Commit 0b395f28 authored by Biju Das's avatar Biju Das Committed by David S. Miller

ravb: Add tsrq to struct ravb_hw_info

R-Car AVB-DMAC has 4 Transmit start request queues, whereas
RZ/G2L has only 1 Transmit start request queue.

Add a tsrq variable to struct ravb_hw_info to handle this
difference.
Signed-off-by: default avatarBiju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: default avatarLad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 7e09a052
......@@ -997,6 +997,7 @@ struct ravb_hw_info {
netdev_features_t net_features;
int stats_len;
size_t max_rx_len;
u32 tsrq;
unsigned aligned_tx: 1;
/* hardware features */
......
......@@ -790,11 +790,13 @@ static void ravb_rcv_snd_enable(struct net_device *ndev)
/* function for waiting dma process finished */
static int ravb_stop_dma(struct net_device *ndev)
{
struct ravb_private *priv = netdev_priv(ndev);
const struct ravb_hw_info *info = priv->info;
int error;
/* Wait for stopping the hardware TX process */
error = ravb_wait(ndev, TCCR,
TCCR_TSRQ0 | TCCR_TSRQ1 | TCCR_TSRQ2 | TCCR_TSRQ3, 0);
error = ravb_wait(ndev, TCCR, info->tsrq, 0);
if (error)
return error;
......@@ -2128,6 +2130,7 @@ static const struct ravb_hw_info ravb_gen3_hw_info = {
.net_features = NETIF_F_RXCSUM,
.stats_len = ARRAY_SIZE(ravb_gstrings_stats),
.max_rx_len = RX_BUF_SZ + RAVB_ALIGN - 1,
.tsrq = TCCR_TSRQ0 | TCCR_TSRQ1 | TCCR_TSRQ2 | TCCR_TSRQ3,
.internal_delay = 1,
.tx_counters = 1,
.multi_irqs = 1,
......@@ -2150,6 +2153,7 @@ static const struct ravb_hw_info ravb_gen2_hw_info = {
.net_features = NETIF_F_RXCSUM,
.stats_len = ARRAY_SIZE(ravb_gstrings_stats),
.max_rx_len = RX_BUF_SZ + RAVB_ALIGN - 1,
.tsrq = TCCR_TSRQ0 | TCCR_TSRQ1 | TCCR_TSRQ2 | TCCR_TSRQ3,
.aligned_tx = 1,
.gptp = 1,
.nc_queue = 1,
......@@ -2165,6 +2169,7 @@ static const struct ravb_hw_info gbeth_hw_info = {
.dmac_init = ravb_dmac_init_gbeth,
.emac_init = ravb_emac_init_gbeth,
.max_rx_len = GBETH_RX_BUFF_MAX + RAVB_ALIGN - 1,
.tsrq = TCCR_TSRQ0,
.aligned_tx = 1,
.tx_counters = 1,
};
......
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