diff options
Diffstat (limited to 'target/linux/generic/patches-3.19/071-bgmac-Clean-warning-messages.patch')
| -rw-r--r-- | target/linux/generic/patches-3.19/071-bgmac-Clean-warning-messages.patch | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.19/071-bgmac-Clean-warning-messages.patch b/target/linux/generic/patches-3.19/071-bgmac-Clean-warning-messages.patch new file mode 100644 index 0000000000..fd3e11d672 --- /dev/null +++ b/target/linux/generic/patches-3.19/071-bgmac-Clean-warning-messages.patch @@ -0,0 +1,55 @@ +From 8edfe3b6fad28da191c8fa15e4e0d8f7335a0091 Mon Sep 17 00:00:00 2001 +From: Peter Senna Tschudin <peter.senna@gmail.com> +Date: Sat, 7 Mar 2015 12:10:26 +0100 +Subject: [PATCH] bgmac: Clean warning messages +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +On my test environment the throughput of a file transfer drops +from 4.4MBps to 116KBps due the number of repeated warning +messages. This patch removes the warning messages as DMA works +correctly with addresses using 0xC0000000 bits. + +Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com> +Acked-by: Rafał Miłecki <zajec5@gmail.com> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/ethernet/broadcom/bgmac.c | 7 ------- + 1 file changed, 7 deletions(-) + +diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c +index 676ffe0..0469f72 100644 +--- a/drivers/net/ethernet/broadcom/bgmac.c ++++ b/drivers/net/ethernet/broadcom/bgmac.c +@@ -302,9 +302,6 @@ static int bgmac_dma_rx_skb_for_slot(struct bgmac *bgmac, + slot->skb = skb; + slot->dma_addr = dma_addr; + +- if (slot->dma_addr & 0xC0000000) +- bgmac_warn(bgmac, "DMA address using 0xC0000000 bit(s), it may need translation trick\n"); +- + return 0; + } + +@@ -505,8 +502,6 @@ static int bgmac_dma_alloc(struct bgmac *bgmac) + ring->mmio_base); + goto err_dma_free; + } +- if (ring->dma_base & 0xC0000000) +- bgmac_warn(bgmac, "DMA address using 0xC0000000 bit(s), it may need translation trick\n"); + + ring->unaligned = bgmac_dma_unaligned(bgmac, ring, + BGMAC_DMA_RING_TX); +@@ -536,8 +531,6 @@ static int bgmac_dma_alloc(struct bgmac *bgmac) + err = -ENOMEM; + goto err_dma_free; + } +- if (ring->dma_base & 0xC0000000) +- bgmac_warn(bgmac, "DMA address using 0xC0000000 bit(s), it may need translation trick\n"); + + ring->unaligned = bgmac_dma_unaligned(bgmac, ring, + BGMAC_DMA_RING_RX); +-- +1.8.4.5 + |