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Date: Tue, 23 Aug 2022 10:24:14 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Louis Peens <louis.peens@...igine.com>, Yu Xiao <yu.xiao@...igine.com>, Simon Horman <simon.horman@...igine.com>, Jakub Kicinski <kuba@...nel.org> Subject: [PATCH 5.15 095/244] nfp: ethtool: fix the display error of `ethtool -m DEVNAME` From: Yu Xiao <yu.xiao@...igine.com> commit 4ae97cae07e15d41e5c0ebabba64c6eefdeb0bbe upstream. The port flag isn't set to `NFP_PORT_CHANGED` when using `ethtool -m DEVNAME` before, so the port state (e.g. interface) cannot be updated. Therefore, it caused that `ethtool -m DEVNAME` sometimes cannot read the correct information. E.g. `ethtool -m DEVNAME` cannot work when load driver before plug in optical module, as the port interface is still NONE without port update. Now update the port state before sending info to NIC to ensure that port interface is correct (latest state). Fixes: 61f7c6f44870 ("nfp: implement ethtool get module EEPROM") Reviewed-by: Louis Peens <louis.peens@...igine.com> Signed-off-by: Yu Xiao <yu.xiao@...igine.com> Signed-off-by: Simon Horman <simon.horman@...igine.com> Link: https://lore.kernel.org/r/20220802093355.69065-1-simon.horman@corigine.com Signed-off-by: Jakub Kicinski <kuba@...nel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c @@ -1219,6 +1219,8 @@ nfp_port_get_module_info(struct net_devi u8 data; port = nfp_port_from_netdev(netdev); + /* update port state to get latest interface */ + set_bit(NFP_PORT_CHANGED, &port->flags); eth_port = nfp_port_get_eth_port(port); if (!eth_port) return -EOPNOTSUPP;
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