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Saeed Bishara ff7b04796d dmaengine: DMA engine driver for Marvell XOR engine 
The XOR engine found in Marvell's SoCs and system controllers
provides XOR and DMA operation, iSCSI CRC32C calculation, memory
initialization, and memory ECC error cleanup operation support.

This driver implements the DMA engine API and supports the following
capabilities:
- memcpy
- xor
- memset

The XOR engine can be used by DMA engine clients implemented in the
kernel, one of those clients is the RAID module.  In that case, I
observed 20% improvement in the raid5 write throughput, and 40%
decrease in the CPU utilization when doing array construction, those
results obtained on an 5182 running at 500Mhz.

When enabling the NET DMA client, the performance decreased, so
meanwhile it is recommended to keep this client off.

Signed-off-by: Saeed Bishara <saeed@marvell.com>
Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>
Acked-by: Maciej Sosnowski <maciej.sosnowski@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2008-07-08 11:58:36 -07:00
..
accessibility Kconfig: improved help for CONFIG_ACCESSIBILITY 2008-05-08 10:46:55 -07:00
acorn/char
acpi acpi: fix integer as NULL pointer warning 2008-05-23 08:11:06 -07:00
amba
ata drivers/ata: trim trailing whitespace 2008-05-19 17:56:10 -04:00
atm drivers/atm/: remove CVS keywords 2008-05-20 14:52:25 -07:00
auxdisplay
base Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-05-20 17:23:03 -07:00
block brd: don't show ramdisks in /proc/partitions 2008-05-24 09:56:11 -07:00
bluetooth hci_usb.h: fix hard-to-trigger race 2008-05-02 16:45:10 -07:00
cdrom [POWERPC] iSeries: Remove unused mail address 2008-05-23 16:45:04 +10:00
char ip2: fix crashes on load/unload 2008-05-24 09:56:11 -07:00
clocksource
connector
cpufreq [CPUFREQ] clarify license of freq_table.c 2008-05-22 16:38:03 -04:00
cpuidle
crypto
dca
dio
dma dmaengine: DMA engine driver for Marvell XOR engine 2008-07-08 11:58:36 -07:00
edac edac: mpc85xx: fix building as a module 2008-05-24 09:56:13 -07:00
eisa
firewire firewire: prevent userspace from accessing shut down devices 2008-05-20 18:24:17 +02:00
firmware edd: add default mode CONFIG_EDD_OFF=n, override with edd={on,off} 2008-04-29 08:06:23 -07:00
gpio gpiolib: fix off by one errors 2008-05-24 09:56:11 -07:00
hid HID: remove CVS keywords 2008-05-20 16:44:43 +02:00
hwmon ibmaem: new driver for power/energy/temp meters in IBM System X hardware 2008-05-24 09:56:08 -07:00
i2c i2c/max6875: Really prevent 24RF08 corruption 2008-05-18 20:49:41 +02:00
ide ide: fix race in device_create 2008-05-20 13:31:54 -07:00
ieee1394 ieee1394: sbp2: use correct size of command descriptor block 2008-05-20 18:24:17 +02:00
infiniband Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband 2008-05-23 11:11:44 -07:00
input MODULE_LICENSE expects "GPL v2", not "GPLv2" 2008-05-21 16:56:00 -07:00
isdn isdn: fix integer as NULL pointer warning 2008-05-23 08:11:06 -07:00
leds LEDS: fix race in device_create 2008-05-20 13:31:55 -07:00
lguest lguest: make Launcher see device status updates 2008-05-02 21:50:54 +10:00
macintosh [POWERPC] macintosh: Replace deprecated __initcall with device_initcall 2008-05-15 20:50:00 +10:00
mca proc: remove proc_root from drivers 2008-04-29 08:06:18 -07:00
md md: restart recovery cleanly after device failure. 2008-05-24 09:56:10 -07:00
media tuner: Do not alter i2c_client.name 2008-05-26 16:08:40 +02:00
memstick
message Remove duplicated unlikely() in IS_ERR() 2008-04-29 08:06:25 -07:00
mfd HTC_EGPIO is ARM-only 2008-05-21 16:56:00 -07:00
misc drivers/misc/sgi-xp: replace partid_t with a short 2008-05-13 08:02:23 -07:00
mmc missing dependencies on HAS_DMA 2008-05-21 16:55:59 -07:00
mtd ck804rom: fix driver_data in probe table. 2008-05-27 07:34:38 -07:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-05-26 10:14:02 -07:00
nubus proc: convert /proc/bus/nubus to seq_file interface 2008-04-29 08:06:19 -07:00
of [POWERPC] Add null pointer check to of_find_property 2008-05-15 20:49:49 +10:00
oprofile oprofile: don't request cache line alignment for cpu_buffer 2008-05-14 19:11:12 -07:00
parisc drivers/parisc: replace remaining __FUNCTION__ occurrences 2008-05-15 10:38:54 -04:00
parport debugobjects: add timer specific object debugging code 2008-04-30 08:29:53 -07:00
pci pciehp: add message about pciehp_slot_with_bus option 2008-05-27 15:43:47 -07:00
pcmcia pcmcia: replace remaining __FUNCTION__ occurrences 2008-05-01 08:04:00 -07:00
pnp Clean up 'print_fn_descriptor_symbol()' types 2008-05-15 17:50:37 -07:00
power Power Supply: fix race in device_create 2008-05-20 13:31:55 -07:00
ps3 [POWERPC] PS3: Remove unsupported wakeup sources 2008-05-02 15:00:44 +10:00
rapidio [RAPIDIO] Auto-probe the RapidIO system size 2008-04-29 19:40:28 +10:00
rtc rtc: m41t80: include <linux/kernel.h> for printk() 2008-05-13 08:02:26 -07:00
s390 s390: fix race in device_create 2008-05-20 13:31:56 -07:00
sbus sbus bpp: instances missed in s/dev_name/bpp_dev_name/ 2008-05-21 16:55:59 -07:00
scsi scsi: fix integer as NULL pointer warning 2008-05-23 08:11:07 -07:00
serial serial: fix enable_irq_wake/disable_irq_wake imbalance in serial_core.c 2008-05-24 09:56:11 -07:00
sh
sn
spi spi: remove some spidev oops-on-rmmod paths 2008-05-24 09:56:14 -07:00
ssb
tc
telephony
thermal thermal: re-name thermal.c to thermal_sys.c 2008-04-29 03:12:17 -04:00
uio UIO: fix race in device_create 2008-05-20 13:31:55 -07:00
usb Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6 2008-05-20 17:20:49 -07:00
video Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm 2008-05-24 10:13:16 -07:00
virtio virtio: explicit advertisement of driver features 2008-05-02 21:50:50 +10:00
w1 drivers: replace remaining __FUNCTION__ occurrences 2008-04-30 08:29:53 -07:00
watchdog [WATCHDOG] Add ICH9DO into the iTCO_wdt.c driver 2008-05-25 09:45:39 +00:00
xen xen: add balloon driver 2008-04-24 23:57:33 +02:00
zorro zorro: use non-racy method for proc entries creation 2008-04-29 08:06:21 -07:00
Kconfig Basic braille screen reader support 2008-04-30 08:29:52 -07:00
Makefile Basic braille screen reader support 2008-04-30 08:29:52 -07:00