driver:net:stmmac: Disable DMA store and forward mode if platform data force_thresh_d...

[karo-tx-linux.git] / Documentation / networking / stmmac.txt

diff --git a/Documentation/networking/stmmac.txt b/Documentation/networking/stmmac.txt
index 654d2e55c8cb126f5a25b21af2ddcb677479ffb9..457b8bbafb08061a3bbe523e0875e84c8289496a 100644 (file)
--- a/Documentation/networking/stmmac.txt
+++ b/Documentation/networking/stmmac.txt
@@ -123,6 +123,7 @@ 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);
@@ -159,6 +160,8 @@ Where:
  o pmt: core has the embedded power module (optional).
  o force_sf_dma_mode: force DMA to use the Store and Forward mode
                     instead of the Threshold.
+ o force_thresh_dma_mode: force DMA to use the Shreshold mode other than
+                    the Store and Forward mode.
  o riwt_off: force to disable the RX watchdog feature and switch to NAPI mode.
  o fix_mac_speed: this callback is used for modifying some syscfg registers
                 (on ST SoCs) according to the link speed negotiated by the