diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c | 24 |
1 files changed, 3 insertions, 21 deletions
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c b/drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c index 7e4061c854f0..a42035cec611 100644 --- a/drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c +++ b/drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c @@ -309,6 +309,7 @@ static void lan966x_fdma_tx_disable(struct lan966x_tx *tx) lan966x, FDMA_CH_DB_DISCARD); tx->activated = false; + tx->last_in_use = -1; } static void lan966x_fdma_tx_reload(struct lan966x_tx *tx) @@ -687,17 +688,14 @@ static int lan966x_qsys_sw_status(struct lan966x *lan966x) static int lan966x_fdma_reload(struct lan966x *lan966x, int new_mtu) { - void *rx_dcbs, *tx_dcbs, *tx_dcbs_buf; - dma_addr_t rx_dma, tx_dma; + dma_addr_t rx_dma; + void *rx_dcbs; u32 size; int err; /* Store these for later to free them */ rx_dma = lan966x->rx.dma; - tx_dma = lan966x->tx.dma; rx_dcbs = lan966x->rx.dcbs; - tx_dcbs = lan966x->tx.dcbs; - tx_dcbs_buf = lan966x->tx.dcbs_buf; napi_synchronize(&lan966x->napi); napi_disable(&lan966x->napi); @@ -715,17 +713,6 @@ static int lan966x_fdma_reload(struct lan966x *lan966x, int new_mtu) size = ALIGN(size, PAGE_SIZE); dma_free_coherent(lan966x->dev, size, rx_dcbs, rx_dma); - lan966x_fdma_tx_disable(&lan966x->tx); - err = lan966x_fdma_tx_alloc(&lan966x->tx); - if (err) - goto restore_tx; - - size = sizeof(struct lan966x_tx_dcb) * FDMA_DCB_MAX; - size = ALIGN(size, PAGE_SIZE); - dma_free_coherent(lan966x->dev, size, tx_dcbs, tx_dma); - - kfree(tx_dcbs_buf); - lan966x_fdma_wakeup_netdev(lan966x); napi_enable(&lan966x->napi); @@ -735,11 +722,6 @@ restore: lan966x->rx.dcbs = rx_dcbs; lan966x_fdma_rx_start(&lan966x->rx); -restore_tx: - lan966x->tx.dma = tx_dma; - lan966x->tx.dcbs = tx_dcbs; - lan966x->tx.dcbs_buf = tx_dcbs_buf; - return err; } |