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Not necessary for VRAM.
v2: no need to check if ttm is NULL.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management and ACPI fixes from Rafael Wysocki:
"These fix a recent regression in the ACPI PCI host bridge
initialization code, clean up some recent changes (generic power
domains framework, ACPI AML debugger support), fix three older but
annoying bugs (PCI power management. generic power domains framework,
cpufreq) and a build problem (device properties framework), and update
a stale MAINTAINERS entry (ACPI backlight driver).
Specifics:
- Fix a regression in the ACPI PCI host bridge initialization code
introduced by the recent consolidation of the host bridge handling
on x86 and ia64 that forgot to take one special piece of code
related to NUMA on x86 into account (Liu Jiang).
- Improve the Kconfig help description of the new ACPI AML debugger
support option to avoid possible confusion (Peter Zijlstra).
- Remove a piece of code in the generic power domains framework that
should have been removed by one of the recent commits modifying
that code (Ulf Hansson).
- Reduce the log level of a PCI PM message that generates a lot of
false-positive log noise for some drivers and improve the message
itself while at it (Imre Deak).
- Fix the OF-based domain lookup code in the generic power domains
framework to make it drop references to DT nodes correctly (Eric
Anholt).
- Prevent the cpufreq core from setting the policy back to the
default after a CPU offline/online cycle for cpufreq drivers
providing the ->setpolicy callback (Srinivas Pandruvada).
- Fix a build problem for CONFIG_ACPI unset in the device properties
framework (Hanjun Guo).
- Fix a stale file path in the ACPI backlight driver entry in
MAINTAINERS (Dan Carpenter)"
* tag 'pm+acpi-4.4-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM / Domains: Fix bad of_node_put() in failure paths of genpd_dev_pm_attach()
cpufreq: use last policy after online for drivers with ->setpolicy
PCI / PM: Tune down retryable runtime suspend error messages
PM / Domains: Validate cases of a non-bound driver in genpd governor
MAINTAINERS: ACPI / video: update a file name in drivers/acpi/
ACPI / property: fix compile error for acpi_node_get_property_reference() when CONFIG_ACPI=n
x86/PCI/ACPI: Fix regression caused by commit 4d6b4e69a245
ACPI: Better describe ACPI_DEBUGGER
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Since d8a1cb757550 ("PCI/MSI: Let pci_msi_get_domain use struct
device::msi_domain"), we use the MSI domain associated with the PCI device.
But finding an MSI domain doesn't mean that the domain is implemented using
the generic MSI domain API, and a number of MSI controllers are still using
arch_setup_msi_irq() and arch_teardown_msi_irqs().
Check that the domain we just obtained is hierarchical. If it is, we can
use the new generic MSI stuff. Otherwise we have to fall back to the old
arch_setup_msi_irq() and arch_teardown_msi_irqs() interfaces.
This avoids an oops in msi_domain_alloc_irqs() on systems with R-Car,
Tegra, Armada 370, and probably other DesignWare-based host controllers.
Fixes: d8a1cb757550 ("PCI/MSI: Let pci_msi_get_domain use struct device::msi_domain")
Reported-by: Phil Edworthy <phil.edworthy@renesas.com>
Tested-by: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
CC: stable@vger.kernel.org # v4.3+
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The interrupt handler, ohci_hcd_at91_overcurrent_irq may be called right
after registration. At that time, pdev->dev.platform_data is not yet set,
leading to a NULL pointer dereference.
Fixes: e4df92279fd9 (USB: host: ohci-at91: merge loops in ohci_hcd_at91_drv_probe)
Reported-by: Peter Rosin <peda@axentia.se>
Tested-by: Peter Rosin <peda@axentia.se>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Cc: stable@vger.kernel.org # 4.3+
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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My recent Intel box is spewing these messages:
xhci_hcd 0000:00:14.0: xHCI Host Controller
xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2
usb usb2: New USB device found, idVendor=1d6b, idProduct=0003
usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
usb usb2: Product: xHCI Host Controller
usb usb2: Manufacturer: Linux 4.3.0+ xhci-hcd
usb usb2: SerialNumber: 0000:00:14.0
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 6 ports detected
usb: failed to peer usb2-port2 and usb1-port1 by location (usb2-port2:none) (usb1-port1:usb2-port1)
usb usb2-port2: failed to peer to usb1-port1 (-16)
usb: port power management may be unreliable
usb: failed to peer usb2-port3 and usb1-port1 by location (usb2-port3:none) (usb1-port1:usb2-port1)
usb usb2-port3: failed to peer to usb1-port1 (-16)
usb: failed to peer usb2-port5 and usb1-port1 by location (usb2-port5:none) (usb1-port1:usb2-port1)
usb usb2-port5: failed to peer to usb1-port1 (-16)
usb: failed to peer usb2-port6 and usb1-port1 by location (usb2-port6:none) (usb1-port1:usb2-port1)
usb usb2-port6: failed to peer to usb1-port1 (-16)
Diving into the acpi tables, I noticed the EHCI hub has 12 ports while the XHCI
hub has 8 ports. Most of those ports are of connect type USB_PORT_NOT_USED
(including port 1 of the EHCI hub).
Further the unused ports have location data initialized to 0x80000000.
Now each unused port on the xhci hub walks the port list and finds a matching
peer with port1 of the EHCI hub because the zero'd out group id bits falsely match.
After port1 of the XHCI hub, each following matching peer will generate the
above warning.
These warnings seem to be harmless for this scenario as I don't think it
matters that unused ports could not create a peer link.
The attached patch utilizes that assumption and just turns the pr_warn into
pr_debug to quiet things down.
Tested on my Intel box.
Signed-off-by: Don Zickus <dzickus@redhat.com>
Acked-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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if a full speed hub connects to a high speed hub which
supports MTT, the MTT field of its slot context will be set
to 1 when xHCI driver setups an xHCI virtual device in
xhci_setup_addressable_virt_dev(); once usb core fetch its
hub descriptor, and need to update the xHC's internal data
structures for the device, the HUB field of its slot context
will be set to 1 too, meanwhile MTT is also set before,
this will cause configure endpoint command fail, so in the
case, we should clear MTT to 0 for full speed hub according
to section 6.2.2
Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There is a memory leak because acpi_evaluate_dsm() actually returns an
object which the caller is supposed to release. Fix this by calling
ACPI_FREE() for the returned object (this expands to kfree() so passing
NULL there is fine as well).
While there correct indentation in !CONFIG_ACPI case.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Cc: stable <stable@vger.kernel.org> # v4.2
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Revert commit 033291eccbdb ("vfio: Include No-IOMMU mode") due to lack
of a user. This was originally intended to fill a need for the DPDK
driver, but uptake has been slow so rather than support an unproven
kernel interface revert it and revisit when userspace catches up.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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Commit 4e752f0ab0e8 ("rbd: access snapshot context and mapping size
safely") moved ceph_get_snap_context() out of rbd_img_request_create()
and into rbd_queue_workfn(), adding a ceph_put_snap_context() to the
error path in rbd_queue_workfn(). However, rbd_img_request_create()
consumes a ref on snapc, so calling ceph_put_snap_context() after
a successful rbd_img_request_create() leads to an extra put. Fix it.
Cc: stable@vger.kernel.org # 3.18+
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Reviewed-by: Josh Durgin <jdurgin@redhat.com>
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* pm-domains:
PM / Domains: Fix bad of_node_put() in failure paths of genpd_dev_pm_attach()
PM / Domains: Validate cases of a non-bound driver in genpd governor
* pm-cpufreq:
cpufreq: use last policy after online for drivers with ->setpolicy
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* acpica:
ACPI: Better describe ACPI_DEBUGGER
* acpi-video:
MAINTAINERS: ACPI / video: update a file name in drivers/acpi/
* device-properties:
ACPI / property: fix compile error for acpi_node_get_property_reference() when CONFIG_ACPI=n
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* acpi-pci:
x86/PCI/ACPI: Fix regression caused by commit 4d6b4e69a245
* pm-pci:
PCI / PM: Tune down retryable runtime suspend error messages
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Apparently pre-nv50 pageflip events happen before the actual vblank
period. Therefore that functionality got semi-disabled in
commit af4870e406126b7ac0ae7c7ce5751f25ebe60f28
Author: Mario Kleiner <mario.kleiner.de@gmail.com>
Date: Tue May 13 00:42:08 2014 +0200
drm/nouveau/kms/nv04-nv40: fix pageflip events via special case.
Unfortunately that hack got uprooted in
commit cc1ef118fc099295ae6aabbacc8af94d8d8885eb
Author: Thierry Reding <treding@nvidia.com>
Date: Wed Aug 12 17:00:31 2015 +0200
drm/irq: Make pipe unsigned and name consistent
Triggering a warning when trying to sample the vblank timestamp for a
non-existing pipe. There's a few ways to fix this:
- Open-code the old behaviour, which just enshrines this slight
breakage of the userspace ABI.
- Revert Mario's commit and again inflict broken timestamps, again not
pretty.
- Fix this for real by delaying the pageflip TS until the next vblank
interrupt, thereby making it accurate.
This patch implements the third option. Since having a page flip
interrupt that happens when the pageflip gets armed and not when it
completes in the next vblank seems to be fairly common (older i915 hw
works very similarly) create a new helper to arm vblank events for
such drivers.
v2 (Mario Kleiner):
- Fix function prototypes in drmP.h
- Add missing vblank_put() for pageflip completion without
pageflip event.
- Initialize sequence number for queued pageflip event to avoid
trouble in drm_handle_vblank_events().
- Remove dead code and spelling fix.
v3 (Mario Kleiner):
- Add a signed-off-by and cc stable tag per Ilja's advice.
v4 (Thierry Reding):
- Fix kerneldoc typo, discovered by Michel Dänzer
- Rearrange tags and changelog
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=106431
Cc: Thierry Reding <treding@nvidia.com>
Cc: Mario Kleiner <mario.kleiner.de@gmail.com>
Acked-by: Ben Skeggs <bskeggs@redhat.com>
Cc: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Cc: stable@vger.kernel.org # v4.3
Signed-off-by: Mario Kleiner <mario.kleiner.de@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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A client calling drmSetMaster() using a file descriptor that was opened
when another client was master would inherit the latter client's master
object and all its authenticated clients.
This is unwanted behaviour, and when this happens, instead allocate a
brand new master object for the client calling drmSetMaster().
Fixes a BUG() throw in vmw_master_set().
Cc: <stable@vger.kernel.org>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://git.pengutronix.de/git/pza/linux into drm-fixes
imx-drm crtc, plane, parallel panel, and TV encoder fixes
- Use drm_crtc_send_vblank_event to fix per crtc vblank handling
- Move the crtc device of_node assignment out of the ipuv3-crtc driver into
ipu-common code, where the devices are created.
- Fix parallel display support with simple-panels
- Remove some unused fields and superfluous checks
- Switch to universal planes and add error handling for primary plane creation
- Fix module autoload for TV encoder driver
* tag 'imx-drm-fixes-2015-12-01' of git://git.pengutronix.de/git/pza/linux:
drm: imx: imx-tve: Fix module autoload for OF platform driver
drm: imx: convert to drm_crtc_send_vblank_event()
GPU-DRM-IMX: Delete an unnecessary check before drm_fbdev_cma_restore_mode()
drm/imx: Remove of_node assignment from ipuv3-crtc driver probe
gpu: ipu-v3: Assign of_node of child platform devices to corresponding ports
gpu: ipu-v3: Remove reg_offset field
gpu: ipu-v3: drop unused dmfc field from client platform data
drm/imx: parallel-display: allow to determine bus format from the connected panel
drm/imx: ipuv3-crtc: Return error if ipu_plane_init() fails for primary plane
drm/imx: switch to universal planes
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git://anongit.freedesktop.org/drm-intel into drm-fixes
Another batch of drm/i915 fixes for v4.4, on top of the ones from
earlier this week. One timeout handling regression fix from Chris, and
backport of five patches from our -next to fix a power management
related HDMI hotplug regression.
* tag 'drm-intel-fixes-2015-12-03' of git://anongit.freedesktop.org/drm-intel:
drm/i915: take a power domain reference while checking the HDMI live status
drm/i915: add MISSING_CASE to a few port/aux power domain helpers
drm/i915/ddi: fix intel_display_port_aux_power_domain() after HDMI detect
drm/i915: Introduce a gmbus power domain
drm/i915: Clean up AUX power domain handling
drm/i915: Check the timeout passed to i915_wait_request
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It looks like these meant to be unreffing the
of_parse_phandle_with_args() node, since the error paths above it
don't do of_node_put. That function returns a new ref in pd_args.np,
though, not a new ref on dev->of_node. Also, it would have leaked the
ref in the success case.
Fixes "ERROR: Bad of_node_put()" on bcm2835 in the -EPROBE_DEFER case.
Fixes: aa42240ab254 (PM / Domains: Add generic OF-based PM domain look-up)
Signed-off-by: Eric Anholt <eric@anholt.net>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Kevin Hilman <khilman@linaro.org>
Cc: 3.18+ <stable@vger.kernel.org> # 3.18+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Pull networking fixes from David Miller:
"A lot of Thanksgiving turkey leftovers accumulated, here goes:
1) Fix bluetooth l2cap_chan object leak, from Johan Hedberg.
2) IDs for some new iwlwifi chips, from Oren Givon.
3) Fix rtlwifi lockups on boot, from Larry Finger.
4) Fix memory leak in fm10k, from Stephen Hemminger.
5) We have a route leak in the ipv6 tunnel infrastructure, fix from
Paolo Abeni.
6) Fix buffer pointer handling in arm64 bpf JIT,f rom Zi Shen Lim.
7) Wrong lockdep annotations in tcp md5 support, fix from Eric
Dumazet.
8) Work around some middle boxes which prevent proper handling of TCP
Fast Open, from Yuchung Cheng.
9) TCP repair can do huge kmalloc() requests, build paged SKBs
instead. From Eric Dumazet.
10) Fix msg_controllen overflow in scm_detach_fds, from Daniel
Borkmann.
11) Fix device leaks on ipmr table destruction in ipv4 and ipv6, from
Nikolay Aleksandrov.
12) Fix use after free in epoll with AF_UNIX sockets, from Rainer
Weikusat.
13) Fix double free in VRF code, from Nikolay Aleksandrov.
14) Fix skb leaks on socket receive queue in tipc, from Ying Xue.
15) Fix ifup/ifdown crach in xgene driver, from Iyappan Subramanian.
16) Fix clearing of persistent array maps in bpf, from Daniel
Borkmann.
17) In TCP, for the cross-SYN case, we don't initialize tp->copied_seq
early enough. From Eric Dumazet.
18) Fix out of bounds accesses in bpf array implementation when
updating elements, from Daniel Borkmann.
19) Fill gaps in RCU protection of np->opt in ipv6 stack, from Eric
Dumazet.
20) When dumping proxy neigh entries, we have to accomodate NULL
device pointers properly, from Konstantin Khlebnikov.
21) SCTP doesn't release all ipv6 socket resources properly, fix from
Eric Dumazet.
22) Prevent underflows of sch->q.qlen for multiqueue packet
schedulers, also from Eric Dumazet.
23) Fix MAC and unicast list handling in bnxt_en driver, from Jeffrey
Huang and Michael Chan.
24) Don't actively scan radar channels, from Antonio Quartulli"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (110 commits)
net: phy: reset only targeted phy
bnxt_en: Setup uc_list mac filters after resetting the chip.
bnxt_en: enforce proper storing of MAC address
bnxt_en: Fixed incorrect implementation of ndo_set_mac_address
net: lpc_eth: remove irq > NR_IRQS check from probe()
net_sched: fix qdisc_tree_decrease_qlen() races
openvswitch: fix hangup on vxlan/gre/geneve device deletion
ipv4: igmp: Allow removing groups from a removed interface
ipv6: sctp: implement sctp_v6_destroy_sock()
arm64: bpf: add 'store immediate' instruction
ipv6: kill sk_dst_lock
ipv6: sctp: add rcu protection around np->opt
net/neighbour: fix crash at dumping device-agnostic proxy entries
sctp: use GFP_USER for user-controlled kmalloc
sctp: convert sack_needed and sack_generation to bits
ipv6: add complete rcu protection around np->opt
bpf: fix allocation warnings in bpf maps and integer overflow
mvebu: dts: enable IP checksum with jumbo frames for Armada 38x on Port0
net: mvneta: enable setting custom TX IP checksum limit
net: mvneta: fix error path for building skb
...
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These devices have a pen device and a touch device through the same serial
protocol, split it up into two separate devices like we do for USB Wacom
tablets too.
Userspace already matches on the device name so we can't drop it
completely. Compose the same basename based on capabilities and append the
tool type, leading to a name like "Wacom Serial Penabled 2FG Touchscreen
Pen".
Note that this drops BTN_TOOL_FINGER, it is not needed once the tools
are split out (and a touch device with BTN_TOOL_FINGER is interpreted
as touchpad by most of userspace).
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Acked-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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This is preparation work for splitting it up for two event nodes.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Acked-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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If a device failed at the pen setup and gets a zero reply from the touch
device, we need to return an error. Otherwise we have a device with
nothing but a name and the EV_KEY and EV_ABS bits.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Acked-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Acked-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Reviewed-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Acked-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Reviewed-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Pull block fixes from Jens Axboe:
"A collection of fixes from this series. The most important here is a
regression fix for an issue that some folks would hit in blk-merge.c,
and the NVMe queue depth limit for the screwed up Apple "nvme"
controller.
In more detail, this pull request contains:
- a set of fixes for null_blk, including a fix for a few corner cases
where we could hang the device. From Arianna and Paolo.
- lightnvm:
- A build improvement from Keith.
- Update the qemu pci id detection from Matias.
- Error handling fixes for leaks and other little fixes from
Sudip and Wenwei.
- fix from Eric where BLKRRPART would not return EBUSY for whole
device mounts, only when partitions were mounted.
- fix from Jan Kara, where EOF O_DIRECT reads would return
negatively.
- remove check for rq_mergeable() when checking limits for cloned
requests. The check doesn't make any sense. It's assuming that
since NOMERGE is set on the request that we don't have to
recalculate limits since the request didn't change, but that's not
true if the request has been redirected. From Hannes.
- correctly get the bio front segment value set for single segment
bio's, fixing a BUG() in blk-merge. From Ming"
* 'for-linus' of git://git.kernel.dk/linux-block:
nvme: temporary fix for Apple controller reset
null_blk: change type of completion_nsec to unsigned long
null_blk: guarantee device restart in all irq modes
null_blk: set a separate timer for each command
blk-merge: fix computing bio->bi_seg_front_size in case of single segment
direct-io: Fix negative return from dio read beyond eof
block: Always check queue limits for cloned requests
lightnvm: missing nvm_lock acquire
lightnvm: unconverted ppa returned in get_bb_tbl
lightnvm: refactor and change vendor id for qemu
lightnvm: do device max sectors boundary check first
lightnvm: fix ioctl memory leaks
lightnvm: free memory when gennvm register fails
lightnvm: Simplify config when disabled
Return EBUSY from BLKRRPART for mounted whole-dev fs
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It is possible to address another chip on same MDIO bus. The case is
correctly handled for media advertising. It is taken into account
only if mii_data->phy_id == phydev->addr. However, this condition
was missing for reset case.
Signed-off-by: Jérôme Pouiller <jezz@sysmic.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Call bnxt_cfg_rx_mode() in bnxt_init_chip() to setup uc_list and
mc_list mac address filters. Before the patch, uc_list is not
setup again after chip reset (such as ethtool ring size change)
and macvlans don't work any more after that.
Modify bnxt_cfg_rx_mode() to return error codes appropriately so
that the init chip sequence can detect any failures.
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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For PF, the bp->pf.mac_addr always holds the permanent MAC
addr assigned by the HW. For VF, the bp->vf.mac_addr always
holds the administrator assigned VF MAC addr. The random
generated VF MAC addr should never get stored to bp->vf.mac_addr.
This way, when the VF wants to change the MAC address, we can tell
if the adminstrator has already set it and disallow the VF from
changing it.
v2: Fix compile error if CONFIG_BNXT_SRIOV is not set.
Signed-off-by: Jeffrey Huang <huangjw@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The existing ndo_set_mac_address only copies the new MAC addr
and didn't set the new MAC addr to the HW. The correct way is
to delete the existing default MAC filter from HW and add
the new one. Because of RFS filters are also dependent on the
default mac filter l2 context, the driver must go thru
close_nic() to delete the default MAC and RFS filters, then
open_nic() to set the default MAC address to HW.
Signed-off-by: Jeffrey Huang <huangjw@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If the driver is used on an ARM platform with SPARSE_IRQ defined,
semantics of NR_IRQS is different (minimal value of virtual irqs) and
by default it is set to 16, see arch/arm/include/asm/irq.h.
This value may be less than the actual number of virtual irqs, which
may break the driver initialization. The check removal allows to use
the driver on such a platform, and, if irq controller driver works
correctly, the check is not needed on legacy platforms.
Fixes a runtime problem:
lpc-eth 31060000.ethernet: error getting resources.
lpc_eth: lpc-eth: not found (-6).
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The non-PCI builds of the O day test project are failing:
On Thu, 2015-12-03 at 05:02 +0800, kbuild test robot wrote:
> warning: (SCSI_MPT2SAS) selects SCSI_MPT3SAS which has unmet direct
> dependencies (SCSI_LOWLEVEL && PCI && SCSI)
The problem is that select and depend don't interact because Kconfig doesn't
have a SAT solver, so depend picks up dependencies and select does onward
selects, but select doesn't pick up dependencies. To fix this, we need to add
the correct dependencies to the MPT2SAS option like this.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Fixes: b840c3627b6f4f856b333a14a72f8ed86da2f86c
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Contrary to what the datasheet says, the pre divider doesn't seem to be
incremented by one in the PLL2, but just uses the value from the register,
with 0 being a bypass.
This fixes the audio playing too fast.
Since we now have the same pre-divider flags, and the only difference with
the A10 is the post-divider offset, also remove the structure to just pass
the offset as an argument.
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Fixes: eb662f854710 ("clk: sunxi: pll2: Add A13 support")
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
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Since Armada 38x SoC can support IP checksum for jumbo frames only on
a single port, it means that this feature should be enabled per-port,
rather than for the whole SoC.
This patch enables setting custom TX IP checksum limit by adding new
optional property to the mvneta device tree node. If not used, by
default 1600B is set for "marvell,armada-370-neta" and 9800B for other
strings, which ensures backward compatibility. Binding documentation
is updated accordingly.
Signed-off-by: Marcin Wojtas <mw@semihalf.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In the actual RX processing, there is same error path for both descriptor
ring refilling and building skb fails. This is not correct, because after
successful refill, the ring is already updated with newly allocated
buffer. Then, in case of build_skb() fail, hitherto code left the original
buffer unmapped.
This patch fixes above situation by swapping error check of skb build with
DMA-unmap of original buffer.
Signed-off-by: Marcin Wojtas <mw@semihalf.com>
Acked-by: Simon Guinot <simon.guinot@sequanux.org>
Cc: <stable@vger.kernel.org> # v4.2+
Fixes a84e32894191 ("net: mvneta: fix refilling for Rx DMA buffers")
Signed-off-by: David S. Miller <davem@davemloft.net>
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A value originally defined in the driver was inappropriate. Even though
the ingress was somehow working, writing MVNETA_RXQ_INTR_ENABLE_ALL_MASK
to MVNETA_INTR_ENABLE didn't make any effect, because the bits [31:16]
are reserved and read-only.
This commit updates MVNETA_RXQ_INTR_ENABLE_ALL_MASK to be compliant with
the controller's documentation.
Signed-off-by: Marcin Wojtas <mw@semihalf.com>
Fixes: c5aff18204da ("net: mvneta: driver for Marvell Armada 370/XP network
unit")
Signed-off-by: David S. Miller <davem@davemloft.net>
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MVNETA_RXQ_HW_BUF_ALLOC bit which controls enabling hardware buffer
allocation was mistakenly set as BIT(1). This commit fixes the assignment.
Signed-off-by: Marcin Wojtas <mw@semihalf.com>
Reviewed-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Fixes: c5aff18204da ("net: mvneta: driver for Marvell Armada 370/XP network
unit")
Signed-off-by: David S. Miller <davem@davemloft.net>
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This commit adds missing configuration of MBUS windows access protection
in mvneta_conf_mbus_windows function - a dedicated variable for that
purpose remained there unused since v3.8 initial mvneta support. Because
of that the register contents were inherited from the bootloader.
Signed-off-by: Marcin Wojtas <mw@semihalf.com>
Reviewed-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Fixes: c5aff18204da ("net: mvneta: driver for Marvell Armada 370/XP network
unit")
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"There's one fix for the core here, we weren't reinitialising the
actual transferred length in messages when they get reused which meant
that we'd just keep adding to the length if a message is reused. This
has limited impact since it's only used in error handling cases but
will really mess anything that tries to use it up when it triggers.
As ever there's a small collection of driver specific fixes too"
* tag 'spi-fix-v4.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: bugfix: spi_message.transfer_length does not get reset
spi: pl022: handle EPROBE_DEFER for dma
spi: bcm63xx: use correct format string for printing a resource
spi: mediatek: single device does not require cs_gpios
spi: Add missing kerneldoc description for parameter
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For cpufreq drivers which use setpolicy interface, after offline->online
the policy is set to default. This can be reproduced by setting the
default policy of intel_pstate or longrun to ondemand and then change to
"performance". After offline and online, the setpolicy will be called with
the policy=ondemand.
For drivers using governors this condition is handled by storing
last_governor, during offline and restoring during online. The same should
be done for drivers using setpolicy interface. Storing last_policy during
offline and restoring during online.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Enable or disable BGX LMAC's RX/TX based on corresponding VF's
status. If otherwise, when multiple LMAC's physical link is up
then packets from all LMAC's whose corresponding VF is not yet
initialized will get forwarded to VF0. This is due to VNIC's default
configuration where CPI, RSSI e.t.c point to VF0/QSET0/RQ0.
This patch will prevent multiple copies of packets on VF0.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Call netif_carrier_on() only if interface's link is up. Switching this on
upon IFF_UP by default, is causing issues with ethernet channel bonding
in LACP mode. Initial NETDEV_CHANGE notification was being skipped.
Also fixed some issues with link/speed/duplex reporting via ethtool.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Properly set CQ timer threshold and also set it to 2us.
With previous incorrect settings it was set to 0.5us which is too less.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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While VNIC or BGX driver teardown, wait for already scheduled delayed work to
finish before destroying it.
Signed-off-by: Thanneeru Srinivasulu <tsrinivasulu@caviumnetworks.com>
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Thanneeru Srinivasulu <tsrinivasulu@caviumnetworks.com>
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As soon as we leave the spinlock after the job has been added to the job
queue, we can no longer rely on the job's data to be available.
I have seen a null-pointer dereference due to sched == NULL in
amd_sched_wakeup via amd_sched_entity_push_job and
amd_sched_ib_submit_kernel_helper. Since the latter initializes
sched_job->sched with the address of the ring scheduler, which is
guaranteed to be non-NULL, this race appears to be a likely culprit.
Signed-off-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Bugzilla: https://bugs.freedesktop.org/attachment.cgi?bugid=93079
Reviewed-by: Christian König <christian.koenig@amd.com>
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Missing error check if the operation failed.
Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
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The SCSI sd driver probes SCSI devices asynchronously. The sd_remove()
function, called indirectly by device_del(), waits until asynchronous
probing has finished. Since the block layer queue must only be cleaned
up after probing has finished, device_del() has to be called before
blk_cleanup_queue(). Hence revert commit bf2cf3baa20b.
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID fixes from Jiri Kosina:
- regression fix for hid-lg driver from Benjamin Tissoires
- quirk for Logitech G710+ from Jimmy Berry
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
HID: lg: restrict filtering out of first interface to G29 only
HID: usbhid: add Logitech G710+ keyboard quirk NOGET
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pincontrol fixes from Linus Walleij:
"These are some v4.4 pin control fixes:
- Drop a redundant if-clause from Kconfig
- Fix a missing of_node_put() memory leak in the Freescale i.MX
driver
- Fix 64bit compilation of the Qualcomm SSBI driver.
- Fix a logic inversion in the Mediatek driver.
- Fix a compilation error for the odd one off in the Super-H instance
of the SH PFC driver"
* tag 'pinctrl-v4.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: sh-pfc: sh7734: Add missing cfg macro parameter to fix build
pinctrl: mediatek: Add get_direction support.
pinctrl: fix qcom ssbi drivers for 64-bit compilation
pinctrl: imx1-core: add missing of_node_put
pinctrl: remove redundant if conditional from Kconfig
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO fixes from Linus Walleij:
"Some GPIO fixes for the v4.4 series:
- Fix a bunch of possible NULL references found by Coccinelle
jockeys.
- Stop creating Tegra's debugfs on everything and its dog. This is
an ARM multiplatform kernel issue.
- Fix an oops in gpiolib for NULL names on named GPIOs.
- Fix a complex OMAP1 bug in the OMAP driver"
* tag 'gpio-v4.4-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio:
gpio: omap: drop omap1 mpuio specific irq_mask/unmask callbacks
gpiolib: fix oops, if gpio name is NULL
gpio-tegra: Do not create the debugfs entry by default
gpio: palmas: fix a possible NULL dereference
gpio: syscon: fix a possible NULL dereference
gpio: 74xx: fix a possible NULL dereference
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