sfc: Define DMA address mask explicitly in terms of descriptor field width
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index 3cb7e61..47507b6 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -127,9 +127,6 @@
**************************************************************************
*/
-/* DMA address mask */
-#define FALCON_DMA_MASK DMA_BIT_MASK(46)
-
/* TX DMA length mask (13-bit) */
#define FALCON_TX_DMA_MASK (4096 - 1)
@@ -3148,7 +3145,7 @@
.buf_tbl_base = FR_AA_BUF_FULL_TBL_KER,
.evq_ptr_tbl_base = FR_AA_EVQ_PTR_TBL_KER,
.evq_rptr_tbl_base = FR_AA_EVQ_RPTR_KER,
- .max_dma_mask = FALCON_DMA_MASK,
+ .max_dma_mask = DMA_BIT_MASK(FSF_AZ_TX_KER_BUF_ADDR_WIDTH),
.tx_dma_mask = FALCON_TX_DMA_MASK,
.bug5391_mask = 0xf,
.rx_buffer_padding = 0x24,
@@ -3169,7 +3166,7 @@
.buf_tbl_base = FR_BZ_BUF_FULL_TBL,
.evq_ptr_tbl_base = FR_BZ_EVQ_PTR_TBL,
.evq_rptr_tbl_base = FR_BZ_EVQ_RPTR,
- .max_dma_mask = FALCON_DMA_MASK,
+ .max_dma_mask = DMA_BIT_MASK(FSF_AZ_TX_KER_BUF_ADDR_WIDTH),
.tx_dma_mask = FALCON_TX_DMA_MASK,
.bug5391_mask = 0,
.rx_buffer_padding = 0,