On Mon, Nov 23, 2020 at 10:06:16PM +0000, Russell King wrote:
> Add debugfs support to SFP so that the internal state of the SFP state
> machines and hardware signal state can be viewed from userspace, rather
> than having to compile a debug kernel to view state state transitions
> in the kernel log. The 'state' output looks like:
>
> Module state: empty
> Module probe attempts: 0 0
> Device state: up
> Main state: down
> Fault recovery remaining retries: 5
> PHY probe remaining retries: 12
> moddef0: 0
> rx_los: 1
> tx_fault: 1
> tx_disable: 1
>
> Signed-off-by: Russell King <rmk+ker...@armlinux.org.uk>
Hi Russell
This looks useful. I always seem to end up recompiling the kernel,
which as you said, this should avoid.
Reviewed-by: Andrew Lunn <and...@lunn.ch>
Andrew
