| Commit message (Collapse) | Author | Age |
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All these files use the big kernel lock in a trivial
way to serialize their private file operations,
typically resulting from an earlier semi-automatic
pushdown from VFS.
None of these drivers appears to want to lock against
other code, and they all use the BKL as the top-level
lock in their file operations, meaning that there
is no lock-order inversion problem.
Consequently, we can remove the BKL completely,
replacing it with a per-file mutex in every case.
Using a scripted approach means we can avoid
typos.
file=$1
name=$2
if grep -q lock_kernel ${file} ; then
if grep -q 'include.*linux.mutex.h' ${file} ; then
sed -i '/include.*<linux\/smp_lock.h>/d' ${file}
else
sed -i 's/include.*<linux\/smp_lock.h>.*$/include <linux\/mutex.h>/g' ${file}
fi
sed -i ${file} \
-e "/^#include.*linux.mutex.h/,$ {
1,/^\(static\|int\|long\)/ {
/^\(static\|int\|long\)/istatic DEFINE_MUTEX(${name}_mutex);
} }" \
-e "s/\(un\)*lock_kernel\>[ ]*()/mutex_\1lock(\&${name}_mutex)/g" \
-e '/[ ]*cycle_kernel_lock();/d'
else
sed -i -e '/include.*\<smp_lock.h\>/d' ${file} \
-e '/cycle_kernel_lock()/d'
fi
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
wimax/i2400m: fix missing endian correction read in fw loader
net8139: fix a race at the end of NAPI
pktgen: Fix accuracy of inter-packet delay.
pkt_sched: gen_estimator: add a new lock
net: deliver skbs on inactive slaves to exact matches
ipv6: fix ICMP6_MIB_OUTERRORS
r8169: fix mdio_read and update mdio_write according to hw specs
gianfar: Revive the driver for eTSEC devices (disable timestamping)
caif: fix a couple range checks
phylib: Add support for the LXT973 phy.
net: Print num_rx_queues imbalance warning only when there are allocated queues
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git://git.kernel.org/pub/scm/linux/kernel/git/inaky/wimax
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i2400m_fw_hdr_check() was accessing hardware field
bcf_hdr->module_type (little endian 32) without converting to host
byte sex.
Reported-by: Данилин Михаил <mdanilin@nsg.net.ru>
Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com>
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fix a race at the end of NAPI complete processing, it had
better do __napi_complete() first before re-enable interrupt.
Signed-off-by:Figo.zhang <figo1802@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Realtek confirmed that a 20us delay is needed after mdio_read and
mdio_write operations. Reduce the delay in mdio_write, and add it
to mdio_read too. Also add a comment that the 20us is from hw specs.
Signed-off-by: Timo Teräs <timo.teras@iki.fi>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since commit cc772ab7cdcaa24d1fae332d92a1602788644f7a ("gianfar: Add
hardware RX timestamping support"), the driver no longer works on
at least MPC8313ERDB and MPC8568EMDS boards (and possibly much more
boards as well).
That's how MPC8313 Reference Manual describes RCTRL_TS_ENABLE bit:
Timestamp incoming packets as padding bytes. PAL field is set
to 8 if the PAL field is programmed to less than 8. Must be set
to zero if TMR_CTRL[TE]=0.
I see that the commit above sets this bit, but it doesn't handle
TMR_CTRL. Manfred probably had this bit set by the firmware for
his boards. But obviously this isn't true for all boards in the
wild.
Also, I recall that Freescale BSPs were explicitly disabling the
timestamping because of a performance drop.
For now, the best way to deal with this is just disable the
timestamping, and later we can discuss proper device tree bindings
and implement enabling this feature via some property.
Signed-off-by: Anton Vorontsov <avorontsov@mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch implements a work around for Erratum 5, "3.3 V Fiber Speed
Selection." If the hardware wiring does not respect this erratum, then
fiber optic mode will not work properly.
Signed-off-by: Richard Cochran <richard.cochran@omicron.at>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6:
PCI: clear bridge resource range if BIOS assigned bad one
PCI: hotplug/cpqphp, fix NULL dereference
Revert "PCI: create function symlinks in /sys/bus/pci/slots/N/"
PCI: change resource collision messages from KERN_ERR to KERN_INFO
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There are devices out there which are PCI Hot-plug controllers with
compaq PCI IDs, but are not bridges, hence have pdev->subordinate
NULL. But cpqphp expects the pointer to be non-NULL.
Add a check to the probe function to avoid oopses like:
BUG: unable to handle kernel NULL pointer dereference at 00000050
IP: [<f82e3c41>] cpqhpc_probe+0x951/0x1120 [cpqphp]
*pdpt = 0000000033779001 *pde = 0000000000000000
...
The device here was:
00:0b.0 PCI Hot-plug controller [0804]: Compaq Computer Corporation PCI Hotplug Controller [0e11:a0f7] (rev 11)
Subsystem: Compaq Computer Corporation Device [0e11:a2f8]
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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This reverts commit 75568f8094eb0333e9c2109b23cbc8b82d318a3c.
Since they're just a convenience anyway, remove these symlinks since
they're causing duplicate filename errors in the wild.
Acked-by: Alex Chiang <achiang@canonical.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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We can often deal with PCI resource issues by moving devices around. In
that case, there's no point in alarming the user with messages like these.
There are many bug reports where the message itself is the only problem,
e.g., https://bugs.launchpad.net/ubuntu/+source/linux/+bug/413419 .
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6
* 'urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6:
pcmcia: avoid validate_cis failure on CIS override
pcmcia: dev_node removal bugfix
pcmcia: yenta_socket.c Remove extra #ifdef CONFIG_YENTA_TI
pcmcia: only keep saved I365_CSCINT flag if there is no PCI irq
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Commit a8408c17 introduced a new check to pccard_validate_cis(),
which avoids any "late" calls to this function. This broke the
insertion of cards which require a CIS override which changes
the number of card functions. Fix this by asserting that this
is _not_ a late call, but a proper call early during the card
insertion process.
Fixes https://bugzilla.kernel.org/show_bug.cgi?id=16138
Reported-by: Mikulas Patocka <mpatocka@redhat.com>
CC: <stable@kernel.org>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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Patch c7c2fa07 removed one line too much from smc91c92_cs.c.
Reported-by: Komuro <komurojun-mbn@nifty.com>
CC: netdev@vger.kernel.org
CC: linux-wireless@vger.kernel.org
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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Seems pointless to have two #ifdef's with the same
CONFIG_YENTA_TI. Remove the extra one and
move CARDBUS_TYPE_ENE with the others.
[linux@dominikbrodowski.net: spelling & whitespace fixes]
Signed-off-by: Justin P. Mattock <justinmattock@gmail.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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Keeping the saved I365_CSCINT flag around breaks PCMCIA on some system,
and is only needed on a few systems to get PCMCIA to work. This patch
allows PCMCIA to work on both types, and it fixes
https://bugzilla.kernel.org/show_bug.cgi?id=16015
Reported-by: Justin P. Mattock <justinmattock@gmail.com>
CC: <stable@kernel.org>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
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The data in the cmd_block buffers may reach the main memory after the
writel() to the device ports. This patch introduces two calls to wmb()
to ensure the relative ordering.
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Colin Tuckley <colin.tuckley@arm.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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cb->atapi.cdb is an array of 16 u8 elements. The call too memset()
would set the first part of the sge array to zero as well. It's not
a packed struct.
This one has been around for five years. I found it with Smatch. I
think the reason no one has seen it before is because we normally call
sil24_fill_sg() and that overwrites sge with proper information?
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (21 commits)
mac80211: fix deauth before assoc
iwlwifi: add missing rcu_read_lock
mac80211: fix function pointer check
wireless: remove my name from the maintainer list
ath5k: fix NULL pointer in antenna configuration
p54usb: Add device ID for Dell WLA3310 USB
wl1251: fix a memory leak in probe
ipmr: dont corrupt lists
8139too: fix buffer overrun in rtl8139_init_board
asix: check packet size against mtu+ETH_HLEN instead of ETH_FRAME_LEN
r8169: fix random mdio_write failures
ip6mr: fix a typo in ip6mr_for_each_table()
iwlwifi: move sysfs_create_group to post request firmware
iwlwifi: add name to Maintainers list
iwl3945: fix internal scan
iwl3945: enable stuck queue detection on 3945
ipv6: avoid high order allocations
ath5k: retain promiscuous setting
ath5k: depend on CONFIG_PM_SLEEP for suspend/resume functions
mac80211: process station blockack action frames from work
...
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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Using ieee80211_find_sta() needs to be under
RCU read lock, which iwlwifi currently misses,
so fix it.
Cc: stable@kernel.org
Reported-by: Miles Lane <miles.lane@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Reinette Chatre <reinette.chatre@intel.com>
Tested-by: Miles Lane <miles.lane@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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If the channel is not set yet and we configure the antennas just store the
setting. It will be activated during the next reset, when the channel is set.
Signed-off-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Add Dell WLA3310 USB wireless card, which has a Z-Com XG-705A chipset, to the
USB Ids in p54usb.
Signed-off-by: Jason Dravet <dravet@hotmail.com>
Tested-by: Richard Gregory Tillmore <rtillmore@gmail.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Acked-by: Christian Lamparter <chunkeey@googlemail.com>
Cc: <stable@kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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wl1251_sdio_probe() error path is missing wl1251_free_hw, add it.
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Acked-by: Kalle Valo <kvalo@adurom.com>
Cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Move the sysfs_create_group to iwl_ucode_callback after we
have safely got the firmware.
The motivation to do this comes from a warning from lockdep which detected
that we request priv->mutex while holding s_active during a sysfs request
(show_statistics in the example copy pasted). The reverse order exists upon
request_firmware: request_firmware which is a sysfs operation
that requires s_active is run under priv->mutex.
This ensures that we don't get sysfs request before we finish to request
the firmware, avoiding this deadlock.
=======================================================
[ INFO: possible circular locking dependency detected ]
-------------------------------------------------------
cat/2595 is trying to acquire lock:
(&priv->mutex){+.+.+.}, at: [<facfa598>] show_statistics+0x48/0x100 [iwlagn]
but task is already holding lock:
(s_active){++++.+}, at: [<c0580ebd>] sysfs_get_active_two+0x1d/0x50
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (s_active){++++.+}:
[<c0489b74>] __lock_acquire+0xc44/0x1230
[<c048a1ed>] lock_acquire+0x8d/0x110
[<c0581499>] sysfs_addrm_finish+0xe9/0x180
[<c057f64a>] sysfs_hash_and_remove+0x4a/0x80
[<c05829d4>] sysfs_remove_group+0x44/0xd0
[<c0714b75>] dpm_sysfs_remove+0x15/0x20
[<c070dac8>] device_del+0x38/0x170
[<c070dc1e>] device_unregister+0x1e/0x60
[<c071838d>] _request_firmware+0x29d/0x550
[<c07186c7>] request_firmware+0x17/0x20
[<fad01bf1>] iwl_mac_start+0xb1/0x1230 [iwlagn]
[<fa46ba06>] ieee80211_open+0x436/0x6f0 [mac80211]
[<c0808cd2>] dev_open+0x92/0xf0
[<c0808b2b>] dev_change_flags+0x7b/0x190
[<c08148e8>] do_setlink+0x178/0x3b0
[<c0815169>] rtnl_setlink+0xf9/0x130
[<c081453b>] rtnetlink_rcv_msg+0x1bb/0x1f0
[<c0827ce6>] netlink_rcv_skb+0x86/0xa0
[<c081436c>] rtnetlink_rcv+0x1c/0x30
[<c08279c3>] netlink_unicast+0x263/0x290
[<c0828768>] netlink_sendmsg+0x1c8/0x2a0
[<c07f85fd>] sock_sendmsg+0xcd/0x100
[<c07f964d>] sys_sendmsg+0x15d/0x290
[<c07f9e6b>] sys_socketcall+0xeb/0x2a0
[<c040ad9f>] sysenter_do_call+0x12/0x38
-> #0 (&priv->mutex){+.+.+.}:
[<c0489f84>] __lock_acquire+0x1054/0x1230
[<c048a1ed>] lock_acquire+0x8d/0x110
[<c08bb358>] __mutex_lock_common+0x58/0x470
[<c08bb84a>] mutex_lock_nested+0x3a/0x50
[<facfa598>] show_statistics+0x48/0x100 [iwlagn]
[<c070d219>] dev_attr_show+0x29/0x50
[<c057fecd>] sysfs_read_file+0xdd/0x190
[<c052880f>] vfs_read+0x9f/0x190
[<c0528d22>] sys_read+0x42/0x70
[<c040ad9f>] sysenter_do_call+0x12/0x38
other info that might help us debug this:
3 locks held by cat/2595:
#0: (&buffer->mutex){+.+.+.}, at: [<c057fe25>] sysfs_read_file+0x35/0x190
#1: (s_active){++++.+}, at: [<c0580ecd>] sysfs_get_active_two+0x2d/0x50
#2: (s_active){++++.+}, at: [<c0580ebd>] sysfs_get_active_two+0x1d/0x50
stack backtrace:
Pid: 2595, comm: cat Not tainted 2.6.33-tp-rc4 #2
Call Trace:
[<c08b99ab>] ? printk+0x1d/0x22
[<c0487752>] print_circular_bug+0xc2/0xd0
[<c0489f84>] __lock_acquire+0x1054/0x1230
[<c0478d81>] ? sched_clock_cpu+0x121/0x180
[<c048a1ed>] lock_acquire+0x8d/0x110
[<facfa598>] ? show_statistics+0x48/0x100 [iwlagn]
[<c08bb358>] __mutex_lock_common+0x58/0x470
[<facfa598>] ? show_statistics+0x48/0x100 [iwlagn]
[<c08bb84a>] mutex_lock_nested+0x3a/0x50
[<facfa598>] ? show_statistics+0x48/0x100 [iwlagn]
[<facfa598>] show_statistics+0x48/0x100 [iwlagn]
[<c0580cf9>] ? sysfs_get_active+0x69/0xb0
[<facfa550>] ? show_statistics+0x0/0x100 [iwlagn]
[<c070d219>] dev_attr_show+0x29/0x50
[<c057fecd>] sysfs_read_file+0xdd/0x190
[<c05ff314>] ? security_file_permission+0x14/0x20
[<c0528242>] ? rw_verify_area+0x62/0xd0
[<c052880f>] vfs_read+0x9f/0x190
[<c047745b>] ? up_read+0x1b/0x30
[<c057fdf0>] ? sysfs_read_file+0x0/0x190
[<c04af3b4>] ? audit_syscall_entry+0x1f4/0x220
[<c0528d22>] sys_read+0x42/0x70
[<c040ad9f>] sysenter_do_call+0x12/0x38
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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Port of internal scan to iwl3945 missed introduction
of iwl3945_get_single_channel_for_scan.
Fix the following bug by introducing the iwl3945_get_single_channel_for_scan
http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=2208
Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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We learn from
http://bugzilla.intellinuxwireless.org/show_bug.cgi?id=1834 and
https://bugzilla.redhat.com/show_bug.cgi?id=589777
that 3945 can also suffer from a stuck command queue. Enable stuck queue
detection for iwl3945 to enable recovery in this case.
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
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Commit 56d1de0a21db28e41741cfa0a66e18bc8d920554, "ath5k: clean up
filter flags setting" introduced a regression in monitor mode such
that the promisc filter flag would get lost.
Although we set the promisc flag when it changed, we did not
preserve it across subsequent calls to configure_filter. This patch
restores the original functionality.
Cc: stable@kernel.org
Bisected-by: weedy2887@gmail.com
Tested-by: weedy2887@gmail.com
Tested-by: Rick Farina <sidhayn@gmail.com>
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When building a kernel with CONFIG_PM=y but neither suspend nor
hibernate support, the compiler complains about the static functions
ath5k_pci_suspend() and ath5k_pci_resume() not being used:
drivers/net/wireless/ath/ath5k/base.c:713:12: warning: ‘ath5k_pci_suspend’ defined but not used
drivers/net/wireless/ath/ath5k/base.c:722:12: warning: ‘ath5k_pci_resume’ defined but not used
Depending on CONFIG_PM_SLEEP rather than CONFIG_PM fixes the issue.
Signed-off-by: Tobias Doerffel <tobias.doerffel@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This reverts commit 15920d8afc87861672e16fa95ae2764b065d6dd3.
This patch was discovered to cause some hostap devices to fail to
initialized.
https://bugzilla.kernel.org/show_bug.cgi?id=16111
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Fix rtl_chip_info buffer overrun when we can't identify the chip.
(i = ARRAY_SIZE (rtl_chip_info) in this case)
Signed-off-by: Denis Kirjanov <dkirjanov@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Driver checks received packet is too large in asix_rx_fixup() and fails if it is. Problem is
that MTU might be set larger than 1500 and asix fails to work correctly with VLAN tagged
packets. The check should be 'dev->net->mtu + ETH_HLEN' instead.
Tested with AX88772.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some configurations need delay between the "write completed" indication
and new write to work reliably.
Realtek driver seems to use longer delay when polling the "write complete"
bit, so it waits long enough between writes with high probability (but
could probably break too). This patch adds a new udelay to make sure we
wait unconditionally some time after the write complete indication.
This caused a regression with XID 18000000 boards when the board specific
phy configuration writing many mdio registers was added in commit
2e955856ff (r8169: phy init for the 8169scd). Some of the configration
mdio writes would almost always fail, and depending on failure might leave
the PHY in non-working state.
Signed-off-by: Timo Teräs <timo.teras@iki.fi>
Acked-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* 'msm-urgent' of git://codeaurora.org/quic/kernel/dwalker/linux-msm:
mmc: msm: fix compile error on MSM7x30
msm: dma: add completion.h header
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MSM7x30 isn't supported in this driver yet. If ones tried to compile it in
with MSM7x30 configure you get,
linux-2.6/drivers/mmc/host/msm_sdcc.c: In function 'msmsdcc_fifo_addr':
linux-2.6/drivers/mmc/host/msm_sdcc.c:165: error: 'MSM_SDC1_PHYS' undeclared (first use in this function)
linux-2.6/drivers/mmc/host/msm_sdcc.c:165: error: (Each undeclared identifier is reported only once
linux-2.6/drivers/mmc/host/msm_sdcc.c:165: error: for each function it appears in.)
linux-2.6/drivers/mmc/host/msm_sdcc.c:167: error: 'MSM_SDC2_PHYS' undeclared (first use in this function)
linux-2.6/drivers/mmc/host/msm_sdcc.c:169: error: 'MSM_SDC3_PHYS' undeclared (first use in this function)
linux-2.6/drivers/mmc/host/msm_sdcc.c:171: error: 'MSM_SDC4_PHYS' undeclared (first use in this function)
So we add a Kconfig check to prevent this.
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>
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10, 233 is allocated officially to /dev/kmview which is shipping in
Ubuntu and Debian distributions. vhost_net seem to have borrowed it
without making a proper request and this causes regressions in the other
distributions.
vhost_net can use a dynamic minor so use that instead. Also update the
file with a comment to try and avoid future misunderstandings.
cc: stable@kernel.org
Signed-off-by: Alan Cox <device@lanana.org>
[ We should have caught this before 2.6.34 got released. - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
firewire: core: check for 1394a compliant IRM, fix inaccessibility of Sony camcorder
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camcorder
Per IEEE 1394 clause 8.4.2.3, a contender for the IRM role shall check
whether the current IRM complies to 1394a-2000 or later. If not force a
compliant node (e.g. itself) to become IRM. This was implemented in the
older ieee1394 driver but not yet in firewire-core.
An older Sony camcorder (Sony DCR-TRV25) which implements 1394-1995 IRM
but neither 1394a-2000 IRM nor BM was now found to cause an
interoperability bug:
- Camcorder becomes root node when plugged in, hence gets IRM role.
- firewire-core successfully contends for BM role, proceeds to perform
gap count optimization and resets the bus.
- Sony camcorder ignores presence of a BM (against the spec, this is
a firmware bug), performs its idea of gap count optimization and
resets the bus.
- Preceding two steps are repeated endlessly, bus never settles,
regular I/O is practically impossible.
http://thread.gmane.org/gmane.linux.kernel.firewire.user/3913
This is an interoperability regression from the old to the new drivers.
Fix it indirectly by adding the 1394a IRM check. The spec suggests
three and a half methods to determine 1394a compliance of a remote IRM;
we choose the method of testing the Config_ROM.Bus_Info.generation
field. This is data that firewire-core should have readily available at
this point, i.e. does not require extra I/O.
Reported-by: Clemens Ladisch <clemens@ladisch.de> (missing 1394a check)
Reported-by: H. S. <hs.samix@gmail.com> (issue with Sony DCR-TRV25)
Tested-by: H. S. <hs.samix@gmail.com>
Cc: <stable@kernel.org> # .32.x and newer
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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This reverts commit cfecde435dda78248d6fcdc424bed68d5db6be0b, since it
seems to cause some systems to not come up with any video output at all
(or video that only comes on when X starts up).
Fixes bugzilla:
http://bugzilla.kernel.org/show_bug.cgi?id=16163
Reported-and-tested-by: David John <davidjon@xenontk.org>
Tested-by: Nick Bowler <nbowler@elliptictech.com>
Acked-by: Carl Worth <cworth@cworth.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (23 commits)
drm/radeon: don't poll tv dac if crtc2 is in use.
drm/radeon: reset i2c valid to avoid incorrect tv-out polling.
drm/nv50: fix iommu errors caused by device reading from address 0
drm/nouveau: off by one in init_i2c_device_find()
nouveau: off by one in nv50_gpio_location()
drm/nouveau: completely fail init if we fail to map the PRAMIN BAR
drm/nouveau: match U/DP script against SOR link
drm/radeon/kms/pm: resurrect printing power states
drm/radeon/kms: add trivial debugging for voltage
drm/radeon/kms/r600+: use voltage from requested clock mode (v3)
drm/radeon/kms/pm: track current voltage (v2)
drm/radeon/kms/pm: Disable voltage adjust on RS780/RS880
drm/radeon/kms: fix typo in printing the HPD info
drm/radeon/kms/pm: add mid profile
drm/radeon/kms/pm: Misc fixes
drm/radeon/kms/combios: fix typo in voltage fix
drm/radeon/kms/evergreen: set accel_enabled
drm/vmwgfx: return -EFAULT for copy_to_user errors
drm/drm_crtc: return -EFAULT on copy_to_user errors
drm/fb: use printk to print out the switching to text mode error.
...
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So when we added output polling, we'd suddenly use this code more often, and the fact that it always takes over crtc2 and messes with it during probing isn't what we really want to be happening. A more complete fix would to change it to use whatever crtc was free at the time, but for now lets stay simple and just don't poll if crtc2 is already in use.
Although a more correct fix was found I suspect we should do this as well, until we get a chance to readdres the tv out polling issues.
Reported-by: Torsten Kaiser <just.for.lkml@googlemail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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We really don't want to be polling tv-out but since we weren't forcing the
i2c lines to invalid (tv-out has no DDC), we were adding tv connectors to the
polling setup and this was causing blinking on secondary displays.
This fixes the regression Torsten reported.
Reported-by: Torsten Kaiser <just.for.lkml@googlemail.com>
Tested-by: Torsten Kaiser <just.for.lkml@googlemail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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dcb->i2c[] has DCB_MAX_NUM_I2C_ENTRIES entries.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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If "gpio->line" is 32 then "nv50_gpio_reg[gpio->line >> 3]" reads past the
end of the array.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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On cards where there's a specific BAR for PRAMIN, we used to try and fall
back to the "legacy" aperture within the mmio BAR.
This is doomed to cause problems, so lets just fail completely as there's
obviously something else very wrong anyway.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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It appears version 0x21 'U' and 'd' tables require us to take the SOR link
into account when selecting the appropriate table for a particular output.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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