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bnx2x: Fix SFP+ misconfiguration in iSCSI boot scenario

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Fix a problem in which iSCSI-boot installation fails when switching SFP+ boot
port and moving the SFP+ module prior to boot. The SFP+ insertion triggers an
interrupt which configures the SFP+ module wrongly before interface is loaded.

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 2013-03-07 13:27:34 +00:00 committed by David S. Miller
parent 5f3347e6e7
commit d916932330
2 changed files with 6 additions and 1 deletions
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6
drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
View File

@ -8647,7 +8647,9 @@ void bnx2x_handle_module_detect_int(struct link_params *params)
MDIO_WC_DEVAD,
MDIO_WC_REG_DIGITAL5_MISC6,
&rx_tx_in_reset);
if (!rx_tx_in_reset) {
if ((!rx_tx_in_reset) &&
(params->link_flags &
PHY_INITIALIZED)) {
bnx2x_warpcore_reset_lane(bp, phy, 1);
bnx2x_warpcore_config_sfi(phy, params);
bnx2x_warpcore_reset_lane(bp, phy, 0);
@ -12528,6 +12530,7 @@ int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
vars->mac_type = MAC_TYPE_NONE;
vars->phy_flags = 0;
vars->check_kr2_recovery_cnt = 0;
params->link_flags = PHY_INITIALIZED;
/* Driver opens NIG-BRB filters */
bnx2x_set_rx_filter(params, 1);
/* Check if link flap can be avoided */
@ -12692,6 +12695,7 @@ int bnx2x_lfa_reset(struct link_params *params,
struct bnx2x *bp = params->bp;
vars->link_up = 0;
vars->phy_flags = 0;
params->link_flags &= ~PHY_INITIALIZED;
if (!params->lfa_base)
return bnx2x_link_reset(params, vars, 1);
/*

1
drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.h
View File

@ -309,6 +309,7 @@ struct link_params {
req_flow_ctrl is set to AUTO */
u16 link_flags;
#define LINK_FLAGS_INT_DISABLED (1<<0)
#define PHY_INITIALIZED (1<<1)
u32 lfa_base;
};