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The registers for AD193X are defined as 0x800-0x810 for spi which uses
16_8 mode, for i2c to support AD1937, we will use 8_8 mode, only the low
byte of 0x800-0x810 is valid. The patch will not destory other codecs,
but make soc cache interface more useful.
Signed-off-by: Barry Song <barry.song@analog.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Signed-off-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Barry Song <barry.song@analog.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Implement arch specific arch_get_memory_phys_device function and
initialize phys_device for each memory section. That way we finally can
tell which piece of memory belongs to which physical device.
This makes s390's /sys/devices/system/memory/memoryX/phys_device display
the correct thing?
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Dave Hansen <haveblue@us.ibm.com>
Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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/sys/devices/system/memory/memoryX/phys_device is supposed to contain the
number of the physical device that the corresponding piece of memory
belongs to.
In case a physical device should be replaced or taken offline for whatever
reason it is necessary to set all corresponding memory pieces offline.
The current implementation always sets phys_device to '0' and there is no
way or hook to change that. Seems like there was a plan to implement that
but it wasn't finished for whatever reason.
So add a weak function which architectures can override to actually set
the phys_device from within add_memory_block().
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Dave Hansen <haveblue@us.ibm.com>
Cc: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Replace open-coded loop with for_each_set_bit().
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Clemens Ladisch <clemens@ladisch.de>
Cc: Bob Picco <bob.picco@hp.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use bitmap_weight() instead of doing hweight32() for each u32 element in
the page.
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Anton Altaparmakov <aia21@cantab.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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jffs2 uses rb_node = NULL; to zero rb_root.
The problem with this is that 17d9ddc72fb8bba0d4f678 ("rbtree: Add
support for augmented rbtrees") in the linux-next tree adds a new field
to that struct which needs to be NULL as well. This patch uses RB_ROOT
as the intializer so all of the relevant fields will be NULL'd.
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Cc: Eric Paris <eparis@redhat.com>
Acked-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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swap_cgroup uses 2bytes data and uses cmpxchg in a new operation. 2byte
cmpxchg/xchg is not available on some archs. This patch replaces
cmpxchg/xchg with operations under lock.
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Reported-by: Sachin Sant <sachinp@in.ibm.com> wrote:
Acked-by: Balbir Singh <balbir@in.ibm.com>
Acked-by: Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
Cc: Li Zefan <lizf@cn.fujitsu.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Update the dummy LL interface to the LL interface change
introduced by commit daab433c03c15fd642c71c94eb51bdd3f32602c8.
This fixes the build failure occurring after that commit when
enabling ISDN_DRV_GIGASET but neither ISDN_I4L nor ISDN_CAPI.
Impact: bugfix
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
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pp->active_link is not reliable when FBS is enabled.
Both PORT_SCR_ACT and PORT_CMD_ISSUE should be checked
because mixed NCQ and non-NCQ commands may be in flight.
Signed-off-by: Shane Huang <shane.huang@amd.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Some devices provide support for detection of a small number of
buttons on their jacks. One common implementation provides a single
button, implemented by shorting the microphone to ground and detected
along with microphone presence detection by detecting varying current
draws on the microphone bias signal.
Provide support for up to three buttons via the jack interface. These
default to reporting BTN_n but an API is provided to allow these to
be remapped to other keys by the machine driver where it knows what
the keys are. More keys can be added with ease if required.
This is only intended to support simple accessory button designs. If
the interface is limiting then either creating a child device for the
accessory or accessing the input device in the jack directly is
recommended.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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Avoids confusion when we have button support.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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HP is recycling both DMI_PRODUCT_NAME and DMI_BIOS_VERSION making
ahci_broken_suspend() trigger for later products which are not
affected by the original problems. Match BIOS date instead of version
and add references to bko's so that full information can be found
easier later.
This fixes http://bugzilla.kernel.org/show_bug.cgi?id=15462
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: tigerfishdaisy@gmail.com
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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bko#15481 shows that we're missing some NVIDIA ahci PCI IDs. Peer
Chen confirms that IDs 0x580-0x58f are reserved for cases where Linux
ID option is selected in the BIOS and are only used for mcp65-73. Add
0x0581-0x058f.
http://bugzilla.kernel.org/show_bug.cgi?id=15481
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Peer Chen <pchen@nvidia.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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The WM8750 is using some delayed work to manage the ramping of the bias
at startup and resume out of line from the normal flow. This predates
the support within ASoC core for moving the resume out of line from the
main system resume which provides equivalent functionality with better
interaction with applications. Change to doing the ramp in line to make
use of the core functionality.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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A code audit reveals that there are currently no users of the widget
controls on PGAs. This is likely to continue to be the case since
while there are useful things that can be done with integrating the
PGA gain and mute controls with the power sequencing userspace
generally wants stereo controls for output stages which this doesn't
map onto well.
In preparation for implementing something more useful strip out the
existing code, leaving the parameters there for use by the new code.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
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perf_arch_fetch_caller_regs() is exported for the overriden x86
version, but not for the generic weak version.
As a general rule, weak functions should not have their symbol
exported in the same file they are defined.
So let's export it on trace_event_perf.c as it is used by trace
events only.
This fixes:
ERROR: ".perf_arch_fetch_caller_regs" [fs/xfs/xfs.ko] undefined!
ERROR: ".perf_arch_fetch_caller_regs" [arch/powerpc/platforms/cell/spufs/spufs.ko] undefined!
-v2: And also only build it if trace events are enabled.
-v3: Fix changelog mistake
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1268697902-9518-1-git-send-regression-fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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The WM8350 provides microphone presence and short circuit detection.
Integrate this with the ASoC jack reporting API.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
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We shouldn't be always setting 'M' in the TLB entry since its reasonable
for somethings to be mapped non-coherent. The PTE should have 'M' set
properly.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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e500v1/v2 based chips will treat any reserved field being set in an
opcode as illegal. Thus always setting the hint in the opcode is
a bad idea.
Anton should be kept away from the powerpc opcode map.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Otherwise we get a warning from the call in br_forward().
Signed-off-by: David S. Miller <davem@davemloft.net>
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without IGMP snooping.
Without CONFIG_BRIDGE_IGMP_SNOOPING,
BR_INPUT_SKB_CB(skb)->mrouters_only is not appropriately
initialized, so we can see garbage.
A clear option to fix this is to set it even without that
config, but we cannot optimize out the branch.
Let's introduce a macro that returns value of mrouters_only
and let it return 0 without CONFIG_BRIDGE_IGMP_SNOOPING.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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route: Fix caught BUG_ON during rt_secret_rebuild_oneshot()
Call rt_secret_rebuild can cause BUG_ON(timer_pending(&net->ipv4.rt_secret_timer)) in
add_timer as there is not any synchronization for call rt_secret_rebuild_oneshot()
for the same net namespace.
Also this issue affects to rt_secret_reschedule().
Thus use mod_timer enstead.
Signed-off-by: Vitaliy Gusev <vgusev@openvz.org>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Stanse found that one error path in netpoll_setup dereferences npinfo
even though it is NULL. Avoid that by adding new label and go to that
instead.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Daniel Borkmann <danborkmann@googlemail.com>
Cc: David S. Miller <davem@davemloft.net>
Acked-by: chavey@google.com
Acked-by: Matt Mackall <mpm@selenic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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So in the forward porting of various tipc packages, I was constantly
getting this lockdep warning everytime I used tipc-config to set a network
address for the protocol:
[ INFO: possible circular locking dependency detected ]
2.6.33 #1
tipc-config/1326 is trying to acquire lock:
(ref_table_lock){+.-...}, at: [<ffffffffa0315148>] tipc_ref_discard+0x53/0xd4 [tipc]
but task is already holding lock:
(&(&entry->lock)->rlock#2){+.-...}, at: [<ffffffffa03150d5>] tipc_ref_lock+0x43/0x63 [tipc]
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #1 (&(&entry->lock)->rlock#2){+.-...}:
[<ffffffff8107b508>] __lock_acquire+0xb67/0xd0f
[<ffffffff8107b78c>] lock_acquire+0xdc/0x102
[<ffffffff8145471e>] _raw_spin_lock_bh+0x3b/0x6e
[<ffffffffa03152b1>] tipc_ref_acquire+0xe8/0x11b [tipc]
[<ffffffffa031433f>] tipc_createport_raw+0x78/0x1b9 [tipc]
[<ffffffffa031450b>] tipc_createport+0x8b/0x125 [tipc]
[<ffffffffa030f221>] tipc_subscr_start+0xce/0x126 [tipc]
[<ffffffffa0308fb2>] process_signal_queue+0x47/0x7d [tipc]
[<ffffffff81053e0c>] tasklet_action+0x8c/0xf4
[<ffffffff81054bd8>] __do_softirq+0xf8/0x1cd
[<ffffffff8100aadc>] call_softirq+0x1c/0x30
[<ffffffff810549f4>] _local_bh_enable_ip+0xb8/0xd7
[<ffffffff81054a21>] local_bh_enable_ip+0xe/0x10
[<ffffffff81454d31>] _raw_spin_unlock_bh+0x34/0x39
[<ffffffffa0308eb8>] spin_unlock_bh.clone.0+0x15/0x17 [tipc]
[<ffffffffa0308f47>] tipc_k_signal+0x8d/0xb1 [tipc]
[<ffffffffa0308dd9>] tipc_core_start+0x8a/0xad [tipc]
[<ffffffffa01b1087>] 0xffffffffa01b1087
[<ffffffff8100207d>] do_one_initcall+0x72/0x18a
[<ffffffff810872fb>] sys_init_module+0xd8/0x23a
[<ffffffff81009b42>] system_call_fastpath+0x16/0x1b
-> #0 (ref_table_lock){+.-...}:
[<ffffffff8107b3b2>] __lock_acquire+0xa11/0xd0f
[<ffffffff8107b78c>] lock_acquire+0xdc/0x102
[<ffffffff81454836>] _raw_write_lock_bh+0x3b/0x6e
[<ffffffffa0315148>] tipc_ref_discard+0x53/0xd4 [tipc]
[<ffffffffa03141ee>] tipc_deleteport+0x40/0x119 [tipc]
[<ffffffffa0316e35>] release+0xeb/0x137 [tipc]
[<ffffffff8139dbf4>] sock_release+0x1f/0x6f
[<ffffffff8139dc6b>] sock_close+0x27/0x2b
[<ffffffff811116f6>] __fput+0x12a/0x1df
[<ffffffff811117c5>] fput+0x1a/0x1c
[<ffffffff8110e49b>] filp_close+0x68/0x72
[<ffffffff8110e552>] sys_close+0xad/0xe7
[<ffffffff81009b42>] system_call_fastpath+0x16/0x1b
Finally decided I should fix this. Its a straightforward inversion,
tipc_ref_acquire takes two locks in this order:
ref_table_lock
entry->lock
while tipc_deleteport takes them in this order:
entry->lock (via tipc_port_lock())
ref_table_lock (via tipc_ref_discard())
when the same entry is referenced, we get the above warning. The fix is equally
straightforward. Theres no real relation between the entry->lock and the
ref_table_lock (they just are needed at the same time), so move the entry->lock
aquisition in tipc_ref_acquire down, after we unlock ref_table_lock (this is
safe since the ref_table_lock guards changes to the reference table, and we've
already claimed a slot there. I've tested the below fix and confirmed that it
clears up the lockdep issue
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
CC: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes UDP socket refcnt bugs in the pppol2tp driver.
A bug can cause a kernel stack trace when a tunnel socket is closed.
A way to reproduce the issue is to prepare the UDP socket for L2TP (by
opening a tunnel pppol2tp socket) and then close it before any L2TP
sessions are added to it. The sequence is
Create UDP socket
Create tunnel pppol2tp socket to prepare UDP socket for L2TP
pppol2tp_connect: session_id=0, peer_session_id=0
L2TP SCCRP control frame received (tunnel_id==0)
pppol2tp_recv_core: sock_hold()
pppol2tp_recv_core: sock_put
L2TP ZLB control frame received (tunnel_id=nnn)
pppol2tp_recv_core: sock_hold()
pppol2tp_recv_core: sock_put
Close tunnel management socket
pppol2tp_release: session_id=0, peer_session_id=0
Close UDP socket
udp_lib_close: BUG
The addition of sock_hold() in pppol2tp_connect() solves the problem.
For data frames, two sock_put() calls were added to plug a refcnt leak
per received data frame. The ref that is grabbed at the top of
pppol2tp_recv_core() must always be released, but this wasn't done for
accepted data frames or data frames discarded because of bad UDP
checksums. This leak meant that any UDP socket that had passed L2TP
data traffic (i.e. L2TP data frames, not just L2TP control frames)
using pppol2tp would not be released by the kernel.
WARNING: at include/net/sock.h:435 udp_lib_unhash+0x117/0x120()
Pid: 1086, comm: openl2tpd Not tainted 2.6.33-rc1 #8
Call Trace:
[<c119e9b7>] ? udp_lib_unhash+0x117/0x120
[<c101b871>] ? warn_slowpath_common+0x71/0xd0
[<c119e9b7>] ? udp_lib_unhash+0x117/0x120
[<c101b8e3>] ? warn_slowpath_null+0x13/0x20
[<c119e9b7>] ? udp_lib_unhash+0x117/0x120
[<c11598a7>] ? sk_common_release+0x17/0x90
[<c11a5e33>] ? inet_release+0x33/0x60
[<c11577b0>] ? sock_release+0x10/0x60
[<c115780f>] ? sock_close+0xf/0x30
[<c106e542>] ? __fput+0x52/0x150
[<c106b68e>] ? filp_close+0x3e/0x70
[<c101d2e2>] ? put_files_struct+0x62/0xb0
[<c101eaf7>] ? do_exit+0x5e7/0x650
[<c1081623>] ? mntput_no_expire+0x13/0x70
[<c106b68e>] ? filp_close+0x3e/0x70
[<c101eb8a>] ? do_group_exit+0x2a/0x70
[<c101ebe1>] ? sys_exit_group+0x11/0x20
[<c10029b0>] ? sysenter_do_call+0x12/0x26
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch ensures the PHY correctly completes its reset before
setting register values.
Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When transmitting L2TP frames, we derive the outgoing interface's UDP
checksum hardware assist capabilities from the tunnel dst dev. This
can sometimes be NULL, especially when routing protocols are used and
routing changes occur. This patch just checks for NULL dst or dev
pointers when checking for netdev hardware assist features.
BUG: unable to handle kernel NULL pointer dereference at 0000000c
IP: [<f89d074c>] pppol2tp_xmit+0x341/0x4da [pppol2tp]
*pde = 00000000
Oops: 0000 [#1] SMP
last sysfs file: /sys/class/net/lo/operstate
Modules linked in: pppol2tp pppox ppp_generic slhc ipv6 dummy loop snd_hda_codec_atihdmi snd_hda_intel snd_hda_codec snd_pcm snd_timer snd soundcore snd_page_alloc evdev psmouse serio_raw processor button i2c_piix4 i2c_core ati_agp agpgart pcspkr ext3 jbd mbcache sd_mod ide_pci_generic atiixp ide_core ahci ata_generic floppy ehci_hcd ohci_hcd libata e1000e scsi_mod usbcore nls_base thermal fan thermal_sys [last unloaded: scsi_wait_scan]
Pid: 0, comm: swapper Not tainted (2.6.32.8 #1)
EIP: 0060:[<f89d074c>] EFLAGS: 00010297 CPU: 3
EIP is at pppol2tp_xmit+0x341/0x4da [pppol2tp]
EAX: 00000000 EBX: f64d1680 ECX: 000005b9 EDX: 00000000
ESI: f6b91850 EDI: f64d16ac EBP: f6a0c4c0 ESP: f70a9cac
DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
Process swapper (pid: 0, ti=f70a8000 task=f70a31c0 task.ti=f70a8000)
Stack:
000005a9 000005b9 f734c400 f66652c0 f7352e00 f67dc800 00000000 f6b91800
<0> 000005a3 f70ef6c4 f67dcda9 000005a3 f89b192e 00000246 000005a3 f64d1680
<0> f63633e0 f6363320 f64d1680 f65a7320 f65a7364 f65856c0 f64d1680 f679f02f
Call Trace:
[<f89b192e>] ? ppp_push+0x459/0x50e [ppp_generic]
[<f89b217f>] ? ppp_xmit_process+0x3b6/0x430 [ppp_generic]
[<f89b2306>] ? ppp_start_xmit+0x10d/0x120 [ppp_generic]
[<c11c15cb>] ? dev_hard_start_xmit+0x21f/0x2b2
[<c11d0947>] ? sch_direct_xmit+0x48/0x10e
[<c11c19a0>] ? dev_queue_xmit+0x263/0x3a6
[<c11e2a9f>] ? ip_finish_output+0x1f7/0x221
[<c11df682>] ? ip_forward_finish+0x2e/0x30
[<c11de645>] ? ip_rcv_finish+0x295/0x2a9
[<c11c0b19>] ? netif_receive_skb+0x3e9/0x404
[<f814b791>] ? e1000_clean_rx_irq+0x253/0x2fc [e1000e]
[<f814cb7a>] ? e1000_clean+0x63/0x1fc [e1000e]
[<c1047eff>] ? sched_clock_local+0x15/0x11b
[<c11c1095>] ? net_rx_action+0x96/0x195
[<c1035750>] ? __do_softirq+0xaa/0x151
[<c1035828>] ? do_softirq+0x31/0x3c
[<c10358fe>] ? irq_exit+0x26/0x58
[<c1004b21>] ? do_IRQ+0x78/0x89
[<c1003729>] ? common_interrupt+0x29/0x30
[<c101ac28>] ? native_safe_halt+0x2/0x3
[<c1008c54>] ? default_idle+0x55/0x75
[<c1009045>] ? c1e_idle+0xd2/0xd5
[<c100233c>] ? cpu_idle+0x46/0x62
Code: 8d 45 08 f0 ff 45 08 89 6b 08 c7 43 68 7e fb 9c f8 8a 45 24 83 e0 0c 3c 04 75 09 80 63 64 f3 e9 b4 00 00 00 8b 43 18 8b 4c 24 04 <8b> 40 0c 8d 79 11 f6 40 44 0e 8a 43 64 75 51 6a 00 8b 4c 24 08
EIP: [<f89d074c>] pppol2tp_xmit+0x341/0x4da [pppol2tp] SS:ESP 0068:f70a9cac
CR2: 000000000000000c
Signed-off-by: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds a driver for SMSC's LAN7500 family of USB 2.0
to gigabit ethernet adapters. It's loosely based on the smsc95xx
driver but the device registers for LAN7500 are completely different.
Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes following warning introduced by commit
12bac0d9f4dbf3445a0319beee848d15fa32775e ("proc: warn on non-existing
proc entries"):
WARNING: at /work/mips-linux/make/linux/fs/proc/generic.c:316 __xlate_proc_name+0xe0/0xe8()
name 'RBHMA4X00/RTL8019'
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Stanse found that one error path (when alloc_skb fails) in netdev_tx
omits to unlock hw_priv->hwlock. Fix that.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Tristram Ha <Tristram.Ha@micrel.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Correct a potential array overrun due to an off by one error in the
range check on the CAPI CONNECT_REQ CIPValue parameter.
Found and reported by Dan Carpenter using smatch.
Impact: bugfix
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If we are doing a forced shutdown, we can get lots of noise about
delalloc pages being discarded. This is happens by design during a
forced shutdown, so don't spam the logs with these messages.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
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Re-apply a commit that had been reverted due to regressions
that have since been fixed.
From 95f8e302c04c0b0c6de35ab399a5551605eeb006 Mon Sep 17 00:00:00 2001
From: Nick Piggin <npiggin@suse.de>
Date: Tue, 6 Jan 2009 14:43:09 +1100
Implement XFS's large buffer support with the new vmap APIs. See the vmap
rewrite (db64fe02) for some numbers. The biggest improvement that comes from
using the new APIs is avoiding the global KVA allocation lock on every call.
Signed-off-by: Nick Piggin <npiggin@suse.de>
Reviewed-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Only modifications here were a minor reformat, plus making the patch
apply given the new use of xfs_buf_is_vmapped().
Modified-by: Alex Elder <aelder@sgi.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
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Re-apply a commit that had been reverted due to regressions
that have since been fixed.
Original commit: d2859751cd0bf586941ffa7308635a293f943c17
Author: Nick Piggin <npiggin@suse.de>
Date: Tue, 6 Jan 2009 14:40:44 +1100
XFS's vmap batching simply defers a number (up to 64) of vunmaps,
and keeps track of them in a list. To purge the batch, it just goes
through the list and calls vunamp on each one. This is pretty poor:
a global TLB flush is generally still performed on each vunmap, with
the most expensive parts of the operation being the broadcast IPIs
and locking involved in the SMP callouts, and the locking involved
in the vmap management -- none of these are avoided by just batching
up the calls. I'm actually surprised it ever made much difference.
(Now that the lazy vmap allocator is upstream, this description is
not quite right, but the vunmap batching still doesn't seem to do
much).
Rip all this logic out of XFS completely. I will improve vmap
performance and scalability directly in subsequent patch.
Signed-off-by: Nick Piggin <npiggin@suse.de>
Reviewed-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
The only change I made was to use the "new" xfs_buf_is_vmapped()
function in a place it had been open-coded in the original.
Modified-by: Alex Elder <aelder@sgi.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Alex Elder <aelder@sgi.com>
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If we were to dynamically register/unregister leds and have udev or other
daemons handle the leds class uevents, we would be notified of the adding of a
new LED and if the daemon immediately tries to open one of the attributes of
the led device, it would fail with a "no such file or directory" error since
this the attributes are not yet created. Fix this by switching attributes to be
class-wide, such that the driver core will register these attributes with
device_add_attrs and then emit the kobject_uevent ADD signal.
Signed-off-by: Fainelli <ffainelli@freebox.fr>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
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Properly return backlight registration error to parent.
Mark struct backlight_ops as const.
Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Acked-by: Harald Welte <laforge@gnumonks.org> (registration failure)
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
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Properly return backlight registration error to parent.
Mark struct backlight_ops as const.
Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Reviewed-by: Anisse Astier <anisse@astier.eu>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
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Check newly registered backlight_device for error and properly
return error to parent
Mark struct backlight_ops as const.
Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Acked-by: Mike Frysinger <vapier@gentoo.org> (constify struct backlight_ops)
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
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Check newly registered backlight_device for error and properly
return error to parent.
Mark struct backlight_ops as const.
Signed-off-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
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This adds the MacBook 1,1 2,1 3,1 4,1 and 4,2 to the DMI tables.
Signed-off-by: Evan McClain <evan.mcclain@gatech.edu>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
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The driver wrongly sets default state for LEDs that don't specify
default-state property.
Currently the driver handles default state this way:
memset(&led, 0, sizeof(led));
for_each_child_of_node(np, child) {
state = of_get_property(child, "default-state", NULL);
if (state) {
if (!strcmp(state, "keep"))
led.default_state = LEDS_GPIO_DEFSTATE_KEEP;
...
}
ret = create_gpio_led(&led, ...);
}
Which means that all LEDs that do not specify default-state will inherit
the last value of the default-state property, which is wrong.
This patch fixes the issue by moving LED's template initialization into
the loop body.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
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This patch adds an LED driver to support the Dell Activity LED on the
Dell Latitude 2100 netbook and future products to come. The Activity LED
is visible externally in the lid so classroom instructors can observe it
from a distance. The driver uses the sysfs led_class and provides a
standard LED interface.
Signed-off by: Bob Rodgers <Robert_Rodgers@dell.com>
Signed-off-by: Louis Davis <Louis_Davis@dell.com>
Signed-off-by: Jim Dailey <Jim_Dailey@dell.com>, Developers
Acked-by: Matthew Garrett <mjg@redhat.com>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
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Remove the need for "depends on LEDS_CLASS" by wrapping the affected
config options in an if/endif block. Similar for "depends on LEDS_TRIGGERS".
LEDS_COBALT_RAQ still has a "depends on LEDS_CLASS=y" since it cannot
be selected to build as a module.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
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As each led device gets registered a kernel message gets printed. In
an embedded system with a number of leds this can produce a lot
of output that just looks like noise.
Change the message type to KERN_DEBUG since it might be useful
in the dmesg output "after" booting.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
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