diff options
Diffstat (limited to 'drivers/net/ethernet/qualcomm')
| -rw-r--r-- | drivers/net/ethernet/qualcomm/emac/emac-mac.h | 3 | ||||
| -rw-r--r-- | drivers/net/ethernet/qualcomm/emac/emac.c | 7 |
2 files changed, 7 insertions, 3 deletions
diff --git a/drivers/net/ethernet/qualcomm/emac/emac-mac.h b/drivers/net/ethernet/qualcomm/emac/emac-mac.h index 5028fb4bec2b..4beedb8faa1e 100644 --- a/drivers/net/ethernet/qualcomm/emac/emac-mac.h +++ b/drivers/net/ethernet/qualcomm/emac/emac-mac.h @@ -114,8 +114,9 @@ struct emac_tpd { #define TPD_INSTC_SET(tpd, val) BITS_SET((tpd)->word[3], 17, 17, val) /* High-14bit Buffer Address, So, the 64b-bit address is * {DESC_CTRL_11_TX_DATA_HIADDR[17:0],(register) BUFFER_ADDR_H, BUFFER_ADDR_L} + * Extend TPD_BUFFER_ADDR_H to [31, 18], because we never enable timestamping. */ -#define TPD_BUFFER_ADDR_H_SET(tpd, val) BITS_SET((tpd)->word[3], 18, 30, val) +#define TPD_BUFFER_ADDR_H_SET(tpd, val) BITS_SET((tpd)->word[3], 18, 31, val) /* Format D. Word offset from the 1st byte of this packet to start to calculate * the custom checksum. */ 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; |