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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-03-26 09:19:02 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-03-26 09:19:02 -0700
commite58b9a25eeb89ab2ee05cd093f6d7bc2f34acb21 (patch)
tree40162c796bc60f00d062b37718dc62adc970ac07 /drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
parenta6025a2a861845447adeb7a11c3043039959d3a1 (diff)
parentdf8c3dbee9e6f19ddb0ae8e05cdf76eb2d3b7f00 (diff)
downloadolio-linux-3.10-e58b9a25eeb89ab2ee05cd093f6d7bc2f34acb21.tar.xz
olio-linux-3.10-e58b9a25eeb89ab2ee05cd093f6d7bc2f34acb21.zip
Merge tag 'arizona-extcon-asoc' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc into char-misc-next
Mark writes: ASoC/extcon: arizona: Fix interaction between HPDET and headphone outputs This patch series covers both ASoC and extcon subsystems and fixes an interaction between the HPDET function and the headphone outputs - we really shouldn't run HPDET while the headphone is active. The first patch is a refactoring to make the extcon side easier.
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c')
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
index 31c5787970d..77ebae0ac64 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
@@ -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);
@@ -12527,6 +12529,8 @@ int bnx2x_phy_init(struct link_params *params, struct link_vars *vars)
vars->flow_ctrl = BNX2X_FLOW_CTRL_NONE;
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 */
@@ -12691,6 +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);
/*
@@ -13411,6 +13416,7 @@ static void bnx2x_disable_kr2(struct link_params *params,
vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
bnx2x_update_link_attr(params, vars->link_attr_sync);
+ vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;
/* Restart AN on leading lane */
bnx2x_warpcore_restart_AN_KR(phy, params);
}
@@ -13439,6 +13445,15 @@ static void bnx2x_check_kr2_wa(struct link_params *params,
return;
}
+ /* Once KR2 was disabled, wait 5 seconds before checking KR2 recovery
+ * since some switches tend to reinit the AN process and clear the
+ * advertised BP/NP after ~2 seconds causing the KR2 to be disabled
+ * and recovered many times
+ */
+ if (vars->check_kr2_recovery_cnt > 0) {
+ vars->check_kr2_recovery_cnt--;
+ return;
+ }
lane = bnx2x_get_warpcore_lane(phy, params);
CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK,
MDIO_AER_BLOCK_AER_REG, lane);