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path: root/drivers/net/ethernet/qualcomm/emac/emac.c
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Diffstat (limited to 'drivers/net/ethernet/qualcomm/emac/emac.c')
-rw-r--r--drivers/net/ethernet/qualcomm/emac/emac.c7
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;