linux/drivers
Timur Tabi 59f647c25a fsldma: remove internal self-test from Freescale Elo DMA driver
The Freescale Elo DMA driver runs an internal self-test before registering
the channels with the DMA engine.  This self-test has a fundemental flaw in
that it calls the DMA engine's callback functions directly before the
registration.  However, the registration initializes some variables that the
callback functions uses, namely the device struct.

The code works today because there are two device structs: the one created
by the DMA engine, and one created by the Open Firmware (OF) subsystem.  The
self-test currently uses the device struct created by OF.  However, in the
future, some of the device structs created by OF will be eliminated.
This means that the self-test will only have access to the device struct
created by the DMA engine.  But this device struct isn't initialized when
the self-test runs, and this causes a kernel panic.

Since there is already a DMA test module (dmatest), the internal self-test
code is not useful anyway.  It is extremely unlikely that the test will fail
in normal usage.  It may have been helpful during development, but not any more.

Cc: Kumar Gala <galak@kernel.crashing.org>
Cc: Li Yang <leoli@freescale.com>
Cc: Scott Wood <scottwood@freescale.com>
Signed-off-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
2008-09-23 15:55:56 -07:00
..
accessibility
acpi Merge branches 'smbus' and 'fujitsu-fix' into release-2.6.27 2008-09-04 14:33:03 +02:00
amba
ata sata_inic162x: enable LED blinking 2008-09-13 16:43:20 -04:00
atm removed unused #include <linux/version.h>'s 2008-08-23 12:14:12 -07:00
auxdisplay auxdisplay: small cleanups 2008-07-24 10:47:41 -07:00
base PM: Remove WARN_ON from device_pm_add 2008-08-21 10:15:37 -07:00
block Revert "pktcdvd: push BKL down into driver" 2008-08-27 13:42:00 -07:00
bluetooth [Bluetooth] Consolidate maintainers information 2008-08-18 13:23:53 +02:00
cdrom cdrom: handle TOC 2008-08-18 21:40:04 +02:00
char drivers/char/random.c: fix a race which can lead to a bogus BUG() 2008-09-02 19:21:40 -07:00
clocksource clocksource, acpi_pm.c: check for monotonicity 2008-09-06 15:33:33 +02:00
connector
cpufreq [CPUFREQ] Fix -Wshadow warning in conservative governor. 2008-08-08 16:00:48 -04:00
cpuidle cpuidle: Make ladder governor honor latency requirements fully 2008-08-15 21:25:35 +02:00
crypto crypto: padlock - fix VIA PadLock instruction usage with irq_ts_save/restore() 2008-08-13 22:02:26 +10:00
dca Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx 2008-07-23 12:03:18 -07:00
dio dio: use dio_match_device() in dio_bus_match() 2008-07-20 17:24:40 -07:00
dma fsldma: remove internal self-test from Freescale Elo DMA driver 2008-09-23 15:55:56 -07:00
edac removed unused #include <linux/version.h>'s 2008-08-23 12:14:12 -07:00
eisa driver core: remove DEVICE_NAME_SIZE define 2008-07-21 21:54:53 -07:00
firewire firewire: Kconfig help update 2008-08-19 18:47:56 +02:00
firmware ibft: fix target info parsing in ibft module 2008-09-02 19:21:40 -07:00
gpio gpio: max732x driver 2008-07-25 10:53:30 -07:00
gpu drm/radeon: downgrade debug message from info to debug. 2008-09-01 08:51:52 +10:00
hid Input: bcm5974 - add driver for Macbook Air and Pro Penryn touchpads 2008-08-08 16:23:01 -04:00
hwmon hwmon-vid: Fix AMD K8 VID decoding 2008-08-15 11:50:15 -07:00
i2c Merge branch 'sh/for-2.6.27' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 2008-09-05 14:30:58 -07:00
ide Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block 2008-09-11 08:42:55 -07:00
ieee1394 ieee1394: sbp2: let nodemgr retry node updates during bus reset series 2008-08-19 18:47:56 +02:00
infiniband IB/mlx4: Actually return L_Key and R_Key for fast register MRs 2008-08-27 14:40:38 -07:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2008-09-06 21:47:30 -07:00
isdn Add DIP switch readout for HFC-4S IOB4ST 2008-08-02 16:40:37 +02:00
leds [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach 2008-08-07 09:55:48 +01:00
lguest lguest: update commentry 2008-08-26 00:19:28 +10:00
macintosh remove unnecessary <linux/hdreg.h> includes 2008-08-05 18:16:58 +02:00
mca driver core: remove DEVICE_NAME_SIZE define 2008-07-21 21:54:53 -07:00
md Fix problem with waiting while holding rcu read lock in md/bitmap.c 2008-09-01 12:48:13 +10:00
media VIDEO_SH_MOBILE_CEU should depend on HAS_DMA 2008-09-10 14:15:29 -07:00
memstick memstick: fix MSProHG 8-bit interface mode support 2008-09-13 14:41:52 -07:00
message Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6 2008-07-27 10:04:52 -07:00
mfd removed unused #include <linux/version.h>'s 2008-08-23 12:14:12 -07:00
misc ia64: fix panic during `modprobe -r xpc' 2008-09-13 14:41:52 -07:00
mmc drivers/mmc/card/block.c: fix refcount leak in mmc_block_open() 2008-09-05 14:39:38 -07:00
mtd [MTD] [NAND] tmio_nand: fix base address programming 2008-09-05 15:34:35 +01:00
net niu: panic on reset 2008-09-12 16:04:26 -07:00
nubus
of powerpc/ibmebus: Restore "name" sysfs attribute on ibmebus devices 2008-08-20 09:50:21 +10:00
oprofile powerpc/cell/oprofile: Avoid double vfree of profile buffer 2008-08-26 10:24:46 +10:00
parisc
parport make parport_cs_release() static 2008-07-26 12:00:11 -07:00
pci Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6 2008-09-13 14:47:33 -07:00
pcmcia [ARM] 5245/1: Fix warning about unused return value in drivers/pcmcia 2008-09-13 20:07:42 +01:00
pnp PNPACPI: ignore the producer/consumer bit for extended IRQ descriptors 2008-08-25 12:04:44 +02:00
power [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach 2008-08-07 09:55:48 +01:00
ps3
rapidio
regulator regulator: TI bq24022 Li-Ion Charger driver 2008-07-30 10:10:23 +01:00
rtc rtc-cmos: wake again from S5 2008-09-02 19:21:40 -07:00
s390 Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6 2008-09-11 08:41:17 -07:00
sbus sparc/drivers: use linux/of_device.h instead of asm/of_device.h 2008-08-11 14:30:53 -07:00
scsi Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block 2008-09-11 08:42:55 -07:00
serial Merge branch 'for-rmk' of git://pasiphae.extern.pengutronix.de/git/imx/linux-2.6.git 2008-09-13 20:11:15 +01:00
sh sh: Fix up broken kerneldoc comments. 2008-08-04 12:51:06 +09:00
sn
spi spi_s3c24xx: fix section warning 2008-09-13 14:41:52 -07:00
ssb ssb: allow compilation on systems without PCI 2008-08-18 11:05:13 -04:00
tc
telephony ixj: push BKL into driver and wrap ioctls 2008-07-25 10:53:43 -07:00
thermal
uio UIO: generic irq handling for some uio platform devices 2008-08-21 10:15:39 -07:00
usb Merge master.kernel.org:/home/rmk/linux-2.6-arm 2008-09-08 15:50:19 -07:00
video atmel_lcdfb: disable LCD and DMA engines when suspending 2008-09-13 14:41:52 -07:00
virtio virtio_balloon: fix towards_target when deflating balloon 2008-08-26 00:19:25 +10:00
w1
watchdog [WATCHDOG] removed unused #include <version.h> 2008-08-26 20:32:02 +00:00
xen xen: fix 2.6.27-rc5 xen balloon driver warnings 2008-09-08 20:21:15 +02:00
zorro move memory_read_from_buffer() from fs.h to string.h 2008-07-24 10:47:13 -07:00
Kconfig
Makefile USB: Add MUSB and TUSB support 2008-08-13 17:33:00 -07:00