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net: eth: altera: Remove sgdmadesclen member from altera_tse_private

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altera_tse_private->sgdmadesclen is always assigned assigned the same
value and never changes during runtime.  Remove the struct member and
use a new define for sizeof(struct sgdma_descrip) instead.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tobias Klauser 2015-08-10 12:26:32 +02:00 committed by David S. Miller
parent adc6310ca4
commit c3ffe0ca4a
3 changed files with 4 additions and 6 deletions
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8
drivers/net/ethernet/altera/altera_sgdma.c
View File

@ -71,8 +71,6 @@ int sgdma_initialize(struct altera_tse_private *priv)
SGDMA_CTRLREG_INTEN |
SGDMA_CTRLREG_ILASTD;
priv->sgdmadesclen = sizeof(struct sgdma_descrip);
INIT_LIST_HEAD(&priv->txlisthd);
INIT_LIST_HEAD(&priv->rxlisthd);
@ -254,7 +252,7 @@ u32 sgdma_rx_status(struct altera_tse_private *priv)
unsigned int pktstatus = 0;
dma_sync_single_for_cpu(priv->device,
priv->rxdescphys,
priv->sgdmadesclen,
SGDMA_DESC_LEN,
DMA_FROM_DEVICE);
pktlength = csrrd16(desc, sgdma_descroffs(bytes_xferred));
@ -374,7 +372,7 @@ static int sgdma_async_read(struct altera_tse_private *priv)
dma_sync_single_for_device(priv->device,
priv->rxdescphys,
priv->sgdmadesclen,
SGDMA_DESC_LEN,
DMA_TO_DEVICE);
csrwr32(lower_32_bits(sgdma_rxphysaddr(priv, cdesc)),
@ -402,7 +400,7 @@ static int sgdma_async_write(struct altera_tse_private *priv,
csrwr32(0x1f, priv->tx_dma_csr, sgdma_csroffs(status));
dma_sync_single_for_device(priv->device, priv->txdescphys,
priv->sgdmadesclen, DMA_TO_DEVICE);
SGDMA_DESC_LEN, DMA_TO_DEVICE);
csrwr32(lower_32_bits(sgdma_txphysaddr(priv, desc)),
priv->tx_dma_csr,

1
drivers/net/ethernet/altera/altera_sgdmahw.h
View File

@ -50,6 +50,7 @@ struct sgdma_descrip {
u8 control;
} __packed;
#define SGDMA_DESC_LEN sizeof(struct sgdma_descrip)
#define SGDMA_STATUS_ERR BIT(0)
#define SGDMA_STATUS_LENGTH_ERR BIT(1)

1
drivers/net/ethernet/altera/altera_tse.h
View File

@ -458,7 +458,6 @@ struct altera_tse_private {
u32 rxctrlreg;
dma_addr_t rxdescphys;
dma_addr_t txdescphys;
size_t sgdmadesclen;
struct list_head txlisthd;
struct list_head rxlisthd;