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author | Iyappan Subramanian <isubramanian@apm.com> | 2016-10-31 16:00:26 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2016-11-01 12:04:52 -0400 |
commit | b5a4a3eb4ec7382780aa153224780b9ecdc76ceb (patch) | |
tree | a03561ccd7328eb7788a355c818c939bc9e5c8bb /drivers/net/ethernet/apm/xgene/xgene_enet_hw.c | |
parent | Merge tag 'linux-can-fixes-for-4.9-20161031' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can (diff) | |
download | linux-dev-b5a4a3eb4ec7382780aa153224780b9ecdc76ceb.tar.xz linux-dev-b5a4a3eb4ec7382780aa153224780b9ecdc76ceb.zip |
drivers: net: xgene: fix: Disable coalescing on v1 hardware
Since ethernet v1 hardware has a bug related to coalescing, disabling
this feature.
Signed-off-by: Iyappan Subramanian <isubramanian@apm.com>
Signed-off-by: Toan Le <toanle@apm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
-rw-r--r-- | drivers/net/ethernet/apm/xgene/xgene_enet_hw.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c index c481f104a8fe..5390ae89136c 100644 --- a/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c +++ b/drivers/net/ethernet/apm/xgene/xgene_enet_hw.c @@ -204,17 +204,6 @@ static u32 xgene_enet_ring_len(struct xgene_enet_desc_ring *ring) return num_msgs; } -static void xgene_enet_setup_coalescing(struct xgene_enet_desc_ring *ring) -{ - u32 data = 0x7777; - - xgene_enet_ring_wr32(ring, CSR_PBM_COAL, 0x8e); - xgene_enet_ring_wr32(ring, CSR_PBM_CTICK1, data); - xgene_enet_ring_wr32(ring, CSR_PBM_CTICK2, data << 16); - xgene_enet_ring_wr32(ring, CSR_THRESHOLD0_SET1, 0x40); - xgene_enet_ring_wr32(ring, CSR_THRESHOLD1_SET1, 0x80); -} - void xgene_enet_parse_error(struct xgene_enet_desc_ring *ring, struct xgene_enet_pdata *pdata, enum xgene_enet_err_code status) @@ -929,5 +918,4 @@ struct xgene_ring_ops xgene_ring1_ops = { .clear = xgene_enet_clear_ring, .wr_cmd = xgene_enet_wr_cmd, .len = xgene_enet_ring_len, - .coalesce = xgene_enet_setup_coalescing, }; |