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-rw-r--r--drivers/net/usb/asix.h18
-rw-r--r--drivers/net/usb/asix_common.c94
-rw-r--r--drivers/net/usb/asix_devices.c51
-rw-r--r--drivers/net/usb/ax88172a.c13
-rw-r--r--drivers/net/usb/catc.c6
-rw-r--r--drivers/net/usb/cdc_ncm.c6
-rw-r--r--drivers/net/usb/dm9601.c4
-rw-r--r--drivers/net/usb/kalmia.c1
-rw-r--r--drivers/net/usb/pegasus.c13
-rw-r--r--drivers/net/usb/rndis_host.c1
-rw-r--r--drivers/net/usb/rtl8150.c6
-rw-r--r--drivers/net/usb/sierra_net.c4
-rw-r--r--drivers/net/usb/smsc95xx.c435
13 files changed, 381 insertions, 271 deletions
diff --git a/drivers/net/usb/asix.h b/drivers/net/usb/asix.h
index e889631161b8..346c032aa795 100644
--- a/drivers/net/usb/asix.h
+++ b/drivers/net/usb/asix.h
@@ -167,6 +167,20 @@ struct asix_data {
u8 res;
};
+struct asix_rx_fixup_info {
+ struct sk_buff *ax_skb;
+ u32 header;
+ u16 size;
+ bool split_head;
+};
+
+struct asix_common_private {
+ struct asix_rx_fixup_info rx_fixup_info;
+};
+
+/* ASIX specific flags */
+#define FLAG_EEPROM_MAC (1UL << 0) /* init device MAC from eeprom */
+
int asix_read_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
u16 size, void *data);
@@ -176,7 +190,9 @@ int asix_write_cmd(struct usbnet *dev, u8 cmd, u16 value, u16 index,
void asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value,
u16 index, u16 size, void *data);
-int asix_rx_fixup(struct usbnet *dev, struct sk_buff *skb);
+int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb,
+ struct asix_rx_fixup_info *rx);
+int asix_rx_fixup_common(struct usbnet *dev, struct sk_buff *skb);
struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
gfp_t flags);
diff --git a/drivers/net/usb/asix_common.c b/drivers/net/usb/asix_common.c
index 50d167330d38..f7f623a5390e 100644
--- a/drivers/net/usb/asix_common.c
+++ b/drivers/net/usb/asix_common.c
@@ -51,49 +51,89 @@ void asix_write_cmd_async(struct usbnet *dev, u8 cmd, u16 value, u16 index,
value, index, data, size);
}
-int asix_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
+int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb,
+ struct asix_rx_fixup_info *rx)
{
int offset = 0;
- while (offset + sizeof(u32) < skb->len) {
- struct sk_buff *ax_skb;
- u16 size;
- u32 header = get_unaligned_le32(skb->data + offset);
-
- offset += sizeof(u32);
-
- /* get the packet length */
- size = (u16) (header & 0x7ff);
- if (size != ((~header >> 16) & 0x07ff)) {
- netdev_err(dev->net, "asix_rx_fixup() Bad Header Length\n");
- return 0;
+ while (offset + sizeof(u16) <= skb->len) {
+ u16 remaining = 0;
+ unsigned char *data;
+
+ if (!rx->size) {
+ if ((skb->len - offset == sizeof(u16)) ||
+ rx->split_head) {
+ if(!rx->split_head) {
+ rx->header = get_unaligned_le16(
+ skb->data + offset);
+ rx->split_head = true;
+ offset += sizeof(u16);
+ break;
+ } else {
+ rx->header |= (get_unaligned_le16(
+ skb->data + offset)
+ << 16);
+ rx->split_head = false;
+ offset += sizeof(u16);
+ }
+ } else {
+ rx->header = get_unaligned_le32(skb->data +
+ offset);
+ offset += sizeof(u32);
+ }
+
+ /* get the packet length */
+ rx->size = (u16) (rx->header & 0x7ff);
+ if (rx->size != ((~rx->header >> 16) & 0x7ff)) {
+ netdev_err(dev->net, "asix_rx_fixup() Bad Header Length 0x%x, offset %d\n",
+ rx->header, offset);
+ rx->size = 0;
+ return 0;
+ }
+ rx->ax_skb = netdev_alloc_skb_ip_align(dev->net,
+ rx->size);
+ if (!rx->ax_skb)
+ return 0;
}
- if ((size > dev->net->mtu + ETH_HLEN + VLAN_HLEN) ||
- (size + offset > skb->len)) {
+ if (rx->size > dev->net->mtu + ETH_HLEN + VLAN_HLEN) {
netdev_err(dev->net, "asix_rx_fixup() Bad RX Length %d\n",
- size);
+ rx->size);
+ kfree_skb(rx->ax_skb);
return 0;
}
- ax_skb = netdev_alloc_skb_ip_align(dev->net, size);
- if (!ax_skb)
- return 0;
- skb_put(ax_skb, size);
- memcpy(ax_skb->data, skb->data + offset, size);
- usbnet_skb_return(dev, ax_skb);
+ if (rx->size > skb->len - offset) {
+ remaining = rx->size - (skb->len - offset);
+ rx->size = skb->len - offset;
+ }
+
+ data = skb_put(rx->ax_skb, rx->size);
+ memcpy(data, skb->data + offset, rx->size);
+ if (!remaining)
+ usbnet_skb_return(dev, rx->ax_skb);
- offset += (size + 1) & 0xfffe;
+ offset += (rx->size + 1) & 0xfffe;
+ rx->size = remaining;
}
if (skb->len != offset) {
- netdev_err(dev->net, "asix_rx_fixup() Bad SKB Length %d\n",
- skb->len);
+ netdev_err(dev->net, "asix_rx_fixup() Bad SKB Length %d, %d\n",
+ skb->len, offset);
return 0;
}
+
return 1;
}
+int asix_rx_fixup_common(struct usbnet *dev, struct sk_buff *skb)
+{
+ struct asix_common_private *dp = dev->driver_priv;
+ struct asix_rx_fixup_info *rx = &dp->rx_fixup_info;
+
+ return asix_rx_fixup_internal(dev, skb, rx);
+}
+
struct sk_buff *asix_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
gfp_t flags)
{
@@ -510,8 +550,8 @@ void asix_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info)
{
/* Inherit standard device info */
usbnet_get_drvinfo(net, info);
- strncpy (info->driver, DRIVER_NAME, sizeof info->driver);
- strncpy (info->version, DRIVER_VERSION, sizeof info->version);
+ strlcpy(info->driver, DRIVER_NAME, sizeof(info->driver));
+ strlcpy(info->version, DRIVER_VERSION, sizeof(info->version));
info->eedump_len = AX_EEPROM_LEN;
}
diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c
index 7a6e758f48e7..2205dbc8d32f 100644
--- a/drivers/net/usb/asix_devices.c
+++ b/drivers/net/usb/asix_devices.c
@@ -422,14 +422,25 @@ static const struct net_device_ops ax88772_netdev_ops = {
static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
{
- int ret, embd_phy;
+ int ret, embd_phy, i;
u8 buf[ETH_ALEN];
u32 phyid;
usbnet_get_endpoints(dev,intf);
/* Get the MAC address */
- ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf);
+ if (dev->driver_info->data & FLAG_EEPROM_MAC) {
+ for (i = 0; i < (ETH_ALEN >> 1); i++) {
+ ret = asix_read_cmd(dev, AX_CMD_READ_EEPROM, 0x04 + i,
+ 0, 2, buf + i * 2);
+ if (ret < 0)
+ break;
+ }
+ } else {
+ ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID,
+ 0, 0, ETH_ALEN, buf);
+ }
+
if (ret < 0) {
netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret);
return ret;
@@ -484,9 +495,19 @@ static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf)
dev->rx_urb_size = 2048;
}
+ dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL);
+ if (!dev->driver_priv)
+ return -ENOMEM;
+
return 0;
}
+static void ax88772_unbind(struct usbnet *dev, struct usb_interface *intf)
+{
+ if (dev->driver_priv)
+ kfree(dev->driver_priv);
+}
+
static const struct ethtool_ops ax88178_ethtool_ops = {
.get_drvinfo = asix_get_drvinfo,
.get_link = asix_get_link,
@@ -818,6 +839,10 @@ static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf)
dev->rx_urb_size = 2048;
}
+ dev->driver_priv = kzalloc(sizeof(struct asix_common_private), GFP_KERNEL);
+ if (!dev->driver_priv)
+ return -ENOMEM;
+
return 0;
}
@@ -864,22 +889,38 @@ static const struct driver_info hawking_uf200_info = {
static const struct driver_info ax88772_info = {
.description = "ASIX AX88772 USB 2.0 Ethernet",
.bind = ax88772_bind,
+ .unbind = ax88772_unbind,
.status = asix_status,
.link_reset = ax88772_link_reset,
.reset = ax88772_reset,
.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR | FLAG_MULTI_PACKET,
- .rx_fixup = asix_rx_fixup,
+ .rx_fixup = asix_rx_fixup_common,
.tx_fixup = asix_tx_fixup,
};
+static const struct driver_info ax88772b_info = {
+ .description = "ASIX AX88772B USB 2.0 Ethernet",
+ .bind = ax88772_bind,
+ .unbind = ax88772_unbind,
+ .status = asix_status,
+ .link_reset = ax88772_link_reset,
+ .reset = ax88772_reset,
+ .flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
+ FLAG_MULTI_PACKET,
+ .rx_fixup = asix_rx_fixup_common,
+ .tx_fixup = asix_tx_fixup,
+ .data = FLAG_EEPROM_MAC,
+};
+
static const struct driver_info ax88178_info = {
.description = "ASIX AX88178 USB 2.0 Ethernet",
.bind = ax88178_bind,
+ .unbind = ax88772_unbind,
.status = asix_status,
.link_reset = ax88178_link_reset,
.reset = ax88178_reset,
.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR,
- .rx_fixup = asix_rx_fixup,
+ .rx_fixup = asix_rx_fixup_common,
.tx_fixup = asix_tx_fixup,
};
@@ -953,7 +994,7 @@ static const struct usb_device_id products [] = {
}, {
// ASIX AX88772B 10/100
USB_DEVICE (0x0b95, 0x772b),
- .driver_info = (unsigned long) &ax88772_info,
+ .driver_info = (unsigned long) &ax88772b_info,
}, {
// ASIX AX88772 10/100
USB_DEVICE (0x0b95, 0x7720),
diff --git a/drivers/net/usb/ax88172a.c b/drivers/net/usb/ax88172a.c
index c8e0aa85fb8e..76ee5410d69e 100644
--- a/drivers/net/usb/ax88172a.c
+++ b/drivers/net/usb/ax88172a.c
@@ -35,6 +35,7 @@ struct ax88172a_private {
u16 phy_addr;
u16 oldmode;
int use_embdphy;
+ struct asix_rx_fixup_info rx_fixup_info;
};
/* MDIO read and write wrappers for phylib */
@@ -377,7 +378,7 @@ static int ax88172a_reset(struct usbnet *dev)
priv->phydev = phy_connect(dev->net, priv->phy_name,
&ax88172a_adjust_link,
- 0, PHY_INTERFACE_MODE_MII);
+ PHY_INTERFACE_MODE_MII);
if (IS_ERR(priv->phydev)) {
netdev_err(dev->net, "Could not connect to PHY device %s\n",
priv->phy_name);
@@ -400,6 +401,14 @@ out:
}
+static int ax88172a_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
+{
+ struct ax88172a_private *dp = dev->driver_priv;
+ struct asix_rx_fixup_info *rx = &dp->rx_fixup_info;
+
+ return asix_rx_fixup_internal(dev, skb, rx);
+}
+
const struct driver_info ax88172a_info = {
.description = "ASIX AX88172A USB 2.0 Ethernet",
.bind = ax88172a_bind,
@@ -409,6 +418,6 @@ const struct driver_info ax88172a_info = {
.status = ax88172a_status,
.flags = FLAG_ETHER | FLAG_FRAMING_AX | FLAG_LINK_INTR |
FLAG_MULTI_PACKET,
- .rx_fixup = asix_rx_fixup,
+ .rx_fixup = ax88172a_rx_fixup,
.tx_fixup = asix_tx_fixup,
};
diff --git a/drivers/net/usb/catc.c b/drivers/net/usb/catc.c
index 18d9579123ea..8d5cac2d8e33 100644
--- a/drivers/net/usb/catc.c
+++ b/drivers/net/usb/catc.c
@@ -685,9 +685,9 @@ static void catc_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
struct catc *catc = netdev_priv(dev);
- strncpy(info->driver, driver_name, ETHTOOL_BUSINFO_LEN);
- strncpy(info->version, DRIVER_VERSION, ETHTOOL_BUSINFO_LEN);
- usb_make_path (catc->usbdev, info->bus_info, sizeof info->bus_info);
+ strlcpy(info->driver, driver_name, sizeof(info->driver));
+ strlcpy(info->version, DRIVER_VERSION, sizeof(info->version));
+ usb_make_path(catc->usbdev, info->bus_info, sizeof(info->bus_info));
}
static int catc_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index 9197b2c72ca3..b5ad7eadc4fa 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -65,9 +65,9 @@ cdc_ncm_get_drvinfo(struct net_device *net, struct ethtool_drvinfo *info)
{
struct usbnet *dev = netdev_priv(net);
- strncpy(info->driver, dev->driver_name, sizeof(info->driver));
- strncpy(info->version, DRIVER_VERSION, sizeof(info->version));
- strncpy(info->fw_version, dev->driver_info->description,
+ strlcpy(info->driver, dev->driver_name, sizeof(info->driver));
+ strlcpy(info->version, DRIVER_VERSION, sizeof(info->version));
+ strlcpy(info->fw_version, dev->driver_info->description,
sizeof(info->fw_version));
usb_make_path(dev->udev, info->bus_info, sizeof(info->bus_info));
}
diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c
index d7e99445518e..174e5ecea4cc 100644
--- a/drivers/net/usb/dm9601.c
+++ b/drivers/net/usb/dm9601.c
@@ -118,7 +118,7 @@ static int dm_read_shared_word(struct usbnet *dev, int phy, u8 reg, __le16 *valu
dm_write_reg(dev, DM_SHARED_CTRL, phy ? 0xc : 0x4);
for (i = 0; i < DM_TIMEOUT; i++) {
- u8 tmp;
+ u8 tmp = 0;
udelay(1);
ret = dm_read_reg(dev, DM_SHARED_CTRL, &tmp);
@@ -161,7 +161,7 @@ static int dm_write_shared_word(struct usbnet *dev, int phy, u8 reg, __le16 valu
dm_write_reg(dev, DM_SHARED_CTRL, phy ? 0x1a : 0x12);
for (i = 0; i < DM_TIMEOUT; i++) {
- u8 tmp;
+ u8 tmp = 0;
udelay(1);
ret = dm_read_reg(dev, DM_SHARED_CTRL, &tmp);
diff --git a/drivers/net/usb/kalmia.c b/drivers/net/usb/kalmia.c
index 92c49e0a59ec..0192073e53a3 100644
--- a/drivers/net/usb/kalmia.c
+++ b/drivers/net/usb/kalmia.c
@@ -159,7 +159,6 @@ kalmia_bind(struct usbnet *dev, struct usb_interface *intf)
}
memcpy(dev->net->dev_addr, ethernet_addr, ETH_ALEN);
- memcpy(dev->net->perm_addr, ethernet_addr, ETH_ALEN);
return status;
}
diff --git a/drivers/net/usb/pegasus.c b/drivers/net/usb/pegasus.c
index a0b5807b30d4..8ee5ab0db127 100644
--- a/drivers/net/usb/pegasus.c
+++ b/drivers/net/usb/pegasus.c
@@ -1074,8 +1074,9 @@ static void pegasus_get_drvinfo(struct net_device *dev,
struct ethtool_drvinfo *info)
{
pegasus_t *pegasus = netdev_priv(dev);
- strncpy(info->driver, driver_name, sizeof(info->driver) - 1);
- strncpy(info->version, DRIVER_VERSION, sizeof(info->version) - 1);
+
+ strlcpy(info->driver, driver_name, sizeof(info->driver));
+ strlcpy(info->version, DRIVER_VERSION, sizeof(info->version));
usb_make_path(pegasus->usb, info->bus_info, sizeof(info->bus_info));
}
@@ -1096,6 +1097,7 @@ pegasus_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
{
pegasus_t *pegasus = netdev_priv(dev);
u8 reg78 = 0x04;
+ int ret;
if (wol->wolopts & ~WOL_SUPPORTED)
return -EINVAL;
@@ -1110,7 +1112,12 @@ pegasus_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
else
pegasus->eth_regs[0] &= ~0x10;
pegasus->wolopts = wol->wolopts;
- return set_register(pegasus, WakeupControl, reg78);
+
+ ret = set_register(pegasus, WakeupControl, reg78);
+ if (!ret)
+ ret = device_set_wakeup_enable(&pegasus->usb->dev,
+ wol->wolopts);
+ return ret;
}
static inline void pegasus_reset_wol(struct net_device *dev)
diff --git a/drivers/net/usb/rndis_host.c b/drivers/net/usb/rndis_host.c
index 4a4335833c36..cc49aac70224 100644
--- a/drivers/net/usb/rndis_host.c
+++ b/drivers/net/usb/rndis_host.c
@@ -431,7 +431,6 @@ generic_rndis_bind(struct usbnet *dev, struct usb_interface *intf, int flags)
goto halt_fail_and_release;
}
memcpy(net->dev_addr, bp, ETH_ALEN);
- memcpy(net->perm_addr, bp, ETH_ALEN);
/* set a nonzero filter to enable data transfers */
memset(u.set, 0, sizeof *u.set);
diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c
index 5f39a3b225ef..a491d3a95393 100644
--- a/drivers/net/usb/rtl8150.c
+++ b/drivers/net/usb/rtl8150.c
@@ -776,9 +776,9 @@ static void rtl8150_get_drvinfo(struct net_device *netdev, struct ethtool_drvinf
{
rtl8150_t *dev = netdev_priv(netdev);
- strncpy(info->driver, driver_name, ETHTOOL_BUSINFO_LEN);
- strncpy(info->version, DRIVER_VERSION, ETHTOOL_BUSINFO_LEN);
- usb_make_path(dev->udev, info->bus_info, sizeof info->bus_info);
+ strlcpy(info->driver, driver_name, sizeof(info->driver));
+ strlcpy(info->version, DRIVER_VERSION, sizeof(info->version));
+ usb_make_path(dev->udev, info->bus_info, sizeof(info->bus_info));
}
static int rtl8150_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
diff --git a/drivers/net/usb/sierra_net.c b/drivers/net/usb/sierra_net.c
index 18dd4257ab17..453aa6c1277c 100644
--- a/drivers/net/usb/sierra_net.c
+++ b/drivers/net/usb/sierra_net.c
@@ -598,8 +598,8 @@ static void sierra_net_get_drvinfo(struct net_device *net,
{
/* Inherit standard device info */
usbnet_get_drvinfo(net, info);
- strncpy(info->driver, driver_name, sizeof info->driver);
- strncpy(info->version, DRIVER_VERSION, sizeof info->version);
+ strlcpy(info->driver, driver_name, sizeof(info->driver));
+ strlcpy(info->version, DRIVER_VERSION, sizeof(info->version));
}
static u32 sierra_net_get_link(struct net_device *net)
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index 9b736701f854..6a74a68220be 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -55,6 +55,13 @@
#define FEATURE_PHY_NLP_CROSSOVER (0x02)
#define FEATURE_AUTOSUSPEND (0x04)
+#define SUSPEND_SUSPEND0 (0x01)
+#define SUSPEND_SUSPEND1 (0x02)
+#define SUSPEND_SUSPEND2 (0x04)
+#define SUSPEND_SUSPEND3 (0x08)
+#define SUSPEND_ALLMODES (SUSPEND_SUSPEND0 | SUSPEND_SUSPEND1 | \
+ SUSPEND_SUSPEND2 | SUSPEND_SUSPEND3)
+
struct smsc95xx_priv {
u32 mac_cr;
u32 hash_hi;
@@ -62,6 +69,7 @@ struct smsc95xx_priv {
u32 wolopts;
spinlock_t mac_cr_lock;
u8 features;
+ u8 suspend_flags;
};
static bool turbo_mode = true;
@@ -513,10 +521,8 @@ 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);
- if (ret < 0) {
- netdev_warn(dev->net, "Error reading AFC_CFG\n");
+ if (ret < 0)
return ret;
- }
if (duplex == DUPLEX_FULL) {
u8 cap = mii_resolve_flowctrl_fdx(lcladv, rmtadv);
@@ -541,16 +547,10 @@ static int smsc95xx_phy_update_flowcontrol(struct usbnet *dev, u8 duplex,
}
ret = smsc95xx_write_reg(dev, FLOW, flow);
- if (ret < 0) {
- netdev_warn(dev->net, "Error writing FLOW\n");
- return ret;
- }
-
- ret = smsc95xx_write_reg(dev, AFC_CFG, afc_cfg);
if (ret < 0)
- netdev_warn(dev->net, "Error writing AFC_CFG\n");
+ return ret;
- return ret;
+ return smsc95xx_write_reg(dev, AFC_CFG, afc_cfg);
}
static int smsc95xx_link_reset(struct usbnet *dev)
@@ -564,16 +564,12 @@ static int smsc95xx_link_reset(struct usbnet *dev)
/* clear interrupt status */
ret = smsc95xx_mdio_read(dev->net, mii->phy_id, PHY_INT_SRC);
- if (ret < 0) {
- netdev_warn(dev->net, "Error reading PHY_INT_SRC\n");
+ if (ret < 0)
return ret;
- }
ret = smsc95xx_write_reg(dev, INT_STS, INT_STS_CLEAR_ALL_);
- if (ret < 0) {
- netdev_warn(dev->net, "Error writing INT_STS\n");
+ if (ret < 0)
return ret;
- }
mii_check_media(mii, 1, 1);
mii_ethtool_gset(&dev->mii, &ecmd);
@@ -595,10 +591,8 @@ 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);
- if (ret < 0) {
- netdev_warn(dev->net, "Error writing MAC_CR\n");
+ if (ret < 0)
return ret;
- }
ret = smsc95xx_phy_update_flowcontrol(dev, ecmd.duplex, lcladv, rmtadv);
if (ret < 0)
@@ -638,10 +632,8 @@ static int smsc95xx_set_features(struct net_device *netdev,
int ret;
ret = smsc95xx_read_reg(dev, COE_CR, &read_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to read COE_CR: %d\n", ret);
+ if (ret < 0)
return ret;
- }
if (features & NETIF_F_HW_CSUM)
read_buf |= Tx_COE_EN_;
@@ -654,10 +646,8 @@ static int smsc95xx_set_features(struct net_device *netdev,
read_buf &= ~Rx_COE_EN_;
ret = smsc95xx_write_reg(dev, COE_CR, read_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write COE_CR: %d\n", ret);
+ if (ret < 0)
return ret;
- }
netif_dbg(dev, hw, dev->net, "COE_CR = 0x%08x\n", read_buf);
return 0;
@@ -800,16 +790,10 @@ static int smsc95xx_set_mac_address(struct usbnet *dev)
int ret;
ret = smsc95xx_write_reg(dev, ADDRL, addr_lo);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write ADDRL: %d\n", ret);
- return ret;
- }
-
- ret = smsc95xx_write_reg(dev, ADDRH, addr_hi);
if (ret < 0)
- netdev_warn(dev->net, "Failed to write ADDRH: %d\n", ret);
+ return ret;
- return ret;
+ return smsc95xx_write_reg(dev, ADDRH, addr_hi);
}
/* starts the TX path */
@@ -825,17 +809,11 @@ 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);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write MAC_CR: %d\n", ret);
+ if (ret < 0)
return ret;
- }
/* Enable Tx at SCSRs */
- ret = smsc95xx_write_reg(dev, TX_CFG, TX_CFG_ON_);
- if (ret < 0)
- netdev_warn(dev->net, "Failed to write TX_CFG: %d\n", ret);
-
- return ret;
+ return smsc95xx_write_reg(dev, TX_CFG, TX_CFG_ON_);
}
/* Starts the Receive path */
@@ -843,17 +821,12 @@ static int smsc95xx_start_rx_path(struct usbnet *dev, int in_pm)
{
struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
unsigned long flags;
- int ret;
spin_lock_irqsave(&pdata->mac_cr_lock, flags);
pdata->mac_cr |= MAC_CR_RXEN_;
spin_unlock_irqrestore(&pdata->mac_cr_lock, flags);
- ret = __smsc95xx_write_reg(dev, MAC_CR, pdata->mac_cr, in_pm);
- if (ret < 0)
- netdev_warn(dev->net, "Failed to write MAC_CR: %d\n", ret);
-
- return ret;
+ return __smsc95xx_write_reg(dev, MAC_CR, pdata->mac_cr, in_pm);
}
static int smsc95xx_phy_initialize(struct usbnet *dev)
@@ -910,19 +883,15 @@ 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_);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write HW_CFG_LRST_ bit in HW_CFG\n");
+ if (ret < 0)
return ret;
- }
timeout = 0;
do {
msleep(10);
ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret);
+ if (ret < 0)
return ret;
- }
timeout++;
} while ((read_buf & HW_CFG_LRST_) && (timeout < 100));
@@ -932,19 +901,15 @@ static int smsc95xx_reset(struct usbnet *dev)
}
ret = smsc95xx_write_reg(dev, PM_CTRL, PM_CTL_PHY_RST_);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write PM_CTRL: %d\n", ret);
+ if (ret < 0)
return ret;
- }
timeout = 0;
do {
msleep(10);
ret = smsc95xx_read_reg(dev, PM_CTRL, &read_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to read PM_CTRL: %d\n", ret);
+ if (ret < 0)
return ret;
- }
timeout++;
} while ((read_buf & PM_CTL_PHY_RST_) && (timeout < 100));
@@ -961,10 +926,8 @@ static int smsc95xx_reset(struct usbnet *dev)
dev->net->dev_addr);
ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret);
+ if (ret < 0)
return ret;
- }
netif_dbg(dev, ifup, dev->net, "Read Value from HW_CFG : 0x%08x\n",
read_buf);
@@ -972,16 +935,12 @@ static int smsc95xx_reset(struct usbnet *dev)
read_buf |= HW_CFG_BIR_;
ret = smsc95xx_write_reg(dev, HW_CFG, read_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write HW_CFG_BIR_ bit in HW_CFG\n");
+ if (ret < 0)
return ret;
- }
ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret);
+ if (ret < 0)
return ret;
- }
netif_dbg(dev, ifup, dev->net,
"Read Value from HW_CFG after writing HW_CFG_BIR_: 0x%08x\n",
@@ -1002,42 +961,32 @@ static int smsc95xx_reset(struct usbnet *dev)
(ulong)dev->rx_urb_size);
ret = smsc95xx_write_reg(dev, BURST_CAP, burst_cap);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write BURST_CAP: %d\n", ret);
+ if (ret < 0)
return ret;
- }
ret = smsc95xx_read_reg(dev, BURST_CAP, &read_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to read BURST_CAP: %d\n", ret);
+ if (ret < 0)
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);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write BULK_IN_DLY: %d\n", ret);
+ if (ret < 0)
return ret;
- }
ret = smsc95xx_read_reg(dev, BULK_IN_DLY, &read_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to read BULK_IN_DLY: %d\n", ret);
+ if (ret < 0)
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);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret);
+ if (ret < 0)
return ret;
- }
netif_dbg(dev, ifup, dev->net, "Read Value from HW_CFG: 0x%08x\n",
read_buf);
@@ -1051,69 +1000,51 @@ static int smsc95xx_reset(struct usbnet *dev)
read_buf |= NET_IP_ALIGN << 9;
ret = smsc95xx_write_reg(dev, HW_CFG, read_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write HW_CFG: %d\n", ret);
+ if (ret < 0)
return ret;
- }
ret = smsc95xx_read_reg(dev, HW_CFG, &read_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to read HW_CFG: %d\n", ret);
+ if (ret < 0)
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_);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write INT_STS: %d\n", ret);
+ if (ret < 0)
return ret;
- }
ret = smsc95xx_read_reg(dev, ID_REV, &read_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to read ID_REV: %d\n", ret);
+ if (ret < 0)
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);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write LED_GPIO_CFG: %d\n", ret);
+ if (ret < 0)
return ret;
- }
/* Init Tx */
ret = smsc95xx_write_reg(dev, FLOW, 0);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write FLOW: %d\n", ret);
+ if (ret < 0)
return ret;
- }
ret = smsc95xx_write_reg(dev, AFC_CFG, AFC_CFG_DEFAULT);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write AFC_CFG: %d\n", ret);
+ if (ret < 0)
return ret;
- }
/* Don't need mac_cr_lock during initialisation */
ret = smsc95xx_read_reg(dev, MAC_CR, &pdata->mac_cr);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to read MAC_CR: %d\n", ret);
+ if (ret < 0)
return ret;
- }
/* Init Rx */
/* Set Vlan */
ret = smsc95xx_write_reg(dev, VLAN1, (u32)ETH_P_8021Q);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write VLAN1: %d\n", ret);
+ if (ret < 0)
return ret;
- }
/* Enable or disable checksum offload engines */
ret = smsc95xx_set_features(dev->net, dev->net->features);
@@ -1131,19 +1062,15 @@ static int smsc95xx_reset(struct usbnet *dev)
}
ret = smsc95xx_read_reg(dev, INT_EP_CTL, &read_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to read INT_EP_CTL: %d\n", ret);
+ if (ret < 0)
return ret;
- }
/* enable PHY interrupts */
read_buf |= INT_EP_CTL_PHY_INT_;
ret = smsc95xx_write_reg(dev, INT_EP_CTL, read_buf);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to write INT_EP_CTL: %d\n", ret);
+ if (ret < 0)
return ret;
- }
ret = smsc95xx_start_tx_path(dev);
if (ret < 0) {
@@ -1213,10 +1140,8 @@ 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);
- if (ret < 0) {
- netdev_warn(dev->net, "Failed to read ID_REV: %d\n", ret);
+ if (ret < 0)
return ret;
- }
val >>= 16;
if ((val == ID_REV_CHIP_ID_9500A_) || (val == ID_REV_CHIP_ID_9530_) ||
@@ -1261,17 +1186,13 @@ 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);
- if (ret < 0) {
- netdev_warn(dev->net, "Error reading PHY_INT_SRC\n");
+ if (ret < 0)
return ret;
- }
/* enable interrupt source */
ret = smsc95xx_mdio_read_nopm(dev->net, mii->phy_id, PHY_INT_MASK);
- if (ret < 0) {
- netdev_warn(dev->net, "Error reading PHY_INT_MASK\n");
+ if (ret < 0)
return ret;
- }
ret |= mask;
@@ -1287,16 +1208,12 @@ 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);
- if (ret < 0) {
- netdev_warn(dev->net, "Error reading MII_BMSR\n");
+ if (ret < 0)
return ret;
- }
ret = smsc95xx_mdio_read_nopm(dev->net, mii->phy_id, MII_BMSR);
- if (ret < 0) {
- netdev_warn(dev->net, "Error reading MII_BMSR\n");
+ if (ret < 0)
return ret;
- }
return !!(ret & BMSR_LSTATUS);
}
@@ -1308,19 +1225,15 @@ static int smsc95xx_enter_suspend0(struct usbnet *dev)
int ret;
ret = smsc95xx_read_reg_nopm(dev, PM_CTRL, &val);
- if (ret < 0) {
- netdev_warn(dev->net, "Error reading PM_CTRL\n");
+ if (ret < 0)
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);
- if (ret < 0) {
- netdev_warn(dev->net, "Error writing PM_CTRL\n");
+ if (ret < 0)
return ret;
- }
/* clear wol status */
val &= ~PM_CTL_WUPS_;
@@ -1331,15 +1244,13 @@ static int smsc95xx_enter_suspend0(struct usbnet *dev)
val |= PM_CTL_WUPS_ED_;
ret = smsc95xx_write_reg_nopm(dev, PM_CTRL, val);
- if (ret < 0) {
- netdev_warn(dev->net, "Error writing PM_CTRL\n");
+ if (ret < 0)
return ret;
- }
/* read back PM_CTRL */
ret = smsc95xx_read_reg_nopm(dev, PM_CTRL, &val);
- if (ret < 0)
- netdev_warn(dev->net, "Error reading PM_CTRL\n");
+
+ pdata->suspend_flags |= SUSPEND_SUSPEND0;
return ret;
}
@@ -1360,10 +1271,8 @@ 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);
- if (ret < 0) {
- netdev_warn(dev->net, "Error reading PHY_MODE_CTRL_STS\n");
+ if (ret < 0)
return ret;
- }
ret |= MODE_CTRL_STS_EDPWRDOWN_;
@@ -1371,52 +1280,133 @@ static int smsc95xx_enter_suspend1(struct usbnet *dev)
/* enter SUSPEND1 mode */
ret = smsc95xx_read_reg_nopm(dev, PM_CTRL, &val);
- if (ret < 0) {
- netdev_warn(dev->net, "Error reading PM_CTRL\n");
+ if (ret < 0)
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);
- if (ret < 0) {
- netdev_warn(dev->net, "Error writing PM_CTRL\n");
+ if (ret < 0)
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);
- if (ret < 0)
- netdev_warn(dev->net, "Error writing PM_CTRL\n");
+
+ pdata->suspend_flags |= SUSPEND_SUSPEND1;
return ret;
}
static int smsc95xx_enter_suspend2(struct usbnet *dev)
{
+ struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
u32 val;
int ret;
ret = smsc95xx_read_reg_nopm(dev, PM_CTRL, &val);
- if (ret < 0) {
- netdev_warn(dev->net, "Error reading PM_CTRL\n");
+ if (ret < 0)
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);
- if (ret < 0)
- netdev_warn(dev->net, "Error writing PM_CTRL\n");
+
+ pdata->suspend_flags |= SUSPEND_SUSPEND2;
return ret;
}
+static int smsc95xx_enter_suspend3(struct usbnet *dev)
+{
+ struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+ u32 val;
+ int ret;
+
+ ret = smsc95xx_read_reg_nopm(dev, RX_FIFO_INF, &val);
+ if (ret < 0)
+ return ret;
+
+ if (val & 0xFFFF) {
+ netdev_info(dev->net, "rx fifo not empty in autosuspend\n");
+ return -EBUSY;
+ }
+
+ ret = smsc95xx_read_reg_nopm(dev, PM_CTRL, &val);
+ if (ret < 0)
+ return ret;
+
+ val &= ~(PM_CTL_SUS_MODE_ | PM_CTL_WUPS_ | PM_CTL_PHY_RST_);
+ val |= PM_CTL_SUS_MODE_3 | PM_CTL_RES_CLR_WKP_STS;
+
+ ret = smsc95xx_write_reg_nopm(dev, PM_CTRL, val);
+ if (ret < 0)
+ return ret;
+
+ /* clear wol status */
+ val &= ~PM_CTL_WUPS_;
+ val |= PM_CTL_WUPS_WOL_;
+
+ ret = smsc95xx_write_reg_nopm(dev, PM_CTRL, val);
+ if (ret < 0)
+ return ret;
+
+ pdata->suspend_flags |= SUSPEND_SUSPEND3;
+
+ return 0;
+}
+
+static int smsc95xx_autosuspend(struct usbnet *dev, u32 link_up)
+{
+ struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+ int ret;
+
+ if (!netif_running(dev->net)) {
+ /* interface is ifconfig down so fully power down hw */
+ netdev_dbg(dev->net, "autosuspend entering SUSPEND2\n");
+ return smsc95xx_enter_suspend2(dev);
+ }
+
+ if (!link_up) {
+ /* link is down so enter EDPD mode, but only if device can
+ * reliably resume from it. This check should be redundant
+ * as current FEATURE_AUTOSUSPEND parts also support
+ * FEATURE_PHY_NLP_CROSSOVER but it's included for clarity */
+ if (!(pdata->features & FEATURE_PHY_NLP_CROSSOVER)) {
+ netdev_warn(dev->net, "EDPD not supported\n");
+ return -EBUSY;
+ }
+
+ netdev_dbg(dev->net, "autosuspend entering SUSPEND1\n");
+
+ /* enable PHY wakeup events for if cable is attached */
+ ret = smsc95xx_enable_phy_wakeup_interrupts(dev,
+ PHY_INT_MASK_ANEG_COMP_);
+ if (ret < 0) {
+ netdev_warn(dev->net, "error enabling PHY wakeup ints\n");
+ return ret;
+ }
+
+ netdev_info(dev->net, "entering SUSPEND1 mode\n");
+ return smsc95xx_enter_suspend1(dev);
+ }
+
+ /* enable PHY wakeup events so we remote wakeup if cable is pulled */
+ ret = smsc95xx_enable_phy_wakeup_interrupts(dev,
+ PHY_INT_MASK_LINK_DOWN_);
+ if (ret < 0) {
+ netdev_warn(dev->net, "error enabling PHY wakeup ints\n");
+ return ret;
+ }
+
+ netdev_dbg(dev->net, "autosuspend entering SUSPEND3\n");
+ return smsc95xx_enter_suspend3(dev);
+}
+
static int smsc95xx_suspend(struct usb_interface *intf, pm_message_t message)
{
struct usbnet *dev = usb_get_intfdata(intf);
@@ -1424,15 +1414,35 @@ static int smsc95xx_suspend(struct usb_interface *intf, pm_message_t message)
u32 val, link_up;
int ret;
+ /* TODO: don't indicate this feature to usb framework if
+ * our current hardware doesn't have the capability
+ */
+ if ((message.event == PM_EVENT_AUTO_SUSPEND) &&
+ (!(pdata->features & FEATURE_AUTOSUSPEND))) {
+ netdev_warn(dev->net, "autosuspend not supported\n");
+ return -EBUSY;
+ }
+
ret = usbnet_suspend(intf, message);
if (ret < 0) {
netdev_warn(dev->net, "usbnet_suspend error\n");
return ret;
}
+ if (pdata->suspend_flags) {
+ netdev_warn(dev->net, "error during last resume\n");
+ pdata->suspend_flags = 0;
+ }
+
/* determine if link is up using only _nopm functions */
link_up = smsc95xx_link_ok_nopm(dev);
+ if (message.event == PM_EVENT_AUTO_SUSPEND) {
+ ret = smsc95xx_autosuspend(dev, link_up);
+ goto done;
+ }
+
+ /* if we get this far we're not autosuspending */
/* if no wol options set, or if link is down and we're not waking on
* PHY activity, enter lowest power SUSPEND2 mode
*/
@@ -1442,32 +1452,24 @@ 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);
- if (ret < 0) {
- netdev_warn(dev->net, "Error reading WUCSR\n");
+ if (ret < 0)
goto done;
- }
val &= ~(WUCSR_MPEN_ | WUCSR_WAKE_EN_);
ret = smsc95xx_write_reg_nopm(dev, WUCSR, val);
- if (ret < 0) {
- netdev_warn(dev->net, "Error writing WUCSR\n");
+ if (ret < 0)
goto done;
- }
ret = smsc95xx_read_reg_nopm(dev, PM_CTRL, &val);
- if (ret < 0) {
- netdev_warn(dev->net, "Error reading PM_CTRL\n");
+ if (ret < 0)
goto done;
- }
val &= ~(PM_CTL_ED_EN_ | PM_CTL_WOL_EN_);
ret = smsc95xx_write_reg_nopm(dev, PM_CTRL, val);
- if (ret < 0) {
- netdev_warn(dev->net, "Error writing PM_CTRL\n");
+ if (ret < 0)
goto done;
- }
ret = smsc95xx_enter_suspend2(dev);
goto done;
@@ -1565,7 +1567,6 @@ 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) {
- netdev_warn(dev->net, "Error writing WUFF\n");
kfree(filter_mask);
goto done;
}
@@ -1574,67 +1575,51 @@ 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, command[i]);
- if (ret < 0) {
- netdev_warn(dev->net, "Error writing WUFF\n");
+ if (ret < 0)
goto done;
- }
}
for (i = 0; i < (wuff_filter_count / 4); i++) {
ret = smsc95xx_write_reg_nopm(dev, WUFF, offset[i]);
- if (ret < 0) {
- netdev_warn(dev->net, "Error writing WUFF\n");
+ if (ret < 0)
goto done;
- }
}
for (i = 0; i < (wuff_filter_count / 2); i++) {
ret = smsc95xx_write_reg_nopm(dev, WUFF, crc[i]);
- if (ret < 0) {
- netdev_warn(dev->net, "Error writing WUFF\n");
+ if (ret < 0)
goto done;
- }
}
/* clear any pending pattern match packet status */
ret = smsc95xx_read_reg_nopm(dev, WUCSR, &val);
- if (ret < 0) {
- netdev_warn(dev->net, "Error reading WUCSR\n");
+ if (ret < 0)
goto done;
- }
val |= WUCSR_WUFR_;
ret = smsc95xx_write_reg_nopm(dev, WUCSR, val);
- if (ret < 0) {
- netdev_warn(dev->net, "Error writing WUCSR\n");
+ if (ret < 0)
goto done;
- }
}
if (pdata->wolopts & WAKE_MAGIC) {
/* clear any pending magic packet status */
ret = smsc95xx_read_reg_nopm(dev, WUCSR, &val);
- if (ret < 0) {
- netdev_warn(dev->net, "Error reading WUCSR\n");
+ if (ret < 0)
goto done;
- }
val |= WUCSR_MPR_;
ret = smsc95xx_write_reg_nopm(dev, WUCSR, val);
- if (ret < 0) {
- netdev_warn(dev->net, "Error writing WUCSR\n");
+ if (ret < 0)
goto done;
- }
}
/* enable/disable wakeup sources */
ret = smsc95xx_read_reg_nopm(dev, WUCSR, &val);
- if (ret < 0) {
- netdev_warn(dev->net, "Error reading WUCSR\n");
+ if (ret < 0)
goto done;
- }
if (pdata->wolopts & (WAKE_BCAST | WAKE_MCAST | WAKE_ARP | WAKE_UCAST)) {
netdev_info(dev->net, "enabling pattern match wakeup\n");
@@ -1653,17 +1638,13 @@ static int smsc95xx_suspend(struct usb_interface *intf, pm_message_t message)
}
ret = smsc95xx_write_reg_nopm(dev, WUCSR, val);
- if (ret < 0) {
- netdev_warn(dev->net, "Error writing WUCSR\n");
+ if (ret < 0)
goto done;
- }
/* enable wol wakeup source */
ret = smsc95xx_read_reg_nopm(dev, PM_CTRL, &val);
- if (ret < 0) {
- netdev_warn(dev->net, "Error reading PM_CTRL\n");
+ if (ret < 0)
goto done;
- }
val |= PM_CTL_WOL_EN_;
@@ -1672,10 +1653,8 @@ 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);
- if (ret < 0) {
- netdev_warn(dev->net, "Error writing PM_CTRL\n");
+ if (ret < 0)
goto done;
- }
/* enable receiver to enable frame reception */
smsc95xx_start_rx_path(dev, 1);
@@ -1694,42 +1673,40 @@ static int smsc95xx_resume(struct usb_interface *intf)
{
struct usbnet *dev = usb_get_intfdata(intf);
struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+ u8 suspend_flags = pdata->suspend_flags;
int ret;
u32 val;
BUG_ON(!dev);
- if (pdata->wolopts) {
+ netdev_dbg(dev->net, "resume suspend_flags=0x%02x\n", suspend_flags);
+
+ /* do this first to ensure it's cleared even in error case */
+ pdata->suspend_flags = 0;
+
+ if (suspend_flags & SUSPEND_ALLMODES) {
/* clear wake-up sources */
ret = smsc95xx_read_reg_nopm(dev, WUCSR, &val);
- if (ret < 0) {
- netdev_warn(dev->net, "Error reading WUCSR\n");
+ if (ret < 0)
return ret;
- }
val &= ~(WUCSR_WAKE_EN_ | WUCSR_MPEN_);
ret = smsc95xx_write_reg_nopm(dev, WUCSR, val);
- if (ret < 0) {
- netdev_warn(dev->net, "Error writing WUCSR\n");
+ if (ret < 0)
return ret;
- }
/* clear wake-up status */
ret = smsc95xx_read_reg_nopm(dev, PM_CTRL, &val);
- if (ret < 0) {
- netdev_warn(dev->net, "Error reading PM_CTRL\n");
+ if (ret < 0)
return ret;
- }
val &= ~PM_CTL_WOL_EN_;
val |= PM_CTL_WUPS_;
ret = smsc95xx_write_reg_nopm(dev, PM_CTRL, val);
- if (ret < 0) {
- netdev_warn(dev->net, "Error writing PM_CTRL\n");
+ if (ret < 0)
return ret;
- }
}
ret = usbnet_resume(intf);
@@ -1891,6 +1868,26 @@ static struct sk_buff *smsc95xx_tx_fixup(struct usbnet *dev,
return skb;
}
+static int smsc95xx_manage_power(struct usbnet *dev, int on)
+{
+ struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
+
+ dev->intf->needs_remote_wakeup = on;
+
+ if (pdata->features & FEATURE_AUTOSUSPEND)
+ return 0;
+
+ /* this chip revision doesn't support autosuspend */
+ netdev_info(dev->net, "hardware doesn't support USB autosuspend\n");
+
+ if (on)
+ usb_autopm_get_interface_no_resume(dev->intf);
+ else
+ usb_autopm_put_interface(dev->intf);
+
+ return 0;
+}
+
static const struct driver_info smsc95xx_info = {
.description = "smsc95xx USB 2.0 Ethernet",
.bind = smsc95xx_bind,
@@ -1900,6 +1897,7 @@ static const struct driver_info smsc95xx_info = {
.rx_fixup = smsc95xx_rx_fixup,
.tx_fixup = smsc95xx_tx_fixup,
.status = smsc95xx_status,
+ .manage_power = smsc95xx_manage_power,
.flags = FLAG_ETHER | FLAG_SEND_ZLP | FLAG_LINK_INTR,
};
@@ -2007,6 +2005,7 @@ static struct usb_driver smsc95xx_driver = {
.reset_resume = smsc95xx_resume,
.disconnect = usbnet_disconnect,
.disable_hub_initiated_lpm = 1,
+ .supports_autosuspend = 1,
};
module_usb_driver(smsc95xx_driver);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 03:21:20 +0000