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| author | Rafał Miłecki <zajec5@gmail.com> | 2015-03-21 11:45:50 +0000 |
|---|---|---|
| committer | Rafał Miłecki <zajec5@gmail.com> | 2015-03-21 11:45:50 +0000 |
| commit | def8e2e47805cbf76486c2761db1192d9c91773b (patch) | |
| tree | f66e8a57dbd8f602b391048e6fc6d54b64075e20 /target/linux/generic/patches-3.18/073-bgmac-Clean-warning-messages.patch | |
| parent | 74d43a8381d43054b7d45bedf023637a5993723a (diff) | |
| download | upstream-def8e2e47805cbf76486c2761db1192d9c91773b.tar.gz upstream-def8e2e47805cbf76486c2761db1192d9c91773b.tar.bz2 upstream-def8e2e47805cbf76486c2761db1192d9c91773b.zip | |
kernel: backport bgmac patches
This allows dropping some hacky bcm53xx bgmac patch forcing link state.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@44917 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/patches-3.18/073-bgmac-Clean-warning-messages.patch')
| -rw-r--r-- | target/linux/generic/patches-3.18/073-bgmac-Clean-warning-messages.patch | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/target/linux/generic/patches-3.18/073-bgmac-Clean-warning-messages.patch b/target/linux/generic/patches-3.18/073-bgmac-Clean-warning-messages.patch new file mode 100644 index 0000000000..fd3e11d672 --- /dev/null +++ b/target/linux/generic/patches-3.18/073-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 + |