A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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driver:net:stmmac: Disable DMA store and forward mode if platform data force_thresh_dma_mode is set.

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Some synopsys ip implementation doesn't support DMA store and forward mode,
such as BF60x. So, set force_thresh_dma_mode to use DMA thresholds only.
Update document and devicetree as well.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sonic Zhang 2013-08-28 18:55:39 +08:00 • committed by David S. Miller
commit e2a240c7d3
5 changed files with 17 additions and 1 deletions
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1
include/linux/stmmac.h
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@ -108,6 +108,7 @@ struct plat_stmmacenet_data {
int bugged_jumbo;
int pmt;
int force_sf_dma_mode;
int force_thresh_dma_mode;
int riwt_off;
void (*fix_mac_speed)(void *priv, unsigned int speed);
void (*bus_setup)(void __iomem *ioaddr);