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Date: Thu, 24 Apr 2014 13:50:09 +0200
From: Tobias Klauser <tklauser@...tanz.ch>
To: unlisted-recipients:; (no To-header on input)
Cc: netdev@...r.kernel.org, nios2-dev@...ts.rocketboards.org
Subject: [PATCH] Altera TSE: Remove unnecessary cast of void pointers
No need to cast void pointers.
Signed-off-by: Tobias Klauser <tklauser@...tanz.ch>
---
drivers/net/ethernet/altera/altera_msgdma.c | 15 ++++-------
drivers/net/ethernet/altera/altera_sgdma.c | 37 ++++++++++++---------------
2 files changed, 22 insertions(+), 30 deletions(-)
diff --git a/drivers/net/ethernet/altera/altera_msgdma.c b/drivers/net/ethernet/altera/altera_msgdma.c
index 3df1866..0e38a03 100644
--- a/drivers/net/ethernet/altera/altera_msgdma.c
+++ b/drivers/net/ethernet/altera/altera_msgdma.c
@@ -32,10 +32,8 @@ void msgdma_uninitialize(struct altera_tse_private *priv)
void msgdma_reset(struct altera_tse_private *priv)
{
int counter;
- struct msgdma_csr *txcsr =
- (struct msgdma_csr *)priv->tx_dma_csr;
- struct msgdma_csr *rxcsr =
- (struct msgdma_csr *)priv->rx_dma_csr;
+ struct msgdma_csr *txcsr = priv->tx_dma_csr;
+ struct msgdma_csr *rxcsr = priv->rx_dma_csr;
/* Reset Rx mSGDMA */
iowrite32(MSGDMA_CSR_STAT_MASK, &rxcsr->status);
@@ -133,8 +131,7 @@ u32 msgdma_tx_completions(struct altera_tse_private *priv)
u32 ready = 0;
u32 inuse;
u32 status;
- struct msgdma_csr *txcsr =
- (struct msgdma_csr *)priv->tx_dma_csr;
+ struct msgdma_csr *txcsr = priv->tx_dma_csr;
/* Get number of sent descriptors */
inuse = ioread32(&txcsr->rw_fill_level) & 0xffff;
@@ -186,10 +183,8 @@ u32 msgdma_rx_status(struct altera_tse_private *priv)
u32 rxstatus = 0;
u32 pktlength;
u32 pktstatus;
- struct msgdma_csr *rxcsr =
- (struct msgdma_csr *)priv->rx_dma_csr;
- struct msgdma_response *rxresp =
- (struct msgdma_response *)priv->rx_dma_resp;
+ struct msgdma_csr *rxcsr = priv->rx_dma_csr;
+ struct msgdma_response *rxresp = priv->rx_dma_resp;
if (ioread32(&rxcsr->resp_fill_level) & 0xffff) {
pktlength = ioread32(&rxresp->bytes_transferred);
diff --git a/drivers/net/ethernet/altera/altera_sgdma.c b/drivers/net/ethernet/altera/altera_sgdma.c
index 0ee9663..519f0f0 100644
--- a/drivers/net/ethernet/altera/altera_sgdma.c
+++ b/drivers/net/ethernet/altera/altera_sgdma.c
@@ -112,12 +112,12 @@ void sgdma_uninitialize(struct altera_tse_private *priv)
*/
void sgdma_reset(struct altera_tse_private *priv)
{
- u32 *ptxdescripmem = (u32 *)priv->tx_dma_desc;
+ u32 *ptxdescripmem = priv->tx_dma_desc;
u32 txdescriplen = priv->txdescmem;
- u32 *prxdescripmem = (u32 *)priv->rx_dma_desc;
+ u32 *prxdescripmem = priv->rx_dma_desc;
u32 rxdescriplen = priv->rxdescmem;
- struct sgdma_csr *ptxsgdma = (struct sgdma_csr *)priv->tx_dma_csr;
- struct sgdma_csr *prxsgdma = (struct sgdma_csr *)priv->rx_dma_csr;
+ struct sgdma_csr *ptxsgdma = priv->tx_dma_csr;
+ struct sgdma_csr *prxsgdma = priv->rx_dma_csr;
/* Initialize descriptor memory to 0 */
memset(ptxdescripmem, 0, txdescriplen);
@@ -132,14 +132,14 @@ void sgdma_reset(struct altera_tse_private *priv)
void sgdma_enable_rxirq(struct altera_tse_private *priv)
{
- struct sgdma_csr *csr = (struct sgdma_csr *)priv->rx_dma_csr;
+ struct sgdma_csr *csr = priv->rx_dma_csr;
priv->rxctrlreg |= SGDMA_CTRLREG_INTEN;
tse_set_bit(&csr->control, SGDMA_CTRLREG_INTEN);
}
void sgdma_enable_txirq(struct altera_tse_private *priv)
{
- struct sgdma_csr *csr = (struct sgdma_csr *)priv->tx_dma_csr;
+ struct sgdma_csr *csr = priv->tx_dma_csr;
priv->txctrlreg |= SGDMA_CTRLREG_INTEN;
tse_set_bit(&csr->control, SGDMA_CTRLREG_INTEN);
}
@@ -156,13 +156,13 @@ void sgdma_disable_txirq(struct altera_tse_private *priv)
void sgdma_clear_rxirq(struct altera_tse_private *priv)
{
- struct sgdma_csr *csr = (struct sgdma_csr *)priv->rx_dma_csr;
+ struct sgdma_csr *csr = priv->rx_dma_csr;
tse_set_bit(&csr->control, SGDMA_CTRLREG_CLRINT);
}
void sgdma_clear_txirq(struct altera_tse_private *priv)
{
- struct sgdma_csr *csr = (struct sgdma_csr *)priv->tx_dma_csr;
+ struct sgdma_csr *csr = priv->tx_dma_csr;
tse_set_bit(&csr->control, SGDMA_CTRLREG_CLRINT);
}
@@ -174,8 +174,7 @@ void sgdma_clear_txirq(struct altera_tse_private *priv)
int sgdma_tx_buffer(struct altera_tse_private *priv, struct tse_buffer *buffer)
{
int pktstx = 0;
- struct sgdma_descrip *descbase =
- (struct sgdma_descrip *)priv->tx_dma_desc;
+ struct sgdma_descrip *descbase = priv->tx_dma_desc;
struct sgdma_descrip *cdesc = &descbase[0];
struct sgdma_descrip *ndesc = &descbase[1];
@@ -208,7 +207,7 @@ int sgdma_tx_buffer(struct altera_tse_private *priv, struct tse_buffer *buffer)
u32 sgdma_tx_completions(struct altera_tse_private *priv)
{
u32 ready = 0;
- struct sgdma_descrip *desc = (struct sgdma_descrip *)priv->tx_dma_desc;
+ struct sgdma_descrip *desc = priv->tx_dma_desc;
if (!sgdma_txbusy(priv) &&
((desc->control & SGDMA_CONTROL_HW_OWNED) == 0) &&
@@ -231,8 +230,8 @@ int sgdma_add_rx_desc(struct altera_tse_private *priv,
*/
u32 sgdma_rx_status(struct altera_tse_private *priv)
{
- struct sgdma_csr *csr = (struct sgdma_csr *)priv->rx_dma_csr;
- struct sgdma_descrip *base = (struct sgdma_descrip *)priv->rx_dma_desc;
+ struct sgdma_csr *csr = priv->rx_dma_csr;
+ struct sgdma_descrip *base = priv->rx_dma_desc;
struct sgdma_descrip *desc = NULL;
int pktsrx;
unsigned int rxstatus = 0;
@@ -312,10 +311,8 @@ static void sgdma_descrip(struct sgdma_descrip *desc,
*/
static int sgdma_async_read(struct altera_tse_private *priv)
{
- struct sgdma_csr *csr = (struct sgdma_csr *)priv->rx_dma_csr;
- struct sgdma_descrip *descbase =
- (struct sgdma_descrip *)priv->rx_dma_desc;
-
+ struct sgdma_csr *csr = priv->rx_dma_csr;
+ struct sgdma_descrip *descbase = priv->rx_dma_desc;
struct sgdma_descrip *cdesc = &descbase[0];
struct sgdma_descrip *ndesc = &descbase[1];
@@ -364,7 +361,7 @@ static int sgdma_async_read(struct altera_tse_private *priv)
static int sgdma_async_write(struct altera_tse_private *priv,
struct sgdma_descrip *desc)
{
- struct sgdma_csr *csr = (struct sgdma_csr *)priv->tx_dma_csr;
+ struct sgdma_csr *csr = priv->tx_dma_csr;
if (sgdma_txbusy(priv))
return 0;
@@ -485,7 +482,7 @@ queue_rx_peekhead(struct altera_tse_private *priv)
*/
static int sgdma_rxbusy(struct altera_tse_private *priv)
{
- struct sgdma_csr *csr = (struct sgdma_csr *)priv->rx_dma_csr;
+ struct sgdma_csr *csr = priv->rx_dma_csr;
return ioread32(&csr->status) & SGDMA_STSREG_BUSY;
}
@@ -495,7 +492,7 @@ static int sgdma_rxbusy(struct altera_tse_private *priv)
static int sgdma_txbusy(struct altera_tse_private *priv)
{
int delay = 0;
- struct sgdma_csr *csr = (struct sgdma_csr *)priv->tx_dma_csr;
+ struct sgdma_csr *csr = priv->tx_dma_csr;
/* if DMA is busy, wait for current transactino to finish */
while ((ioread32(&csr->status) & SGDMA_STSREG_BUSY) && (delay++ < 100))
--
1.7.9.5
--
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