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Date: Tue, 23 Sep 2014 14:07:17 -0700
From: Joe Perches <joe@...ches.com>
To: Mark Einon <mark.einon@...il.com>
Cc: gregkh@...uxfoundation.org, davem@...emloft.net, angus@...bson.me,
tklauser@...tanz.ch, linux-kernel@...r.kernel.org,
netdev@...r.kernel.org, devel@...verdev.osuosl.org
Subject: Re: [PATCH v2] et131x: Promote staging et131x driver to drivers/net
On Tue, 2014-09-23 at 21:05 +0100, Mark Einon wrote:
> This patch moves the et131x gigabit ethernet driver from drivers/staging
> to drivers/net/ethernet/agere.
checkpatch type modification you might consider:
Reduce logging line count by consolidating repeated dev_warn
Use ether_addr_copy
Line wrapping for 80 columns
Remove unnecessary parentheses
Remove unnecessary OOM message
---
drivers/staging/et131x/et131x.c | 51 ++++++++++++++++-------------------------
1 file changed, 20 insertions(+), 31 deletions(-)
diff --git a/drivers/staging/et131x/et131x.c b/drivers/staging/et131x/et131x.c
index eefa9f1..3aaedc9 100644
--- a/drivers/staging/et131x/et131x.c
+++ b/drivers/staging/et131x/et131x.c
@@ -1294,9 +1294,8 @@ static int et131x_phy_mii_read(struct et131x_adapter *adapter, u8 addr,
/* If we hit the max delay, we could not read the register */
if (delay == 50) {
dev_warn(&adapter->pdev->dev,
- "reg 0x%08x could not be read\n", reg);
- dev_warn(&adapter->pdev->dev, "status is 0x%08x\n",
- mii_indicator);
+ "reg 0x%08x could not be read - status is 0x%08x\n",
+ reg, mii_indicator);
status = -EIO;
goto out;
@@ -1371,11 +1370,8 @@ static int et131x_mii_write(struct et131x_adapter *adapter, u8 addr, u8 reg,
u16 tmp;
dev_warn(&adapter->pdev->dev,
- "reg 0x%08x could not be written", reg);
- dev_warn(&adapter->pdev->dev, "status is 0x%08x\n",
- mii_indicator);
- dev_warn(&adapter->pdev->dev, "command is 0x%08x\n",
- readl(&mac->mii_mgmt_cmd));
+ "reg 0x%08x could not be written - status is 0x%08x - command is 0x%08x\n",
+ reg, mii_indicator, readl(&mac->mii_mgmt_cmd));
et131x_mii_read(adapter, reg, &tmp);
@@ -2444,10 +2440,8 @@ static struct rfd *nic_rx_pkts(struct et131x_adapter *adapter)
rfd->len = len;
skb = dev_alloc_skb(rfd->len + 2);
- if (!skb) {
- dev_err(&adapter->pdev->dev, "Couldn't alloc an SKB for Rx\n");
+ if (!skb)
return NULL;
- }
adapter->netdev->stats.rx_bytes += rfd->len;
@@ -2661,7 +2655,7 @@ static int nic_send_packet(struct et131x_adapter *adapter, struct tcb *tcb)
desc[frag].len_vlan = skb_headlen(skb) / 2;
dma_addr = dma_map_single(&adapter->pdev->dev,
skb->data,
- (skb_headlen(skb) / 2),
+ skb_headlen(skb) / 2,
DMA_TO_DEVICE);
desc[frag].addr_lo = lower_32_bits(dma_addr);
desc[frag].addr_hi = upper_32_bits(dma_addr);
@@ -2670,8 +2664,8 @@ static int nic_send_packet(struct et131x_adapter *adapter, struct tcb *tcb)
desc[frag].len_vlan = skb_headlen(skb) / 2;
dma_addr = dma_map_single(&adapter->pdev->dev,
skb->data +
- (skb_headlen(skb) / 2),
- (skb_headlen(skb) / 2),
+ skb_headlen(skb) / 2,
+ skb_headlen(skb) / 2,
DMA_TO_DEVICE);
desc[frag].addr_lo = lower_32_bits(dma_addr);
desc[frag].addr_hi = upper_32_bits(dma_addr);
@@ -3212,15 +3206,13 @@ static void et131x_hwaddr_init(struct et131x_adapter *adapter)
* working with so we need to copy the current
* address into the permanent address
*/
- memcpy(adapter->rom_addr,
- adapter->addr, ETH_ALEN);
+ ether_addr_copy(adapter->rom_addr, adapter->addr);
} else {
/* We do not have an override address, so set the
* current address to the permanent address and add
* it to the device
*/
- memcpy(adapter->addr,
- adapter->rom_addr, ETH_ALEN);
+ ether_addr_copy(adapter->addr, adapter->rom_addr);
}
}
@@ -3415,7 +3407,8 @@ static void et131x_adjust_link(struct net_device *netdev)
et131x_mii_read(adapter, PHY_MPHY_CONTROL_REG,
®ister18);
et131x_mii_write(adapter, phydev->addr,
- PHY_MPHY_CONTROL_REG, register18 | 0x4);
+ PHY_MPHY_CONTROL_REG,
+ register18 | 0x4);
et131x_mii_write(adapter, phydev->addr, PHY_INDEX_REG,
register18 | 0x8402);
et131x_mii_write(adapter, phydev->addr, PHY_DATA_REG,
@@ -3448,7 +3441,8 @@ static void et131x_adjust_link(struct net_device *netdev)
et131x_mii_read(adapter, PHY_MPHY_CONTROL_REG,
®ister18);
et131x_mii_write(adapter, phydev->addr,
- PHY_MPHY_CONTROL_REG, register18 | 0x4);
+ PHY_MPHY_CONTROL_REG,
+ register18 | 0x4);
et131x_mii_write(adapter, phydev->addr,
PHY_INDEX_REG, register18 | 0x8402);
et131x_mii_write(adapter, phydev->addr,
@@ -3778,8 +3772,7 @@ static irqreturn_t et131x_isr(int irq, void *dev_id)
*/
/* TRAP();*/
- dev_warn(&adapter->pdev->dev,
- "RxDMA_ERR interrupt, error %x\n",
+ dev_warn(&adapter->pdev->dev, "RxDMA_ERR interrupt, error %x\n",
readl(&iomem->txmac.tx_test));
}
@@ -3805,8 +3798,7 @@ static irqreturn_t et131x_isr(int irq, void *dev_id)
* occur. In a nutshell, the whole Tx path will have to be reset
* and re-configured afterwards.
*/
- dev_warn(&adapter->pdev->dev,
- "TXMAC interrupt, error 0x%08x\n",
+ dev_warn(&adapter->pdev->dev, "TXMAC interrupt, error 0x%08x\n",
err);
/* If we are debugging, we want to see this error, otherwise we
@@ -3823,11 +3815,8 @@ static irqreturn_t et131x_isr(int irq, void *dev_id)
/* MP_SET_FLAG( adapter, FMP_ADAPTER_HARDWARE_ERROR); */
dev_warn(&adapter->pdev->dev,
- "RXMAC interrupt, error 0x%08x. Requesting reset\n",
+ "RXMAC interrupt, error 0x%08x - requesting reset - Enable 0x%08x, Diag 0x%08x\n",
readl(&iomem->rxmac.err_reg));
-
- dev_warn(&adapter->pdev->dev,
- "Enable 0x%08x, Diag 0x%08x\n",
readl(&iomem->rxmac.ctrl),
readl(&iomem->rxmac.rxq_diag));
@@ -4081,7 +4070,7 @@ static void et131x_multicast(struct net_device *netdev)
netdev_for_each_mc_addr(ha, netdev) {
if (i == NIC_MAX_MCAST_LIST)
break;
- memcpy(adapter->multicast_list[i++], ha->addr, ETH_ALEN);
+ ether_addr_copy(adapter->multicast_list[i++], ha->addr);
}
adapter->multicast_addr_count = i;
@@ -4211,7 +4200,7 @@ static int et131x_change_mtu(struct net_device *netdev, int new_mtu)
et131x_init_send(adapter);
et131x_hwaddr_init(adapter);
- memcpy(netdev->dev_addr, adapter->addr, ETH_ALEN);
+ ether_addr_copy(netdev->dev_addr, adapter->addr);
/* Init the device with the new settings */
et131x_adapter_setup(adapter);
@@ -4329,7 +4318,7 @@ static int et131x_pci_setup(struct pci_dev *pdev,
netif_napi_add(netdev, &adapter->napi, et131x_poll, 64);
/* Copy address into the net_device struct */
- memcpy(netdev->dev_addr, adapter->addr, ETH_ALEN);
+ ether_addr_copy(netdev->dev_addr, adapter->addr);
rc = -ENOMEM;
--
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