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The struct_tty associated with a port is now a direct pointer
from within the local private driver info struct. So fix all uses
of it.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (27 commits)
drm/radeon/kms: hopefully fix pll issues for real (v3)
drm/radeon/kms: add bounds checking to avivo pll algo
drm: fix wrong usages of drm_device in DRM Developer's Guide
drm/radeon/kms: fix a few more atombios endian issues
drm/radeon/kms: improve 6xx/7xx CS error output
drm/radeon/kms: check AA resolve registers on r300
drm/radeon/kms: fix tracking of BLENDCNTL, COLOR_CHANNEL_MASK, and GB_Z on r300
drm/radeon/kms: use linear aligned for evergreen/ni bo blits
drm/radeon/kms: use linear aligned for 6xx/7xx bo blits
drm/radeon: fix race between GPU reset and TTM delayed delete thread.
drm/radeon/kms: evergreen/ni big endian fixes (v2)
drm/radeon/kms: 6xx/7xx big endian fixes
drm/radeon/kms: atombios big endian fixes
drm/radeon: 6xx/7xx non-kms endian fixes
drm/radeon/kms: optimize CS state checking for r100->r500
drm: do not leak kernel addresses via /proc/dri/*/vma
drm/radeon/kms: add connector table for mac g5 9600
radeon mkregtable: Add missing fclose() calls
drm/radeon/kms: fix interlaced modes on dce4+
drm/radeon: fix memory debugging since d961db75ce86a84f1f04e91ad1014653ed7d9f46
...
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6:
pci: use security_capable() when checking capablities during config space read
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
ACPI / Video: Probe for output switch method when searching video devices.
ACPI / Wakeup: Enable button GPEs unconditionally during initialization
ACPI / ACPICA: Avoid crashing if _PRW is defined for the root object
ACPI: Fix acpi_os_read_memory() and acpi_os_write_memory() (v2)
Right now the platform device and its platform data is included in one big
struct which requires its custom ->release function. The problem with the
release function within the driver is that it might be called after the
driver was removed because someone was holding a reference to it and it
was not called right after platform_device_unregister(). So we also free
the platform device memory to which one might hold a reference.
This patch uses the normal pdev functions so this kind of race does not
occur.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
There was a bug in my commit c978e7bb77dfd2cd3d1f547fa4e395cfe47f02b2
("hisax: Fix unchecked alloc_skb() return.")
One of the l2->flag checks is wrong.
Even worse it turns out I'm duplicating an existing function,
so use that instead.
Reported-by: Milton Miller <miltonm@bga.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx: (21 commits)
dmaengine: add slave-dma maintainer
dma: ipu_idmac: do not lose valid received data in the irq handler
dmaengine: imx-sdma: fix up param for the last BD in sdma_prep_slave_sg()
dmaengine: imx-sdma: correct sdmac->status in sdma_handle_channel_loop()
dmaengine: imx-sdma: return sdmac->status in sdma_tx_status()
dmaengine: imx-sdma: set sdmac->status to DMA_ERROR in err_out of sdma_prep_slave_sg()
dmaengine: imx-sdma: remove IMX_DMA_SG_LOOP handling in sdma_prep_slave_sg()
dmaengine i.MX dma: initialize dma capabilities outside channel loop
dmaengine i.MX DMA: do not initialize chan_id field
dmaengine i.MX dma: check sg entries for valid addresses and lengths
dmaengine i.MX dma: set maximum segment size for our device
dmaengine i.MX SDMA: reserve channel 0 by not registering it
dmaengine i.MX SDMA: initialize dma capabilities outside channel loop
dmaengine i.MX SDMA: do not initialize chan_id field
dmaengine i.MX sdma: check sg entries for valid addresses and lengths
dmaengine i.MX sdma: set maximum segment size for our device
DMA: PL08x: fix channel pausing to timeout rather than lockup
DMA: PL08x: fix infinite wait when terminating transfers
dmaengine: imx-sdma: fix inconsistent naming in sdma_assign_cookie()
dmaengine: imx-sdma: propagate error in sdma_probe() instead of returning 0
...
* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86, dmi, debug: Log board name (when present) in dmesg/oops output
x86, ioapic: Don't warn about non-existing IOAPICs if we have none
x86: Fix mwait_usable section mismatch
x86: Readd missing irq_to_desc() in fixup_irq()
x86: Fix section mismatch in LAPIC initialization
If the target device gets lost, this fix is needed, as it causes
negative unintended responses on basic I/O tests. If the target device
gets lost, the upstream qla2xxx driver returns
SCSI_MLQUEUE_TARGET_BUSY which causes an immediate retry without drop
in the number of allowed retries. This semantic change, as a result of
removing FC_DEVICE_LOST check is reasonable, as it only extends a
short transitional period, until the transport is called to notify
that the rport as lost (fc_remote_port_delete()). Once transport
notification is done, fc_remote_port_chkready() check will take over.
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Madhuranath Iyengar <Madhu.Iyengar@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
The DMA latency issue is observed only in Intel pinetrail platforms
but in the driver we had a default PM-QOS value of 55. This caused
unnecessary power consumption and battery drain in other platforms.
Remove the pm-qos thing in the driver code and address the throughput
issue in Intel pinetrail platfroms in user space using any one of
the scripts in below links:
http://www.kernel.org/pub/linux/kernel/people/mcgrof/scripts/cpudmalatency.chttp://johannes.sipsolutions.net/files/netlatency.c.txt
More details can be found in the following bugzilla link:
https://bugzilla.kernel.org/show_bug.cgi?id=27532
This reverts the following commits:
98c316e348bedffa730e6f1e4baeb8a3c3e0f28b
4dc3530df7c0428b41c00399a7ee8c929406d181
10598c124ecabbbfd7522f74de19b8f7d52a1bee
Signed-off-by: Mohammed Shafi Shajakhan <mshajakhan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This reintroduces commit 47970b1b which was subsequently reverted
as f00eaeea. The original change was broken and caused X startup
failures and generally made privileged processes incapable of reading
device dependent config space. The normal capable() interface returns
true on success, but the LSM interface returns 0 on success. This thinko
is now fixed in this patch, and has been confirmed to work properly.
So, once again...Eric Paris noted that commit de139a3 ("pci: check caps
from sysfs file open to read device dependent config space") caused the
capability check to bypass security modules and potentially auditing.
Rectify this by calling security_capable() when checking the open file's
capabilities for config space reads.
Reported-by: Eric Paris <eparis@redhat.com>
Tested-by: Dave Young <hidave.darkstar@gmail.com>
Acked-by: James Morris <jmorris@namei.org>
Cc: Dave Airlie <airlied@gmail.com>
Cc: Alex Riesen <raa.lkml@gmail.com>
Cc: Sedat Dilek <sedat.dilek@googlemail.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: James Morris <jmorris@namei.org>
The "Type 2" SMBIOS record that contains Board Name is not
strictly required and may be absent in the SMBIOS on some
platforms.
( Please note that Type 2 is not listed in Table 3 in Sec 6.2
("Required Structures and Data") of the SMBIOS v2.7
Specification. )
Use the Manufacturer Name (aka System Vendor) name.
Print Board Name only when it is present.
Before the fix:
(i) dmesg output: DMI: /ProLiant DL380 G6, BIOS P62 01/29/2011
(ii) oops output: Pid: 2170, comm: bash Not tainted 2.6.38-rc4+ #3 /ProLiant DL380 G6
After the fix:
(i) dmesg output: DMI: HP ProLiant DL380 G6, BIOS P62 01/29/2011
(ii) oops output: Pid: 2278, comm: bash Not tainted 2.6.38-rc4+ #4 HP ProLiant DL380 G6
Signed-off-by: Naga Chumbalkar <nagananda.chumbalkar@hp.com>
Reviewed-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: <stable@kernel.org> # .3x - good for debugging, please apply as far back as it applies cleanly
LKML-Reference: <20110214224423.2182.13929.sendpatchset@nchumbalkar.americas.hpqcorp.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
VF Driver should use mailbox command timeout specified in t4fw_interface.h
rather than hard-coded value of 500ms.
Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When a Virtual Machine is rebooted, KVM currently fails to issue a Function
Level Reset against any "Attached PCI Devices" (AKA "PCI Passthrough"). In
addition to leaving the attached device in a random state in the next booted
kernel (which sort of violates the entire idea of a reboot reseting hardware
state), this leaves our peer thinking that the link is still up. (Note that
a bug has been filed with the KVM folks, #25332, but there's been no
response on that as of yet.) So, we add a "->shutdown()" method for the
Virtual Function PCI Device to handle administrative shutdowns like a
reboot.
Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When CONFIG_DEBUG_FS we get "ERR_PTR()"s back from the debugfs routines
instead of NULL. Use the right predicates to check for this.
Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Check module parameter validity in the module initialization routine instead
of the PCI Device Probe routine.
Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The problematic boards have a recommended reference divider
to be used when spread spectrum is enabled on the laptop panel.
Enable the use of the recommended reference divider along with
the new pll algo.
v2: testing options
v3: When using the fixed reference divider with LVDS, prefer
min m to max p and use fractional feedback dividers.
Fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=28852https://bugzilla.kernel.org/show_bug.cgi?id=24462https://bugzilla.kernel.org/show_bug.cgi?id=26552
MacbookPro issues reported by Justin Mattock <justinmattock@gmail.com>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
With the specification of hardware,
the processing at the time of driver starting was modified.
This device write automatically the MAC address read from serial ROM
into a MAC Adress1A/1B register at the time of power on reset.
However, when stable clock is not supplied,
the writing of MAC Adress1A/1B register may not be completed.
In this case, it is necessary to load MAC address to MAC Address1A/1B register
by the MAC Address1 load register.
This patch always does the above processing,
in order not to be dependent on system environment.
Signed-off-by: Toshiharu Okada <toshiharu-linux@dsn.okisemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fixes this build warning:
drivers/net/wireless/iwlwifi/iwl-3945.c:411:13: warning: 'iwl3945_good_plcp_health' defined but not used
As per Johannes Berg.
Signed-off-by: David S. Miller <davem@davemloft.net>
The statement 'select CAN_SOFTING' may ignore the dependancies
for CAN_SOFTING while selecting CAN_SOFTING_CS, as is therefore a bad choice.
Signed-off-by: Kurt Van Dijck <kurt.van.dijck@eia.be>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
* 'rtc-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
RTC: Fix minor compile warning
RTC: Convert rtc drivers to use the alarm_irq_enable method
RTC: Fix rtc driver ioctl specific shortcutting
Currently when two or more buffers are queued by the camera driver
and so the double buffering is enabled in the idmac, we lose one
frame comming from CSI since the reporting of arrival of the first
frame is deferred by the DMAIC_7_EOF interrupt handler and reporting
of the arrival of the last frame is not done at all. So when requesting
N frames from the image sensor we actually receive N - 1 frames in
user space.
The reason for this behaviour is that the DMAIC_7_EOF interrupt
handler misleadingly assumes that the CUR_BUF flag is pointing to the
buffer used by the IDMAC. Actually it is not the case since the
CUR_BUF flag will be flipped by the FSU when the FSU is sending the
<TASK>_NEW_FRM_RDY signal when new frame data is delivered by the CSI.
When sending this singal, FSU updates the DMA_CUR_BUF and the
DMA_BUFx_RDY flags: the DMA_CUR_BUF is flipped, the DMA_BUFx_RDY
is cleared, indicating that the frame data is beeing written by
the IDMAC to the pointed buffer. DMA_BUFx_RDY is supposed to be
set to the ready state again by the MCU, when it has handled the
received data. DMAIC_7_CUR_BUF flag won't be flipped here by the
IPU, so waiting for this event in the EOF interrupt handler is wrong.
Actually there is no spurious interrupt as described in the comments,
this is the valid DMAIC_7_EOF interrupt indicating reception of the
frame from CSI.
The patch removes code that waits for flipping of the DMAIC_7_CUR_BUF
flag in the DMAIC_7_EOF interrupt handler. As the comment in the
current code denotes, this waiting doesn't help anyway. As a result
of this removal the reporting of the first arrived frame is not
deferred to the time of arrival of the next frame and the drivers
software flag 'ichan->active_buffer' is in sync with DMAIC_7_CUR_BUF
flag, so the reception of all requested frames works.
This has been verified on the hardware which is triggering the
image sensor by the programmable state machine, allowing to
obtain exact number of frames. On this hardware we do not tolerate
losing frames.
This patch also removes resetting the DMA_BUFx_RDY flags of
all channels in ipu_disable_channel() since transfers on other
DMA channels might be triggered by other running tasks and the
buffers should always be ready for data sending or reception.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Reviewed-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Tested-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This PCH_GBE driver had an issue that the receiving data is not normal.
This driver had not removed correctly the padding data
which the DMA include in receiving data.
This patch fixed this issue.
Signed-off-by: Toshiharu Okada <toshiharu-linux@dsn.okisemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch enables it by default when the driver starts.
This has been required by many people and seems to actually be
useful on STB.
At any rate, the WoL modes can be selected and turned-on/off
by using the ethtool at run-time by users.
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If alloc_skb() fails to allocate memory and returns NULL then we want to
return -ENOMEM from drivers/atm/solos-pci.c::popen() regardless of the
value of net_ratelimit(). The way the code is today, we may not return if
net_ratelimit() returns 0, then we'll proceed to pass a NULL pointer to
skb_put() which will blow up in our face.
This patch ensures that we always return -ENOMEM on alloc_skb() failure
and only let the dev_warn() be controlled by the value of net_ratelimit().
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
In drivers/net/usb/hso.c::hso_create_bulk_serial_device() we have this
code:
...
serial = kzalloc(sizeof(*serial), GFP_KERNEL);
if (!serial)
goto exit;
...
exit:
hso_free_tiomget(serial);
...
hso_free_tiomget() directly dereferences its argument, which in the
example above is a NULL pointer, ouch.
I could just add a 'if (serial)' test at the 'exit' label, but since most
freeing functions in the kernel accept NULL pointers (and it seems like
this was also assumed here) I opted to instead change 'hso_free_tiomget()'
so that it is safe to call it with a NULL argument. I also modified the
function to get rid of a pointles conditional before the call to
'usb_free_urb()' since that function already tests for NULL itself -
besides fixing the NULL deref this change also buys us a few bytes in
size.
Before:
$ size drivers/net/usb/hso.o
text data bss dec hex filename
32200 592 9960 42752 a700 drivers/net/usb/hso.o
After:
$ size drivers/net/usb/hso.o
text data bss dec hex filename
32196 592 9960 42748 a6fc drivers/net/usb/hso.o
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jesper Juhl noticed that l2_pull_iqueue() does not
check to see if alloc_skb() fails.
Fix this by first trying to reallocate the headroom
if necessary, rather than later after we've made hard
to undo state changes.
Reported-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
* 'intel/drm-intel-fixes' of /ssd/git/drm-next:
drm/i915: Fix resume regression from 5d1d0cc
drm/i915/tv: Use polling rather than interrupt-based hotplug
drm/i915: Trigger modesetting if force-audio changes
drm/i915/sdvo: If we have an EDID confirm it matches the mode of the connection
drm/i915: Disable RC6 on Ironlake
drm/i915/lvds: Restore dithering on native modes for gen2/3
drm/i915: Invalidate TLB caches on SNB BLT/BSD rings
Makes debugging CS rejections much easier.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
This is an important security fix because we allowed arbitrary values
to be passed to AARESOLVE_OFFSET. This also puts the right buffer address
in the register.
Signed-off-by: Marek Olšák <maraeo@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Not only is linear aligned supposedly more performant,
linear general is only supported by the CB in single
slice mode. The texture hardware doesn't support
linear general, but I think the hw automatically
upgrades it to linear aligned.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Not only is linear aligned supposedly more performant,
linear general is only supported by the CB in single
slice mode. The texture hardware doesn't support
linear general, but I think the hw automatically
upgrades it to linear aligned.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
My evergreen has been in a remote PC for week and reset has never once
saved me from certain doom, I finally relocated to the box with a
serial cable and noticed an oops when the GPU resets, and the TTM
delayed delete thread tries to remove something from the GTT.
This stops the delayed delete thread from executing across the GPU
reset handler, and woot I can GPU reset now.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Based on 6xx/7xx endian fixes from Cédric Cano.
v2: fix typo in shader
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
agd5f: minor cleanups
Signed-off-by: Cédric Cano <ccano@interfaceconcept.com>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
agd5f: minor cleanups
Signed-off-by: Cédric Cano <ccano@interfaceconcept.com>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
The colorbuffer, zbuffer, and texture states are checked only once when
they get changed. This improves performance in the apps which emit
lots of draw packets and few state changes.
This drops performance in glxgears by a 1% or so, but glxgears is not
a benchmark we care about.
The time spent in the kernel when running Torcs dropped from 33% to 23%
and the frame rate is higher, which is a good thing.
r600 might need something like this as well.
Signed-off-by: Marek Olšák <maraeo@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
In the continuing effort to avoid kernel addresses leaking to unprivileged
users, this patch switches to %pK for /proc/dri/*/vma.
Signed-off-by: Kees Cook <kees.cook@canonical.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
PPC Mac cards do not provide connector tables in
their vbios. Their connector/encoder configurations
must be hardcoded in the driver.
verified by nyef on #radeon
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/gpu/drm/radeon/mkregtable.c:parser_auth() almost always remembers
to fclose(file) before returning, but it misses two spots.
This is not really important since the process will exit shortly after and
thus close the file for us, but being explicit prevents static analysis
tools from complaining about leaked memory and missing fclose() calls and
it also seems to be the prefered style of the existing code to explicitly
close the file.
So, here's a patch to add the two missing fclose() calls.
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
- set scaler table clears the interleave bit, need to
reset it in encoder quirks, this was already done for
pre-dce4.
- remove the interleave settings from set_base() functions
this is now handled in the encoder quirks functions, and
isn't technically part of the display base setup.
- rename evergreen_do_set_base() to dce4_do_set_base() since
it's used on both evergreen and NI asics.
Fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=28182
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
The old code dereferenced a value, the new code just needs to pass
the ptr.
fixes an oops looking at files in debugfs.
cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
