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Francois Romieu d78ae2dcc2 r8169: workaround against ignored TxPoll writes (8168) 
The 8168 ignores the requests to fetch the Tx descriptors when
the relevant TxPoll bit is already set. It easily kills the
performances of the 8168. David Gundersen has noticed that it
is enough to wait for the completion of the DMA transfer (NPQ
bit is cleared) before writing the TxPoll register again.

The extra IO traffic added by the proposed workaround could be
minimalized but it is not a high-priority task.

Fix for:
http://bugzilla.kernel.org/show_bug.cgi?id=7924
http://bugzilla.kernel.org/show_bug.cgi?id=8688
(http://bugzilla.kernel.org/show_bug.cgi?id=7555 ?)

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: David Gundersen <gundy@iinet.net.au>
Cc: Edward Hsu <edward_hsu@realtek.com.tw>
2007-09-19 21:52:18 +02:00
..
acorn/char Remove the arm26 port 2007-07-31 15:39:39 -07:00
acpi Pull misc into release branch 2007-09-17 00:28:58 -04:00
amba
ata pata_ali/alim15x3: override 80-wire cable detection for Toshiba S1800-814 2007-09-11 22:28:36 +02:00
atm Add some help texts to recently-introduced kconfig items 2007-08-18 09:52:50 -07:00
auxdisplay cfag12864b fix 2007-08-22 19:52:46 -07:00
base Driver core: fix deprectated sysfs structure for nested class devices 2007-09-19 11:24:18 -07:00
block Fix "Fix DAC960 driver on machines which don't support 64-bit DMA" 2007-09-19 11:24:16 -07:00
bluetooth [Bluetooth] Add missing stat.byte_rx counter modification 2007-09-09 08:39:27 +02:00
cdrom [BLOCK] Get rid of request_queue_t typedef 2007-07-24 09:28:11 +02:00
char intel-agp: Fix i830 mask variable that changed with G33 support 2007-09-19 11:24:18 -07:00
clocksource
connector
cpufreq
crypto Add some help texts to recently-introduced kconfig items 2007-08-18 09:52:50 -07:00
dio
dma [IOAT]: ioatdma needs to to play nice in a multi-dma-client world 2007-08-26 18:35:40 -07:00
edac drivers/edac: fix e752x correct return code 2007-09-11 17:21:19 -07:00
eisa
fc4
firewire firewire: fw-ohci: ignore failure of pci_set_power_state (fix suspend regression) 2007-09-07 18:44:35 +02:00
firmware
hid Add some help texts to recently-introduced kconfig items 2007-08-18 09:52:50 -07:00
hwmon hwmon: End of I/O region off-by-one 2007-09-09 10:38:37 -04:00
i2c i2c-algo-bit: Read block data bugfix 2007-09-09 22:29:14 +02:00
ide ide: remove unused variables from drivers/ide/ppc/pmac.c 2007-09-17 12:35:30 +02:00
ieee1394 ieee1394: sbp2: fix sbp2_remove_device for error cases 2007-08-25 18:00:26 +02:00
infiniband Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband 2007-08-31 20:40:37 -07:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2007-09-12 07:57:00 -07:00
isdn [ISDN]: Get rid of some pointless allocation casts in common and bsd comp. 2007-08-26 18:35:46 -07:00
kvm KVM: MMU: Fix rare oops on guest context switch 2007-09-14 13:59:55 -07:00
leds
lguest lguest: Fix guest crash when CONFIG_X86_USE_3DNOW=y 2007-09-12 12:19:46 -07:00
macintosh [POWERPC] Fix undefined reference to device_power_up/resume 2007-08-25 16:58:27 +10:00
mca
md Fix kernel buuild with (CONFIG_COMPAT && ! CONFIG_BLOCK) 2007-09-14 13:56:47 -07:00
media pci: fix unterminated pci_device_id lists 2007-09-19 11:24:17 -07:00
message Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6 2007-08-06 17:48:34 -07:00
mfd
misc Pull thinkpad into release branch 2007-09-17 00:58:40 -04:00
mmc bug in AT91 MCI suspend routines 2007-09-11 17:21:51 +02:00
mtd pci: fix unterminated pci_device_id lists 2007-09-19 11:24:17 -07:00
net r8169: workaround against ignored TxPoll writes (8168) 2007-09-19 21:52:18 +02:00
nubus
of
oprofile
parisc
parport parport_pc locking fix 2007-07-31 15:39:37 -07:00
pci PCI: unhide SMBus on Compaq Deskpro EP 401963-001 motherboard 2007-09-11 04:22:16 -07:00
pcmcia pcmcia: give socket time to power down 2007-07-31 15:39:38 -07:00
pnp PNP: remove SMCf010 quirk 2007-09-11 17:21:19 -07:00
power
ps3
rapidio
rtc rtc: rtc-ds1553.c should use resource_size_t for base address 2007-09-19 11:24:17 -07:00
s390 Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6 2007-09-11 07:46:09 -07:00
sbus Videopix Frame Grabber: Fix unreleased lock in vfc_debug() 2007-07-31 15:39:43 -07:00
scsi Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6 2007-09-11 07:46:09 -07:00
serial [SUNSAB]: Fix several bugs. 2007-09-17 16:47:07 -07:00
sh
sn
spi spi_mpc83xx: hang fix 2007-09-11 17:21:19 -07:00
tc
telephony
uio
usb Revert "usb-storage: implement autosuspend" 2007-09-13 06:01:24 -07:00
video intelfb: Fix bug in DPLL disable 2007-09-19 11:24:18 -07:00
w1 w1: fix w1_remove_master_device() searching 2007-08-22 19:52:46 -07:00
xen xenbus_xs.c: fix a use-after-free 2007-07-26 11:35:17 -07:00
zorro zorro: Make sysfs config attribute read-only 2007-08-22 19:52:45 -07:00
Kconfig
Makefile [WATCHDOG] Fix pcwd_init_module crash 2007-07-29 18:58:39 +00:00