diff options
Diffstat (limited to 'drivers/net/ethernet/qualcomm/emac/emac.c')
| -rw-r--r-- | drivers/net/ethernet/qualcomm/emac/emac.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/net/ethernet/qualcomm/emac/emac.c b/drivers/net/ethernet/qualcomm/emac/emac.c index 38c924bdd32e..13235baf4766 100644 --- a/drivers/net/ethernet/qualcomm/emac/emac.c +++ b/drivers/net/ethernet/qualcomm/emac/emac.c @@ -615,8 +615,11 @@ static int emac_probe(struct platform_device *pdev) u32 reg; int ret; - /* The TPD buffer address is limited to 45 bits. */ - ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(45)); + /* The TPD buffer address is limited to: + * 1. PTP: 45bits. (Driver doesn't support yet.) + * 2. NON-PTP: 46bits. + */ + ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(46)); if (ret) { dev_err(&pdev->dev, "could not set DMA mask\n"); return ret; |