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Kernel
提交 50753817 编写于 作者: L Linus Torvalds
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Merge branch 'upstream-fixes' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6

上级 eeb059e0 6967bd81
隐藏空白更改
内联 并排
Showing with 222 addition and 116 deletion
drivers/net/8139too.c
浏览文件 @ 50753817
......@@ -586,6 +586,7 @@ struct rtl8139_private {
dma_addr_t tx_bufs_dma;
signed char phys[4]; /* MII device addresses. */
char twistie, twist_row, twist_col; /* Twister tune state. */
unsigned int watchdog_fired : 1;
unsigned int default_port : 4; /* Last dev->if_port value. */
unsigned int have_thread : 1;
spinlock_t lock;
......@@ -638,6 +639,7 @@ static void rtl8139_set_rx_mode (struct net_device *dev);
static void __set_rx_mode (struct net_device *dev);
static void rtl8139_hw_start (struct net_device *dev);
static void rtl8139_thread (void *_data);
static void rtl8139_tx_timeout_task(void *_data);
static struct ethtool_ops rtl8139_ethtool_ops;
/* write MMIO register, with flush */
......@@ -1598,13 +1600,14 @@ static void rtl8139_thread (void *_data)
{
struct net_device *dev = _data;
struct rtl8139_private *tp = netdev_priv(dev);
unsigned long thr_delay;
unsigned long thr_delay = next_tick;
if (rtnl_shlock_nowait() == 0) {
if (tp->watchdog_fired) {
tp->watchdog_fired = 0;
rtl8139_tx_timeout_task(_data);
} else if (rtnl_shlock_nowait() == 0) {
rtl8139_thread_iter (dev, tp, tp->mmio_addr);
rtnl_unlock ();
thr_delay = next_tick;
} else {
/* unlikely race. mitigate with fast poll. */
thr_delay = HZ / 2;
......@@ -1631,7 +1634,8 @@ static void rtl8139_stop_thread(struct rtl8139_private *tp)
if (tp->have_thread) {
cancel_rearming_delayed_work(&tp->thread);
tp->have_thread = 0;
}
} else
flush_scheduled_work();
}
static inline void rtl8139_tx_clear (struct rtl8139_private *tp)
......@@ -1642,14 +1646,13 @@ static inline void rtl8139_tx_clear (struct rtl8139_private *tp)
/* XXX account for unsent Tx packets in tp->stats.tx_dropped */
}
static void rtl8139_tx_timeout (struct net_device *dev)
static void rtl8139_tx_timeout_task (void *_data)
{
struct net_device *dev = _data;
struct rtl8139_private *tp = netdev_priv(dev);
void __iomem *ioaddr = tp->mmio_addr;
int i;
u8 tmp8;
unsigned long flags;
printk (KERN_DEBUG "%s: Transmit timeout, status %2.2x %4.4x %4.4x "
"media %2.2x.\n", dev->name, RTL_R8 (ChipCmd),
......@@ -1670,23 +1673,34 @@ static void rtl8139_tx_timeout (struct net_device *dev)
if (tmp8 & CmdTxEnb)
RTL_W8 (ChipCmd, CmdRxEnb);
spin_lock(&tp->rx_lock);
spin_lock_bh(&tp->rx_lock);
/* Disable interrupts by clearing the interrupt mask. */
RTL_W16 (IntrMask, 0x0000);
/* Stop a shared interrupt from scavenging while we are. */
spin_lock_irqsave (&tp->lock, flags);
spin_lock_irq(&tp->lock);
rtl8139_tx_clear (tp);
spin_unlock_irqrestore (&tp->lock, flags);
spin_unlock_irq(&tp->lock);
/* ...and finally, reset everything */
if (netif_running(dev)) {
rtl8139_hw_start (dev);
netif_wake_queue (dev);
}
spin_unlock(&tp->rx_lock);
spin_unlock_bh(&tp->rx_lock);
}
static void rtl8139_tx_timeout (struct net_device *dev)
{
struct rtl8139_private *tp = netdev_priv(dev);
if (!tp->have_thread) {
INIT_WORK(&tp->thread, rtl8139_tx_timeout_task, dev);
schedule_delayed_work(&tp->thread, next_tick);
} else
tp->watchdog_fired = 1;
}
static int rtl8139_start_xmit (struct sk_buff *skb, struct net_device *dev)
{
......
drivers/net/Kconfig
浏览文件 @ 50753817
......@@ -4,9 +4,9 @@
#
menu "Network device support"
depends on NET
config NETDEVICES
depends on NET
default y if UML
bool "Network device support"
---help---
......@@ -24,9 +24,6 @@ config NETDEVICES
If unsure, say Y.
# All the following symbols are dependent on NETDEVICES - do not repeat
# that for each of the symbols.
if NETDEVICES
config IFB
tristate "Intermediate Functional Block support"
......@@ -2718,8 +2715,6 @@ config NETCONSOLE
If you want to log kernel messages over the network, enable this.
See <file:Documentation/networking/netconsole.txt> for details.
endif #NETDEVICES
config NETPOLL
def_bool NETCONSOLE
......
drivers/net/bonding/bond_main.c
浏览文件 @ 50753817
......@@ -1145,7 +1145,8 @@ int bond_sethwaddr(struct net_device *bond_dev, struct net_device *slave_dev)
}
#define BOND_INTERSECT_FEATURES \
(NETIF_F_SG|NETIF_F_IP_CSUM|NETIF_F_NO_CSUM|NETIF_F_HW_CSUM)
(NETIF_F_SG|NETIF_F_IP_CSUM|NETIF_F_NO_CSUM|NETIF_F_HW_CSUM|\
NETIF_F_TSO|NETIF_F_UFO)
/*
* Compute the common dev->feature set available to all slaves. Some
......@@ -1168,6 +1169,16 @@ static int bond_compute_features(struct bonding *bond)
NETIF_F_HW_CSUM)))
features &= ~NETIF_F_SG;
/*
* features will include NETIF_F_TSO (NETIF_F_UFO) iff all
* slave devices support NETIF_F_TSO (NETIF_F_UFO), which
* implies that all slaves also support scatter-gather
* (NETIF_F_SG), which implies that features also includes
* NETIF_F_SG. So no need to check whether we have an
* illegal combination of NETIF_F_{TSO,UFO} and
* !NETIF_F_SG
*/
features |= (bond_dev->features & ~BOND_INTERSECT_FEATURES);
bond_dev->features = features;
......@@ -4080,6 +4091,8 @@ static void bond_ethtool_get_drvinfo(struct net_device *bond_dev,
static struct ethtool_ops bond_ethtool_ops = {
.get_tx_csum = ethtool_op_get_tx_csum,
.get_tso = ethtool_op_get_tso,
.get_ufo = ethtool_op_get_ufo,
.get_sg = ethtool_op_get_sg,
.get_drvinfo = bond_ethtool_get_drvinfo,
};
......
drivers/net/bonding/bond_sysfs.c
浏览文件 @ 50753817
......@@ -260,7 +260,7 @@ static ssize_t bonding_store_slaves(struct class_device *cd, const char *buffer,
char *ifname;
int i, res, found, ret = count;
struct slave *slave;
struct net_device *dev = 0;
struct net_device *dev = NULL;
struct bonding *bond = to_bond(cd);
/* Quick sanity check -- is the bond interface up? */
......@@ -995,7 +995,7 @@ static ssize_t bonding_store_primary(struct class_device *cd, const char *buf, s
printk(KERN_INFO DRV_NAME
": %s: Setting primary slave to None.\n",
bond->dev->name);
bond->primary_slave = 0;
bond->primary_slave = NULL;
bond_select_active_slave(bond);
} else {
printk(KERN_INFO DRV_NAME
......@@ -1123,7 +1123,7 @@ static ssize_t bonding_store_active_slave(struct class_device *cd, const char *b
printk(KERN_INFO DRV_NAME
": %s: Setting active slave to None.\n",
bond->dev->name);
bond->primary_slave = 0;
bond->primary_slave = NULL;
bond_select_active_slave(bond);
} else {
printk(KERN_INFO DRV_NAME
......
drivers/net/e100.c
浏览文件 @ 50753817
......@@ -2752,8 +2752,6 @@ static int e100_resume(struct pci_dev *pdev)
retval = pci_enable_wake(pdev, 0, 0);
if (retval)
DPRINTK(PROBE,ERR, "Error clearing wake events\n");
if(e100_hw_init(nic))
DPRINTK(HW, ERR, "e100_hw_init failed\n");
netif_device_attach(netdev);
if(netif_running(netdev))
......
drivers/net/gianfar.c
浏览文件 @ 50753817
......@@ -199,8 +199,7 @@ static int gfar_probe(struct platform_device *pdev)
/* get a pointer to the register memory */
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
priv->regs = (struct gfar *)
ioremap(r->start, sizeof (struct gfar));
priv->regs = ioremap(r->start, sizeof (struct gfar));
if (NULL == priv->regs) {
err = -ENOMEM;
......@@ -369,7 +368,7 @@ static int gfar_probe(struct platform_device *pdev)
return 0;
register_fail:
iounmap((void *) priv->regs);
iounmap(priv->regs);
regs_fail:
free_netdev(dev);
return err;
......@@ -382,7 +381,7 @@ static int gfar_remove(struct platform_device *pdev)
platform_set_drvdata(pdev, NULL);
iounmap((void *) priv->regs);
iounmap(priv->regs);
free_netdev(dev);
return 0;
......@@ -454,8 +453,7 @@ static void init_registers(struct net_device *dev)
/* Zero out the rmon mib registers if it has them */
if (priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_RMON) {
memset((void *) &(priv->regs->rmon), 0,
sizeof (struct rmon_mib));
memset_io(&(priv->regs->rmon), 0, sizeof (struct rmon_mib));
/* Mask off the CAM interrupts */
gfar_write(&priv->regs->rmon.cam1, 0xffffffff);
......@@ -477,7 +475,7 @@ static void init_registers(struct net_device *dev)
void gfar_halt(struct net_device *dev)
{
struct gfar_private *priv = netdev_priv(dev);
struct gfar *regs = priv->regs;
struct gfar __iomem *regs = priv->regs;
u32 tempval;
/* Mask all interrupts */
......@@ -507,7 +505,7 @@ void gfar_halt(struct net_device *dev)
void stop_gfar(struct net_device *dev)
{
struct gfar_private *priv = netdev_priv(dev);
struct gfar *regs = priv->regs;
struct gfar __iomem *regs = priv->regs;
unsigned long flags;
phy_stop(priv->phydev);
......@@ -590,7 +588,7 @@ static void free_skb_resources(struct gfar_private *priv)
void gfar_start(struct net_device *dev)
{
struct gfar_private *priv = netdev_priv(dev);
struct gfar *regs = priv->regs;
struct gfar __iomem *regs = priv->regs;
u32 tempval;
/* Enable Rx and Tx in MACCFG1 */
......@@ -624,7 +622,7 @@ int startup_gfar(struct net_device *dev)
unsigned long vaddr;
int i;
struct gfar_private *priv = netdev_priv(dev);
struct gfar *regs = priv->regs;
struct gfar __iomem *regs = priv->regs;
int err = 0;
u32 rctrl = 0;
u32 attrs = 0;
......@@ -1622,7 +1620,7 @@ static irqreturn_t gfar_interrupt(int irq, void *dev_id, struct pt_regs *regs)
static void adjust_link(struct net_device *dev)
{
struct gfar_private *priv = netdev_priv(dev);
struct gfar *regs = priv->regs;
struct gfar __iomem *regs = priv->regs;
unsigned long flags;
struct phy_device *phydev = priv->phydev;
int new_state = 0;
......@@ -1703,7 +1701,7 @@ static void gfar_set_multi(struct net_device *dev)
{
struct dev_mc_list *mc_ptr;
struct gfar_private *priv = netdev_priv(dev);
struct gfar *regs = priv->regs;
struct gfar __iomem *regs = priv->regs;
u32 tempval;
if(dev->flags & IFF_PROMISC) {
......@@ -1842,7 +1840,7 @@ static void gfar_set_mac_for_addr(struct net_device *dev, int num, u8 *addr)
int idx;
char tmpbuf[MAC_ADDR_LEN];
u32 tempval;
u32 *macptr = &priv->regs->macstnaddr1;
u32 __iomem *macptr = &priv->regs->macstnaddr1;
macptr += num*2;
......
drivers/net/gianfar.h
浏览文件 @ 50753817
......@@ -682,8 +682,8 @@ struct gfar_private {
struct rxbd8 *cur_rx; /* Next free rx ring entry */
struct txbd8 *cur_tx; /* Next free ring entry */
struct txbd8 *dirty_tx; /* The Ring entry to be freed. */
struct gfar *regs; /* Pointer to the GFAR memory mapped Registers */
u32 *hash_regs[16];
struct gfar __iomem *regs; /* Pointer to the GFAR memory mapped Registers */
u32 __iomem *hash_regs[16];
int hash_width;
struct net_device_stats stats; /* linux network statistics */
struct gfar_extra_stats extra_stats;
......@@ -718,14 +718,14 @@ struct gfar_private {
uint32_t msg_enable;
};
static inline u32 gfar_read(volatile unsigned *addr)
static inline u32 gfar_read(volatile unsigned __iomem *addr)
{
u32 val;
val = in_be32(addr);
return val;
}
static inline void gfar_write(volatile unsigned *addr, u32 val)
static inline void gfar_write(volatile unsigned __iomem *addr, u32 val)
{
out_be32(addr, val);
}
......
drivers/net/gianfar_ethtool.c
浏览文件 @ 50753817
......@@ -144,11 +144,11 @@ static void gfar_fill_stats(struct net_device *dev, struct ethtool_stats *dummy,
u64 *extra = (u64 *) & priv->extra_stats;
if (priv->einfo->device_flags & FSL_GIANFAR_DEV_HAS_RMON) {
u32 *rmon = (u32 *) & priv->regs->rmon;
u32 __iomem *rmon = (u32 __iomem *) & priv->regs->rmon;
struct gfar_stats *stats = (struct gfar_stats *) buf;
for (i = 0; i < GFAR_RMON_LEN; i++)
stats->rmon[i] = (u64) (rmon[i]);
stats->rmon[i] = (u64) gfar_read(&rmon[i]);
for (i = 0; i < GFAR_EXTRA_STATS_LEN; i++)
stats->extra[i] = extra[i];
......@@ -221,11 +221,11 @@ static void gfar_get_regs(struct net_device *dev, struct ethtool_regs *regs, voi
{
int i;
struct gfar_private *priv = netdev_priv(dev);
u32 *theregs = (u32 *) priv->regs;
u32 __iomem *theregs = (u32 __iomem *) priv->regs;
u32 *buf = (u32 *) regbuf;
for (i = 0; i < sizeof (struct gfar) / sizeof (u32); i++)
buf[i] = theregs[i];
buf[i] = gfar_read(&theregs[i]);
}
/* Convert microseconds to ethernet clock ticks, which changes
......
drivers/net/gianfar_mii.c
浏览文件 @ 50753817
......@@ -50,7 +50,7 @@
* All PHY configuration is done through the TSEC1 MIIM regs */
int gfar_mdio_write(struct mii_bus *bus, int mii_id, int regnum, u16 value)
{
struct gfar_mii *regs = bus->priv;
struct gfar_mii __iomem *regs = (void __iomem *)bus->priv;
/* Set the PHY address and the register address we want to write */
gfar_write(&regs->miimadd, (mii_id << 8) | regnum);
......@@ -70,7 +70,7 @@ int gfar_mdio_write(struct mii_bus *bus, int mii_id, int regnum, u16 value)
* configuration has to be done through the TSEC1 MIIM regs */
int gfar_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
{
struct gfar_mii *regs = bus->priv;
struct gfar_mii __iomem *regs = (void __iomem *)bus->priv;
u16 value;
/* Set the PHY address and the register address we want to read */
......@@ -94,7 +94,7 @@ int gfar_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
/* Reset the MIIM registers, and wait for the bus to free */
int gfar_mdio_reset(struct mii_bus *bus)
{
struct gfar_mii *regs = bus->priv;
struct gfar_mii __iomem *regs = (void __iomem *)bus->priv;
unsigned int timeout = PHY_INIT_TIMEOUT;
spin_lock_bh(&bus->mdio_lock);
......@@ -126,7 +126,7 @@ int gfar_mdio_probe(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct gianfar_mdio_data *pdata;
struct gfar_mii *regs;
struct gfar_mii __iomem *regs;
struct mii_bus *new_bus;
struct resource *r;
int err = 0;
......@@ -155,15 +155,14 @@ int gfar_mdio_probe(struct device *dev)
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
/* Set the PHY base address */
regs = (struct gfar_mii *) ioremap(r->start,
sizeof (struct gfar_mii));
regs = ioremap(r->start, sizeof (struct gfar_mii));
if (NULL == regs) {
err = -ENOMEM;
goto reg_map_fail;
}
new_bus->priv = regs;
new_bus->priv = (void __force *)regs;
new_bus->irq = pdata->irq;
......@@ -181,7 +180,7 @@ int gfar_mdio_probe(struct device *dev)
return 0;
bus_register_fail:
iounmap((void *) regs);
iounmap(regs);
reg_map_fail:
kfree(new_bus);
......@@ -197,7 +196,7 @@ int gfar_mdio_remove(struct device *dev)
dev_set_drvdata(dev, NULL);
iounmap((void *) (&bus->priv));
iounmap((void __iomem *)bus->priv);
bus->priv = NULL;
kfree(bus);
......
drivers/net/r8169.c
浏览文件 @ 50753817
......@@ -484,13 +484,12 @@ static void mdio_write(void __iomem *ioaddr, int RegAddr, int value)
int i;
RTL_W32(PHYAR, 0x80000000 | (RegAddr & 0xFF) << 16 | value);
udelay(1000);
for (i = 2000; i > 0; i--) {
for (i = 20; i > 0; i--) {
/* Check if the RTL8169 has completed writing to the specified MII register */
if (!(RTL_R32(PHYAR) & 0x80000000))
break;
udelay(100);
udelay(25);
}
}
......@@ -499,15 +498,14 @@ static int mdio_read(void __iomem *ioaddr, int RegAddr)
int i, value = -1;
RTL_W32(PHYAR, 0x0 | (RegAddr & 0xFF) << 16);
udelay(1000);
for (i = 2000; i > 0; i--) {
for (i = 20; i > 0; i--) {
/* Check if the RTL8169 has completed retrieving data from the specified MII register */
if (RTL_R32(PHYAR) & 0x80000000) {
value = (int) (RTL_R32(PHYAR) & 0xFFFF);
break;
}
udelay(100);
udelay(25);
}
return value;
}
......@@ -677,6 +675,9 @@ static int rtl8169_set_speed_xmii(struct net_device *dev,
if (duplex == DUPLEX_HALF)
auto_nego &= ~(PHY_Cap_10_Full | PHY_Cap_100_Full);
if (duplex == DUPLEX_FULL)
auto_nego &= ~(PHY_Cap_10_Half | PHY_Cap_100_Half);
}
tp->phy_auto_nego_reg = auto_nego;
......
drivers/net/sis900.h
浏览文件 @ 50753817
......@@ -33,7 +33,6 @@ enum sis900_registers {
rxcfg=0x34, //Receive Configuration Register
flctrl=0x38, //Flow Control Register
rxlen=0x3c, //Receive Packet Length Register
cfgpmcsr=0x44, //Configuration Power Management Control/Status Register
rfcr=0x48, //Receive Filter Control Register
rfdr=0x4C, //Receive Filter Data Register
pmctrl=0xB0, //Power Management Control Register
......
drivers/net/sky2.c
浏览文件 @ 50753817
......@@ -23,12 +23,6 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
* TOTEST
* - speed setting
* - suspend/resume
*/
#include <linux/config.h>
#include <linux/crc32.h>
#include <linux/kernel.h>
......@@ -57,7 +51,7 @@
#include "sky2.h"
#define DRV_NAME "sky2"
#define DRV_VERSION "0.13"
#define DRV_VERSION "0.15"
#define PFX DRV_NAME " "
/*
......@@ -102,6 +96,10 @@ static int copybreak __read_mostly = 256;
module_param(copybreak, int, 0);
MODULE_PARM_DESC(copybreak, "Receive copy threshold");
static int disable_msi = 0;
module_param(disable_msi, int, 0);
MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
static const struct pci_device_id sky2_id_table[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9000) },
{ PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E00) },
......@@ -198,7 +196,7 @@ static int sky2_set_power_state(struct sky2_hw *hw, pci_power_t state)
sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON);
pci_read_config_word(hw->pdev, hw->pm_cap + PCI_PM_PMC, &power_control);
vaux = (sky2_read8(hw, B0_CTST) & Y2_VAUX_AVAIL) &&
vaux = (sky2_read16(hw, B0_CTST) & Y2_VAUX_AVAIL) &&
(power_control & PCI_PM_CAP_PME_D3cold);
pci_read_config_word(hw->pdev, hw->pm_cap + PCI_PM_CTRL, &power_control);
......@@ -1834,6 +1832,8 @@ static int sky2_poll(struct net_device *dev0, int *budget)
u16 hwidx;
u16 tx_done[2] = { TX_NO_STATUS, TX_NO_STATUS };
sky2_write32(hw, STAT_CTRL, SC_STAT_CLR_IRQ);
hwidx = sky2_read16(hw, STAT_PUT_IDX);
BUG_ON(hwidx >= STATUS_RING_SIZE);
rmb();
......@@ -1913,12 +1913,10 @@ static int sky2_poll(struct net_device *dev0, int *budget)
}
exit_loop:
sky2_write32(hw, STAT_CTRL, SC_STAT_CLR_IRQ);
sky2_tx_check(hw, 0, tx_done[0]);
sky2_tx_check(hw, 1, tx_done[1]);
if (sky2_read16(hw, STAT_PUT_IDX) == hw->st_idx) {
if (likely(work_done < to_do)) {
/* need to restart TX timer */
if (is_ec_a1(hw)) {
sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_STOP);
......@@ -2141,14 +2139,12 @@ static inline u32 sky2_clk2us(const struct sky2_hw *hw, u32 clk)
static int sky2_reset(struct sky2_hw *hw)
{
u32 ctst;
u16 status;
u8 t8, pmd_type;
int i;
ctst = sky2_read32(hw, B0_CTST);
int i, err;
sky2_write8(hw, B0_CTST, CS_RST_CLR);
hw->chip_id = sky2_read8(hw, B2_CHIP_ID);
if (hw->chip_id < CHIP_ID_YUKON_XL || hw->chip_id > CHIP_ID_YUKON_FE) {
printk(KERN_ERR PFX "%s: unsupported chip type 0x%x\n",
......@@ -2156,12 +2152,6 @@ static int sky2_reset(struct sky2_hw *hw)
return -EOPNOTSUPP;
}
/* ring for status responses */
hw->st_le = pci_alloc_consistent(hw->pdev, STATUS_LE_BYTES,
&hw->st_dma);
if (!hw->st_le)
return -ENOMEM;
/* disable ASF */
if (hw->chip_id <= CHIP_ID_YUKON_EC) {
sky2_write8(hw, B28_Y2_ASF_STAT_CMD, Y2_ASF_RESET);
......@@ -2173,19 +2163,24 @@ static int sky2_reset(struct sky2_hw *hw)
sky2_write8(hw, B0_CTST, CS_RST_CLR);
/* clear PCI errors, if any */
pci_read_config_word(hw->pdev, PCI_STATUS, &status);
err = pci_read_config_word(hw->pdev, PCI_STATUS, &status);
if (err)
goto pci_err;
sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON);
pci_write_config_word(hw->pdev, PCI_STATUS,
status | PCI_STATUS_ERROR_BITS);
err = pci_write_config_word(hw->pdev, PCI_STATUS,
status | PCI_STATUS_ERROR_BITS);
if (err)
goto pci_err;
sky2_write8(hw, B0_CTST, CS_MRST_CLR);
/* clear any PEX errors */
if (is_pciex(hw)) {
u16 lstat;
pci_write_config_dword(hw->pdev, PEX_UNC_ERR_STAT,
0xffffffffUL);
pci_read_config_word(hw->pdev, PEX_LNK_STAT, &lstat);
if (pci_find_capability(hw->pdev, PCI_CAP_ID_EXP)) {
err = pci_write_config_dword(hw->pdev, PEX_UNC_ERR_STAT,
0xffffffffUL);
if (err)
goto pci_err;
}
pmd_type = sky2_read8(hw, B2_PMD_TYP);
......@@ -2297,6 +2292,14 @@ static int sky2_reset(struct sky2_hw *hw)
sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_START);
return 0;
pci_err:
/* This is to catch a BIOS bug workaround where
* mmconfig table doesn't have other buses.
*/
printk(KERN_ERR PFX "%s: can't access PCI config space\n",
pci_name(hw->pdev));
return err;
}
static u32 sky2_supported_modes(const struct sky2_hw *hw)
......@@ -2551,19 +2554,24 @@ static struct net_device_stats *sky2_get_stats(struct net_device *dev)
static int sky2_set_mac_address(struct net_device *dev, void *p)
{
struct sky2_port *sky2 = netdev_priv(dev);
struct sockaddr *addr = p;
struct sky2_hw *hw = sky2->hw;
unsigned port = sky2->port;
const struct sockaddr *addr = p;
if (!is_valid_ether_addr(addr->sa_data))
return -EADDRNOTAVAIL;
memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
memcpy_toio(sky2->hw->regs + B2_MAC_1 + sky2->port * 8,
memcpy_toio(hw->regs + B2_MAC_1 + port * 8,
dev->dev_addr, ETH_ALEN);
memcpy_toio(sky2->hw->regs + B2_MAC_2 + sky2->port * 8,
memcpy_toio(hw->regs + B2_MAC_2 + port * 8,
dev->dev_addr, ETH_ALEN);
if (netif_running(dev))
sky2_phy_reinit(sky2);
/* virtual address for data */
gma_set_addr(hw, port, GM_SRC_ADDR_2L, dev->dev_addr);
/* physical address: used for pause frames */
gma_set_addr(hw, port, GM_SRC_ADDR_1L, dev->dev_addr);
return 0;
}
......@@ -2843,7 +2851,7 @@ static int sky2_set_coalesce(struct net_device *dev,
if (ecmd->rx_coalesce_usecs_irq == 0)
sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_STOP);
else {
sky2_write32(hw, STAT_TX_TIMER_INI,
sky2_write32(hw, STAT_ISR_TIMER_INI,
sky2_us2clk(hw, ecmd->rx_coalesce_usecs_irq));
sky2_write8(hw, STAT_ISR_TIMER_CTRL, TIM_START);
}
......@@ -3055,6 +3063,61 @@ static void __devinit sky2_show_addr(struct net_device *dev)
dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
}
/* Handle software interrupt used during MSI test */
static irqreturn_t __devinit sky2_test_intr(int irq, void *dev_id,
struct pt_regs *regs)
{
struct sky2_hw *hw = dev_id;
u32 status = sky2_read32(hw, B0_Y2_SP_ISRC2);
if (status == 0)
return IRQ_NONE;
if (status & Y2_IS_IRQ_SW) {
sky2_write8(hw, B0_CTST, CS_CL_SW_IRQ);
hw->msi = 1;
}
sky2_write32(hw, B0_Y2_SP_ICR, 2);
sky2_read32(hw, B0_IMSK);
return IRQ_HANDLED;
}
/* Test interrupt path by forcing a a software IRQ */
static int __devinit sky2_test_msi(struct sky2_hw *hw)
{
struct pci_dev *pdev = hw->pdev;
int i, err;
sky2_write32(hw, B0_IMSK, Y2_IS_IRQ_SW);
err = request_irq(pdev->irq, sky2_test_intr, SA_SHIRQ, DRV_NAME, hw);
if (err) {
printk(KERN_ERR PFX "%s: cannot assign irq %d\n",
pci_name(pdev), pdev->irq);
return err;
}
sky2_write8(hw, B0_CTST, CS_ST_SW_IRQ);
wmb();
for (i = 0; i < 10; i++) {
barrier();
if (hw->msi)
goto found;
mdelay(1);
}
err = -EOPNOTSUPP;
sky2_write8(hw, B0_CTST, CS_CL_SW_IRQ);
found:
sky2_write32(hw, B0_IMSK, 0);
free_irq(pdev->irq, hw);
return err;
}
static int __devinit sky2_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
......@@ -3135,6 +3198,12 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
}
hw->pm_cap = pm_cap;
/* ring for status responses */
hw->st_le = pci_alloc_consistent(hw->pdev, STATUS_LE_BYTES,
&hw->st_dma);
if (!hw->st_le)
goto err_out_iounmap;
err = sky2_reset(hw);
if (err)
goto err_out_iounmap;
......@@ -3169,7 +3238,22 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
}
}
err = request_irq(pdev->irq, sky2_intr, SA_SHIRQ, DRV_NAME, hw);
if (!disable_msi && pci_enable_msi(pdev) == 0) {
err = sky2_test_msi(hw);
if (err == -EOPNOTSUPP) {
/* MSI test failed, go back to INTx mode */
printk(KERN_WARNING PFX "%s: No interrupt was generated using MSI, "
"switching to INTx mode. Please report this failure to "
"the PCI maintainer and include system chipset information.\n",
pci_name(pdev));
pci_disable_msi(pdev);
}
else if (err)
goto err_out_unregister;
}
err = request_irq(pdev->irq, sky2_intr, SA_SHIRQ | SA_SAMPLE_RANDOM,
DRV_NAME, hw);
if (err) {
printk(KERN_ERR PFX "%s: cannot assign irq %d\n",
pci_name(pdev), pdev->irq);
......@@ -3184,6 +3268,8 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
return 0;
err_out_unregister:
if (hw->msi)
pci_disable_msi(pdev);
if (dev1) {
unregister_netdev(dev1);
free_netdev(dev1);
......@@ -3226,6 +3312,8 @@ static void __devexit sky2_remove(struct pci_dev *pdev)
sky2_read8(hw, B0_CTST);
free_irq(pdev->irq, hw);
if (hw->msi)
pci_disable_msi(pdev);
pci_free_consistent(pdev, STATUS_LE_BYTES, hw->st_le, hw->st_dma);
pci_release_regions(pdev);
pci_disable_device(pdev);
......@@ -3263,25 +3351,33 @@ static int sky2_suspend(struct pci_dev *pdev, pm_message_t state)
static int sky2_resume(struct pci_dev *pdev)
{
struct sky2_hw *hw = pci_get_drvdata(pdev);
int i;
int i, err;
pci_restore_state(pdev);
pci_enable_wake(pdev, PCI_D0, 0);
sky2_set_power_state(hw, PCI_D0);
err = sky2_set_power_state(hw, PCI_D0);
if (err)
goto out;
sky2_reset(hw);
err = sky2_reset(hw);
if (err)
goto out;
for (i = 0; i < 2; i++) {
struct net_device *dev = hw->dev[i];
if (dev) {
if (netif_running(dev)) {
netif_device_attach(dev);
if (sky2_up(dev))
dev_close(dev);
if (dev && netif_running(dev)) {
netif_device_attach(dev);
err = sky2_up(dev);
if (err) {
printk(KERN_ERR PFX "%s: could not up: %d\n",
dev->name, err);
dev_close(dev);
break;
}
}
}
return 0;
out:
return err;
}
#endif
......
drivers/net/sky2.h
浏览文件 @ 50753817
......@@ -1841,6 +1841,7 @@ struct sky2_hw {
struct net_device *dev[2];
int pm_cap;
int msi;
u8 chip_id;
u8 chip_rev;
u8 copper;
......@@ -1867,14 +1868,6 @@ static inline u8 sky2_read8(const struct sky2_hw *hw, unsigned reg)
return readb(hw->regs + reg);
}
/* This should probably go away, bus based tweeks suck */
static inline int is_pciex(const struct sky2_hw *hw)
{
u32 status;
pci_read_config_dword(hw->pdev, PCI_DEV_STATUS, &status);
return (status & PCI_OS_PCI_X) == 0;
}
static inline void sky2_write32(const struct sky2_hw *hw, unsigned reg, u32 val)
{
writel(val, hw->regs + reg);
......
drivers/net/tulip/uli526x.c
浏览文件 @ 50753817
......@@ -214,7 +214,7 @@ static u32 uli526x_cr6_user_set;
/* For module input parameter */
static int debug;
static u32 cr6set;
static unsigned char mode = 8;
static int mode = 8;
/* function declaration ------------------------------------- */
static int uli526x_open(struct net_device *);
......
drivers/net/wan/dscc4.c
浏览文件 @ 50753817
......@@ -1943,7 +1943,7 @@ static int dscc4_init_ring(struct net_device *dev)
(++i%TX_RING_SIZE)*sizeof(*tx_fd));
} while (i < TX_RING_SIZE);
if (dscc4_init_dummy_skb(dpriv) < 0)
if (!dscc4_init_dummy_skb(dpriv))
goto err_free_dma_tx;
memset(dpriv->rx_skbuff, 0, sizeof(struct sk_buff *)*RX_RING_SIZE);
......
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