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broonie@sirena.org.uk 069f825636 natsemi: Fix NAPI for interrupt sharing 
The interrupt status register for the natsemi chips is clear on read and
was read unconditionally from both the interrupt and from the NAPI poll
routine, meaning that if the interrupt service routine was called (for
example, due to a shared interrupt) while a NAPI poll was scheduled
interrupts could be missed.  This patch fixes that by ensuring that the
interrupt status register is only read by the interrupt handler when
interrupts are enabled from the chip.

It also reverts a workaround for this problem from the netpoll hook and
improves the trace for interrupt events.

Thanks to Sergei Shtylyov <sshtylyov@ru.mvista.com> for spotting the
issue, Mark Huth <mhuth@mvista.com> for a simpler method and Simon
Blake <simon@citylink.co.nz> for testing resources.

Signed-Off-By: Mark Brown <broonie@sirena.org.uk>

Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-03-15 10:59:54 -04:00
..
acorn [ARM] Acorn: move the i2c bus driver into drivers/i2c 2007-03-04 20:40:50 +00:00
acpi [PATCH] misc NULL noise 2007-03-14 15:27:49 -07:00
amba
ata [PATCH] trivial ATA iomem annotations 2007-03-14 15:27:50 -07:00
atm [PATCH] zatm __init abuse 2007-03-14 15:27:49 -07:00
auxdisplay [PATCH] cfag12864b: fix crash when built-in and no parport present 2007-02-20 17:10:14 -08:00
base driver core: export device_rename 2007-03-09 15:32:58 -08:00
block [PATCH] paride endianness annotations 2007-03-14 15:27:50 -07:00
bluetooth [Bluetooth] Make use of MODULE_FIRMWARE 2007-02-26 11:42:42 -08:00
cdrom [PATCH] Fix soft lockup with iSeries viocd driver 2007-03-05 07:57:51 -08:00
char Merge master.kernel.org:/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog 2007-03-14 15:28:31 -07:00
clocksource [PATCH] clocksource init adjustments (fix bug #7426) 2007-03-05 07:57:53 -08:00
connector [CONNECTOR]: Bugfix for cn_call_callback() 2007-03-07 16:08:08 -08:00
cpufreq Revert "[CPUFREQ] constify cpufreq_driver where possible." 2007-02-26 14:55:48 -08:00
crypto [PATCH] geode-aes: use unsigned long for spin_lock_irqsave 2007-03-06 09:30:25 -08:00
dio
dma
edac [PATCH] EDAC: Add Fully-Buffered DIMM APIs to core 2007-02-12 09:48:32 -08:00
eisa
fc4 [PATCH] remove many unneeded #includes of sched.h 2007-02-14 08:09:54 -08:00
firmware [PATCH] docbook: add edd firmware interfaces 2007-02-11 10:51:32 -08:00
hid [PATCH] hid-core endianness annotations 2007-03-14 15:27:50 -07:00
hwmon hwmon/vt1211: Add probing of alternate config index port 2007-02-14 21:15:05 +01:00
i2c [ARM] Acorn: move the i2c bus driver into drivers/i2c 2007-03-04 20:40:50 +00:00
ide [PATCH] BLK_DEV_IDE_CELLEB dependency fix 2007-03-14 15:27:49 -07:00
ieee1394 Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial 2007-02-19 13:29:02 -08:00
infiniband [PATCH] fix ipath_dma_free_coherent() prototype 2007-03-14 15:27:49 -07:00
input Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/dtor/input 2007-03-08 07:28:30 -08:00
isdn [PATCH] Fix buffer overflow and races in capi debug functions 2007-03-01 14:53:39 -08:00
kvm KVM: Move kvmfs magic number to <linux/magic.h> 2007-03-04 11:12:43 +02:00
leds leds: Add support for Cobalt Server front LED 2007-02-15 21:37:29 +00:00
macintosh backlight: Separate backlight properties from backlight ops pointers 2007-02-20 09:26:53 +00:00
mca
md [PATCH] md: fix for raid6 reshape 2007-03-05 07:57:53 -08:00
media [PATCH] misc NULL noise 2007-03-14 15:27:49 -07:00
message [PATCH] remove many unneeded #includes of sched.h 2007-02-14 08:09:54 -08:00
mfd [PATCH] drivers/mfd/sm501.c: Replace pci_module_init with pci_register_driver 2007-02-26 12:35:47 -08:00
misc asus-laptop: make code static 2007-03-09 21:06:40 -05:00
mmc [ARM] 4256/1: i.MX/MX1 SDHC fix/workaround of SD card recognition problems 2007-03-12 16:49:37 +00:00
mtd [MTD] [OneNAND] Classify the page data and oob buffer 2007-03-09 08:08:09 +00:00
net natsemi: Fix NAPI for interrupt sharing 2007-03-15 10:59:54 -04:00
nubus
oprofile [PATCH] mark struct file_operations const 5 2007-02-12 09:48:45 -08:00
parisc Merge master.kernel.org:/pub/scm/linux/kernel/git/kyle/parisc-2.6 2007-02-26 12:48:06 -08:00
parport [PATCH] parport_pc: fix parport_pc_probe_port section warning 2007-02-20 17:10:16 -08:00
pci [PATCH] pci: Repair pci_save/restore_state so we can restore one save many times. 2007-03-12 16:31:50 -07:00
pcmcia Driver core: more fallout from class_device changes for pcmcia 2007-02-23 14:52:09 -08:00
pnp ACPI: fix parallel port IRQ after resume from S3 2007-03-08 23:29:29 -05:00
ps3 [PATCH] C99 initializers, proper use of const in drivers/ps3 2007-03-14 15:27:50 -07:00
rapidio [PATCH] remove many unneeded #includes of sched.h 2007-02-14 08:09:54 -08:00
rtc [ARM] rtc-pcf8583: Final fixes for this RTC on RiscPC 2007-03-04 20:33:07 +00:00
s390 [PATCH] qeth gfp_t annotations 2007-03-14 15:27:50 -07:00
sbus [SPARC] uctrl: Check request_irq() return value. 2007-02-26 11:35:51 -08:00
scsi [ARM] ARM SCSI: Don't try to dma_map_sg too many scatterlist entries 2007-03-04 20:33:31 +00:00
serial [PATCH] 2.6 Altix: console fix for CONFIG_DEBUG_SHIRQ usage 2007-03-08 07:39:15 -08:00
sh
sn [PATCH] IOC3/IOC4: PCI mem space resources 2007-02-11 10:51:25 -08:00
spi [PATCH] spi_s3c2410_gpio.c spi mode 2 and 3 support 2007-02-20 17:10:16 -08:00
tc [PATCH] remove many unneeded #includes of sched.h 2007-02-14 08:09:54 -08:00
telephony [PATCH] remove many unneeded #includes of sched.h 2007-02-14 08:09:54 -08:00
usb Revert "USB: pxa2xx_udc: fix hardcoded irq number" 2007-03-10 14:22:07 -08:00
video [PATCH] misc NULL noise 2007-03-14 15:27:49 -07:00
w1 [PATCH] w1: Use ARRAY_SIZE macro when appropriate 2007-02-12 09:48:28 -08:00
zorro [PATCH] mark struct file_operations const 6 2007-02-12 09:48:45 -08:00
Kconfig [PATCH] drivers: add LCD support 2007-02-11 10:51:24 -08:00
Makefile [PATCH] drivers: add LCD support 2007-02-11 10:51:24 -08:00