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Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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i7core_get_devices() were preparet to get just the first found device of each type.
Due to that, on Xeon 55xx, only socket 1 were retrived.
Rework i7core_get_devices() to clean it and to properly support Xeon 55xx.
While here, fix a small typo.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Xeon55xx fails to probe with this error message:
EDAC DEBUG: in drivers/edac/i7core_edac.c, line at 1660: MC: drivers/edac/i7core_edac.c: i7core_init()
EDAC i7core: Device not found: dev 00:00.0 PCI ID 8086:2c41
i7core_edac: probe of 0000:00:14.0 failed with error -22
This is due to the fact that, on Xeon35xx (and i7core), device 00.0 has
PCI ID 8086:2c40.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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m->bank is not related to the memory bank but, instead, to the MCA Error
register bank. Fix it accordingly. While here, improves the comments for
Nehalem bank.
A later fix is needed, in order to get bank/rank information from MCA
error log.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Enriches mcelog error by using the encoded information at MCE status and
misc registers (IA32_MCx_STATUS, IA32_MCx_MISC).
Some fixes are still needed here, in order to properly fill the EDAC
fields.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Some Nehalem architectures have more than one MC socket. Socket 0 is
located at bus 255.
Currently, it is using up to 2 sockets, but increasing it to a larger
number is just a matter of increasing MAX_SOCKETS definition.
This seems to be required for properly support of Xeon 55xx.
Still needs testing with Xeon 55xx.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This code changes the detection procedure of i7core_edac. Instead of
directly probing for MC registers, it probes for another register found
on Nehalem. If found, it tries to pick the first MC PCI BUS. This should
work fine with Xeon 35xx, but, on Xeon 55xx, this is at bus 254 and 255
that are not properly detected by the non-legacy PCI methods.
The new detection code scans specifically at buses 254 and 255 for the
Xeon 55xx devices.
This code has not tested yet. After working, a change at the code will
be needed, since the i7core is not yet ready for working with 2 sets of
MC.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The public Intel Xeon 5500 volume 2 datasheet describes, on page 53,
session 2.6.7 a register that can lock/unlock Memory Controller the
configuration register, called MC_CFG_CONTROL.
Adds support for it in the hope that software error injection would
work. With my tests with Xeon 35xx, there's still something missing.
With a program that does sequencial bit writes at dev 0.0, sometimes, it
produces error injection, after unblocking the MC_CFG_CONTROL (and,
sometimes, it just locks my testing machine).
I'll try later to discover by trial and error what's the register that
solves this issue on Xeon 35xx.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Adds a glue code to allow i7core to work with mcelog. With the glue,
i7core registers itself on edac_mce. At mce, when an error is detected,
it calls all registered drivers (in this case, i7core), for EDAC error
handling.
TODO: It currently just prints the MCE error log using about the same
format as mce panic messages. The error message should be enhanced
with mcelog userspace info and converted into the proper EDAC format,
to feed the EDAC error counts.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Since mcelog is bool, edac_mce glue should also be bool, or otherwise
will not work.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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edac_mce module is an interface module that gets mcelog data and
forwards to any registered edac module that expects to receive data via
mce.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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csrows is still fake, since we can't identify its representation with
Nehalem registers.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Now, memory size is properly displayed:
EDAC i7core: DOD Max limits: DIMMS: 2, 1-ranked, 8-banked
EDAC i7core: DOD Max rows x colums = 0x4000 x 0x400
EDAC i7core: Memory channel configuration:
EDAC i7core: Ch0 phy rd0, wr0 (0x063f7c31): 2 ranks, UDIMMs
EDAC i7core: dimm 0 (0x00000288) 1024 Mb offset: 0, numbank: 8,
numrank: 1, numrow: 0x4000, numcol: 0x400
EDAC i7core: dimm 1 (0x00001288) 1024 Mb offset: 4, numbank: 8,
numrank: 1, numrow: 0x4000, numcol: 0x400
EDAC i7core: Ch1 phy rd1, wr1 (0x063f7c31): 2 ranks, UDIMMs
EDAC i7core: dimm 0 (0x00000288) 1024 Mb offset: 0, numbank: 8,
numrank: 1, numrow: 0x4000, numcol: 0x400
EDAC i7core: Ch2 phy rd3, wr3 (0x063f7c31): 2 ranks, UDIMMs
EDAC i7core: dimm 0 (0x00000288) 1024 Mb offset: 0, numbank: 8,
numrank: 1, numrow: 0x4000, numcol: 0x400
Still, as the way to retrieve csrows info is not known, it does a
mapping of what's available to csrows basic unit at edac core.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Thanks-to: Aristeu Rozanski <aris@redhat.com> for part of the code
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Thanks-to: Aristeu Rozanski <aris@redhat.com> for part of the code
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Properly check the number of channels and improve probing error detection
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This function appears only on Xeon 5500 datasheet. Yet, testing with a
Xeon 3503 showed that this is also implemented on other Nehalem
processors.
At the first read, MC_TEST_ERR_RCV1 and MC_TEST_ERR_RCV0 can contain any
value. Modify CE error logic to update the error count only after the
second read.
An alternative approach would be to do a write at rcv0 and rcv1
registers, but it seemed better to keep they untouched, since BIOS might
eventually assume that they are exclusive for their usage.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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There are some locking troubles with edac_core: if you don't declare an
edac_check, module may suffer from soft lock.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Now, it will try to register on all supported Memory Controller
functions.
It should be noticed that dev3, function 2 is present only on chips with
Registered DIMM's, according to the datasheet. So, the driver doesn't
return -ENODEV is all functions but this one were successfully
registered and enabled:
EDAC i7core: Registered device 8086:2c18 fn=3 0
EDAC i7core: Registered device 8086:2c19 fn=3 1
EDAC i7core: Device not found: PCI ID 8086:2c1a (dev 3, func 2)
EDAC i7core: Registered device 8086:2c1c fn=3 4
EDAC i7core: Registered device 8086:2c20 fn=4 0
EDAC i7core: Registered device 8086:2c21 fn=4 1
EDAC i7core: Registered device 8086:2c22 fn=4 2
EDAC i7core: Registered device 8086:2c23 fn=4 3
EDAC i7core: Registered device 8086:2c28 fn=5 0
EDAC i7core: Registered device 8086:2c29 fn=5 1
EDAC i7core: Registered device 8086:2c2a fn=5 2
EDAC i7core: Registered device 8086:2c2b fn=5 3
EDAC i7core: Registered device 8086:2c30 fn=6 0
EDAC i7core: Registered device 8086:2c31 fn=6 1
EDAC i7core: Registered device 8086:2c32 fn=6 2
EDAC i7core: Registered device 8086:2c33 fn=6 3
EDAC i7core: Driver loaded.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This patch were co-authored with Aristeu Rozanski.
Signed-off-by: Aristeu Sergio <arozansk@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Implements set_inject_error() with the low-level code needed to inject
memory errors at Nehalem, and adds some sysfs nodes to allow error injection
The next patch will add an API for error injection.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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This driver is meant to support i7 core/i7core extreme desktop
processors and Xeon 35xx/55xx series with integrated memory controller.
It is likely that it can be expanded in the future to work with other
processor series based at the same Memory Controller design.
For now, it has just a few MCH status reads.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'v4l_for_2.6.35' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (87 commits)
V4L/DVB: ivtv: Timing tweaks and code re-order to try and improve stability
V4L/DVB: ivtv: Avoid accidental video standard change
V4L/DVB: ivtvfb : Module load / unload fixes
V4L/DVB: cx2341x: Report correct temporal setting for log-status
V4L/DVB: cx18, cx23885, v4l2 doc, MAINTAINERS: Update Andy Walls' email address
V4L/DVB: drivers/media: Eliminate a NULL pointer dereference
V4L/DVB: dvb-core: Fix ULE decapsulation bug
V4L/DVB: Bug fix: make IR work again for dm1105
V4L/DVB: media/IR: nec-decoder needs to select BITREV
V4L/DVB: video/saa7134: change dprintk() to i2cdprintk()
V4L/DVB: video/saa7134: remove duplicate break
V4L/DVB: IR/imon: add auto-config for 0xffdc rf device
V4L/DVB: IR/imon: clean up usage of bools
V4L/DVB: em28xx: remove unneeded null checks
V4L/DVB: ngene: remove unused #include <linux/version.h>
V4L/DVB: ak881x needs slab.h
V4L/DVB: FusionHDTV: Use quick reads for I2C IR device probing
V4L/DVB: Technotrend S2-3200 ships with a TT 1500 remote
V4L/DVB: drivers/media: Use kzalloc
V4L/DVB: m920x: Select simple tuner
...
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Added small delay on device open & close to allow hardware to settle. Move yuv
register restore to before the decoder firmware call to stop playback.
Signed-off-by: Ian Armstrong <ian@iarmst.demon.co.uk>
Signed-off-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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For yuv video output, pass fake values to avoid firmware trying to change
video standard.
Signed-off-by: Ian Armstrong <ian@iarmst.demon.co.uk>
Signed-off-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Check firmware state when loading module & if firmware is not responding exit
with an error. When module is unloaded, only disable the framebuffer & not all
decoder output.
Signed-off-by: Ian Armstrong <ian@iarmst.demon.co.uk>
Signed-off-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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[Andy Walls comment:] This patch from Ian removes the cx2341x module lying
about the setting of the temporal filter for the log status ioctl().
Signed-off-by: Ian Armstrong <ian@iarmst.demon.co.uk>
Signed-off-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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A trivial change to update my email address from my dead awalls@radix.net
address to my current awalls@md.metrocast.net address.
Signed-off-by: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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In each case, the print involves dereferencing a value that is NULL or is
near NULL.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@r exists@
expression E,E1;
identifier f;
statement S1,S2,S3;
@@
if ((E == NULL && ...) || ...)
{
... when != if (...) S1 else S2
when != E = E1
* E->f
... when any
return ...;
}
else S3
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Fix ULE decapsulation bug when less than 4 bytes of ULE SNDU is packed
into the remaining bytes of a MPEG2-TS frame
ULE (Unidirectional Lightweight Encapsulation RFC 4326) decapsulation
code has a bug that incorrectly treats ULE SNDU packed into the
remaining 2 or 3 bytes of a MPEG2-TS frame as having invalid pointer
field on the subsequent MPEG2-TS frame.
Signed-off-by: Ang Way Chuang <wcang@nav6.org>
Acked-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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It makes IR to work again for dm1105 and, possibly, others.
Signed-off-by: Igor M. Liplianin <liplianin@me.by>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Fix ir-nec-decoder build: it uses bitrev library code, so
select BITREVERSE in its Kconfig.
ir-nec-decoder.c:(.text+0x1a2517): undefined reference to `byte_rev_table'
ir-nec-decoder.c:(.text+0x1a2526): undefined reference to `byte_rev_table'
ir-nec-decoder.c:(.text+0x1a2530): undefined reference to `byte_rev_table'
ir-nec-decoder.c:(.text+0x1a2539): undefined reference to `byte_rev_table'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The problem is that dprintk() dereferences "dev" which is null here.
The i2cdprintk() uses "ir" so that's OK.
Also Jean Delvare pointed out a typo in the comment so we may as well
fix that.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The original code had two break statements in a row.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Add auto-config support for iMON 2.4G LT RF device, based on
debug output from Giulio Amodeo in Red Hat bugzilla #572288.
Also flips the switch on only setting up the rf associate sysfs
attr only if we think we're looking at an RF device, vs. previously,
setting up the attr for all 0xffdc devices, so its possible (but a bit
unlikely) there's another iMON RF device we'll have to fix up.
Nb: should be applied after "IR/imon: clean up usage of bools", or there
will be a slight contextual mismatch.
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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There was a mix of 0/1 and false/true. Pick one convention and stick
with it (I picked false/true).
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The "dev" variable is used as a list cursor in a list_for_each_entry()
loop and can never be null here so I removed the check.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Remove unused #include <linux/version.h>('s) in
drivers/media/dvb/ngene/ngene-dvb.c
drivers/media/dvb/ngene/ngene-i2c.c
Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Add slab.h to fix ak881x build:
drivers/media/video/ak881x.c:265:error: implicit declaration of function 'kzalloc'
drivers/media/video/ak881x.c:265:warning: assignment makes pointer from integer without a cast
drivers/media/video/ak881x.c:283:error: implicit declaration of function 'kfree'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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IR support on FusionHDTV cards is broken since kernel 2.6.31. One side
effect of the switch to the standard binding model for IR I2C devices
was to let i2c-core do the probing instead of the ir-kbd-i2c driver.
There is a slight difference between the two probe methods: i2c-core
uses 0-byte writes, while the ir-kbd-i2c was using 0-byte reads. As
some IR I2C devices only support reads, the new probe method fails to
detect them.
For now, revert to letting the driver do the probe, using 0-byte
reads. In the future, i2c-core will be extended to let callers of
i2c_new_probed_device() provide a custom probing function.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Tested-by: "Timothy D. Lenz" <tlenz@vorgon.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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