diff options
Diffstat (limited to 'target/linux/lantiq/patches-5.4/0005-lantiq_etop-pass-struct-device-to-DMA-API-functions.patch')
| -rw-r--r-- | target/linux/lantiq/patches-5.4/0005-lantiq_etop-pass-struct-device-to-DMA-API-functions.patch | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/target/linux/lantiq/patches-5.4/0005-lantiq_etop-pass-struct-device-to-DMA-API-functions.patch b/target/linux/lantiq/patches-5.4/0005-lantiq_etop-pass-struct-device-to-DMA-API-functions.patch deleted file mode 100644 index ccde787d2d..0000000000 --- a/target/linux/lantiq/patches-5.4/0005-lantiq_etop-pass-struct-device-to-DMA-API-functions.patch +++ /dev/null @@ -1,43 +0,0 @@ -From 74e0deb89a8ba27c132b1f0e08643e215b5c1f92 Mon Sep 17 00:00:00 2001 -From: Christoph Hellwig <hch@lst.de> -Date: Mon, 11 Feb 2019 14:20:00 +0100 -Subject: [PATCH] lantiq_etop: pass struct device to DMA API functions - -The DMA API generally relies on a struct device to work properly, and -only barely works without one for legacy reasons. Pass the easily -available struct device from the platform_device to remedy this. - -Note this driver seems to lack dma_unmap_* calls entirely, but fixing -that is left for another time. - -Signed-off-by: Christoph Hellwig <hch@lst.de> -Signed-off-by: David S. Miller <davem@davemloft.net> ---- - drivers/net/ethernet/lantiq_etop.c | 6 ++++-- - 1 file changed, 4 insertions(+), 2 deletions(-) - ---- a/drivers/net/ethernet/lantiq_etop.c -+++ b/drivers/net/ethernet/lantiq_etop.c -@@ -112,10 +112,12 @@ struct ltq_etop_priv { - static int - ltq_etop_alloc_skb(struct ltq_etop_chan *ch) - { -+ struct ltq_etop_priv *priv = netdev_priv(ch->netdev); -+ - ch->skb[ch->dma.desc] = netdev_alloc_skb(ch->netdev, MAX_DMA_DATA_LEN); - if (!ch->skb[ch->dma.desc]) - return -ENOMEM; -- ch->dma.desc_base[ch->dma.desc].addr = dma_map_single(NULL, -+ ch->dma.desc_base[ch->dma.desc].addr = dma_map_single(&priv->pdev->dev, - ch->skb[ch->dma.desc]->data, MAX_DMA_DATA_LEN, - DMA_FROM_DEVICE); - ch->dma.desc_base[ch->dma.desc].addr = -@@ -493,7 +495,7 @@ ltq_etop_tx(struct sk_buff *skb, struct - netif_trans_update(dev); - - spin_lock_irqsave(&priv->lock, flags); -- desc->addr = ((unsigned int) dma_map_single(NULL, skb->data, len, -+ desc->addr = ((unsigned int) dma_map_single(&priv->pdev->dev, skb->data, len, - DMA_TO_DEVICE)) - byte_offset; - wmb(); - desc->ctl = LTQ_DMA_OWN | LTQ_DMA_SOP | LTQ_DMA_EOP | |