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net: enetc: create enetc_dma_free_bdr()

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This is a refactoring change which introduces the opposite function of
enetc_dma_alloc_bdr().

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Vladimir Oltean 2023-01-18 01:02:25 +02:00 committed by Jakub Kicinski
parent fbf1cff98c
commit 0d6cfd0f5e
1 changed files with 11 additions and 14 deletions
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25
drivers/net/ethernet/freescale/enetc/enetc.c
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@ -1732,6 +1732,13 @@ static int enetc_dma_alloc_bdr(struct enetc_bdr *r, size_t bd_size)
return 0;
}
static void enetc_dma_free_bdr(struct enetc_bdr *r, size_t bd_size)
{
dma_free_coherent(r->dev, r->bd_count * bd_size, r->bd_base,
r->bd_dma_base);
r->bd_base = NULL;
}
static int enetc_alloc_txbdr(struct enetc_bdr *txr)
{
int err;
@ -1756,9 +1763,7 @@ static int enetc_alloc_txbdr(struct enetc_bdr *txr)
return 0;
err_alloc_tso:
dma_free_coherent(txr->dev, txr->bd_count * sizeof(union enetc_tx_bd),
txr->bd_base, txr->bd_dma_base);
txr->bd_base = NULL;
enetc_dma_free_bdr(txr, sizeof(union enetc_tx_bd));
err_alloc_bdr:
vfree(txr->tx_swbd);
txr->tx_swbd = NULL;
@ -1768,19 +1773,16 @@ err_alloc_bdr:
static void enetc_free_txbdr(struct enetc_bdr *txr)
{
int size, i;
int i;
for (i = 0; i < txr->bd_count; i++)
enetc_free_tx_frame(txr, &txr->tx_swbd[i]);
size = txr->bd_count * sizeof(union enetc_tx_bd);
dma_free_coherent(txr->dev, txr->bd_count * TSO_HEADER_SIZE,
txr->tso_headers, txr->tso_headers_dma);
txr->tso_headers = NULL;
dma_free_coherent(txr->dev, size, txr->bd_base, txr->bd_dma_base);
txr->bd_base = NULL;
enetc_dma_free_bdr(txr, sizeof(union enetc_tx_bd));
vfree(txr->tx_swbd);
txr->tx_swbd = NULL;
@ -1839,12 +1841,7 @@ static int enetc_alloc_rxbdr(struct enetc_bdr *rxr, bool extended)
static void enetc_free_rxbdr(struct enetc_bdr *rxr)
{
int size;
size = rxr->bd_count * sizeof(union enetc_rx_bd);
dma_free_coherent(rxr->dev, size, rxr->bd_base, rxr->bd_dma_base);
rxr->bd_base = NULL;
enetc_dma_free_bdr(rxr, sizeof(union enetc_rx_bd));
vfree(rxr->rx_swbd);
rxr->rx_swbd = NULL;