Commit cf1d972c authored by Yaniv Rosner's avatar Yaniv Rosner Committed by David S. Miller
Browse files

bnx2x: Clear latch indication on link reset 



When using latch indication for link change notification, need to
clear it when port is unloaded, otherwise it might generate false
indication on next load.

Signed-off-by: default avatarYaniv Rosner <yanivr@broadcom.com>
Signed-off-by: default avatarEilon Greenstein <eilong@broadcom.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6a71bbe0

drivers/net/bnx2x/bnx2x_link.c

+10 −1
Original line number Diff line number Diff line
@@ -6938,7 +6938,7 @@ u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars, 
		  u8 reset_ext_phy)

{

	struct bnx2x *bp = params->bp;

	u8 phy_index, port = params->port;

	u8 phy_index, port = params->port, clear_latch_ind = 0;

	DP(NETIF_MSG_LINK, "Resetting the link of port %d\n", port);

	/* disable attentions */

	vars->link_status = 0;
@@ -6976,9 +6976,18 @@ u8 bnx2x_link_reset(struct link_params *params, struct link_vars *vars, 
				params->phy[phy_index].link_reset(

					&params->phy[phy_index],

					params);

			if (params->phy[phy_index].flags &

			    FLAGS_REARM_LATCH_SIGNAL)

				clear_latch_ind = 1;

		}

	}



	if (clear_latch_ind) {

		/* Clear latching indication */

		bnx2x_rearm_latch_signal(bp, port, 0);

		bnx2x_bits_dis(bp, NIG_REG_LATCH_BC_0 + port*4,

			       1 << NIG_LATCH_BC_ENABLE_MI_INT);

	}

	if (params->phy[INT_PHY].link_reset)

		params->phy[INT_PHY].link_reset(

			&params->phy[INT_PHY], params);

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