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bnx2x: Clear latch indication on link reset

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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 <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yaniv Rosner 2010-11-01 05:32:34 +00:00 committed by David S. Miller
parent 6a71bbe04c
commit cf1d972cb6
1 changed files with 10 additions and 1 deletions
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11
drivers/net/bnx2x/bnx2x_link.c
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@ -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);