diff options
Diffstat (limited to 'drivers/net/stmmac/dwmac_lib.c')
| -rw-r--r-- | drivers/net/stmmac/dwmac_lib.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/stmmac/dwmac_lib.c b/drivers/net/stmmac/dwmac_lib.c index d4adb1eaa447..0a504adb7eb3 100644 --- a/drivers/net/stmmac/dwmac_lib.c +++ b/drivers/net/stmmac/dwmac_lib.c @@ -227,6 +227,13 @@ int dwmac_dma_interrupt(unsigned long ioaddr, return ret; } +void dwmac_dma_flush_tx_fifo(unsigned long ioaddr) +{ + u32 csr6 = readl(ioaddr + DMA_CONTROL); + writel((csr6 | DMA_CONTROL_FTF), ioaddr + DMA_CONTROL); + + do {} while ((readl(ioaddr + DMA_CONTROL) & DMA_CONTROL_FTF)); +} void stmmac_set_mac_addr(unsigned long ioaddr, u8 addr[6], unsigned int high, unsigned int low) |