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path: root/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
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Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac_main.c')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_main.c84
1 files changed, 1 insertions, 83 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 208cae344ffa..4749bd0af160 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1380,88 +1380,6 @@ static void stmmac_free_tx_buffer(struct stmmac_priv *priv, u32 queue, int i)
}
/**
- * stmmac_reinit_rx_buffers - reinit the RX descriptor buffer.
- * @priv: driver private structure
- * Description: this function is called to re-allocate a receive buffer, perform
- * the DMA mapping and init the descriptor.
- */
-static void stmmac_reinit_rx_buffers(struct stmmac_priv *priv)
-{
- u32 rx_count = priv->plat->rx_queues_to_use;
- u32 queue;
- int i;
-
- for (queue = 0; queue < rx_count; queue++) {
- struct stmmac_rx_queue *rx_q = &priv->rx_queue[queue];
-
- for (i = 0; i < priv->dma_rx_size; i++) {
- struct stmmac_rx_buffer *buf = &rx_q->buf_pool[i];
-
- if (buf->page) {
- page_pool_recycle_direct(rx_q->page_pool, buf->page);
- buf->page = NULL;
- }
-
- if (priv->sph && buf->sec_page) {
- page_pool_recycle_direct(rx_q->page_pool, buf->sec_page);
- buf->sec_page = NULL;
- }
- }
- }
-
- for (queue = 0; queue < rx_count; queue++) {
- struct stmmac_rx_queue *rx_q = &priv->rx_queue[queue];
-
- for (i = 0; i < priv->dma_rx_size; i++) {
- struct stmmac_rx_buffer *buf = &rx_q->buf_pool[i];
- struct dma_desc *p;
-
- if (priv->extend_desc)
- p = &((rx_q->dma_erx + i)->basic);
- else
- p = rx_q->dma_rx + i;
-
- if (!buf->page) {
- buf->page = page_pool_dev_alloc_pages(rx_q->page_pool);
- if (!buf->page)
- goto err_reinit_rx_buffers;
-
- buf->addr = page_pool_get_dma_addr(buf->page);
- }
-
- if (priv->sph && !buf->sec_page) {
- buf->sec_page = page_pool_dev_alloc_pages(rx_q->page_pool);
- if (!buf->sec_page)
- goto err_reinit_rx_buffers;
-
- buf->sec_addr = page_pool_get_dma_addr(buf->sec_page);
- }
-
- stmmac_set_desc_addr(priv, p, buf->addr);
- if (priv->sph)
- stmmac_set_desc_sec_addr(priv, p, buf->sec_addr, true);
- else
- stmmac_set_desc_sec_addr(priv, p, buf->sec_addr, false);
- if (priv->dma_buf_sz == BUF_SIZE_16KiB)
- stmmac_init_desc3(priv, p);
- }
- }
-
- return;
-
-err_reinit_rx_buffers:
- do {
- while (--i >= 0)
- stmmac_free_rx_buffer(priv, queue, i);
-
- if (queue == 0)
- break;
-
- i = priv->dma_rx_size;
- } while (queue-- > 0);
-}
-
-/**
* init_dma_rx_desc_rings - init the RX descriptor rings
* @dev: net device structure
* @flags: gfp flag.
@@ -5428,7 +5346,7 @@ int stmmac_resume(struct device *dev)
mutex_lock(&priv->lock);
stmmac_reset_queues_param(priv);
- stmmac_reinit_rx_buffers(priv);
+
stmmac_free_tx_skbufs(priv);
stmmac_clear_descriptors(priv);