diff options
Diffstat (limited to 'drivers/net/ethernet/samsung/sxgbe/sxgbe_dma.c')
-rw-r--r-- | drivers/net/ethernet/samsung/sxgbe/sxgbe_dma.c | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/drivers/net/ethernet/samsung/sxgbe/sxgbe_dma.c b/drivers/net/ethernet/samsung/sxgbe/sxgbe_dma.c index 4d989ff6c978..bb9b5b8afc5f 100644 --- a/drivers/net/ethernet/samsung/sxgbe/sxgbe_dma.c +++ b/drivers/net/ethernet/samsung/sxgbe/sxgbe_dma.c | |||
@@ -23,21 +23,8 @@ | |||
23 | /* DMA core initialization */ | 23 | /* DMA core initialization */ |
24 | static int sxgbe_dma_init(void __iomem *ioaddr, int fix_burst, int burst_map) | 24 | static int sxgbe_dma_init(void __iomem *ioaddr, int fix_burst, int burst_map) |
25 | { | 25 | { |
26 | int retry_count = 10; | ||
27 | u32 reg_val; | 26 | u32 reg_val; |
28 | 27 | ||
29 | /* reset the DMA */ | ||
30 | writel(SXGBE_DMA_SOFT_RESET, ioaddr + SXGBE_DMA_MODE_REG); | ||
31 | while (retry_count--) { | ||
32 | if (!(readl(ioaddr + SXGBE_DMA_MODE_REG) & | ||
33 | SXGBE_DMA_SOFT_RESET)) | ||
34 | break; | ||
35 | mdelay(10); | ||
36 | } | ||
37 | |||
38 | if (retry_count < 0) | ||
39 | return -EBUSY; | ||
40 | |||
41 | reg_val = readl(ioaddr + SXGBE_DMA_SYSBUS_MODE_REG); | 28 | reg_val = readl(ioaddr + SXGBE_DMA_SYSBUS_MODE_REG); |
42 | 29 | ||
43 | /* if fix_burst = 0, Set UNDEF = 1 of DMA_Sys_Mode Register. | 30 | /* if fix_burst = 0, Set UNDEF = 1 of DMA_Sys_Mode Register. |