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git://git.pengutronix.de/git/wsa/linux
Pull i2c embedded fixes from Wolfram Sang:
"Two patches are usual stuff.
The bigger patch is needed to correct a wrong decision made in this
merge window. We hoped to get the PIOQUEUE mode in the mxs driver
working with DMA, but it turned out to be too broken (leading to data
loss), so we now think it is best to remove it entirely and work only
with DMA now. The patch should be in 3.7. IMO, so users never get
the chance to use both modes in parallel."
* 'i2c-embedded/for-current' of git://git.pengutronix.de/git/wsa/linux:
i2c: tegra: set irq name as device name
i2c-nomadik: Fixup clock handling
i2c: mxs: remove broken PIOQUEUE support
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Pull drm fixes from Dave Airlie:
"Scattered selection of fixes:
- radeon: load detect fixes from SuSE/AMD
- intel: misc i830, sdvo regression, vesafb kickoff ums fix
- exynos: maintainers entry update + fixes
- udl: fix stride scanout issue
it's slightly bigger than I'd probably like, but nothing looked
dangerous enough to hold off on."
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/udl: fix stride issues scanning out stride != width*bpp
drm/radeon: add load detection support for ext DAC on R200 (v2)
DRM/radeon: For single CRTC GPUs move handling of CRTC_CRT_ON to crtc_dpms().
DRM/Radeon: Fix TV DAC Load Detection for single CRTC chips.
DRM/Radeon: Clean up code in TV DAC load detection.
drm/radeon: fix ATPX function documentation
drivers/gpu/drm/radeon/evergreen_cs.c: Remove unnecessary semicolon
DRM/Radeon: On DVI-I use Load Detection when EDID is bogus.
DRM/Radeon: Fix primary DAC Load Detection for RV100 chips.
DRM/Radeon: Fix Load Detection on legacy primary DAC.
drm: exynos: removed warning due to missing typecast for mixer driver data
drm/exynos: add support for ARCH_MULTIPLATFORM
MAINTAINERS: Add git repository for Exynos DRM
drm/exynos: fix display on issue
drm/i915: Only kick out vesafb if we takeover the fbcon with KMS
drm/i915: be less verbose about inability to provide vendor backlight
drm/i915: clear the entire sdvo infoframe buffer
drm/i915: VGA needs to be on pipe A on i830M
drm/i915: fix overlay on i830M
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Pull networking fixes from David Miller:
"First post-Sandy pull request"
1) Fix antenna gain handling and initialization of chan->max_reg_power
in wireless, from Felix Fietkau.
2) Fix nexthop handling in H.232 conntrack helper, from Julian
Anastasov.
3) Only process 80211 mesh config header in certain kinds of frames,
from Javier Cardona.
4) 80211 management frame header length needs to be validated, from
Johannes Berg.
5) Don't access free'd SKBs in ath9k driver, from Felix Fietkay.
6) Test for permanent state correctly in VXLAN driver, from Stephen
Hemminger.
7) BNX2X bug fixes from Yaniv Rosner and Dmitry Kravkov.
8) Fix off by one errors in bonding, from Nikolay ALeksandrov.
9) Fix divide by zero in TCP-Illinois congestion control. From Jesper
Dangaard Brouer.
10) TCP metrics code says "Yo dawg, I heard you like sizeof, so I did a
sizeof of a sizeof, so you can size your size" Fix from Julian
Anastasov.
11) Several drivers do mdiobus_free without first doing an
mdiobus_unregister leading to stray pointer references. Fix from
Peter Senna Tschudin.
12) Fix OOPS in l2tp_eth_create() error path, it's another danling
pointer kinda situation. Fix from Tom Parkin.
13) Hardware driven by the vmxnet driver can't handle larger than 16K
fragments, so split them up when necessary. From Eric Dumazet.
14) Handle zero length data length in tcp_send_rcvq() properly. Fix
from Pavel Emelyanov.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (38 commits)
tcp-repair: Handle zero-length data put in rcv queue
vmxnet3: must split too big fragments
l2tp: fix oops in l2tp_eth_create() error path
cxgb4: Fix unable to get UP event from the LLD
drivers/net/phy/mdio-bitbang.c: Call mdiobus_unregister before mdiobus_free
drivers/net/ethernet/nxp/lpc_eth.c: Call mdiobus_unregister before mdiobus_free
bnx2x: fix HW initialization using fw 7.8.x
tcp: Fix double sizeof in new tcp_metrics code
net: fix divide by zero in tcp algorithm illinois
net: sctp: Fix typo in net/sctp
bonding: fix second off-by-one error
bonding: fix off-by-one error
bnx2x: Disable FCoE for 57840 since not yet supported by FW
bnx2x: Fix no link on 577xx 10G-baseT
bnx2x: Fix unrecognized SFP+ module after driver is loaded
bnx2x: Fix potential incorrect link speed provision
bnx2x: Restore global registers back to default.
bnx2x: Fix link down in 57712 following LFA
bnx2x: Fix 57810 1G-KR link against certain switches.
ixgbe: PTP get_ts_info missing software support
...
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vmxnet3 has a 16Kbytes limit per tx descriptor, that happened to work
as long as we provided PAGE_SIZE fragments.
Our stack can now build larger fragments, so we need to split them to
the 16kbytes boundary.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: jongman heo <jongman.heo@samsung.com>
Tested-by: jongman heo <jongman.heo@samsung.com>
Cc: Shreyas Bhatewara <sbhatewara@vmware.com>
Reviewed-by: Bhavesh Davda <bhavesh@vmware.com>
Signed-off-by: Shreyas Bhatewara <sbhatewara@vmware.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If T4 configuration file gets loaded from the /lib/firmware/cxgb4/ directory
then offload capabilities of the cards were getting disabled during
initialization. Hence ULDs do not get an UP event from the LLD.
Signed-off-by: Jay Hernandez <jay@chelsio.com>
Signed-off-by: Vipul Pandya <vipul@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Based on commit b27393aecf66199f5ddad37c302d3e0cfadbe6c0
Calling mdiobus_free without calling mdiobus_unregister causes
BUG_ON(). This patch fixes the issue.
The semantic patch that found this issue(http://coccinelle.lip6.fr/):
// <smpl>
@@
expression E;
@@
... when != mdiobus_unregister(E);
+ mdiobus_unregister(E);
mdiobus_free(E);
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Based on commit b27393aecf66199f5ddad37c302d3e0cfadbe6c0
Calling mdiobus_free without calling mdiobus_unregister causes
BUG_ON(). This patch fixes the issue.
The semantic patch that found this issue(http://coccinelle.lip6.fr/):
// <smpl>
@@
expression E;
@@
... when != mdiobus_unregister(E);
+ mdiobus_unregister(E);
mdiobus_free(E);
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Tested-by: Roland Stigge <stigge@antcom.de>
Tested-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since commit 96bed4b9 (use FW 7.8.2) BRB HW block needs to be
initialized using fw values for all devices.
Otherwise ETS on 57712/578xx will not work.
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management update from Rafael J. Wysocki:
"Change the email address of the powernow-k8 maintainer."
* tag 'pm-for-3.7-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq / powernow-k8: Change maintainer's email address
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input subsystem fixes from Dmitry Torokhov:
"Just a few driver fixes."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: tsc40 - remove wrong announcement of pressure support
Input: lpc32xx-keys - select INPUT_MATRIXKMAP
Input: pxa27x_keypad - clear pending interrupts on keypad config
Input: wacom - correct bad Cintiq 24HD check
Input: wacom - add INPUT_PROP_DIRECT flag to Cintiq 24HD
Input: egalax_ts - get gpio from devicetree
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Pull more scsi target fixes from Nicholas Bellinger:
"This series is a second round of target fixes for v3.7-rc4 that have
come into target-devel over the last days, and are important enough to
be applied ASAP.
All are being CC'ed to stable. The most important two are:
- target: Re-add explict zeroing of INQUIRY bounce buffer memory to
fix a regression for handling zero-length payloads, a bug that went
during v3.7-rc1, and hit >= v3.6.3 stable. (nab + paolo)
- iscsi-target: Fix a long-standing missed R2T wakeup race in TX
thread processing when using a single queue slot. (Roland)
Thanks to Roland & PureStorage team for helping to track down this
long standing race with iscsi-target single queue slot operation.
Also, the tcm_fc(FCoE) regression bug that was observed recently with
-rc2 code has also been resolved with the cancel_delayed_work() return
bugfix (commit c0158ca64da5: "workqueue: cancel_delayed_work() should
return %false if work item is idle") now in -rc3. Thanks again to Yi
Zou, MDR, Robert Love @ Intel for helping to track this down."
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
target: Fix incorrect usage of nested IRQ spinlocks in ABORT_TASK path
iscsi-target: Fix missed wakeup race in TX thread
target: Avoid integer overflow in se_dev_align_max_sectors()
target: Don't return success from module_init() if setup fails
target: Re-add explict zeroing of INQUIRY bounce buffer memory
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git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
"An e-mail address update, and fix a compile error on SPARC"
* tag 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: Only include of_match_table with CONFIG_OF_GPIO
hwmon, fam15h_power: Change email address, MAINTAINERS entry
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git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
Pull Xen bugfixes from Konrad Rzeszutek Wilk:
- Use appropriate macros instead of hand-rolling our own (ARM).
- Fixes if FB/KBD closed unexpectedly.
- Fix memory leak in /dev/gntdev ioctl calls.
- Fix overflow check in xenbus_file_write.
- Document cleanup.
- Performance optimization when migrating guests.
* tag 'stable/for-linus-3.7-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xen/mmu: Use Xen specific TLB flush instead of the generic one.
xen/arm: use the __HVC macro
xen/xenbus: fix overflow check in xenbus_file_write()
xen-kbdfront: handle backend CLOSED without CLOSING
xen-fbfront: handle backend CLOSED without CLOSING
xen/gntdev: don't leak memory from IOCTL_GNTDEV_MAP_GRANT_REF
x86: remove obsolete comment from asm/xen/hypervisor.h
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When watching the irqs name of tegra i2c, all instances
irq name shows as tegra_i2c.
Passing the device name properly to have the irq names with
instance like tegra-i2c.0, tegra-i2c.1 etc.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
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Make sure to clk_prepare as well as clk_enable.
Signed-off-by: Philippe Begnic <philippe.begnic@stericsson.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
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This I2C master can do DMA and PIOQUEUE (PIO with FIFO). Originally,
only PIOQUEUE was supported and it had issues, then DMA support was added
this cycle. The original intention was to keep PIOQUEUE since it has
less overhead what is nice for small transfers. However, runtime
switching between PIOQEUE and DMA depending on the transfer size never
worked despite a lot of trying. Since PIOQUEUE mode itself was flaky
(polling at places where interrupts failed to work) and the
implementation also imposed a size limit for transfers, it is best to
remove the support, so users don't fall over its limitations. It also
makes the driver a lot cleaner and more robust. If somebody really wants
less overhead, plain PIO mode could still be implemented with the
addidtional advantage that this mode is also available on MX23, too.
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Reviewed-by: Marek Vasut <marex@denx.de>
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When buffer sharing with the i915 and using a 1680x1050 monitor,
the i915 gives is a 6912 buffer for the 6720 width, the code doesn't
render this properly as it uses one value to set the base address for
reading from the vmap and for where to start on the device.
This fixes it by calculating the values correctly for the device and
for the pixmap. No idea how I haven't seen this before now.
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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The following fixes build errors on sparc. Without any DT support,
of_match_ptr is NULL and the below is a no-op. However, if just
CONFIG_OF is defined then so is of_match_ptr.
All useful parts of the gpio-fan DT support rely on CONFIG_OF_GPIO
anyway, so of_match_table should too.
Signed-off-by: Jamie Lentin <jm@lentin.co.uk>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos into drm-fixes
Inki writes:
"As I posted before, we have added a new git repository for Exynos drm
to MAINTAINERS file so change it to new one like below,
from git://git.infradead.org/users/kmpark/linux-samsung
to git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos
And this pull request includes the following:
- fix display on issue when user requested dpms mode changing.
- add git repository for Exynos drm to MAINTAINERS file.
- add support for ARCH_MULTIPLATFORM.
- and code clean."
* 'exynos-drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos:
drm: exynos: removed warning due to missing typecast for mixer driver data
drm/exynos: add support for ARCH_MULTIPLATFORM
MAINTAINERS: Add git repository for Exynos DRM
drm/exynos: fix display on issue
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into drm-fixes
Alex writes:
"This request is mostly load detection fixes from Egbert and me."
* 'drm-fixes-3.7' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: add load detection support for ext DAC on R200 (v2)
DRM/radeon: For single CRTC GPUs move handling of CRTC_CRT_ON to crtc_dpms().
DRM/Radeon: Fix TV DAC Load Detection for single CRTC chips.
DRM/Radeon: Clean up code in TV DAC load detection.
drm/radeon: fix ATPX function documentation
drivers/gpu/drm/radeon/evergreen_cs.c: Remove unnecessary semicolon
DRM/Radeon: On DVI-I use Load Detection when EDID is bogus.
DRM/Radeon: Fix primary DAC Load Detection for RV100 chips.
DRM/Radeon: Fix Load Detection on legacy primary DAC.
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git://people.freedesktop.org/~danvet/drm-intel into drm-fixes
Daniel Vetter writes"
Nothing big at all for -fixes, just small stuff:
- Two patches to fix bugs on i830M
- ums regression fixer due to kicking firmeware fbs (Chris)
- tune down a too loud warning (Jani)
- be more careful with sdvo infoframes, which fixes a long-standing
sdvo-hdmi regression"
* 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel:
drm/i915: Only kick out vesafb if we takeover the fbcon with KMS
drm/i915: be less verbose about inability to provide vendor backlight
drm/i915: clear the entire sdvo infoframe buffer
drm/i915: VGA needs to be on pipe A on i830M
drm/i915: fix overlay on i830M
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Fix off-by-one error because IFNAMSIZ == 16 and when this
code gets executed we stick a NULL byte where we should not.
How to reproduce:
with CONFIG_CC_STACKPROTECTOR=y (otherwise it may pass by silently)
modprobe bonding; echo 1 > /sys/class/net/bond0/bonding/mode;
echo "AAAAAAAAAAAAAAAA" > /sys/class/net/bond0/bonding/active_slave;
Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Note: Sorry for the second patch but I missed this one while checking
the file. You can squash them into one patch.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix off-by-one error because IFNAMSIZ == 16 and when this
code gets executed we stick a NULL byte where we should not.
How to reproduce:
with CONFIG_CC_STACKPROTECTOR=y (otherwise it may pass by silently)
modprobe bonding; echo 1 > /sys/class/net/bond0/bonding/mode;
echo "AAAAAAAAAAAAAAAA" > /sys/class/net/bond0/bonding/primary;
Signed-off-by: Nikolay Aleksandrov <nikolay@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since the Warpcore supports various link types, need to set only the correct
supported modes for XFI which is the serdes interface for the 10G-baseT PHY.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Barak Witkowski <barak@broadcom.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When SFP+ module is plugged in after driver is already loaded, it may not be
recognized, so set SFP module recognition time up to 300ms, without resetting
the module power in the middle.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Barak Witkowski <barak@broadcom.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix possible incorrect link speed provision following rapid link speed change.
Clear link speed mask after each link change, and not only after link down.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Barak Witkowski <barak@broadcom.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Several KR registers were not set correctly back to default after
loopback test, so set those global registers over the global WC lane (zero)
rather than the current lane.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Barak Witkowski <barak@broadcom.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In case of link flap avoidance between PXE boot and bnx2x, set the appropriate
PHY DEVAD even if LFA kicks in.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Barak Witkowski <barak@broadcom.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix 1G KR link by restoring CL72 misc control register to default value rather
than 0.
Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Barak Witkowski <barak@broadcom.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch corrects the ethtool get_ts_info functon which did not state that
software timestamping was supported, even though it is.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
CC: Stable <stable@vger.kernel.org> [3.5]
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The R200 asics use an external DAC for the secondary DAC.
The current KMS code tries to use code for the integrated
TV DAC for R200 which leads to unpredictable results since
R200 does not have an integrated TV DAC. This patch ports
the external DAC load detection support from the UMS
driver to KMS.
v2: fix typo in loop break logic
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Egbert Eich <eich@suse.de>
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On all dual CRTC GPUs the CRTC_CRT_ON in the RADEON_CRTC_EXT_CNTL register
controls the CRTC of the primary DAC. Therefore it is set in the DAC DMPS
function.
This is different for GPU's with a single CRTC but a primary and a
TV DAC: here it controls the single CRTC no matter where it is routed.
Therefore we set it here. This avoids an elaborate on/off state tracking
since both primary_dac_dpms() and tv_dac_dpms() functions would have
to touch this bit.
On single CRTC GPUs with just one DAC it's irrelevant where this bit
is handled.
agd5f: fix warning
Signed-off-by: Egbert Eich <eich@suse.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The RN50 has a TV DAC but only a single CRTC. For load detection this
DAC is controlled by the primary CRTC.
Signed-off-by: Egbert Eich <eich@suse.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Signed-off-by: Egbert Eich <eich@suse.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Fix a copy&pasted documentation.
Signed-off-by: Igor Murzov <e-mail@date.by>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
@r1@
statement S;
position p,p1;
@@
S@p1;@p
@script:python r2@
p << r1.p;
p1 << r1.p1;
@@
if p[0].line != p1[0].line_end:
cocci.include_match(False)
@@
position r1.p;
@@
-;@p
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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The Radeon driver uses the analog/digital flag to determine if the
DAC or the TMDS encoder should be enabled on a DVI-I connector.
If the EDID is bogus this flag is no longer reliable. This fix
adds a fallback to DAC load detection to determine if anything
is connected to the DAC. If not and a (bogus) EDID is found it
assumes a digital display is connected.
This works around problems with some crappy IPMI devices using
Radeon ES1000.
Signed-off-by: Egbert Eich <eich@suse.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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For Radeon 7500 ATI recommends a DAC_FORCE value of 0x1ac. This value
works better on ES1000 (RV100) chips, too, as it doesn't produce any false
positives on any cards I have tested. Therefore let's assume that this
value is good for all RV100 and RV200 chipset generations.
Signed-off-by: Egbert Eich <eich@suse.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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An uninitialized variable led to broken load detection.
Signed-off-by: Egbert Eich <eich@suse.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
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This patch changes core_tmr_abort_task() to use spin_lock -> spin_unlock
around se_cmd->t_state_lock while spin_lock_irqsave is held via
se_sess->sess_cmd_lock.
Signed-off-by: Steve Hodgson <steve@purestorage.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Cc: stable@vger.kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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The sleeping code in iscsi_target_tx_thread() is susceptible to the classic
missed wakeup race:
- TX thread finishes handle_immediate_queue() and handle_response_queue(),
thinks both queues are empty.
- Another thread adds a queue entry and does wake_up_process(), which does
nothing because the TX thread is still awake.
- TX thread does schedule_timeout() and sleeps forever.
In practice this can kill an iSCSI connection if for example an initiator
does single-threaded writes and the target misses the wakeup window when
queueing an R2T; in this case the connection will be stuck until the
initiator loses patience and does some task management operation (or kills
the connection entirely).
Fix this by converting to wait_event_interruptible(), which does not
suffer from this sort of race.
Signed-off-by: Roland Dreier <roland@purestorage.com>
Cc: Andy Grover <agrover@redhat.com>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Christoph Hellwig <hch@lst.de>
Cc: stable@vger.kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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The expression (max_sectors * block_size) might overflow a u32
(indeed, since iblock sets max_hw_sectors to UINT_MAX, it is
guaranteed to overflow and end up with a much-too-small result in many
common cases). Fix this by doing an equivalent calculation that
doesn't require multiplication.
While we're touching this code, avoid splitting a printk format across
two lines and use pr_info(...) instead of printk(KERN_INFO ...).
Signed-off-by: Roland Dreier <roland@purestorage.com>
Cc: stable@vger.kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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If the call to core_dev_release_virtual_lun0() fails, then nothing
sets ret to anything other than 0, so even though everything is
torn down and freed, target_core_init_configfs() will seem to succeed
and the module will be loaded. Fix this by passing the return value
on up the chain.
Signed-off-by: Roland Dreier <roland@purestorage.com>
Cc: stable@vger.kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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This patch fixes a regression in spc_emulate_inquiry() code where the
local scope bounce buffer was no longer getting it's memory zeroed,
causing various problems with SCSI initiators that depend upon areas
of INQUIRY EVPD=0x83 payload having been zeroed.
This bug was introduced with the following v3.7-rc1 patch + CC'ed
stable commit:
commit ffe7b0e9326d9c68f5688bef691dd49f1e0d3651
Author: Paolo Bonzini <pbonzini@redhat.com>
Date: Fri Sep 7 17:30:38 2012 +0200
target: support zero allocation length in INQUIRY
Go ahead and re-add the missing memset of bounce buffer memory to be
copied into the outgoing se_cmd descriptor kmapped SGL payload.
Reported-by: Kelsey Prantis <kelsey.prantis@intel.com>
Cc: Kelsey Prantis <kelsey.prantis@intel.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Andy Grover <agrover@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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Pull scsi target fixes from Nicholas Bellinger:
"These are the current target pending fixes headed for v3.7-rc4 code.
This includes the following highlights:
- Fix long-standing qla2xxx target bug where certain fc_port_t state
transitions could cause the internal session b-tree list to become
out-of-sync. (Roland)
- Fix task management double free of se_cmd descriptor in exception
path for users of target_submit_tmr(). (nab)
- Re-introduce simple NOP emulation of REZERO_UNIT, SEEK_6, and
SEEK_10 SCSI-2 commands in order to support legacy initiators that
still require them. (Bernhard)
Note these three patches are also CC'ed to stable.
Also, there a couple of outstanding (external) regressions that are
still being tracked down for tcm_fc(FCoE) and tcm_vhost fabrics for
v3.7.0 code, so please expect another PULL as these issues identified
-> resolved."
* git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
target: reintroduce some obsolete SCSI-2 commands
target: Fix double-free of se_cmd in target_complete_tmr_failure
qla2xxx: Update target lookup session tables when a target session changes
tcm_qla2xxx: Format VPD page 83h SCSI name string according to SPC
qla2xxx: Add missing ->vport_slock while calling qlt_update_vp_map
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Pull nouveau fixes from Dave Airlie:
"Just a nouveau set, since we have a couple of reports on lkml and
dri-devel of regressions that this should fix I sent it along on its
own."
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/nouveau: headless mode by default if pci class != vga display
drm/nouveau: resurrect headless mode since rework
drm/nv50/fb: prevent oops on chipsets without compression tags
drm/nouveau: allow creation of zero-sized mm
drm/nouveau/i2c: fix typo when checking nvio i2c port validity
drm/nouveau: silence modesetting spam on pre-gf8 chipsets
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID updates from Jiri Kosina:
"This contains fixes for two devices by Jiri Slaby and Xianhan Yu, new
device IDs for MacBook Pro 10,2 from Dirk Hohndel and generic
multitouch code fix from Alan Cox."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: Add support for the MacBook Pro 10,2 keyboard / touchpad
HID: multitouch: fix maxcontacts problem on GeneralTouch
HID: multitouch: put the case in the right switch statement
HID: microsoft: fix invalid rdesc for 3k kbd
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Change the Andreas' email address in drivers/cpufreq/powernow-k8.c.
Signed-off-by: Andreas Herrmann <herrmann.der.user@googlemail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
John W. Linville says:
====================
This is a batch of fixes intended for 3.7...
The biggest portion of this is a pull request from Johannes Berg:
"Please pull my mac80211.git tree per below to get a number of fixes. I
have included a patch from Antonio to fix a memcpy overrun, Felix's
patches for the antenna gain/tx power issues, a few mesh-related fixes
from Javier for mac80211 and my own patches to not access data that
might not be present in an skb at all as well as a patch (the duplicate
IE check one) to make mac80211 forward-compatible with potential future
spec extensions that use the same IE multiple times.
It's a bit bigger than I'd like maybe, but I think all of these are
worthwhile fixes at this point."
In addition...
Felix Fietkau fixes an ath9k use-after-free issue.
Stanislaw Gruszka adds a valid value check to rt2800.
Sven Eckelmann adds a check to only check a TID value in a BlockAck, for
frames that could be either a BlockAck or a normal Ack.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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