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net: lan966x: use library helper for freeing rx buffers

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The library has the helper fdma_free_phys() for freeing physical FDMA
memory. Use it in the exit path.

Signed-off-by: Daniel Machon <daniel.machon@microchip.com>
Reviewed-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Daniel Machon 2024-09-05 10:06:34 +02:00 committed by Paolo Abeni
parent 2b5a09e67b
commit f51293b3ea
1 changed files with 2 additions and 14 deletions
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16
drivers/net/ethernet/microchip/lan966x/lan966x_fdma.c
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@ -114,18 +114,6 @@ static void lan966x_fdma_rx_advance_dcb(struct lan966x_rx *rx)
fdma->dcb_index &= fdma->n_dcbs - 1;
}
static void lan966x_fdma_rx_free(struct lan966x_rx *rx)
{
struct lan966x *lan966x = rx->lan966x;
struct fdma *fdma = &rx->fdma;
u32 size;
/* Now it is possible to do the cleanup of dcb */
size = sizeof(struct lan966x_tx_dcb) * fdma->n_dcbs;
size = ALIGN(size, PAGE_SIZE);
dma_free_coherent(lan966x->dev, size, fdma->dcbs, fdma->dma);
}
static void lan966x_fdma_rx_start(struct lan966x_rx *rx)
{
struct lan966x *lan966x = rx->lan966x;
@ -1019,7 +1007,7 @@ int lan966x_fdma_init(struct lan966x *lan966x)
err = lan966x_fdma_tx_alloc(&lan966x->tx);
if (err) {
lan966x_fdma_rx_free(&lan966x->rx);
fdma_free_coherent(lan966x->dev, &lan966x->rx.fdma);
return err;
}
@ -1040,7 +1028,7 @@ void lan966x_fdma_deinit(struct lan966x *lan966x)
napi_disable(&lan966x->napi);
lan966x_fdma_rx_free_pages(&lan966x->rx);
lan966x_fdma_rx_free(&lan966x->rx);
fdma_free_coherent(lan966x->dev, &lan966x->rx.fdma);
page_pool_destroy(lan966x->rx.page_pool);
lan966x_fdma_tx_free(&lan966x->tx);
}