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path: root/drivers/net/usb/smsc95xx.c
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Diffstat (limited to 'drivers/net/usb/smsc95xx.c')
-rw-r--r--drivers/net/usb/smsc95xx.c512
1 files changed, 391 insertions, 121 deletions
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index b9eb490afa45..f7e1e189fa4a 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -55,15 +55,6 @@
#define FEATURE_PHY_NLP_CROSSOVER (0x02)
#define FEATURE_AUTOSUSPEND (0x04)
-#define check_warn(ret, fmt, args...) \
- ({ if (ret < 0) netdev_warn(dev->net, fmt, ##args); })
-
-#define check_warn_return(ret, fmt, args...) \
- ({ if (ret < 0) { netdev_warn(dev->net, fmt, ##args); return ret; } })
-
-#define check_warn_goto_done(ret, fmt, args...) \
- ({ if (ret < 0) { netdev_warn(dev->net, fmt, ##args); goto done; } })
-
struct smsc95xx_priv {
u32 mac_cr;
u32 hash_hi;
@@ -166,7 +157,11 @@ static int __must_check __smsc95xx_phy_wait_not_busy(struct usbnet *dev,
do {
ret = __smsc95xx_read_reg(dev, MII_ADDR, &val, in_pm);
- check_warn_return(ret, "Error reading MII_ACCESS\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading MII_ACCESS\n");
+ return ret;
+ }
+
if (!(val & MII_BUSY_))
return 0;
} while (!time_after(jiffies, start_time + HZ));
@@ -185,20 +180,32 @@ static int __smsc95xx_mdio_read(struct net_device *netdev, int phy_id, int idx,
/* confirm MII not busy */
ret = __smsc95xx_phy_wait_not_busy(dev, in_pm);
- check_warn_goto_done(ret, "MII is busy in smsc95xx_mdio_read\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "MII is busy in smsc95xx_mdio_read\n");
+ goto done;
+ }
/* set the address, index & direction (read from PHY) */
phy_id &= dev->mii.phy_id_mask;
idx &= dev->mii.reg_num_mask;
addr = (phy_id << 11) | (idx << 6) | MII_READ_ | MII_BUSY_;
ret = __smsc95xx_write_reg(dev, MII_ADDR, addr, in_pm);
- check_warn_goto_done(ret, "Error writing MII_ADDR\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing MII_ADDR\n");
+ goto done;
+ }
ret = __smsc95xx_phy_wait_not_busy(dev, in_pm);
- check_warn_goto_done(ret, "Timed out reading MII reg %02X\n", idx);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Timed out reading MII reg %02X\n", idx);
+ goto done;
+ }
ret = __smsc95xx_read_reg(dev, MII_DATA, &val, in_pm);
- check_warn_goto_done(ret, "Error reading MII_DATA\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading MII_DATA\n");
+ goto done;
+ }
ret = (u16)(val & 0xFFFF);
@@ -218,21 +225,33 @@ static void __smsc95xx_mdio_write(struct net_device *netdev, int phy_id,
/* confirm MII not busy */
ret = __smsc95xx_phy_wait_not_busy(dev, in_pm);
- check_warn_goto_done(ret, "MII is busy in smsc95xx_mdio_write\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "MII is busy in smsc95xx_mdio_write\n");
+ goto done;
+ }
val = regval;
ret = __smsc95xx_write_reg(dev, MII_DATA, val, in_pm);
- check_warn_goto_done(ret, "Error writing MII_DATA\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing MII_DATA\n");
+ goto done;
+ }
/* set the address, index & direction (write to PHY) */
phy_id &= dev->mii.phy_id_mask;
idx &= dev->mii.reg_num_mask;
addr = (phy_id << 11) | (idx << 6) | MII_WRITE_ | MII_BUSY_;
ret = __smsc95xx_write_reg(dev, MII_ADDR, addr, in_pm);
- check_warn_goto_done(ret, "Error writing MII_ADDR\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing MII_ADDR\n");
+ goto done;
+ }
ret = __smsc95xx_phy_wait_not_busy(dev, in_pm);
- check_warn_goto_done(ret, "Timed out writing MII reg %02X\n", idx);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Timed out writing MII reg %02X\n", idx);
+ goto done;
+ }
done:
mutex_unlock(&dev->phy_mutex);
@@ -269,7 +288,11 @@ static int __must_check smsc95xx_wait_eeprom(struct usbnet *dev)
do {
ret = smsc95xx_read_reg(dev, E2P_CMD, &val);
- check_warn_return(ret, "Error reading E2P_CMD\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading E2P_CMD\n");
+ return ret;
+ }
+
if (!(val & E2P_CMD_BUSY_) || (val & E2P_CMD_TIMEOUT_))
break;
udelay(40);
@@ -291,7 +314,10 @@ static int __must_check smsc95xx_eeprom_confirm_not_busy(struct usbnet *dev)
do {
ret = smsc95xx_read_reg(dev, E2P_CMD, &val);
- check_warn_return(ret, "Error reading E2P_CMD\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading E2P_CMD\n");
+ return ret;
+ }
if (!(val & E2P_CMD_BUSY_))
return 0;
@@ -319,14 +345,20 @@ static int smsc95xx_read_eeprom(struct usbnet *dev, u32 offset, u32 length,
for (i = 0; i < length; i++) {
val = E2P_CMD_BUSY_ | E2P_CMD_READ_ | (offset & E2P_CMD_ADDR_);
ret = smsc95xx_write_reg(dev, E2P_CMD, val);
- check_warn_return(ret, "Error writing E2P_CMD\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing E2P_CMD\n");
+ return ret;
+ }
ret = smsc95xx_wait_eeprom(dev);
if (ret < 0)
return ret;
ret = smsc95xx_read_reg(dev, E2P_DATA, &val);
- check_warn_return(ret, "Error reading E2P_DATA\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading E2P_DATA\n");
+ return ret;
+ }
data[i] = val & 0xFF;
offset++;
@@ -351,7 +383,10 @@ static int smsc95xx_write_eeprom(struct usbnet *dev, u32 offset, u32 length,
/* Issue write/erase enable command */
val = E2P_CMD_BUSY_ | E2P_CMD_EWEN_;
ret = smsc95xx_write_reg(dev, E2P_CMD, val);
- check_warn_return(ret, "Error writing E2P_DATA\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing E2P_DATA\n");
+ return ret;
+ }
ret = smsc95xx_wait_eeprom(dev);
if (ret < 0)
@@ -362,12 +397,18 @@ static int smsc95xx_write_eeprom(struct usbnet *dev, u32 offset, u32 length,
/* Fill data register */
val = data[i];
ret = smsc95xx_write_reg(dev, E2P_DATA, val);
- check_warn_return(ret, "Error writing E2P_DATA\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing E2P_DATA\n");
+ return ret;
+ }
/* Send "write" command */
val = E2P_CMD_BUSY_ | E2P_CMD_WRITE_ | (offset & E2P_CMD_ADDR_);
ret = smsc95xx_write_reg(dev, E2P_CMD, val);
- check_warn_return(ret, "Error writing E2P_CMD\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing E2P_CMD\n");
+ return ret;
+ }
ret = smsc95xx_wait_eeprom(dev);
if (ret < 0)
@@ -450,13 +491,16 @@ static void smsc95xx_set_multicast(struct net_device *netdev)
/* Initiate async writes, as we can't wait for completion here */
ret = smsc95xx_write_reg_async(dev, HASHH, &pdata->hash_hi);
- check_warn(ret, "failed to initiate async write to HASHH\n");
+ if (ret < 0)
+ netdev_warn(dev->net, "failed to initiate async write to HASHH\n");
ret = smsc95xx_write_reg_async(dev, HASHL, &pdata->hash_lo);
- check_warn(ret, "failed to initiate async write to HASHL\n");
+ if (ret < 0)
+ netdev_warn(dev->net, "failed to initiate async write to HASHL\n");
ret = smsc95xx_write_reg_async(dev, MAC_CR, &pdata->mac_cr);
- check_warn(ret, "failed to initiate async write to MAC_CR\n");
+ if (ret < 0)
+ netdev_warn(dev->net, "failed to initiate async write to MAC_CR\n");
}
static int smsc95xx_phy_update_flowcontrol(struct usbnet *dev, u8 duplex,
@@ -465,7 +509,10 @@ static int smsc95xx_phy_update_flowcontrol(struct usbnet *dev, u8 duplex,
u32 flow, afc_cfg = 0;
int ret = smsc95xx_read_reg(dev, AFC_CFG, &afc_cfg);
- check_warn_return(ret, "Error reading AFC_CFG\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading AFC_CFG\n");
+ return ret;
+ }
if (duplex == DUPLEX_FULL) {
u8 cap = mii_resolve_flowctrl_fdx(lcladv, rmtadv);
@@ -490,12 +537,16 @@ static int smsc95xx_phy_update_flowcontrol(struct usbnet *dev, u8 duplex,
}
ret = smsc95xx_write_reg(dev, FLOW, flow);
- check_warn_return(ret, "Error writing FLOW\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing FLOW\n");
+ return ret;
+ }
ret = smsc95xx_write_reg(dev, AFC_CFG, afc_cfg);
- check_warn_return(ret, "Error writing AFC_CFG\n");
+ if (ret < 0)
+ netdev_warn(dev->net, "Error writing AFC_CFG\n");
- return 0;
+ return ret;
}
static int smsc95xx_link_reset(struct usbnet *dev)
@@ -509,10 +560,16 @@ static int smsc95xx_link_reset(struct usbnet *dev)
/* clear interrupt status */
ret = smsc95xx_mdio_read(dev->net, mii->phy_id, PHY_INT_SRC);
- check_warn_return(ret, "Error reading PHY_INT_SRC\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading PHY_INT_SRC\n");
+ return ret;
+ }
ret = smsc95xx_write_reg(dev, INT_STS, INT_STS_CLEAR_ALL_);
- check_warn_return(ret, "Error writing INT_STS\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing INT_STS\n");
+ return ret;
+ }
mii_check_media(mii, 1, 1);
mii_ethtool_gset(&dev->mii, &ecmd);
@@ -534,12 +591,16 @@ static int smsc95xx_link_reset(struct usbnet *dev)
spin_unlock_irqrestore(&pdata->mac_cr_lock, flags);
ret = smsc95xx_write_reg(dev, MAC_CR, pdata->mac_cr);
- check_warn_return(ret, "Error writing MAC_CR\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing MAC_CR\n");
+ return ret;
+ }
ret = smsc95xx_phy_update_flowcontrol(dev, ecmd.duplex, lcladv, rmtadv);
- check_warn_return(ret, "Error updating PHY flow control\n");
+ if (ret < 0)
+ netdev_warn(dev->net, "Error updating PHY flow control\n");
- return 0;
+ return ret;
}
static void smsc95xx_status(struct usbnet *dev, struct urb *urb)
@@ -573,7 +634,10 @@ static int smsc95xx_set_features(struct net_device *netdev,
int ret;
ret = smsc95xx_read_reg(dev, COE_CR, &read_buf);
- check_warn_return(ret, "Failed to read COE_CR: %d\n", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read COE_CR: %d\n", ret);
+ return ret;
+ }
if (features & NETIF_F_HW_CSUM)
read_buf |= Tx_COE_EN_;
@@ -586,7 +650,10 @@ static int smsc95xx_set_features(struct net_device *netdev,
read_buf &= ~Rx_COE_EN_;
ret = smsc95xx_write_reg(dev, COE_CR, read_buf);
- check_warn_return(ret, "Failed to write COE_CR: %d\n", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write COE_CR: %d\n", ret);
+ return ret;
+ }
netif_dbg(dev, hw, dev->net, "COE_CR = 0x%08x\n", read_buf);
return 0;
@@ -671,9 +738,10 @@ static int smsc95xx_ethtool_set_wol(struct net_device *net,
pdata->wolopts = wolinfo->wolopts & SUPPORTED_WAKE;
ret = device_set_wakeup_enable(&dev->udev->dev, pdata->wolopts);
- check_warn_return(ret, "device_set_wakeup_enable error %d\n", ret);
+ if (ret < 0)
+ netdev_warn(dev->net, "device_set_wakeup_enable error %d\n", ret);
- return 0;
+ return ret;
}
static const struct ethtool_ops smsc95xx_ethtool_ops = {
@@ -728,12 +796,16 @@ static int smsc95xx_set_mac_address(struct usbnet *dev)
int ret;
ret = smsc95xx_write_reg(dev, ADDRL, addr_lo);
- check_warn_return(ret, "Failed to write ADDRL: %d\n", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write ADDRL: %d\n", ret);
+ return ret;
+ }
ret = smsc95xx_write_reg(dev, ADDRH, addr_hi);
- check_warn_return(ret, "Failed to write ADDRH: %d\n", ret);
+ if (ret < 0)
+ netdev_warn(dev->net, "Failed to write ADDRH: %d\n", ret);
- return 0;
+ return ret;
}
/* starts the TX path */
@@ -749,13 +821,17 @@ static int smsc95xx_start_tx_path(struct usbnet *dev)
spin_unlock_irqrestore(&pdata->mac_cr_lock, flags);
ret = smsc95xx_write_reg(dev, MAC_CR, pdata->mac_cr);
- check_warn_return(ret, "Failed to write MAC_CR: %d\n", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write MAC_CR: %d\n", ret);
+ return ret;
+ }
/* Enable Tx at SCSRs */
ret = smsc95xx_write_reg(dev, TX_CFG, TX_CFG_ON_);
- check_warn_return(ret, "Failed to write TX_CFG: %d\n", ret);
+ if (ret < 0)
+ netdev_warn(dev->net, "Failed to write TX_CFG: %d\n", ret);
- return 0;
+ return ret;
}
/* Starts the Receive path */
@@ -770,9 +846,10 @@ static int smsc95xx_start_rx_path(struct usbnet *dev, int in_pm)
spin_unlock_irqrestore(&pdata->mac_cr_lock, flags);
ret = __smsc95xx_write_reg(dev, MAC_CR, pdata->mac_cr, in_pm);
- check_warn_return(ret, "Failed to write MAC_CR: %d\n", ret);
+ if (ret < 0)
+ netdev_warn(dev->net, "Failed to write MAC_CR: %d\n", ret);
- return 0;
+ return ret;
}
static int smsc95xx_phy_initialize(struct usbnet *dev)
@@ -807,7 +884,10 @@ static int smsc95xx_phy_initialize(struct usbnet *dev)
/* read to clear */
ret = smsc95xx_mdio_read(dev->net, dev->mii.phy_id, PHY_INT_SRC);
- check_warn_return(ret, "Failed to read PHY_INT_SRC during init\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read PHY_INT_SRC during init\n");
+ return ret;
+ }
smsc95xx_mdio_write(dev->net, dev->mii.phy_id, PHY_INT_MASK,
PHY_INT_MASK_DEFAULT_);
@@ -826,13 +906,19 @@ static int smsc95xx_reset(struct usbnet *dev)
netif_dbg(dev, ifup, dev->net, "entering smsc95xx_reset\n");
ret = smsc95xx_write_reg(dev, HW_CFG, HW_CFG_LRST_);
- check_warn_return(ret, "Failed to write HW_CFG_LRST_ bit in HW_CFG\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write HW_CFG_LRST_ bit in HW_CFG\n");
+ return ret;
+ }
timeout = 0;
do {
msleep(10);
ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
- check_warn_return(ret, "Failed to read HW_CFG: %d\n", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret);
+ return ret;
+ }
timeout++;
} while ((read_buf & HW_CFG_LRST_) && (timeout < 100));
@@ -842,13 +928,19 @@ static int smsc95xx_reset(struct usbnet *dev)
}
ret = smsc95xx_write_reg(dev, PM_CTRL, PM_CTL_PHY_RST_);
- check_warn_return(ret, "Failed to write PM_CTRL: %d\n", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write PM_CTRL: %d\n", ret);
+ return ret;
+ }
timeout = 0;
do {
msleep(10);
ret = smsc95xx_read_reg(dev, PM_CTRL, &read_buf);
- check_warn_return(ret, "Failed to read PM_CTRL: %d\n", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read PM_CTRL: %d\n", ret);
+ return ret;
+ }
timeout++;
} while ((read_buf & PM_CTL_PHY_RST_) && (timeout < 100));
@@ -865,7 +957,10 @@ static int smsc95xx_reset(struct usbnet *dev)
dev->net->dev_addr);
ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
- check_warn_return(ret, "Failed to read HW_CFG: %d\n", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret);
+ return ret;
+ }
netif_dbg(dev, ifup, dev->net, "Read Value from HW_CFG : 0x%08x\n",
read_buf);
@@ -873,10 +968,17 @@ static int smsc95xx_reset(struct usbnet *dev)
read_buf |= HW_CFG_BIR_;
ret = smsc95xx_write_reg(dev, HW_CFG, read_buf);
- check_warn_return(ret, "Failed to write HW_CFG_BIR_ bit in HW_CFG\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write HW_CFG_BIR_ bit in HW_CFG\n");
+ return ret;
+ }
ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
- check_warn_return(ret, "Failed to read HW_CFG: %d\n", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret);
+ return ret;
+ }
+
netif_dbg(dev, ifup, dev->net,
"Read Value from HW_CFG after writing HW_CFG_BIR_: 0x%08x\n",
read_buf);
@@ -896,27 +998,42 @@ static int smsc95xx_reset(struct usbnet *dev)
(ulong)dev->rx_urb_size);
ret = smsc95xx_write_reg(dev, BURST_CAP, burst_cap);
- check_warn_return(ret, "Failed to write BURST_CAP: %d\n", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write BURST_CAP: %d\n", ret);
+ return ret;
+ }
ret = smsc95xx_read_reg(dev, BURST_CAP, &read_buf);
- check_warn_return(ret, "Failed to read BURST_CAP: %d\n", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read BURST_CAP: %d\n", ret);
+ return ret;
+ }
netif_dbg(dev, ifup, dev->net,
"Read Value from BURST_CAP after writing: 0x%08x\n",
read_buf);
ret = smsc95xx_write_reg(dev, BULK_IN_DLY, DEFAULT_BULK_IN_DELAY);
- check_warn_return(ret, "Failed to write BULK_IN_DLY: %d\n", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write BULK_IN_DLY: %d\n", ret);
+ return ret;
+ }
ret = smsc95xx_read_reg(dev, BULK_IN_DLY, &read_buf);
- check_warn_return(ret, "Failed to read BULK_IN_DLY: %d\n", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read BULK_IN_DLY: %d\n", ret);
+ return ret;
+ }
netif_dbg(dev, ifup, dev->net,
"Read Value from BULK_IN_DLY after writing: 0x%08x\n",
read_buf);
ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
- check_warn_return(ret, "Failed to read HW_CFG: %d\n", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret);
+ return ret;
+ }
netif_dbg(dev, ifup, dev->net, "Read Value from HW_CFG: 0x%08x\n",
read_buf);
@@ -930,66 +1047,111 @@ static int smsc95xx_reset(struct usbnet *dev)
read_buf |= NET_IP_ALIGN << 9;
ret = smsc95xx_write_reg(dev, HW_CFG, read_buf);
- check_warn_return(ret, "Failed to write HW_CFG: %d\n", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write HW_CFG: %d\n", ret);
+ return ret;
+ }
ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
- check_warn_return(ret, "Failed to read HW_CFG: %d\n", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret);
+ return ret;
+ }
netif_dbg(dev, ifup, dev->net,
"Read Value from HW_CFG after writing: 0x%08x\n", read_buf);
ret = smsc95xx_write_reg(dev, INT_STS, INT_STS_CLEAR_ALL_);
- check_warn_return(ret, "Failed to write INT_STS: %d\n", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write INT_STS: %d\n", ret);
+ return ret;
+ }
ret = smsc95xx_read_reg(dev, ID_REV, &read_buf);
- check_warn_return(ret, "Failed to read ID_REV: %d\n", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read ID_REV: %d\n", ret);
+ return ret;
+ }
netif_dbg(dev, ifup, dev->net, "ID_REV = 0x%08x\n", read_buf);
/* Configure GPIO pins as LED outputs */
write_buf = LED_GPIO_CFG_SPD_LED | LED_GPIO_CFG_LNK_LED |
LED_GPIO_CFG_FDX_LED;
ret = smsc95xx_write_reg(dev, LED_GPIO_CFG, write_buf);
- check_warn_return(ret, "Failed to write LED_GPIO_CFG: %d\n", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write LED_GPIO_CFG: %d\n", ret);
+ return ret;
+ }
/* Init Tx */
ret = smsc95xx_write_reg(dev, FLOW, 0);
- check_warn_return(ret, "Failed to write FLOW: %d\n", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write FLOW: %d\n", ret);
+ return ret;
+ }
ret = smsc95xx_write_reg(dev, AFC_CFG, AFC_CFG_DEFAULT);
- check_warn_return(ret, "Failed to write AFC_CFG: %d\n", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write AFC_CFG: %d\n", ret);
+ return ret;
+ }
/* Don't need mac_cr_lock during initialisation */
ret = smsc95xx_read_reg(dev, MAC_CR, &pdata->mac_cr);
- check_warn_return(ret, "Failed to read MAC_CR: %d\n", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read MAC_CR: %d\n", ret);
+ return ret;
+ }
/* Init Rx */
/* Set Vlan */
ret = smsc95xx_write_reg(dev, VLAN1, (u32)ETH_P_8021Q);
- check_warn_return(ret, "Failed to write VLAN1: %d\n", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write VLAN1: %d\n", ret);
+ return ret;
+ }
/* Enable or disable checksum offload engines */
ret = smsc95xx_set_features(dev->net, dev->net->features);
- check_warn_return(ret, "Failed to set checksum offload features\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to set checksum offload features\n");
+ return ret;
+ }
smsc95xx_set_multicast(dev->net);
ret = smsc95xx_phy_initialize(dev);
- check_warn_return(ret, "Failed to init PHY\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to init PHY\n");
+ return ret;
+ }
ret = smsc95xx_read_reg(dev, INT_EP_CTL, &read_buf);
- check_warn_return(ret, "Failed to read INT_EP_CTL: %d\n", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read INT_EP_CTL: %d\n", ret);
+ return ret;
+ }
/* enable PHY interrupts */
read_buf |= INT_EP_CTL_PHY_INT_;
ret = smsc95xx_write_reg(dev, INT_EP_CTL, read_buf);
- check_warn_return(ret, "Failed to write INT_EP_CTL: %d\n", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to write INT_EP_CTL: %d\n", ret);
+ return ret;
+ }
ret = smsc95xx_start_tx_path(dev);
- check_warn_return(ret, "Failed to start TX path\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to start TX path\n");
+ return ret;
+ }
ret = smsc95xx_start_rx_path(dev, 0);
- check_warn_return(ret, "Failed to start RX path\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to start RX path\n");
+ return ret;
+ }
netif_dbg(dev, ifup, dev->net, "smsc95xx_reset, return 0\n");
return 0;
@@ -1017,7 +1179,10 @@ static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf)
printk(KERN_INFO SMSC_CHIPNAME " v" SMSC_DRIVER_VERSION "\n");
ret = usbnet_get_endpoints(dev, intf);
- check_warn_return(ret, "usbnet_get_endpoints failed: %d\n", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "usbnet_get_endpoints failed: %d\n", ret);
+ return ret;
+ }
dev->data[0] = (unsigned long)kzalloc(sizeof(struct smsc95xx_priv),
GFP_KERNEL);
@@ -1044,7 +1209,10 @@ static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf)
/* detect device revision as different features may be available */
ret = smsc95xx_read_reg(dev, ID_REV, &val);
- check_warn_return(ret, "Failed to read ID_REV: %d\n", ret);
+ if (ret < 0) {
+ netdev_warn(dev->net, "Failed to read ID_REV: %d\n", ret);
+ return ret;
+ }
val >>= 16;
if ((val == ID_REV_CHIP_ID_9500A_) || (val == ID_REV_CHIP_ID_9530_) ||
@@ -1089,11 +1257,17 @@ static int smsc95xx_enable_phy_wakeup_interrupts(struct usbnet *dev, u16 mask)
/* read to clear */
ret = smsc95xx_mdio_read_nopm(dev->net, mii->phy_id, PHY_INT_SRC);
- check_warn_return(ret, "Error reading PHY_INT_SRC\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading PHY_INT_SRC\n");
+ return ret;
+ }
/* enable interrupt source */
ret = smsc95xx_mdio_read_nopm(dev->net, mii->phy_id, PHY_INT_MASK);
- check_warn_return(ret, "Error reading PHY_INT_MASK\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading PHY_INT_MASK\n");
+ return ret;
+ }
ret |= mask;
@@ -1109,10 +1283,16 @@ static int smsc95xx_link_ok_nopm(struct usbnet *dev)
/* first, a dummy read, needed to latch some MII phys */
ret = smsc95xx_mdio_read_nopm(dev->net, mii->phy_id, MII_BMSR);
- check_warn_return(ret, "Error reading MII_BMSR\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading MII_BMSR\n");
+ return ret;
+ }
ret = smsc95xx_mdio_read_nopm(dev->net, mii->phy_id, MII_BMSR);
- check_warn_return(ret, "Error reading MII_BMSR\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading MII_BMSR\n");
+ return ret;
+ }
return !!(ret & BMSR_LSTATUS);
}
@@ -1124,13 +1304,19 @@ static int smsc95xx_enter_suspend0(struct usbnet *dev)
int ret;
ret = smsc95xx_read_reg_nopm(dev, PM_CTRL, &val);
- check_warn_return(ret, "Error reading PM_CTRL\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading PM_CTRL\n");
+ return ret;
+ }
val &= (~(PM_CTL_SUS_MODE_ | PM_CTL_WUPS_ | PM_CTL_PHY_RST_));
val |= PM_CTL_SUS_MODE_0;
ret = smsc95xx_write_reg_nopm(dev, PM_CTRL, val);
- check_warn_return(ret, "Error writing PM_CTRL\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing PM_CTRL\n");
+ return ret;
+ }
/* clear wol status */
val &= ~PM_CTL_WUPS_;
@@ -1141,13 +1327,17 @@ static int smsc95xx_enter_suspend0(struct usbnet *dev)
val |= PM_CTL_WUPS_ED_;
ret = smsc95xx_write_reg_nopm(dev, PM_CTRL, val);
- check_warn_return(ret, "Error writing PM_CTRL\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing PM_CTRL\n");
+ return ret;
+ }
/* read back PM_CTRL */
ret = smsc95xx_read_reg_nopm(dev, PM_CTRL, &val);
- check_warn_return(ret, "Error reading PM_CTRL\n");
+ if (ret < 0)
+ netdev_warn(dev->net, "Error reading PM_CTRL\n");
- return 0;
+ return ret;
}
static int smsc95xx_enter_suspend1(struct usbnet *dev)
@@ -1166,7 +1356,10 @@ static int smsc95xx_enter_suspend1(struct usbnet *dev)
/* enable energy detect power-down mode */
ret = smsc95xx_mdio_read_nopm(dev->net, mii->phy_id, PHY_MODE_CTRL_STS);
- check_warn_return(ret, "Error reading PHY_MODE_CTRL_STS\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading PHY_MODE_CTRL_STS\n");
+ return ret;
+ }
ret |= MODE_CTRL_STS_EDPWRDOWN_;
@@ -1174,22 +1367,29 @@ static int smsc95xx_enter_suspend1(struct usbnet *dev)
/* enter SUSPEND1 mode */
ret = smsc95xx_read_reg_nopm(dev, PM_CTRL, &val);
- check_warn_return(ret, "Error reading PM_CTRL\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading PM_CTRL\n");
+ return ret;
+ }
val &= ~(PM_CTL_SUS_MODE_ | PM_CTL_WUPS_ | PM_CTL_PHY_RST_);
val |= PM_CTL_SUS_MODE_1;
ret = smsc95xx_write_reg_nopm(dev, PM_CTRL, val);
- check_warn_return(ret, "Error writing PM_CTRL\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing PM_CTRL\n");
+ return ret;
+ }
/* clear wol status, enable energy detection */
val &= ~PM_CTL_WUPS_;
val |= (PM_CTL_WUPS_ED_ | PM_CTL_ED_EN_);
ret = smsc95xx_write_reg_nopm(dev, PM_CTRL, val);
- check_warn_return(ret, "Error writing PM_CTRL\n");
+ if (ret < 0)
+ netdev_warn(dev->net, "Error writing PM_CTRL\n");
- return 0;
+ return ret;
}
static int smsc95xx_enter_suspend2(struct usbnet *dev)
@@ -1198,15 +1398,19 @@ static int smsc95xx_enter_suspend2(struct usbnet *dev)
int ret;
ret = smsc95xx_read_reg_nopm(dev, PM_CTRL, &val);
- check_warn_return(ret, "Error reading PM_CTRL\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading PM_CTRL\n");
+ return ret;
+ }
val &= ~(PM_CTL_SUS_MODE_ | PM_CTL_WUPS_ | PM_CTL_PHY_RST_);
val |= PM_CTL_SUS_MODE_2;
ret = smsc95xx_write_reg_nopm(dev, PM_CTRL, val);
- check_warn_return(ret, "Error writing PM_CTRL\n");
+ if (ret < 0)
+ netdev_warn(dev->net, "Error writing PM_CTRL\n");
- return 0;
+ return ret;
}
static int smsc95xx_suspend(struct usb_interface *intf, pm_message_t message)
@@ -1217,7 +1421,10 @@ static int smsc95xx_suspend(struct usb_interface *intf, pm_message_t message)
int ret;
ret = usbnet_suspend(intf, message);
- check_warn_return(ret, "usbnet_suspend error\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "usbnet_suspend error\n");
+ return ret;
+ }
/* determine if link is up using only _nopm functions */
link_up = smsc95xx_link_ok_nopm(dev);
@@ -1231,20 +1438,32 @@ static int smsc95xx_suspend(struct usb_interface *intf, pm_message_t message)
/* disable energy detect (link up) & wake up events */
ret = smsc95xx_read_reg_nopm(dev, WUCSR, &val);
- check_warn_goto_done(ret, "Error reading WUCSR\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading WUCSR\n");
+ goto done;
+ }
val &= ~(WUCSR_MPEN_ | WUCSR_WAKE_EN_);
ret = smsc95xx_write_reg_nopm(dev, WUCSR, val);
- check_warn_goto_done(ret, "Error writing WUCSR\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing WUCSR\n");
+ goto done;
+ }
ret = smsc95xx_read_reg_nopm(dev, PM_CTRL, &val);
- check_warn_goto_done(ret, "Error reading PM_CTRL\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading PM_CTRL\n");
+ goto done;
+ }
val &= ~(PM_CTL_ED_EN_ | PM_CTL_WOL_EN_);
ret = smsc95xx_write_reg_nopm(dev, PM_CTRL, val);
- check_warn_goto_done(ret, "Error writing PM_CTRL\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing PM_CTRL\n");
+ goto done;
+ }
ret = smsc95xx_enter_suspend2(dev);
goto done;
@@ -1253,7 +1472,10 @@ static int smsc95xx_suspend(struct usb_interface *intf, pm_message_t message)
if (pdata->wolopts & WAKE_PHY) {
ret = smsc95xx_enable_phy_wakeup_interrupts(dev,
(PHY_INT_MASK_ANEG_COMP_ | PHY_INT_MASK_LINK_DOWN_));
- check_warn_goto_done(ret, "error enabling PHY wakeup ints\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "error enabling PHY wakeup ints\n");
+ goto done;
+ }
/* if link is down then configure EDPD and enter SUSPEND1,
* otherwise enter SUSPEND0 below
@@ -1338,51 +1560,77 @@ static int smsc95xx_suspend(struct usb_interface *intf, pm_message_t message)
for (i = 0; i < (wuff_filter_count * 4); i++) {
ret = smsc95xx_write_reg_nopm(dev, WUFF, filter_mask[i]);
- if (ret < 0)
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing WUFF\n");
kfree(filter_mask);
- check_warn_goto_done(ret, "Error writing WUFF\n");
+ goto done;
+ }
}
kfree(filter_mask);
for (i = 0; i < (wuff_filter_count / 4); i++) {
ret = smsc95xx_write_reg_nopm(dev, WUFF, command[i]);
- check_warn_goto_done(ret, "Error writing WUFF\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing WUFF\n");
+ goto done;
+ }
}
for (i = 0; i < (wuff_filter_count / 4); i++) {
ret = smsc95xx_write_reg_nopm(dev, WUFF, offset[i]);
- check_warn_goto_done(ret, "Error writing WUFF\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing WUFF\n");
+ goto done;
+ }
}
for (i = 0; i < (wuff_filter_count / 2); i++) {
ret = smsc95xx_write_reg_nopm(dev, WUFF, crc[i]);
- check_warn_goto_done(ret, "Error writing WUFF\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing WUFF\n");
+ goto done;
+ }
}
/* clear any pending pattern match packet status */
ret = smsc95xx_read_reg_nopm(dev, WUCSR, &val);
- check_warn_goto_done(ret, "Error reading WUCSR\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading WUCSR\n");
+ goto done;
+ }
val |= WUCSR_WUFR_;
ret = smsc95xx_write_reg_nopm(dev, WUCSR, val);
- check_warn_goto_done(ret, "Error writing WUCSR\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing WUCSR\n");
+ goto done;
+ }
}
if (pdata->wolopts & WAKE_MAGIC) {
/* clear any pending magic packet status */
ret = smsc95xx_read_reg_nopm(dev, WUCSR, &val);
- check_warn_goto_done(ret, "Error reading WUCSR\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading WUCSR\n");
+ goto done;
+ }
val |= WUCSR_MPR_;
ret = smsc95xx_write_reg_nopm(dev, WUCSR, val);
- check_warn_goto_done(ret, "Error writing WUCSR\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing WUCSR\n");
+ goto done;
+ }
}
/* enable/disable wakeup sources */
ret = smsc95xx_read_reg_nopm(dev, WUCSR, &val);
- check_warn_goto_done(ret, "Error reading WUCSR\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading WUCSR\n");
+ goto done;
+ }
if (pdata->wolopts & (WAKE_BCAST | WAKE_MCAST | WAKE_ARP | WAKE_UCAST)) {
netdev_info(dev->net, "enabling pattern match wakeup\n");
@@ -1401,11 +1649,17 @@ static int smsc95xx_suspend(struct usb_interface *intf, pm_message_t message)
}
ret = smsc95xx_write_reg_nopm(dev, WUCSR, val);
- check_warn_goto_done(ret, "Error writing WUCSR\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing WUCSR\n");
+ goto done;
+ }
/* enable wol wakeup source */
ret = smsc95xx_read_reg_nopm(dev, PM_CTRL, &val);
- check_warn_goto_done(ret, "Error reading PM_CTRL\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading PM_CTRL\n");
+ goto done;
+ }
val |= PM_CTL_WOL_EN_;
@@ -1414,7 +1668,10 @@ static int smsc95xx_suspend(struct usb_interface *intf, pm_message_t message)
val |= PM_CTL_ED_EN_;
ret = smsc95xx_write_reg_nopm(dev, PM_CTRL, val);
- check_warn_goto_done(ret, "Error writing PM_CTRL\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing PM_CTRL\n");
+ goto done;
+ }
/* enable receiver to enable frame reception */
smsc95xx_start_rx_path(dev, 1);
@@ -1441,28 +1698,41 @@ static int smsc95xx_resume(struct usb_interface *intf)
if (pdata->wolopts) {
/* clear wake-up sources */
ret = smsc95xx_read_reg_nopm(dev, WUCSR, &val);
- check_warn_return(ret, "Error reading WUCSR\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading WUCSR\n");
+ return ret;
+ }
val &= ~(WUCSR_WAKE_EN_ | WUCSR_MPEN_);
ret = smsc95xx_write_reg_nopm(dev, WUCSR, val);
- check_warn_return(ret, "Error writing WUCSR\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing WUCSR\n");
+ return ret;
+ }
/* clear wake-up status */
ret = smsc95xx_read_reg_nopm(dev, PM_CTRL, &val);
- check_warn_return(ret, "Error reading PM_CTRL\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error reading PM_CTRL\n");
+ return ret;
+ }
val &= ~PM_CTL_WOL_EN_;
val |= PM_CTL_WUPS_;
ret = smsc95xx_write_reg_nopm(dev, PM_CTRL, val);
- check_warn_return(ret, "Error writing PM_CTRL\n");
+ if (ret < 0) {
+ netdev_warn(dev->net, "Error writing PM_CTRL\n");
+ return ret;
+ }
}
ret = usbnet_resume(intf);
- check_warn_return(ret, "usbnet_resume error\n");
+ if (ret < 0)
+ netdev_warn(dev->net, "usbnet_resume error\n");
- return 0;
+ return ret;
}
static void smsc95xx_rx_csum_offload(struct sk_buff *skb)
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-26 14:51:58 +0300