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We are happy enough that the KMS driver is stable enough for enough people
for the kms enable/disable to leave staging. Distros can now contemplate
turning this on.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This commit adds the vmwgfx driver for the VWware Virtual GPU aka SVGA.
The driver is under staging the same as Nouveau and Radeon KMS. Hopefully
the 2D ioctls are bug free and don't need changing, so that part of the
API should be stable. But there there is a pretty big chance that the 3D API
will change in the future.
Signed-off-by: Thomas Hellström <thellstrom@vmware.com>
Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This adds a drm/kms staging non-API stable driver for GPUs from NVIDIA.
This driver is a KMS-based driver and requires a compatible nouveau
userspace libdrm and nouveau X.org driver.
This driver requires firmware files not available in this kernel tree,
interested parties can find them via the nouveau project git archive.
This driver is reverse engineered, and is in no way supported by nVidia.
Support for nearly the complete range of nvidia hw from nv04->g80 (nv50)
is available, and the kms driver should support driving nearly all
output types (displayport is under development still) along with supporting
suspend/resume.
This work is all from the upstream nouveau project found at
nouveau.freedesktop.org.
The original authors list from nouveau git tree is:
Anssi Hannula <anssi.hannula@iki.fi>
Ben Skeggs <bskeggs@redhat.com>
Francisco Jerez <currojerez@riseup.net>
Maarten Maathuis <madman2003@gmail.com>
Marcin Kościelnicki <koriakin@0x04.net>
Matthew Garrett <mjg@redhat.com>
Matt Parnell <mparnell@gmail.com>
Patrice Mandin <patmandin@gmail.com>
Pekka Paalanen <pq@iki.fi>
Xavier Chantry <shiningxc@gmail.com>
along with project founder Stephane Marchesin <marchesin@icps.u-strasbg.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Remove my mail address.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix some missing author names.
They were accidentally removed by someone within Microsoft before the
files were sent for inclusion in the kernel.
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The flag ENABLE_POLLING is always enabled in original Makefile, but
accidently removed during porting to mainline kernel. The patch fixes
this bug which can cause stalled network communication. Credit needs to
go to Eric Sesterhenn <eric.sesterhenn@lsexperts.de> For pointing out a
typo in the original code as well.
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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driver.
Nearly every invocation of memset in drivers/staging/hv/StorVsc.c has
its arguments the wrong way around.
Signed-off-by: Dave Jones <davej@redhat.com>
Cc: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6:
V4L/DVB (13372): staging/go7007: fix mutex function usage for s2250
staging/go7007: Fix compilation by re-adding the missing s2250-loader.h
V4L/DVB (13530): Fix wrong parameter order in memset
V4L/DVB (13481): sh_mobile_ceu_camera: fix compile warning
V4L/DVB (13436): cxusb: Fix hang on DViCO FusionHDTV DVB-T Dual Digital 4 (rev 1)
V4L/DVB (13412): SMS_SIANO_MDTV should depend on HAS_DMA
V4L/DVB (13372a): MAINTAINERS: addition of gspca_gl860 driver
V4L/DVB (13371): davinci: remove stray duplicate config pointer
V4L/DVB (13366): em28xx: fix Reddo DVB-C USB TV Box GPIO
V4L/DVB (13345): soc-camera: sh_mobile_ceu_camera: call pm_runtime_disable
V4L/DVB (13344): soc-camera: properly initialise the device object when reusing
V4L/DVB (13343): v4l: add more missing linux/sched.h includes
V4L/DVB (13321): radio-gemtek-pci: fix double mutex_lock
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Fix mutex function usage, which was overlooked in a previous patch.
Signed-off-by: Pete Eberlein <pete@sensoray.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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As pointed by Stefan Lippers-Hollmann <s.L-H@gmx.de>,
Commit: fd9a40da1db372833e1af6397d2f6c94ceff3dad broke s2250
compilation.
This patch re-adds the missing s2250-loader.h
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Allocate MAC addresses using the same method as the bootloader. This
avoids changing the MAC between bootloader and kernel operation as
well as avoiding duplicates and use of addresses outside of the
assigned range.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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In addition to being magic numbers, the irq number passed to free_irq
is incorrect. We need to use the correct symbolic value instead.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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These drivers can (erroneously) be enabled even when
CONFIG_NET=n, CONFIG_NETDEVICES=n, CONFIG_WLAN=n, etc.
Stop this.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Change the wireless drivers to depend on CONFIG_WLAN instead of
CONFIG_WLAN_80211 which is going away soon.
Cc: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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It's causing lots of build errors, so just mark it as broken. It is
scheduled to be removed in 2.6.33 anyway.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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It's no longer needed as the p54spi driver is the same thing,
under a different name and in the correct portion of the kernel tree.
Cc: Javier Martinez Canillas <martinez.javier@gmail.com>
Cc: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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On rtl81* additions, they had its wireless stack made builtin instead of
separated modules. But try_module_get/module_put in stack were kept,
they are uneeded with the stack builtin and makes rtl81* modules
impossible to remove on a system with an rtl81* card. request_module
calls are also uneeded with stack builtin, so remove them too.
Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br>
Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch is used to solve the memory bug when people plug out the wusb card then plug in.
Error logs are following:
root@smdk2440:~# ifdown eth1
AP deauthed me, reason=2.
Config_FileOperation file Not exist
Zone=[1][J][P]!!
WPA: Terminating
root@smdk2440:~# ----> !!!!!!!!!!!!!!here plug out the wusbcard
usb 1-1: USB disconnect, address 4
----> !!!!!!!!!!!!!!!!!!!here plug in the wusb card
usb 1-1: new full speed USB device using s3c2410-ohci and address 5
usb 1-1: New USB device found, idVendor=160a, idProduct=3184
usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 1-1: Product: VNT USB-802.11 Wireless LAN Adapter
usb 1-1: Manufacturer: VIA Networking Technologies, Inc.
usb 1-1: configuration #1 chosen from 1 choice
VIA Networking Wireless LAN USB Driver Ver. 1.19_12
Copyright (c) 2004 VIA Networking Technologies, Inc.
kernel BUG at mm/slab.c:2974!
Unable to handle kernel NULL pointer dereference at virtual address 00000000
pgd = c0004000
[00000000] *pgd=00000000
Internal error: Oops: 817 [#1] PREEMPT
Modules linked in: vt6656_stage
CPU: 0 Not tainted (2.6.32-rc2 #14)
PC is at __bug+0x1c/0x28
LR is at __bug+0x18/0x28
pc : [<c002fb10>] lr : [<c002fb0c>] psr: 40000093
sp : c3867c68 ip : c3867bd0 fp : c3866000
r10: c3800600 r9 : c3802430 r8 : 00000004
r7 : c3802428 r6 : c3802660 r5 : c3802420 r4 : a0000013
r3 : 00000000 r2 : c3866000 r1 : 00000003 r0 : 00000024
Flags: nZcv IRQs off FIQs on Mode SVC_32 ISA ARM Segment kernel
Control: 0000717f Table: 330a8000 DAC: 00000017
Process khubd (pid: 152, stack limit = 0xc3866270)
Stack: (0xc3867c68 to 0xc3868000)
7c60: c0093fdc c0094088 000000d0 000000d0 00000000 000080d0
7c80: 00000000 a0000013 c39ebec0 c3800600 000080d0 00000001 c03f13cc 00000006
7ca0: c02b36f0 c0094574 c0043428 0001c9de c39ebec0 c39ebea0 c3000c00 c02a6a84
7cc0: 89705f41 c3000c00 c39ebec0 c39ebea0 c3000c00 bf036f24 c39ebec8 00000006
7ce0: 00000000 c3000c00 c39ebec0 c39ebea0 c3000c00 bf036f24 c39ebec8 00000006
7d00: 00000000 bf003398 c00aa514 c3867d20 0000a1ff c00e1448 c39d9f84 c39aabe8
7d20: c3867d50 c00e1888 c39aabe8 c39ebea0 c39ebec0 bf036ebc c3000c00 bf036f24
7d40: 0000bec8 01000000 00000000 c39ebea0 c39ebec0 bf036ebc c3000c00 bf036f24
7d60: c39ebec8 00000000 00000000 c0223798 c39ebec0 c01daa14 bf036eec c3867da0
7d80: c045a4f8 c01da6e4 c39ebec0 00000000 c01daa14 c39ebec0 c3867da0 c01d9870
7da0: c38331a8 c39fcb94 c005b3b4 c39ebec0 c39ebec0 c39ebef4 00000000 c01da890
7dc0: c39ebec0 c39ebec0 c3000c00 c01d97f4 00000000 c01d8470 c39ebea0 c3000c68
7de0: 00000000 c3000c68 c3218a00 c3abcd20 00000001 c39ebec0 c39ebea0 c3000c00
7e00: 00000000 c3000c68 c3218a00 c3abcd20 00000001 c0221ee8 00000001 00000000
7e20: 00000000 00000000 00001388 00000000 c3000c04 c3000c68 c3bc29c0 00000001
7e40: c3bc29c4 00000001 c03f4af8 00000000 c39fe780 c3000c00 00000001 c045ab04
7e60: c3867eb8 c045a3bc c3000c70 00000000 00000000 c0229238 c3000c68 c0223210
7e80: c3000c00 c045aaf0 c045ab04 c0223230 c3000c68 c01daa14 c045ab04 c01da6e4
7ea0: c3000c68 00000000 c01daa14 c3000c68 c3867eb8 c01d9870 c38331a8 c3862f54
7ec0: c005b3b4 c3000c68 c3000c68 c3000c9c 00000002 c01da890 c3867ef9 c3000c68
7ee0: c3829f60 c01d97f4 00000000 c01d8470 c38918e0 c3aaf468 39383102 c300343a
7f00: 00000001 c0219660 c03f1768 c3000c00 00000000 c3000c68 00000002 c3aaf814
7f20: 00000001 00000101 c38918e0 c021b6e0 00000002 00000000 00000000 c3000c00
7f40: c38917c0 c021c418 00000064 00000064 00000101 c3867f60 c005b920 c3867f94
7f60: c3891830 c3aaf400 c3866000 c3aaf400 c3aaf800 00000000 c38918e0 c3aaf400
7f80: 00000012 00000000 00000000 c3837920 c00574a0 c3867f94 c3867f94 00000101
7fa0: 01010001 c3867fd4 c381bf48 c3867fd4 c381bf48 00000000 c021ba3c 00000000
7fc0: 00000000 00000000 00000000 c00573dc 00000000 00000000 c3867fd8 c3867fd8
7fe0: 00000000 00000000 00000000 00000000 00000000 c002ce88 00000000 ffff0000
[<c002fb10>] (__bug+0x1c/0x28) from [<c0094088>] (cache_alloc_refill+0x13c/0x594)
[<c0094088>] (cache_alloc_refill+0x13c/0x594) from [<c0094574>] (__kmalloc+0x94/0xd0)
[<c0094574>] (__kmalloc+0x94/0xd0) from [<c02a6a84>] (alloc_netdev_mq+0x48/0x1b0)
[<c02a6a84>] (alloc_netdev_mq+0x48/0x1b0) from [<bf003398>] (vntwusb_found1+0x58/0x53c [vt6656_stage])
[<bf003398>] (vntwusb_found1+0x58/0x53c [vt6656_stage]) from [<c0223798>] (usb_probe_interface+0x130/0x180)
[<c0223798>] (usb_probe_interface+0x130/0x180) from [<c01da6e4>] (driver_probe_device+0xac/0x164)
[<c01da6e4>] (driver_probe_device+0xac/0x164) from [<c01d9870>] (bus_for_each_drv+0x50/0x90)
[<c01d9870>] (bus_for_each_drv+0x50/0x90) from [<c01da890>] (device_attach+0x50/0x68)
[<c01da890>] (device_attach+0x50/0x68) from [<c01d97f4>] (bus_probe_device+0x28/0x54)
[<c01d97f4>] (bus_probe_device+0x28/0x54) from [<c01d8470>] (device_add+0x3b4/0x4f0)
[<c01d8470>] (device_add+0x3b4/0x4f0) from [<c0221ee8>] (usb_set_configuration+0x524/0x5b8)
[<c0221ee8>] (usb_set_configuration+0x524/0x5b8) from [<c0229238>] (generic_probe+0x5c/0xa0)
[<c0229238>] (generic_probe+0x5c/0xa0) from [<c0223230>] (usb_probe_device+0x48/0x54)
[<c0223230>] (usb_probe_device+0x48/0x54) from [<c01da6e4>] (driver_probe_device+0xac/0x164)
[<c01da6e4>] (driver_probe_device+0xac/0x164) from [<c01d9870>] (bus_for_each_drv+0x50/0x90)
[<c01d9870>] (bus_for_each_drv+0x50/0x90) from [<c01da890>] (device_attach+0x50/0x68)
[<c01da890>] (device_attach+0x50/0x68) from [<c01d97f4>] (bus_probe_device+0x28/0x54)
[<c01d97f4>] (bus_probe_device+0x28/0x54) from [<c01d8470>] (device_add+0x3b4/0x4f0)
[<c01d8470>] (device_add+0x3b4/0x4f0) from [<c021b6e0>] (usb_new_device+0x100/0x174)
[<c021b6e0>] (usb_new_device+0x100/0x174) from [<c021c418>] (hub_thread+0x9dc/0xeec)
[<c021c418>] (hub_thread+0x9dc/0xeec) from [<c00573dc>] (kthread+0x78/0x80)
[<c00573dc>] (kthread+0x78/0x80) from [<c002ce88>] (kernel_thread_exit+0x0/0x8)
Code: e1a01000 e59f000c eb005014 e3a03000 (e5833000)
---[ end trace 2a51e0dbab9e4fbe ]---
note: khubd[152] exited with preempt_count 1
Signed-off-by: miaofng <miaofng@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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ressource
This patch prevents the driver from calling misc_deregister twice on the same
ressouce when unloading the driver.
Unloading the driver without this patch results in a Kernel BUG like this:
Panel driver version 0.9.5 registered on parport0 (io=0x378).
BUG: unable to handle kernel paging request at 0000000000100108
IP: [<ffffffff803c02ee>] misc_deregister+0x2d/0x90
PGD 6caff067 PUD 762b7067 PMD 0
Oops: 0002 [#1] PREEMPT SMP
last sysfs file: /sys/devices/platform/w83627hf.656/in8_input
...
This patch fixes this issue, although maybe not in the best way possible :)
linux version v2.6.32-rc1 - linus git tree, Di 29. Sep 01:10:18 CEST 2009
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Add missing #includes to make hv module compile successfull.
Signed-off-by: Milan Dadok <milan@dadok.name>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Remove incorrect list_head usage. Variable of type list_head was used in
some function's arguments as list item.
Signed-off-by: Milan Dadok <milan@dadok.name>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix typos in udev event send and guid variables copy
Signed-off-by: Milan Dadok <milan@dadok.name>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix vmbus load hang caused by wrong data packing.
Signed-off-by: Hank Janssen<hjanssen@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix null pointer error after vmbus loading. Remove code that checks for
dev_name, the affected structure is kzalloc-ed prior to this routine, so
it is always null at this stage.
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Update for more items
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Cc: Hank Janssen <hjanssen@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This fixes a panic which is triggered when the hardware "disappears" from
beneath the driver, i.e. when wireless is toggled off via Fn-F2 on various
EeePC models.
Ref. bug report http://bugzilla.kernel.org/show_bug.cgi?id=13390
panic http://bugzilla.kernel.org/attachment.cgi?id=21928
Signed-off-by: Darren Salt <linux@youmustbejoking.demon.co.uk>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch contains more sched.h additions for drivers that built
fine under x86_64 but not i386 for some reason.
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Duh.. we need to preserve the wrap bit when adding.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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add_10bit loses the existing wrap value
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Commit d43c36dc removed sched.h from interrupt.h and distributed sched.h
to users which needed it. This finishes it up for staging.
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit d43c36dc removed sched.h from interrupt.h. This broke the
vme drivers. This patch fixes them.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit d43c36dc removed sched.h from interrupt.h. This broke the
poch driver. This patch fixes this.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit d43c36dc removed sched.h from interrupt.h. This broke the
b3dfg driver. This patch fixes this.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit d43c36dc removed sched.h from interrupt.h. This broke some of
the comedi drivers. This patch fixes this.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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linux/sched.h include was removed form linux/poll.h by
commmit a99bbaf5ee6bad1aca0c88ea65ec6e5373e86184
Required for definition of TASK_INTERRUPTIBLE amongst others
From: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This should fix the problem of comedi drivers showing up on arches that
can not support the comedi subsystem (like s390).
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Cc: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Replaced IRQ_TYPE_EXCLUSIVE with IRQ_TYPE_DYNAMIC_SHARING for pcmcia
drivers.
Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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When reading DO subdevice with inverted outputs invert the values read
back from the ports to match the inversion of values written.
Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Fix insn_bits bitshift calculation for subdevice with non-zero
base_port.
Thanks to cJ-comedi at zougloub dot eu for spotting the bug.
Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Some changes and corrections to handling of
INSN_CONFIG_GPCT_SINGLE_PULSE_GENERATOR, and
INSN_CONFIG_GPCT_PULSE_TRAIN_GENERATOR, so they interpret insn->data[]
as per the comments in the code.
Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Correct operation of INSN_CONFIG_DIO_INPUT and INSN_CONFIG_DIO_OUTPUT
and support INSN_CONFIG_DIO_QUERY. Thanks to Alessio Margan for some
testing.
Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Store PCI device IDs in the board info and use this for matching IDs in
the code instead of using the module device table.
This avoids a "section mismatch" error.
Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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jr3_pci_poll_subdevice().
Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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1. The memory into which we copy 'u1@u2' needs space for u1, @,
u2, and a final \0 which strcat copies in.
2. Strsep changes the value of its first argument. So use a
temporary variable to pass to it, so we pass the original
value to kfree!
3. Allocate an extra char to user_buf, because we need a trailing \0
since we later kstrdup it.
I am about to send out an LTP testcase for this driver, but
in addition the correctness of the hashing can be verified as
follows:
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
int main(int argc, char *argv[])
{
char in[41], out[20];
unsigned int v;
int i, ret;
ret = read(STDIN_FILENO, in, 40);
if (ret != 40)
exit(1);
in[40] = '\0';
for (i = 0; i < 20; i++) {
sscanf(&in[2*i], "%02x", &v);
out[i] = v;
}
write(STDOUT_FILENO, out, 20);
}
as root, to test userid 501 switching to uid 0, choosing
'random' string 'ab':
echo -n "501@0" > plain
openssl sha1 -hmac 'ab' plain |awk '{ print $2 '} > dgst
./unhex < dgst > dgst.u
mknod /dev/caphash 504 0
mknod /dev/capuse 504 1
chmod ugo+w /dev/capuse
cat dgst.u > /dev/caphash
as uid 501,
echo "501@0@ab" > /dev/capuse
id -u # should now show 0.
Signed-off-by: Serge E. Hallyn <serue@us.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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