From cf1d972cb6393b9b042289739111773226861d6c Mon Sep 17 00:00:00 2001 From: Yaniv Rosner Date: Mon, 1 Nov 2010 05:32:34 +0000 Subject: [PATCH] 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: Yaniv Rosner Signed-off-by: Eilon Greenstein Signed-off-by: David S. Miller --- drivers/net/bnx2x/bnx2x_link.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/net/bnx2x/bnx2x_link.c b/drivers/net/bnx2x/bnx2x_link.c index fc637ce7f57..fdd7e034946 100644 --- a/drivers/net/bnx2x/bnx2x_link.c +++ b/drivers/net/bnx2x/bnx2x_link.c @@ -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( ¶ms->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( ¶ms->phy[INT_PHY], params); -- 2.43.2