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-rw-r--r--drivers/net/ethernet/intel/e1000e/ich8lan.c32
-rw-r--r--drivers/net/ethernet/intel/e1000e/ich8lan.h3
-rw-r--r--drivers/net/ethernet/intel/ice/ice_devlink.c4
-rw-r--r--drivers/net/ethernet/intel/igc/igc_main.c36
-rw-r--r--drivers/net/ethernet/intel/igc/igc_ptp.c3
5 files changed, 53 insertions, 25 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c
index cf7b3887da1d..a80336c4319b 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.c
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c
@@ -1006,6 +1006,8 @@ static s32 e1000_platform_pm_pch_lpt(struct e1000_hw *hw, bool link)
{
u32 reg = link << (E1000_LTRV_REQ_SHIFT + E1000_LTRV_NOSNOOP_SHIFT) |
link << E1000_LTRV_REQ_SHIFT | E1000_LTRV_SEND;
+ u16 max_ltr_enc_d = 0; /* maximum LTR decoded by platform */
+ u16 lat_enc_d = 0; /* latency decoded */
u16 lat_enc = 0; /* latency encoded */
if (link) {
@@ -1059,7 +1061,17 @@ static s32 e1000_platform_pm_pch_lpt(struct e1000_hw *hw, bool link)
E1000_PCI_LTR_CAP_LPT + 2, &max_nosnoop);
max_ltr_enc = max_t(u16, max_snoop, max_nosnoop);
- if (lat_enc > max_ltr_enc)
+ lat_enc_d = (lat_enc & E1000_LTRV_VALUE_MASK) *
+ (1U << (E1000_LTRV_SCALE_FACTOR *
+ ((lat_enc & E1000_LTRV_SCALE_MASK)
+ >> E1000_LTRV_SCALE_SHIFT)));
+
+ max_ltr_enc_d = (max_ltr_enc & E1000_LTRV_VALUE_MASK) *
+ (1U << (E1000_LTRV_SCALE_FACTOR *
+ ((max_ltr_enc & E1000_LTRV_SCALE_MASK)
+ >> E1000_LTRV_SCALE_SHIFT)));
+
+ if (lat_enc_d > max_ltr_enc_d)
lat_enc = max_ltr_enc;
}
@@ -4115,13 +4127,17 @@ static s32 e1000_validate_nvm_checksum_ich8lan(struct e1000_hw *hw)
return ret_val;
if (!(data & valid_csum_mask)) {
- data |= valid_csum_mask;
- ret_val = e1000_write_nvm(hw, word, 1, &data);
- if (ret_val)
- return ret_val;
- ret_val = e1000e_update_nvm_checksum(hw);
- if (ret_val)
- return ret_val;
+ e_dbg("NVM Checksum Invalid\n");
+
+ if (hw->mac.type < e1000_pch_cnp) {
+ data |= valid_csum_mask;
+ ret_val = e1000_write_nvm(hw, word, 1, &data);
+ if (ret_val)
+ return ret_val;
+ ret_val = e1000e_update_nvm_checksum(hw);
+ if (ret_val)
+ return ret_val;
+ }
}
return e1000e_validate_nvm_checksum_generic(hw);
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.h b/drivers/net/ethernet/intel/e1000e/ich8lan.h
index 1502895eb45d..e757896287eb 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.h
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.h
@@ -274,8 +274,11 @@
/* Latency Tolerance Reporting */
#define E1000_LTRV 0x000F8
+#define E1000_LTRV_VALUE_MASK 0x000003FF
#define E1000_LTRV_SCALE_MAX 5
#define E1000_LTRV_SCALE_FACTOR 5
+#define E1000_LTRV_SCALE_SHIFT 10
+#define E1000_LTRV_SCALE_MASK 0x00001C00
#define E1000_LTRV_REQ_SHIFT 15
#define E1000_LTRV_NOSNOOP_SHIFT 16
#define E1000_LTRV_SEND (1 << 30)
diff --git a/drivers/net/ethernet/intel/ice/ice_devlink.c b/drivers/net/ethernet/intel/ice/ice_devlink.c
index 91b545ab8b8f..7fe6e8ea39f0 100644
--- a/drivers/net/ethernet/intel/ice/ice_devlink.c
+++ b/drivers/net/ethernet/intel/ice/ice_devlink.c
@@ -42,7 +42,9 @@ static int ice_info_pba(struct ice_pf *pf, struct ice_info_ctx *ctx)
status = ice_read_pba_string(hw, (u8 *)ctx->buf, sizeof(ctx->buf));
if (status)
- return -EIO;
+ /* We failed to locate the PBA, so just skip this entry */
+ dev_dbg(ice_pf_to_dev(pf), "Failed to read Product Board Assembly string, status %s\n",
+ ice_stat_str(status));
return 0;
}
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
index e29aadbc6744..ed2d66bc2d6c 100644
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -149,6 +149,9 @@ static void igc_release_hw_control(struct igc_adapter *adapter)
struct igc_hw *hw = &adapter->hw;
u32 ctrl_ext;
+ if (!pci_device_is_present(adapter->pdev))
+ return;
+
/* Let firmware take over control of h/w */
ctrl_ext = rd32(IGC_CTRL_EXT);
wr32(IGC_CTRL_EXT,
@@ -4449,26 +4452,29 @@ void igc_down(struct igc_adapter *adapter)
igc_ptp_suspend(adapter);
- /* disable receives in the hardware */
- rctl = rd32(IGC_RCTL);
- wr32(IGC_RCTL, rctl & ~IGC_RCTL_EN);
- /* flush and sleep below */
-
+ if (pci_device_is_present(adapter->pdev)) {
+ /* disable receives in the hardware */
+ rctl = rd32(IGC_RCTL);
+ wr32(IGC_RCTL, rctl & ~IGC_RCTL_EN);
+ /* flush and sleep below */
+ }
/* set trans_start so we don't get spurious watchdogs during reset */
netif_trans_update(netdev);
netif_carrier_off(netdev);
netif_tx_stop_all_queues(netdev);
- /* disable transmits in the hardware */
- tctl = rd32(IGC_TCTL);
- tctl &= ~IGC_TCTL_EN;
- wr32(IGC_TCTL, tctl);
- /* flush both disables and wait for them to finish */
- wrfl();
- usleep_range(10000, 20000);
+ if (pci_device_is_present(adapter->pdev)) {
+ /* disable transmits in the hardware */
+ tctl = rd32(IGC_TCTL);
+ tctl &= ~IGC_TCTL_EN;
+ wr32(IGC_TCTL, tctl);
+ /* flush both disables and wait for them to finish */
+ wrfl();
+ usleep_range(10000, 20000);
- igc_irq_disable(adapter);
+ igc_irq_disable(adapter);
+ }
adapter->flags &= ~IGC_FLAG_NEED_LINK_UPDATE;
@@ -5489,7 +5495,7 @@ static bool validate_schedule(struct igc_adapter *adapter,
if (e->command != TC_TAPRIO_CMD_SET_GATES)
return false;
- for (i = 0; i < IGC_MAX_TX_QUEUES; i++) {
+ for (i = 0; i < adapter->num_tx_queues; i++) {
if (e->gate_mask & BIT(i))
queue_uses[i]++;
@@ -5546,7 +5552,7 @@ static int igc_save_qbv_schedule(struct igc_adapter *adapter,
end_time += e->interval;
- for (i = 0; i < IGC_MAX_TX_QUEUES; i++) {
+ for (i = 0; i < adapter->num_tx_queues; i++) {
struct igc_ring *ring = adapter->tx_ring[i];
if (!(e->gate_mask & BIT(i)))
diff --git a/drivers/net/ethernet/intel/igc/igc_ptp.c b/drivers/net/ethernet/intel/igc/igc_ptp.c
index 69617d2c1be2..4ae19c6a3247 100644
--- a/drivers/net/ethernet/intel/igc/igc_ptp.c
+++ b/drivers/net/ethernet/intel/igc/igc_ptp.c
@@ -849,7 +849,8 @@ void igc_ptp_suspend(struct igc_adapter *adapter)
adapter->ptp_tx_skb = NULL;
clear_bit_unlock(__IGC_PTP_TX_IN_PROGRESS, &adapter->state);
- igc_ptp_time_save(adapter);
+ if (pci_device_is_present(adapter->pdev))
+ igc_ptp_time_save(adapter);
}
/**