Re: [PATCH] net: lpc_eth: Fix crash on ip link up

From: David Miller
Date: Tue Sep 02 2014 - 16:22:23 EST


From: stigge@xxxxxxxxx
Date: Mon, 1 Sep 2014 13:46:46 +0200

> From: Roland Stigge <stigge@xxxxxxxxx>
>
> When a link is already up, the following sequence makes the kernel
> block completely:
>
> ip link set dev eth0 down
> ip link set dev eth0 up
>
> This is because on suspended phy, the following lines
>
> __lpc_eth_reset(pldat);
> __lpc_eth_init(pldat);
>
> make the LPC ethernet core block (see LPC32x0 manual). The PHY needs to be
> (re-)activated low-level first.
>
> Signed-off-by: Roland Stigge <stigge@xxxxxxxxx>

Applied, thanks.
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