From: Jeff Garzik <jgarzik@pobox.com>
To: Andrew Morton <akpm@osdl.org>, Linus Torvalds <torvalds@osdl.org>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [git patches] net driver fixes
Date: Tue, 7 Feb 2006 03:03:01 -0500 [thread overview]
Message-ID: <20060207080301.GA27206@havoc.gtf.org> (raw)
Please pull from 'upstream-fixes' branch of
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6.git
to receive the following updates:
drivers/net/8139too.c | 38 +++++--
drivers/net/Kconfig | 7 -
drivers/net/bonding/bond_main.c | 15 ++-
drivers/net/bonding/bond_sysfs.c | 6 -
drivers/net/e100.c | 2
drivers/net/gianfar.c | 24 ++---
drivers/net/gianfar.h | 8 -
drivers/net/gianfar_ethtool.c | 8 -
drivers/net/gianfar_mii.c | 17 +--
drivers/net/r8169.c | 13 +-
drivers/net/sis900.h | 1
drivers/net/sky2.c | 186 +++++++++++++++++++++++++++++----------
drivers/net/sky2.h | 9 -
drivers/net/tulip/uli526x.c | 2
drivers/net/wan/dscc4.c | 2
15 files changed, 222 insertions(+), 116 deletions(-)
Alexey Dobriyan:
dscc4: fix dscc4_init_dummy_skb check
dscc4: fix dscc4_init_dummy_skb check
[same change, two different paths. -ed]
Andrew Morton:
uli526x warning fix
Andy Gospodarek:
r8169: fix forced-mode link settings
Francois Romieu:
r8169: prevent excessive busy-waiting
8139too: fix a TX timeout watchdog thread against NAPI softirq race
Jay Vosburgh:
bonding: allow bond to use TSO if slaves support it
Jesse Brandeburg:
e100: remove init_hw call to fix panic
Kumar Gala:
gianfar: Fix sparse warnings
Lennert Buytenhek:
sis900: remove cfgpmcsr I/O space register define
Luiz Fernando Capitulino:
bonding: Sparse warnings fix
Paolo 'Blaisorblade' Giarrusso:
Kbuild menu - hide empty NETDEVICES menu when NET is disabled
Stephen Hemminger:
sky2: power management fix
sky2: pci config space checking
sky2: ethtool rx_coalesce settings fix
sky2: set mac address fix
sky2: clear irq race
sky2: add irq to entropy pool
sky2: support msi interrupt (revised)
sky2: version 0.15 update
diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c
index adfba44..2beac55 100644
--- a/drivers/net/8139too.c
+++ b/drivers/net/8139too.c
@@ -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
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 r
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 (str
/* 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 n
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)
{
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 6a6a084..47c72a6 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -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
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 4ff006c..e0f51af 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1145,7 +1145,8 @@ int bond_sethwaddr(struct net_device *bo
}
#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
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(str
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,
};
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index 32d13da..041bcc5 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -260,7 +260,7 @@ static ssize_t bonding_store_slaves(stru
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(str
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_slav
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
diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index bf1fd2b..24253c8 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -2752,8 +2752,6 @@ static int e100_resume(struct pci_dev *p
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))
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 0c18dbd..0e8e3fc 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -199,8 +199,7 @@ static int gfar_probe(struct platform_de
/* 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_de
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_d
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_de
/* 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_de
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 gf
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 ir
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_de
{
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
int idx;
char tmpbuf[MAC_ADDR_LEN];
u32 tempval;
- u32 *macptr = &priv->regs->macstnaddr1;
+ u32 __iomem *macptr = &priv->regs->macstnaddr1;
macptr += num*2;
diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h
index cb9d66a..d37d540 100644
--- a/drivers/net/gianfar.h
+++ b/drivers/net/gianfar.h
@@ -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);
}
diff --git a/drivers/net/gianfar_ethtool.c b/drivers/net/gianfar_ethtool.c
index 765e810..5de7b2e 100644
--- a/drivers/net/gianfar_ethtool.c
+++ b/drivers/net/gianfar_ethtool.c
@@ -144,11 +144,11 @@ static void gfar_fill_stats(struct net_d
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_dev
{
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
diff --git a/drivers/net/gianfar_mii.c b/drivers/net/gianfar_mii.c
index 74e52fc..c6b7255 100644
--- a/drivers/net/gianfar_mii.c
+++ b/drivers/net/gianfar_mii.c
@@ -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(®s->miimadd, (mii_id << 8) | regnum);
@@ -70,7 +70,7 @@ int gfar_mdio_write(struct mii_bus *bus,
* 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,
/* 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);
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 2e1bed1..6e10184 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -484,13 +484,12 @@ static void mdio_write(void __iomem *ioa
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 *ioadd
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
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;
diff --git a/drivers/net/sis900.h b/drivers/net/sis900.h
index 4233ea5..5032394 100644
--- a/drivers/net/sis900.h
+++ b/drivers/net/sis900.h
@@ -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
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index f8b973a..cae2edf 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -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 s
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 *
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 *
}
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 stru
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
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_
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(str
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 p
}
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 p
}
}
- 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 p
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
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 *
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
diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h
index 9551892..fd12c28 100644
--- a/drivers/net/sky2.h
+++ b/drivers/net/sky2.h
@@ -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
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);
diff --git a/drivers/net/tulip/uli526x.c b/drivers/net/tulip/uli526x.c
index 9839816..238e9c7 100644
--- a/drivers/net/tulip/uli526x.c
+++ b/drivers/net/tulip/uli526x.c
@@ -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 *);
diff --git a/drivers/net/wan/dscc4.c b/drivers/net/wan/dscc4.c
index 2f61a47..1ff5de0 100644
--- a/drivers/net/wan/dscc4.c
+++ b/drivers/net/wan/dscc4.c
@@ -1943,7 +1943,7 @@ static int dscc4_init_ring(struct net_de
(++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);
next reply other threads:[~2006-02-07 8:03 UTC|newest]
Thread overview: 204+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-07 8:03 Jeff Garzik [this message]
-- strict thread matches above, loose matches on Subject: below --
2008-10-21 6:18 [git patches] net driver fixes Jeff Garzik
2008-10-21 23:26 ` David Miller
2008-10-16 10:03 Jeff Garzik
2008-10-16 21:16 ` David Miller
2008-09-13 20:35 Jeff Garzik
2008-09-14 22:51 ` Ingo Oeser
2008-09-15 19:09 ` David Miller
2008-09-15 20:17 ` Jeff Garzik
2008-09-15 20:27 ` David Miller
2008-09-15 20:45 ` Jeff Garzik
2008-09-15 21:14 ` David Miller
2008-09-15 21:30 ` Krzysztof Halasa
2008-09-15 21:53 ` Thomas Bogendoerfer
2008-09-15 22:11 ` David Miller
2008-09-15 22:38 ` Jeff Garzik
2008-09-15 22:41 ` David Miller
2008-09-15 23:25 ` Jeff Garzik
2008-09-15 23:28 ` David Miller
2008-09-16 8:39 ` Adrian Bunk
2008-09-16 9:18 ` Thomas Bogendoerfer
2008-09-16 9:40 ` Adrian Bunk
2008-09-16 10:48 ` Adrian Bunk
2008-09-16 11:43 ` Jarek Poplawski
2008-09-16 12:15 ` Adrian Bunk
2008-09-16 13:54 ` Theodore Tso
2008-09-16 14:02 ` Arjan van de Ven
2008-09-16 14:34 ` Adrian Bunk
2008-09-16 14:48 ` Arjan van de Ven
2008-09-16 15:21 ` Thomas Bogendoerfer
2008-09-16 15:43 ` Adrian Bunk
2008-09-16 14:46 ` Adrian Bunk
2008-09-15 21:11 ` David Miller
2008-09-15 21:24 ` Jeff Garzik
2008-09-15 22:07 ` David Miller
2008-09-15 22:34 ` Jeff Garzik
2008-09-15 22:39 ` David Miller
2008-09-16 2:01 ` Simon Horman
2008-09-20 7:24 ` David Miller
2008-08-27 10:36 Jeff Garzik
2008-08-27 11:29 ` David Miller
2008-06-12 2:30 Jeff Garzik
2008-06-12 3:33 ` David Miller
2008-06-10 23:19 Jeff Garzik
2008-06-10 23:35 ` David Miller
2008-04-04 6:33 Jeff Garzik
2008-04-04 10:37 ` Gilles Espinasse
2008-04-04 19:39 ` David Miller
2008-03-29 2:23 Jeff Garzik
2008-03-29 2:57 ` David Miller
2008-03-26 5:31 Jeff Garzik
2008-03-26 6:09 ` David Miller
2008-03-17 12:23 Jeff Garzik
2008-03-17 19:00 ` David Miller
2008-03-05 12:39 Jeff Garzik
2008-03-05 20:25 ` David Miller
2008-02-20 16:55 Jeff Garzik
2008-02-20 21:15 ` David Miller
2008-02-20 21:23 ` J. Bruce Fields
2008-02-20 21:42 ` David Miller
2008-02-20 22:25 ` J. Bruce Fields
2008-02-20 22:57 ` David Miller
2008-02-20 22:40 ` Francois Romieu
2008-02-20 23:07 ` David Miller
2008-02-24 5:48 ` Jeff Garzik
2008-02-24 5:59 ` David Miller
2008-02-15 16:03 Jeff Garzik
2008-02-16 0:16 ` David Miller
2008-02-16 0:52 ` Jeff Garzik
2008-01-30 9:44 Jeff Garzik
2008-01-30 10:21 ` Sam Ravnborg
2008-01-30 10:38 ` Jeff Garzik
2008-01-30 22:47 ` Francois Romieu
2008-01-31 5:05 ` Sam Ravnborg
2008-01-18 20:17 Jeff Garzik
2008-01-12 23:30 Jeff Garzik
2007-12-23 5:33 Jeff Garzik
2007-12-23 6:27 ` Al Viro
2007-12-23 6:42 ` Jeff Garzik
2007-12-23 7:02 ` Al Viro
2007-12-18 2:01 Jeff Garzik
2007-12-07 20:31 Jeff Garzik
2007-12-04 20:10 Jeff Garzik
2007-12-01 23:37 Jeff Garzik
2007-11-26 16:12 Jeff Garzik
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2007-10-30 18:45 Jeff Garzik
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2007-10-18 1:07 Jeff Garzik
2007-10-03 18:40 Jeff Garzik
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2007-09-28 4:21 Jeff Garzik
2007-09-25 5:08 Jeff Garzik
2007-09-20 19:33 Jeff Garzik
2007-09-13 5:30 Jeff Garzik
2007-09-14 18:13 ` Dan Williams
2007-09-14 18:17 ` Jeff Garzik
2007-09-14 18:31 ` Dan Williams
2007-09-14 19:19 ` Jay Vosburgh
2007-09-14 20:11 ` Dan Williams
2007-09-14 20:39 ` Jay Vosburgh
2007-09-14 21:09 ` Kok, Auke
2007-08-31 18:46 Jeff Garzik
2007-08-25 7:51 Jeff Garzik
2007-08-14 6:10 Jeff Garzik
2007-08-08 0:38 Jeff Garzik
2007-07-30 21:23 Jeff Garzik
2007-07-30 22:36 ` Satyam Sharma
2007-07-30 22:38 ` Jeff Garzik
2007-07-30 22:57 ` Satyam Sharma
2007-08-31 13:10 ` Jeff Garzik
2007-07-02 14:54 Jeff Garzik
2007-07-02 22:13 ` Adrian Bunk
2007-07-02 22:15 ` Stephen Hemminger
2007-06-27 7:34 Jeff Garzik
2007-06-20 23:48 Jeff Garzik
2007-06-13 3:06 Jeff Garzik
2007-06-10 3:31 Jeff Garzik
2007-06-03 16:02 Jeff Garzik
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2007-05-24 22:30 Jeff Garzik
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2007-05-18 1:37 Jeff Garzik
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2007-04-19 19:31 Jeff Garzik
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2007-04-04 4:01 Jeff Garzik
2007-03-29 20:10 Jeff Garzik
2007-03-28 7:31 Jeff Garzik
2007-03-23 6:57 Jeff Garzik
2007-03-23 21:56 ` Guennadi Liakhovetski
2007-03-29 12:25 ` Jeff Garzik
2007-03-30 7:32 ` Guennadi Liakhovetski
2007-03-30 7:46 ` Samuel Ortiz
2007-03-15 19:56 Jeff Garzik
2007-03-09 17:33 Jeff Garzik
2007-03-06 11:48 Jeff Garzik
2007-03-12 10:02 ` Geert Uytterhoeven
2007-03-13 0:02 ` David Miller
2007-03-03 1:37 Jeff Garzik
2007-02-02 13:45 Jeff Garzik
2007-01-30 14:46 Jeff Garzik
2007-01-23 7:12 Jeff Garzik
2007-01-22 18:55 Jeff Garzik
2007-01-22 19:03 ` Auke Kok
2007-01-22 19:20 ` Jeff Garzik
2007-01-22 19:40 ` Auke Kok
2007-01-23 21:30 ` Jeff Garzik
2007-01-08 9:47 Jeff Garzik
2006-12-26 22:46 Jeff Garzik
2007-01-02 2:23 ` Herbert Xu
2006-12-02 4:38 Jeff Garzik
2006-11-10 16:14 Jeff Garzik
2006-11-07 10:41 Jeff Garzik
2006-11-06 8:16 Jeff Garzik
2006-11-01 2:12 Jeff Garzik
2006-10-21 18:38 Jeff Garzik
2006-10-11 9:04 Jeff Garzik
2006-09-22 22:07 Jeff Garzik
2006-09-17 5:07 Jeff Garzik
2006-09-13 16:27 Jeff Garzik
[not found] <20060824045456.GA5883@havoc.gtf.org>
2006-08-24 5:00 ` Greg KH
2006-08-09 6:25 Jeff Garzik
2006-08-09 18:48 ` Greg KH
2006-08-03 21:55 Jeff Garzik
2006-07-29 5:36 Jeff Garzik
2006-07-17 17:36 Jeff Garzik
2006-07-12 23:18 Jeff Garzik
2006-06-08 21:39 Jeff Garzik
2006-05-24 7:04 Jeff Garzik
2006-05-02 19:30 Jeff Garzik
2006-04-26 10:26 Jeff Garzik
2006-04-20 21:46 Jeff Garzik
2006-04-12 22:14 Jeff Garzik
2006-04-12 22:43 ` Kumar Gala
2006-04-12 22:45 ` Jeff Garzik
2006-04-12 22:47 ` Kumar Gala
2006-04-12 23:04 ` Jeff Garzik
2006-03-17 0:30 Jeff Garzik
2006-03-17 0:42 ` Linus Torvalds
2006-03-11 18:40 Jeff Garzik
2006-03-06 19:39 Jeff Garzik
2006-02-28 23:10 Jeff Garzik
2006-02-24 5:22 Jeff Garzik
2006-02-24 7:59 ` Wolfgang Hoffmann
2006-02-24 16:14 ` Stephen Hemminger
2006-02-24 17:28 ` Wolfgang Hoffmann
2006-02-17 21:24 Jeff Garzik
2006-01-28 21:44 Jeff Garzik
2005-12-24 15:14 Jeff Garzik
2005-09-23 23:09 Jeff Garzik
2005-09-22 4:11 Jeff Garzik
2005-09-16 7:38 Jeff Garzik
2005-09-16 21:16 ` Al Boldi
2005-09-14 13:14 Jeff Garzik
2005-09-14 15:38 ` Frank Pavlic
2005-09-14 15:40 ` Jeff Garzik
2005-07-31 23:30 Jeff Garzik
2005-07-31 23:50 ` Linus Torvalds
2005-08-01 4:30 ` Miles Bader
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