提交 18017723 编写于 作者: D David S. Miller

Merge branch 'nps_ent-coding-style'

Elad Kanfi says:

====================
Code style fixes

Fix all checkpatch warnings and errors, and reuse code
====================
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
...@@ -24,6 +24,14 @@ ...@@ -24,6 +24,14 @@
#define DRV_NAME "nps_mgt_enet" #define DRV_NAME "nps_mgt_enet"
static inline bool nps_enet_is_tx_pending(struct nps_enet_priv *priv)
{
u32 tx_ctrl_value = nps_enet_reg_get(priv, NPS_ENET_REG_TX_CTL);
u32 tx_ctrl_ct = (tx_ctrl_value & TX_CTL_CT_MASK) >> TX_CTL_CT_SHIFT;
return (!tx_ctrl_ct && priv->tx_skb);
}
static void nps_enet_clean_rx_fifo(struct net_device *ndev, u32 frame_len) static void nps_enet_clean_rx_fifo(struct net_device *ndev, u32 frame_len)
{ {
struct nps_enet_priv *priv = netdev_priv(ndev); struct nps_enet_priv *priv = netdev_priv(ndev);
...@@ -46,16 +54,17 @@ static void nps_enet_read_rx_fifo(struct net_device *ndev, ...@@ -46,16 +54,17 @@ static void nps_enet_read_rx_fifo(struct net_device *ndev,
if (dst_is_aligned) { if (dst_is_aligned) {
ioread32_rep(priv->regs_base + NPS_ENET_REG_RX_BUF, reg, len); ioread32_rep(priv->regs_base + NPS_ENET_REG_RX_BUF, reg, len);
reg += len; reg += len;
} } else { /* !dst_is_aligned */
else { /* !dst_is_aligned */
for (i = 0; i < len; i++, reg++) { for (i = 0; i < len; i++, reg++) {
u32 buf = nps_enet_reg_get(priv, NPS_ENET_REG_RX_BUF); u32 buf = nps_enet_reg_get(priv, NPS_ENET_REG_RX_BUF);
put_unaligned_be32(buf, reg); put_unaligned_be32(buf, reg);
} }
} }
/* copy last bytes (if any) */ /* copy last bytes (if any) */
if (last) { if (last) {
u32 buf; u32 buf;
ioread32_rep(priv->regs_base + NPS_ENET_REG_RX_BUF, &buf, 1); ioread32_rep(priv->regs_base + NPS_ENET_REG_RX_BUF, &buf, 1);
memcpy((u8 *)reg, &buf, last); memcpy((u8 *)reg, &buf, last);
} }
...@@ -140,12 +149,11 @@ static void nps_enet_tx_handler(struct net_device *ndev) ...@@ -140,12 +149,11 @@ static void nps_enet_tx_handler(struct net_device *ndev)
{ {
struct nps_enet_priv *priv = netdev_priv(ndev); struct nps_enet_priv *priv = netdev_priv(ndev);
u32 tx_ctrl_value = nps_enet_reg_get(priv, NPS_ENET_REG_TX_CTL); u32 tx_ctrl_value = nps_enet_reg_get(priv, NPS_ENET_REG_TX_CTL);
u32 tx_ctrl_ct = (tx_ctrl_value & TX_CTL_CT_MASK) >> TX_CTL_CT_SHIFT;
u32 tx_ctrl_et = (tx_ctrl_value & TX_CTL_ET_MASK) >> TX_CTL_ET_SHIFT; u32 tx_ctrl_et = (tx_ctrl_value & TX_CTL_ET_MASK) >> TX_CTL_ET_SHIFT;
u32 tx_ctrl_nt = (tx_ctrl_value & TX_CTL_NT_MASK) >> TX_CTL_NT_SHIFT; u32 tx_ctrl_nt = (tx_ctrl_value & TX_CTL_NT_MASK) >> TX_CTL_NT_SHIFT;
/* Check if we got TX */ /* Check if we got TX */
if (!priv->tx_skb || tx_ctrl_ct) if (!nps_enet_is_tx_pending(priv))
return; return;
/* Ack Tx ctrl register */ /* Ack Tx ctrl register */
...@@ -183,9 +191,6 @@ static int nps_enet_poll(struct napi_struct *napi, int budget) ...@@ -183,9 +191,6 @@ static int nps_enet_poll(struct napi_struct *napi, int budget)
work_done = nps_enet_rx_handler(ndev); work_done = nps_enet_rx_handler(ndev);
if (work_done < budget) { if (work_done < budget) {
u32 buf_int_enable_value = 0; u32 buf_int_enable_value = 0;
u32 tx_ctrl_value = nps_enet_reg_get(priv, NPS_ENET_REG_TX_CTL);
u32 tx_ctrl_ct =
(tx_ctrl_value & TX_CTL_CT_MASK) >> TX_CTL_CT_SHIFT;
napi_complete(napi); napi_complete(napi);
...@@ -204,8 +209,7 @@ static int nps_enet_poll(struct napi_struct *napi, int budget) ...@@ -204,8 +209,7 @@ static int nps_enet_poll(struct napi_struct *napi, int budget)
* the two code lines below will solve this situation by * the two code lines below will solve this situation by
* re-adding ourselves to the poll list. * re-adding ourselves to the poll list.
*/ */
if (nps_enet_is_tx_pending(priv)) {
if (priv->tx_skb && !tx_ctrl_ct) {
nps_enet_reg_set(priv, NPS_ENET_REG_BUF_INT_ENABLE, 0); nps_enet_reg_set(priv, NPS_ENET_REG_BUF_INT_ENABLE, 0);
napi_reschedule(napi); napi_reschedule(napi);
} }
...@@ -230,11 +234,9 @@ static irqreturn_t nps_enet_irq_handler(s32 irq, void *dev_instance) ...@@ -230,11 +234,9 @@ static irqreturn_t nps_enet_irq_handler(s32 irq, void *dev_instance)
struct net_device *ndev = dev_instance; struct net_device *ndev = dev_instance;
struct nps_enet_priv *priv = netdev_priv(ndev); struct nps_enet_priv *priv = netdev_priv(ndev);
u32 rx_ctrl_value = nps_enet_reg_get(priv, NPS_ENET_REG_RX_CTL); u32 rx_ctrl_value = nps_enet_reg_get(priv, NPS_ENET_REG_RX_CTL);
u32 tx_ctrl_value = nps_enet_reg_get(priv, NPS_ENET_REG_TX_CTL);
u32 tx_ctrl_ct = (tx_ctrl_value & TX_CTL_CT_MASK) >> TX_CTL_CT_SHIFT;
u32 rx_ctrl_cr = (rx_ctrl_value & RX_CTL_CR_MASK) >> RX_CTL_CR_SHIFT; u32 rx_ctrl_cr = (rx_ctrl_value & RX_CTL_CR_MASK) >> RX_CTL_CR_SHIFT;
if ((!tx_ctrl_ct && priv->tx_skb) || rx_ctrl_cr) if (nps_enet_is_tx_pending(priv) || rx_ctrl_cr)
if (likely(napi_schedule_prep(&priv->napi))) { if (likely(napi_schedule_prep(&priv->napi))) {
nps_enet_reg_set(priv, NPS_ENET_REG_BUF_INT_ENABLE, 0); nps_enet_reg_set(priv, NPS_ENET_REG_BUF_INT_ENABLE, 0);
__napi_schedule(&priv->napi); __napi_schedule(&priv->napi);
...@@ -459,7 +461,6 @@ static void nps_enet_set_rx_mode(struct net_device *ndev) ...@@ -459,7 +461,6 @@ static void nps_enet_set_rx_mode(struct net_device *ndev)
| NPS_ENET_ENABLE << CFG_2_DISK_DA_SHIFT; | NPS_ENET_ENABLE << CFG_2_DISK_DA_SHIFT;
ge_mac_cfg_2_value = (ge_mac_cfg_2_value & ~CFG_2_DISK_MC_MASK) ge_mac_cfg_2_value = (ge_mac_cfg_2_value & ~CFG_2_DISK_MC_MASK)
| NPS_ENET_ENABLE << CFG_2_DISK_MC_SHIFT; | NPS_ENET_ENABLE << CFG_2_DISK_MC_SHIFT;
} }
nps_enet_reg_set(priv, NPS_ENET_REG_GE_MAC_CFG_2, ge_mac_cfg_2_value); nps_enet_reg_set(priv, NPS_ENET_REG_GE_MAC_CFG_2, ge_mac_cfg_2_value);
......
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