:
lkml, netdev
From: Andrew Lunn <andrew@lunn.ch>
Date: 2024-08-30 21:06:16
Also in:
lkml, netdev
--- a/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c +++ b/drivers/net/ethernet/freescale/fs_enet/fs_enet-main.c@@ -649,12 +649,7 @@ static void fs_adjust_link(struct net_device *dev) unsigned long flags; spin_lock_irqsave(&fep->lock, flags); - - if (fep->ops->adjust_link) - fep->ops->adjust_link(dev); - else - generic_adjust_link(dev); - + generic_adjust_link(dev); spin_unlock_irqrestore(&fep->lock, flags);
Holding a spinlock is pretty unusual. We are in thread context, and the phydev mutex is held. Looking at generic_adjust_link, do any of the fep->foo variables actually need protecting, particularly from changes in interrupts context? Andrew