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Make sure to deregister and free any fixed-link PHY registered using
of_phy_register_fixed_link() on probe errors and on driver unbind.
Fixes: 87009814cdbb ("ucc_geth: use the new fixed PHY helpers")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make sure to deregister and free any fixed-link PHY registered using
of_phy_register_fixed_link() on probe errors and on driver unbind.
Fixes: be40364544bd ("gianfar: use the new fixed PHY helpers")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make sure to deregister and free any fixed-link PHY registered using
of_phy_register_fixed_link() on probe errors and on driver unbind.
Fixes: bb74d9a4a87b ("fs_enet: use the new fixed PHY helpers")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make sure to deregister and free any fixed-link PHY registered using
of_phy_register_fixed_link() on probe errors and on driver unbind.
Fixes: 407066f8f371 ("net: fec: Support phys probed from devicetree and
fixed-link")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make sure to deregister and free any fixed-link PHY registered using
of_phy_register_fixed_link() on probe errors and on driver unbind.
Note that we're still leaking any fixed-link PHY registered in the
non-OF probe path.
Fixes: 9abf0c2b717a ("net: bcmgenet: use the new fixed PHY helpers")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make sure to deregister and free any fixed-link PHY registered using
of_phy_register_fixed_link() on probe errors and on driver unbind.
Fixes: 186534a3f832 ("net: systemport: use the new fixed PHY helpers")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make sure to deregister and free any fixed-link PHY registered using
of_phy_register_fixed_link() on probe errors and on driver unbind.
Fixes: c7dfe3abf40e ("net: ethernet: nb8800: support fixed-link DT
node")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make sure to deregister and free any fixed-link PHY registered using
of_phy_register_fixed_link() on probe errors and on driver unbind.
Fixes: 7cdbc6f74f8e ("altera tse: add support for fixed-links.")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add helper to deregister fixed-link PHYs registered using
of_phy_register_fixed_link().
Convert the two drivers that care to deregister their fixed-link PHYs to
use the new helper, but note that most drivers currently fail to do so.
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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into drm-fixes
Regression fixes for PX and a powerplay fix.
* 'drm-fixes-4.9' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: fix check for port PM availability
drm/amdgpu: fix check for port PM availability
drm/amd/powerplay: initialize the soft_regs offset in struct smu7_hwmgr
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When a hardware issue happened as described by inline comments, the register
write pattern looks like the following:
<write ~MACB_BIT(RE)>
+ wmb();
<write MACB_BIT(RE)>
There might be a memory barrier between these two write operations, so add wmb
to ensure an flip from 0 to 1 for NCR.
Signed-off-by: Zumeng Chen <zumeng.chen@windriver.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On macb only (not gem), when a RX queue corruption was detected from
macb_rx(), the RX queue was reset: during this process the RX ring
buffer descriptor was initialized by macb_init_rx_ring() but we forgot
to also set bp->rx_tail to 0.
Indeed, when processing the received frames, bp->rx_tail provides the
macb driver with the index in the RX ring buffer of the next buffer to
process. So when the whole ring buffer is reset we must also reset
bp->rx_tail so the driver is synchronized again with the hardware.
Since macb_init_rx_ring() is called from many locations, currently from
macb_rx() and macb_init_rings(), we'd rather add the "bp->rx_tail = 0;"
line inside macb_init_rx_ring() than add the very same line after each
call of this function.
Without this fix, the rx queue is not reset properly to recover from
queue corruption and connection drop may occur.
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com>
Fixes: 9ba723b081a2 ("net: macb: remove BUG_ON() and reset the queue to handle RX errors")
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Four small fixes.
The be2iscsi is a potential device overrun in consistent memory, which
could have nasty consequences if the consistent allocations are
packed.
The hpsa one fixes a regression where older controllers can now get a
numbering clash between the first internal disk and the controller.
The libfc one is a regression in timespec conversions which causes a
user visible issue in a command line tool and the mpt3sas one fixes a
regression where the controller could remain permanently blocked after
an ATA pass through command followed by a reset"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: be2iscsi: allocate enough memory in beiscsi_boot_get_sinfo()
scsi: mpt3sas: Unblock device after controller reset
scsi: hpsa: use bus '3' for legacy HBA devices
scsi: libfc: fix seconds_since_last_reset miscalculation
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This reverts commit 70121f7f3725 ("i2c: octeon: thunderx: Limit register access retries").
Using readq_poll_timeout instead of __raw_readq triggers the following
debug warning:
[ 78.871568] ipmi_ssif: Trying hotmod-specified SSIF interface at i2c address 0x12, adapter Cavium ThunderX i2c adapter at 0000:01:09.4, slave address 0x0
[ 78.886107] do not call blocking ops when !TASK_RUNNING; state=2 set at [<fffffc00080e0088>] prepare_to_wait_event+0x58/0x10c
[ 78.897436] ------------[ cut here ]------------
[ 78.902050] WARNING: CPU: 6 PID: 2235 at kernel/sched/core.c:7718 __might_sleep+0x80/0x88
[...]
[ 79.133553] [<fffffc00080c3aac>] __might_sleep+0x80/0x88
[ 79.138862] [<fffffc0000e30138>] octeon_i2c_test_iflg+0x4c/0xbc [i2c_thunderx]
[ 79.146077] [<fffffc0000e30958>] octeon_i2c_test_ready+0x18/0x70 [i2c_thunderx]
[ 79.153379] [<fffffc0000e30b04>] octeon_i2c_wait+0x154/0x1a4 [i2c_thunderx]
[ 79.160334] [<fffffc0000e310bc>] octeon_i2c_xfer+0xf4/0xf60 [i2c_thunderx]
Signed-off-by: Jan Glauber <jglauber@cavium.com>
Acked-by: Steven J. Hill <steven.hill@cavium.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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Make sure to drop the reference to the parent device taken by
class_find_device() after "unexporting" any children when deregistering
a PWM chip.
Fixes: 0733424c9ba9 ("pwm: Unexport children before chip removal")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
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The ATPX method does not always exist on the dGPU, it may be located at
the iGPU. The parent device of the iGPU is the root port for which
bridge_d3 is false. This accidentally enables the legacy PM method which
conflicts with port PM and prevented the dGPU from powering on.
Ported from amdgpu commit:
drm/amdgpu: fix check for port PM availability
from Peter Wu.
Fixes: d3ac31f3b4bf9fad (drm/radeon: fix power state when port pm is unavailable (v2))
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: Peter Wu <peter@lekensteyn.nl>
Cc: <stable@vger.kernel.org> # 4.8+
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The ATPX method does not always exist on the dGPU, it may be located at
the iGPU. The parent device of the iGPU is the root port for which
bridge_d3 is false. This accidentally enables the legacy PM method which
conflicts with port PM and prevented the dGPU from powering on.
Fixes: 1db4496f167b ("drm/amdgpu: fix power state when port pm is unavailable")
Reported-and-tested-by: Mike Lothian <mike@fireburn.co.uk>
Signed-off-by: Peter Wu <peter@lekensteyn.nl>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: <stable@vger.kernel.org> # 4.8+
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This could lead to mclk dpm problems on some boards.
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Ack-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
Pull libata fixes from Tejun Heo:
"The recent changes in ahci MSI handling need one more fix. Hopefully,
this restores parity with before.
The other two are minor fixes with both low impact and risk"
* 'for-4.9-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
ahci: always fall back to single-MSI mode
libata-scsi: Fixup ata_gen_passthru_sense()
mvsas: fix error return code in mvs_task_prep()
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Pull sparc fixes from David Miller:
"Two ugly build warning fixes"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
dbri: Fix compiler warning
qlogicpti: Fix compiler warnings
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qlogicpti uses '__u32' for dma handle while invoking kernel DMA APIs,
instead of using dma_addr_t. This hasn't caused any 'incompatible
pointer type' warning on SPARC because until now dma_addr_t is of
type u32. However, recent changes in SPARC ATU (iommu) enabled 64bit
DMA and therefore dma_addr_t became of type u64. This makes
'incompatible pointer type' warnings inevitable.
e.g.
drivers/scsi/qlogicpti.c: In function ‘qpti_map_queues’:
drivers/scsi/qlogicpti.c:813: warning: passing argument 3 of ‘dma_alloc_coherent’ from incompatible pointer type
./include/linux/dma-mapping.h:445: note: expected ‘dma_addr_t *’ but argument is of type ‘__u32 *’
drivers/scsi/qlogicpti.c:822: warning: passing argument 3 of ‘dma_alloc_coherent’ from incompatible pointer type
./include/linux/dma-mapping.h:445: note: expected ‘dma_addr_t *’ but argument is of type ‘__u32 *’
For the record, qlogicpti never executes on sun4v. Therefore even
though 64bit DMA is enabled on SPARC, qlogicpti continues to use
legacy iommu that guarantees DMA address is always in 32bit range.
This patch resolves aforementioned compiler warnings.
Signed-off-by: Tushar Dave <tushar.n.dave@oracle.com>
Reviewed-by: thomas tai <thomas.tai@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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device managed flow steering
In procedure mlx4_flow_steer_promisc_add(), several fields
were left uninitialized in the rule structure.
Correctly initialize these fields.
Fixes: 592e49dda812 ("net/mlx4: Implement promiscuous mode with device managed flow-steering")
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit 9d76931180557270796f9631e2c79b9c7bb3c9fb.
Using unregister_netdev at shutdown flow prevents calling
the netdev's ndos or trying to access its freed resources.
This fixes crashes like the following:
Call Trace:
[<ffffffff81587a6e>] dev_get_phys_port_id+0x1e/0x30
[<ffffffff815a36ce>] rtnl_fill_ifinfo+0x4be/0xff0
[<ffffffff815a53f3>] rtmsg_ifinfo_build_skb+0x73/0xe0
[<ffffffff815a5476>] rtmsg_ifinfo.part.27+0x16/0x50
[<ffffffff815a54c8>] rtmsg_ifinfo+0x18/0x20
[<ffffffff8158a6c6>] netdev_state_change+0x46/0x50
[<ffffffff815a5e78>] linkwatch_do_dev+0x38/0x50
[<ffffffff815a6165>] __linkwatch_run_queue+0xf5/0x170
[<ffffffff815a6205>] linkwatch_event+0x25/0x30
[<ffffffff81099a82>] process_one_work+0x152/0x400
[<ffffffff8109a325>] worker_thread+0x125/0x4b0
[<ffffffff8109a200>] ? rescuer_thread+0x350/0x350
[<ffffffff8109fc6a>] kthread+0xca/0xe0
[<ffffffff8109fba0>] ? kthread_park+0x60/0x60
[<ffffffff816a1285>] ret_from_fork+0x25/0x30
Fixes: 9d7693118055 ("net/mlx4_en: Avoid unregister_netdev at shutdown flow")
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Reported-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Reported-by: Steve Wise <swise@opengridcomputing.com>
Cc: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix:
drivers/net/ethernet/amd/xgbe/xgbe-main.c:835:12: warning: ‘xgbe_suspend’ defined
but not used [-Wunused-function]
drivers/net/ethernet/amd/xgbe/xgbe-main.c:855:12: warning: ‘xgbe_resume’ defined
but not used [-Wunused-function]
I see it during randconfig builds here.
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
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The old logic always enabled the TX-delay when the phy-mode was set to
PHY_INTERFACE_MODE_RGMII. There are dedicated phy-modes which tell the
PHY driver to enable the RX and/or TX delays:
- PHY_INTERFACE_MODE_RGMII should disable the RX and TX delay in the
PHY (if required, the MAC should add the delays in this case)
- PHY_INTERFACE_MODE_RGMII_ID should enable RX and TX delay in the PHY
- PHY_INTERFACE_MODE_RGMII_TXID should enable the TX delay in the PHY
- PHY_INTERFACE_MODE_RGMII_RXID should enable the RX delay in the PHY
(currently not supported by RTL8211F)
With this patch we enable the TX delay for PHY_INTERFACE_MODE_RGMII_ID
and PHY_INTERFACE_MODE_RGMII_TXID.
Additionally we now explicity disable the TX-delay, which seems to be
enabled automatically after a hard-reset of the PHY (by triggering it's
reset pin) to get a consistent state (as defined by the phy-mode).
This fixes a compatibility problem with some SoCs where the TX-delay was
also added by the MAC. With the TX-delay being applied twice the TX
clock was off and TX traffic was broken or very slow (<10Mbit/s) on
1000Mbit/s links.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The macvtap_newlink registers the netdev rx_handler firstly, but it
does not unregister the handler if macvlan_common_newlink failed.
Signed-off-by: Gao Feng <fgao@ikuai8.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make sure to drop the reference taken by of_phy_find_device() during
probe on probe errors and on driver unbind.
Also drop the of_node reference taken by of_parse_phandle() in the same
path.
Fixes: b9b17debc69d ("net: emac: emac gigabit ethernet controller driver")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make sure to drop the reference taken by of_phy_find_device() when
looking up a fixed-link phydev during probe.
Fixes: 57ba4c9b56d8 ("fsl/fman: Add FMan MAC support")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make sure to drop the reference taken by of_phy_find_device() during
initialisation when later freeing the struct fman_mac.
Fixes: 57ba4c9b56d8 ("fsl/fman: Add FMan MAC support")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make sure to drop the reference taken by of_phy_find_device() when
initialising MOCA PHYs.
Fixes: 6ac9de5f6563 ("net: bcmgenet: Register link_update callback for
all MoCA PHYs")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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irda_get_mtt() returns a hardcoded '10000' in some cases,
and with gcc-7, we get a build error because this triggers a
compile-time check in udelay():
drivers/net/irda/w83977af_ir.o: In function `w83977af_hard_xmit':
w83977af_ir.c:(.text.w83977af_hard_xmit+0x14c): undefined reference to `__bad_udelay'
Older compilers did not run into this because they either did not
completely inline the irda_get_mtt() or did not consider the
10000 value a constant expression.
The code has been wrong since the start of git history.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When ipvlan_link_new fails and creates one ipvlan port, it does not
destroy the ipvlan port created. It causes mem leak and the physical
device contains invalid ipvlan data.
Signed-off-by: Gao Feng <fgao@ikuai8.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull IOMMU fixes from David Woodhouse:
"Two minor fixes.
The first fixes the assignment of SR-IOV virtual functions to the
correct IOMMU unit, and the second fixes the excessively large (and
physically contiguous) PASID tables used with SVM"
* git://git.infradead.org/intel-iommu:
iommu/vt-d: Fix PASID table allocation
iommu/vt-d: Fix IOMMU lookup for SR-IOV Virtual Functions
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git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
Pull i2c fixes from Wolfram Sang:
"Here is a revert and two bugfixes for the I2C designware driver.
Please note that we are still hunting down a regression for the
i2c-octeon driver. While there is a fix pending, we have unclear
feedback from the testers currently. An rc8 would be quite helpful
for this case"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
Revert "i2c: designware: do not disable adapter after transfer"
i2c: designware: fix rx fifo depth tracking
i2c: designware: report short transfers
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Pull networking fixes from David Miller:
1) Fix leak in fsl/fman driver, from Dan Carpenter.
2) Call flow dissector initcall earlier than any networking driver can
register and start to use it, from Eric Dumazet.
3) Some dup header fixes from Geliang Tang.
4) TIPC link monitoring compat fix from Jon Paul Maloy.
5) Link changes require EEE re-negotiation in bcm_sf2 driver, from
Florian Fainelli.
6) Fix bogus handle ID passed into tfilter_notify_chain(), from Roman
Mashak.
7) Fix dump size calculation in rtnl_calcit(), from Zhang Shengju.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (26 commits)
tipc: resolve connection flow control compatibility problem
mvpp2: use correct size for memset
net/mlx5: drop duplicate header delay.h
net: ieee802154: drop duplicate header delay.h
ibmvnic: drop duplicate header seq_file.h
fsl/fman: fix a leak in tgec_free()
net: ethtool: don't require CAP_NET_ADMIN for ETHTOOL_GLINKSETTINGS
tipc: improve sanity check for received domain records
tipc: fix compatibility bug in link monitoring
net: ethernet: mvneta: Remove IFF_UNICAST_FLT which is not implemented
dwc_eth_qos: drop duplicate headers
net sched filters: fix filter handle ID in tfilter_notify_chain()
net: dsa: bcm_sf2: Ensure we re-negotiate EEE during after link change
bnxt: do not busy-poll when link is down
udplite: call proper backlog handlers
ipv6: bump genid when the IFA_F_TENTATIVE flag is clear
net/mlx4_en: Free netdev resources under state lock
net: revert "net: l2tp: Treat NET_XMIT_CN as success in l2tp_eth_dev_xmit"
rtnetlink: fix the wrong minimal dump size getting from rtnl_calcit()
bnxt_en: Fix a VXLAN vs GENEVE issue
...
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git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fixes from Dan Williams:
- Fix a crash that occurs at driver initialization if the memory region
is already busy (request_mem_region() fails).
- Fix a vma validation check that mistakenly allows a private device-
dax mapping to be established. Device-dax explicitly forbids private
mappings so it can guarantee a given fault granularity and backing
memory type.
Both of these fixes have soaked in -next and are tagged for -stable.
* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
device-dax: fail all private mapping attempts
device-dax: check devm_nsio_enable() return value
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gcc-7 detects a short memset in mvpp2, introduced in the original
merge of the driver:
drivers/net/ethernet/marvell/mvpp2.c: In function 'mvpp2_cls_init':
drivers/net/ethernet/marvell/mvpp2.c:3296:2: error: 'memset' used with length equal to number of elements without multiplication by element size [-Werror=memset-elt-size]
The result seems to be that we write uninitialized data into the
flow table registers, although we did not get any warning about
that uninitialized data usage.
Using sizeof() lets us initialize then entire array instead.
Fixes: 3f518509dedc ("ethernet: Add new driver for Marvell Armada 375 network unit")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Drop duplicate header delay.h from mlx5/core/main.c.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Acked-by: Matan Barak <matanb@mellanox.com>
Acked-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Drop duplicate header delay.h from adf7242.c.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Acked-by: Stefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Drop duplicate header seq_file.h from ibmvnic.c.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We set "tgec->cfg" to NULL before passing it to kfree(). There is no
need to set it to NULL at all. Let's just delete it.
Fixes: 57ba4c9b56d8 ("fsl/fman: Add FMan MAC support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The mvneta driver advertises it supports IFF_UNICAST_FLT. However, it
actually does not. The hardware probably does support it, but there is
no code to configure the filter. As a quick and simple fix, remove the
flag. This will cause the core to fall back to promiscuous mode.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Fixes: b50b72de2f2f ("net: mvneta: enable features before registering the driver")
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 ACPI fixes from Rafael Wysocki:
"Two ACPI fixes for 4.9-rc7.
One of them reverts a recent ACPI commit that attempted to improve
reboot/power-off on some systems, but introduced problems elsewhere,
and the other one fixes kernel builds with the new WDAT watchdog
driver enabled in some configurations.
Specifics:
- Revert the recent commit that caused the ACPI _PTS method to be
executed in the power-off/reboot code path (as per the
specification) in an attempt to improve things on some systems
(apparently expecting _PTS to be executed in that code path), but
broke power-off/reboot on at least one other machine (Rafael
Wysocki).
- Fix kernel builds with the new WDAT watchdog driver enabled in some
configurations by explicitly selecting WATCHDOG_CORE when enabling
the WDAT watchdog driver (Mika Westerberg)"
* tag 'acpi-4.9-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
watchdog: wdat_wdt: Select WATCHDOG_CORE
Revert "ACPI: Execute _PTS before system reboot"
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This reverts commit 0317e6c0f1dc1ba86b8d9dccc010c5e77b8355fa.
Srinivas reported recently touchscreen and touchpad stopped working in
Haswell based machine in Linux 4.9-rc series with timeout errors from
i2c_designware:
[ 16.508013] i2c_designware INT33C3:00: controller timed out
[ 16.508302] i2c_hid i2c-MSFT0001:02: failed to change power setting.
[ 17.532016] i2c_designware INT33C3:00: controller timed out
[ 18.556022] i2c_designware INT33C3:00: controller timed out
[ 18.556315] i2c_hid i2c-ATML1000:00: failed to retrieve report from device.
I managed to reproduce similar errors on another Haswell based machine
where touchscreen initialization fails maybe in every 1/5 - 1/2 boots.
Since root cause for these errors is not clear yet and debugging is
ongoing it's better to revert this commit as we are near to release.
Reported-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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* acpi-sleep-fixes:
Revert "ACPI: Execute _PTS before system reboot"
* acpi-wdat-fixes:
watchdog: wdat_wdt: Select WATCHDOG_CORE
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Drop duplicate headers types.h and delay.h from dwc_eth_qos.c.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD fixes from Lee Jones:
"Received a copule of last minute fixes for v4.9.
The patches from Viresh are fixing issues displayed in KernelCI"
* tag 'mfd-fixes-4.9.1' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd:
mfd: wm8994-core: Don't use managed regulator bulk get API
mfd: wm8994-core: Disable regulators before removing them
mfd: syscon: Support native-endian regmaps
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fix from Mauro Carvalho Chehab:
"Fix for the firmware load logic of the tuner-xc2028 driver"
* tag 'media/v4.9-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
xc2028: Fix use-after-free bug properly
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git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"Seems to be quietening down nicely, a few mediatek, one exynos and one
hdlcd fix, along with two amd fixes"
* tag 'drm-fixes-for-v4.9-rc7' of git://people.freedesktop.org/~airlied/linux:
gpu/drm/exynos/exynos_hdmi - Unmap region obtained by of_iomap
drm/mediatek: fix null pointer dereference
drm/mediatek: fixed the calc method of data rate per lane
drm/mediatek: fix a typo of DISP_OD_CFG to OD_RELAYMODE
drm/radeon: fix power state when port pm is unavailable (v2)
drm/amdgpu: fix power state when port pm is unavailable
drm/arm: hdlcd: fix plane base address update
drm/amd/powerplay: avoid out of bounds access on array ps.
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If hdlcd_drm_bind() fails at drm_fbdev_cma_init(), its cleanup will call
drm_mode_config_cleanup() as if to balance drm_mode_config_reset(). The
net result is that drm_connector_cleanup() will clean up the active
connectors long before component_unbind_all() gets called, so when the
connector later tries to clean up itself after being unbound, Bad Things
can happen:
[ 4.121888] Unable to handle kernel NULL pointer dereference at
virtual address 00000000
[ 4.129951] pgd = ffffff80091e0000
[ 4.133345] [00000000] *pgd=00000009ffffe003, *pud=00000009ffffe003,
*pmd=0000000000000000
[ 4.141613] Internal error: Oops: 96000005 [#1] PREEMPT SMP
[ 4.147144] Modules linked in:
[ 4.150188] CPU: 0 PID: 122 Comm: kworker/u12:2 Not tainted
4.8.0-rc2+ #989
[ 4.157097] Hardware name: ARM Juno development board (r1) (DT)
[ 4.162981] Workqueue: deferwq deferred_probe_work_func
[ 4.168173] task: ffffffc975d93200 task.stack: ffffffc975dac000
[ 4.174055] PC is at drm_connector_cleanup+0x58/0x1c0
[ 4.179074] LR is at tda998x_unbind+0x24/0x40
[ 4.183401] pc : [<ffffff80084c46f0>] lr : [<ffffff800850414c>]
pstate: 00000045
[ 4.190750] sp : ffffffc975dafa10
[ 4.194041] x29: ffffffc975dafa10 x28: ffffffc9768152a8
[ 4.199325] x27: ffffffc97ff46450 x26: ffffff8008d99000
[ 4.204608] x25: dead000000000100 x24: dead000000000200
[ 4.209891] x23: ffffffc976bf91e8 x22: 0000000000000000
[ 4.215172] x21: ffffffc976bf9170 x20: ffffffc976bf9170
[ 4.220454] x19: ffffffc976bf9018 x18: 0000000000000000
[ 4.225737] x17: 0000000074ce71ee x16: 000000008ff5d35f
[ 4.231019] x15: ffffffc97681e91c x14: ffffffffffffffff
[ 4.236301] x13: ffffffc97681e185 x12: 0000000000000038
[ 4.241583] x11: 0101010101010101 x10: 0000000000000000
[ 4.246866] x9 : 0000000040000000 x8 : 0000000000210d00
[ 4.252148] x7 : ffffffc97fea8c00 x6 : 000000000000001b
[ 4.257430] x5 : ffffff80084b7b8c x4 : 0000000000000080
[ 4.262712] x3 : ffffff8008504128 x2 : ffffffc975df3800
[ 4.267993] x1 : 0000000000000000 x0 : 0000000000000000
...
[ 4.750937] [<ffffff80084c46f0>] drm_connector_cleanup+0x58/0x1c0
[ 4.756990] [<ffffff800850414c>] tda998x_unbind+0x24/0x40
[ 4.762354] [<ffffff8008507918>] component_unbind.isra.4+0x28/0x50
[ 4.768492] [<ffffff8008507a0c>] component_unbind_all+0xcc/0xd8
[ 4.774373] [<ffffff80084d5adc>] hdlcd_drm_bind+0x234/0x418
[ 4.779909] [<ffffff8008507b58>] try_to_bring_up_master+0x140/0x1a0
[ 4.786133] [<ffffff8008507c50>] component_add+0x98/0x170
[ 4.791496] [<ffffff8008504b90>] tda998x_probe+0x18/0x20
[ 4.796774] [<ffffff80086bf914>] i2c_device_probe+0x164/0x258
[ 4.802481] [<ffffff800850d094>] driver_probe_device+0x204/0x2b0
[ 4.808447] [<ffffff800850d28c>] __device_attach_driver+0x9c/0xf8
[ 4.814498] [<ffffff800850b108>] bus_for_each_drv+0x58/0x98
[ 4.820033] [<ffffff800850cd64>] __device_attach+0xc4/0x138
[ 4.825567] [<ffffff800850d338>] device_initial_probe+0x10/0x18
[ 4.831446] [<ffffff800850c124>] bus_probe_device+0x94/0xa0
[ 4.836981] [<ffffff800850c5b0>] deferred_probe_work_func+0x78/0xb0
[ 4.843207] [<ffffff80080d2998>] process_one_work+0x118/0x378
[ 4.848914] [<ffffff80080d2c40>] worker_thread+0x48/0x498
[ 4.854276] [<ffffff80080d8918>] kthread+0xd0/0xe8
[ 4.859036] [<ffffff8008082e90>] ret_from_fork+0x10/0x40
[ 4.864314] Code: f2fbd5b9 f2fbd5b8 f8478ee0 eb17001f (f9400013)
[ 4.870472] ---[ end trace a643cfe4ce1d838b ]---
Fix this by moving the drm_mode_config_cleanup() much later such that it
correctly balances drm_mode_config_init().
Suggested-by: Russell King <linux@armlinux.org.uk>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
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