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-rw-r--r--drivers/net/ethernet/freescale/fec.h2
-rw-r--r--drivers/net/ethernet/freescale/fec_main.c19
2 files changed, 11 insertions, 10 deletions
diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h
index f58f9ea51639..92fd5c0bf4df 100644
--- a/drivers/net/ethernet/freescale/fec.h
+++ b/drivers/net/ethernet/freescale/fec.h
@@ -442,6 +442,8 @@ struct bufdesc_ex {
#define FEC_QUIRK_SINGLE_MDIO (1 << 11)
/* Controller supports RACC register */
#define FEC_QUIRK_HAS_RACC (1 << 12)
+/* Controller supports interrupt coalesc */
+#define FEC_QUIRK_HAS_COALESCE (1 << 13)
struct bufdesc_prop {
int qid;
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index c36401e59905..8afef20337cb 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -111,7 +111,7 @@ static struct platform_device_id fec_devtype[] = {
FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM |
FEC_QUIRK_HAS_VLAN | FEC_QUIRK_HAS_AVB |
FEC_QUIRK_ERR007885 | FEC_QUIRK_BUG_CAPTURE |
- FEC_QUIRK_HAS_RACC,
+ FEC_QUIRK_HAS_RACC | FEC_QUIRK_HAS_COALESCE,
}, {
/* sentinel */
}
@@ -2358,9 +2358,6 @@ static void fec_enet_itr_coal_set(struct net_device *ndev)
struct fec_enet_private *fep = netdev_priv(ndev);
int rx_itr, tx_itr;
- if (!(fep->quirks & FEC_QUIRK_HAS_AVB))
- return;
-
/* Must be greater than zero to avoid unpredictable behavior */
if (!fep->rx_time_itr || !fep->rx_pkts_itr ||
!fep->tx_time_itr || !fep->tx_pkts_itr)
@@ -2383,10 +2380,12 @@ static void fec_enet_itr_coal_set(struct net_device *ndev)
writel(tx_itr, fep->hwp + FEC_TXIC0);
writel(rx_itr, fep->hwp + FEC_RXIC0);
- writel(tx_itr, fep->hwp + FEC_TXIC1);
- writel(rx_itr, fep->hwp + FEC_RXIC1);
- writel(tx_itr, fep->hwp + FEC_TXIC2);
- writel(rx_itr, fep->hwp + FEC_RXIC2);
+ if (fep->quirks & FEC_QUIRK_HAS_AVB) {
+ writel(tx_itr, fep->hwp + FEC_TXIC1);
+ writel(rx_itr, fep->hwp + FEC_RXIC1);
+ writel(tx_itr, fep->hwp + FEC_TXIC2);
+ writel(rx_itr, fep->hwp + FEC_RXIC2);
+ }
}
static int
@@ -2394,7 +2393,7 @@ fec_enet_get_coalesce(struct net_device *ndev, struct ethtool_coalesce *ec)
{
struct fec_enet_private *fep = netdev_priv(ndev);
- if (!(fep->quirks & FEC_QUIRK_HAS_AVB))
+ if (!(fep->quirks & FEC_QUIRK_HAS_COALESCE))
return -EOPNOTSUPP;
ec->rx_coalesce_usecs = fep->rx_time_itr;
@@ -2412,7 +2411,7 @@ fec_enet_set_coalesce(struct net_device *ndev, struct ethtool_coalesce *ec)
struct fec_enet_private *fep = netdev_priv(ndev);
unsigned int cycle;
- if (!(fep->quirks & FEC_QUIRK_HAS_AVB))
+ if (!(fep->quirks & FEC_QUIRK_HAS_COALESCE))
return -EOPNOTSUPP;
if (ec->rx_max_coalesced_frames > 255) {