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1,188,286 commits

Author SHA1 Message Date
Wei Yongjun
f7c125bd79 net: mhi: Fix memory leak in mhi_net_dellink()
MHI driver registers network device without setting the
needs_free_netdev flag, and does NOT call free_netdev() when
unregisters network device, which causes a memory leak.

This patch calls free_netdev() to fix it since netdev_priv
is used after unregister.

Fixes: 13adac0329 ("net: mhi_net: Register wwan_ops for link creation")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-11-14 11:21:02 +00:00
xu xin
2fd450cd83 ipasdv4/tcp_ipv4: remove redundant assignment
The value of 'st->state' has been verified as "TCP_SEQ_STATE_LISTENING",
it's unnecessary to assign TCP_SEQ_STATE_LISTENING to it, so we can remove it.

Signed-off-by: xu xin <xu.xin16@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-11-14 11:20:15 +00:00
Erico Nunes
e17a025a47 drm/lima: Fix opp clkname setting in case of missing regulator
Commit d8c32d3971 ("drm/lima: Migrate to dev_pm_opp_set_config()")
introduced a regression as it may undo the clk_names setting in case
the optional regulator is missing. This resulted in test and performance
regressions with lima.

Restore the old behavior where clk_names is set separately so it is not
undone in case of a missing optional regulator.

Fixes: d8c32d3971 ("drm/lima: Migrate to dev_pm_opp_set_config()")
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Erico Nunes <nunes.erico@gmail.com>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221027073200.3885839-1-nunes.erico@gmail.com
2022-11-14 19:08:21 +08:00
Dmitry Torokhov
1d26a55fbe PCI: histb: Switch to using gpiod API
This patch switches the driver away from legacy gpio/of_gpio API to
gpiod API, and removes use of of_get_named_gpio_flags() which I want to
make private to gpiolib.

Link: https://lore.kernel.org/r/20220906204301.3736813-1-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
2022-11-14 11:56:50 +01:00
David S. Miller
3738d48b9b Merge branch 'octeon_ep-fixes'
Ziyang Xuan says:

====================
octeon_ep: fix several bugs in exception paths

Find several obvious bugs during code review in exception paths. Provide
this patchset to fix them. Not tested, just compiled.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2022-11-14 10:55:43 +00:00
Ziyang Xuan
848ffce2f0 octeon_ep: ensure get mac address successfully before eth_hw_addr_set()
octep_get_mac_addr() can fail because send mbox message failed. If this
happens, octep_dev->mac_addr will be zero. It should not continue to
initialize. Add exception handling for octep_get_mac_addr() to fix it.

Fixes: 862cd659a6 ("octeon_ep: Add driver framework and device initialization")
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-11-14 10:55:43 +00:00
Ziyang Xuan
e4041be97b octeon_ep: fix potential memory leak in octep_device_setup()
When occur unsupported_dev and mbox init errors, it did not free oct->conf
and iounmap() oct->mmio[i].hw_addr. That would trigger memory leak problem.
Add kfree() for oct->conf and iounmap() for oct->mmio[i].hw_addr under
unsupported_dev and mbox init errors to fix the problem.

Fixes: 862cd659a6 ("octeon_ep: Add driver framework and device initialization")
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-11-14 10:55:43 +00:00
Ziyang Xuan
9d3ff71318 octeon_ep: ensure octep_get_link_status() successfully before octep_link_up()
octep_get_link_status() can fail because send mbox message failed, then
octep_get_link_status() will return ret less than 0. Excute octep_link_up()
as long as ret is not equal to 0 in octep_open() now. That is not correct.

The value type of link.state is enum octep_ctrl_net_state. Positive value
represents up. Excute octep_link_up() when ret is bigger than 0.

Fixes: 862cd659a6 ("octeon_ep: Add driver framework and device initialization")
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-11-14 10:55:43 +00:00
Ziyang Xuan
298b83e180 octeon_ep: delete unnecessary napi rollback under set_queues_err in octep_open()
octep_napi_add() and octep_napi_enable() are all after
netif_set_real_num_{tx,rx}_queues() in octep_open(), so it is unnecessary
napi rollback under set_queues_err. Delete them to fix it.

Fixes: 37d79d0596 ("octeon_ep: add Tx/Rx processing and interrupt support")
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-11-14 10:55:43 +00:00
Gaosheng Cui
991aef4ee4 bnxt_en: Remove debugfs when pci_register_driver failed
When pci_register_driver failed, we need to remove debugfs,
which will caused a resource leak, fix it.

Resource leak logs as follows:
[   52.184456] debugfs: Directory 'bnxt_en' with parent '/' already present!

Fixes: cabfb09d87 ("bnxt_en: add debugfs support for DIM")
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-11-14 10:53:29 +00:00
Zhengchao Shao
8fbb53c8bf net: caif: fix double disconnect client in chnl_net_open()
When connecting to client timeout, disconnect client for twice in
chnl_net_open(). Remove one. Compile tested only.

Fixes: 2aa40aef9d ("caif: Use link layer MTU instead of fixed MTU")
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-11-14 10:51:13 +00:00
Chuang Wang
5df1341ea8 net: macvlan: Use built-in RCU list checking
hlist_for_each_entry_rcu() has built-in RCU and lock checking.

Pass cond argument to hlist_for_each_entry_rcu() to silence false
lockdep warning when CONFIG_PROVE_RCU_LIST is enabled.

Execute as follow:

 ip link add link eth0 type macvlan mode source macaddr add <MAC-ADDR>

The rtnl_lock is held when macvlan_hash_lookup_source() or
macvlan_fill_info_macaddr() are called in the non-RCU read side section.
So, pass lockdep_rtnl_is_held() to silence false lockdep warning.

Fixes: 79cf79abce ("macvlan: add source mode")
Signed-off-by: Chuang Wang <nashuiliang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-11-14 10:50:02 +00:00
David S. Miller
8a30b30b26 Merge branch 'ibmvnic-affinity-hints'
Nick Child says:

====================
ibmvnic: Introduce affinity hint support

This is a patchset to do 3 things to improve ibmvnic performance:
    1. Assign affinity hints to ibmvnic queue irq's
    2. Update affinity hints on cpu hotplug events
    3. Introduce transmit packet steering (XPS)

NOTE: If irqbalance is running, you need to stop it from overriding
  our affinity hints. To do this you can do one of:
   - systemctl stop irqbalance
   - ban the ibmvnic module irqs
      - you must have the latest irqbalance v9.2, the banmod argument was broken before this
      - in /etc/sysconfig/irqbalance -> IRQBALANCE_ARGS="--banmod=ibmvnic"
      - systemctl restart irqbalance
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2022-11-14 10:47:07 +00:00
Nick Child
df8f66d02d ibmvnic: Update XPS assignments during affinity binding
Transmit Packet Steering (XPS) maps cpu numbers to transmit
queues. By running the same connection on the same set of cpu's,
contention for the queue and cache miss rate can be minimized.
When assigning a cpu mask for a tranmit queues irq number, assign
the same cpu mask as the set of cpu's that XPS should use for that
queue.

Signed-off-by: Thomas Falcon <tlfalcon@linux.ibm.com>
Signed-off-by: Dany Madden <drt@linux.ibm.com>
Signed-off-by: Nick Child <nnac123@linux.ibm.com>
Reviewed-by: Rick Lindsley <ricklind@linux.ibm.com>
Reviewed-by: Haren Myneni <haren@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-11-14 10:47:07 +00:00
Nick Child
92125c3a60 ibmvnic: Add hotpluggable CPU callbacks to reassign affinity hints
When CPU's are added and removed, ibmvnic devices will reassign
hint values. Introduce a new cpu hotplug state CPUHP_IBMVNIC_DEAD
to signal to ibmvnic devices that the CPU has been removed and it
is time to reset affinity hint assignments. On the other hand,
when CPU's are being added, add a state instance to
CPUHP_AP_ONLINE_DYN which will trigger a reassignment of affinity
hints once the new CPU's are online. This implementation is based
on the virtio_net driver.

Signed-off-by: Thomas Falcon <tlfalcon@linux.ibm.com>
Signed-off-by: Dany Madden <drt@linux.ibm.com>
Signed-off-by: Nick Child <nnac123@linux.ibm.com>
Reviewed-by: Rick Lindsley <ricklind@linux.ibm.com>
Reviewed-by: Haren Myneni <haren@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-11-14 10:47:07 +00:00
Nick Child
44fbc1b6e0 ibmvnic: Assign IRQ affinity hints to device queues
Assign affinity hints to ibmvnic device queue interrupts.
Affinity hints are assigned and removed during sub-crq init and
teardown, respectively. This update should improve latency if
utilized as interrupt lines and processing are more equally
distributed among CPU's. This implementation is based on the
virtio_net driver.

Signed-off-by: Thomas Falcon <tlfalcon@linux.ibm.com>
Signed-off-by: Dany Madden <drt@linux.ibm.com>
Signed-off-by: Nick Child <nnac123@linux.ibm.com>
Reviewed-by: Rick Lindsley <ricklind@linux.ibm.com>
Reviewed-by: Haren Myneni <haren@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-11-14 10:47:07 +00:00
Md Fahad Iqbal Polash
e384cf35bf ice: virtchnl rss hena support
Add support for 2 virtchnl msgs:
VIRTCHNL_OP_SET_RSS_HENA
VIRTCHNL_OP_GET_RSS_HENA_CAPS

The first one allows VFs to clear all previously programmed
RSS configuration and customize it. The second one returns
the RSS HENA bits allowed by the hardware.

Introduce ice_err_to_virt_err which converts kernel
specific errors to virtchnl errors.

Signed-off-by: Md Fahad Iqbal Polash <md.fahad.iqbal.polash@intel.com>
Signed-off-by: Wojciech Drewek <wojciech.drewek@intel.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-11-14 10:44:38 +00:00
Wang ShaoBo
2d25107e11 mISDN: fix misuse of put_device() in mISDN_register_device()
We should not release reference by put_device() before calling device_initialize().

Fixes: e7d1d4d9ac ("mISDN: fix possible memory leak in mISDN_register_device()")
Signed-off-by: Wang ShaoBo <bobo.shaobowang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-11-14 10:43:13 +00:00
Zhengchao Shao
8979f428a4 net: liquidio: release resources when liquidio driver open failed
When liquidio driver open failed, it doesn't release resources. Compile
tested only.

Fixes: 5b07aee112 ("liquidio: MSIX support for CN23XX")
Fixes: dbc97bfd39 ("net: liquidio: Add missing null pointer checks")
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-11-14 10:05:39 +00:00
Chuang Wang
ab00af85d2 net: tun: rebuild error handling in tun_get_user
The error handling in tun_get_user is very scattered.
This patch unifies error handling, reduces duplication of code, and
makes the logic clearer.

Signed-off-by: Chuang Wang <nashuiliang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2022-11-14 09:52:07 +00:00
Matthew Auld
4f68332b2f drm/i915/ttm: fix uaf with lmem_userfault_list handling
In the fault handler, make sure we check if the BO maps lmem after
we schedule the migration, since the current resource might change from
lmem to smem, if the pages are in the non-cpu visible portion of lmem.
This then leads to adding the object to the lmem_userfault_list even
though the current resource is no longer lmem. If we then destroy the
object, the list might still contain a link to the now free object, since
we only remove it if the object is still in lmem.

Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/7469
Fixes: ad74457a6b ("drm/i915/dgfx: Release mmap on rpm suspend")
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Anshuman Gupta <anshuman.gupta@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Andrzej Hajda <andrzej.hajda@intel.com>
Cc: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221107165414.56970-1-matthew.auld@intel.com
(cherry picked from commit 625b74460e)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
2022-11-14 09:46:06 +00:00
Krzysztof Kozlowski
51cd31ae20 dt-bindings: pinctrl: qcom,msm8960: convert to dtschema
Convert Qualcomm MSM8960 pin controller bindings to DT schema.  Keep the
parsing of pin configuration subnodes consistent with other Qualcomm
schemas (children named with '-state' suffix, their children with
'-pins').

Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221109105140.48196-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
2022-11-14 10:38:25 +01:00
Krzysztof Kozlowski
a4c54f830d dt-bindings: pinctrl: qcom,ipq8074: convert to dtschema
Convert Qualcomm IPQ8074 pin controller bindings to DT schema.  Keep the
parsing of pin configuration subnodes consistent with other Qualcomm
schemas (children named with '-state' suffix, their children with
'-pins').

Reviewed-by: Bjorn Andersson <andersson@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20221108142357.67202-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
2022-11-14 10:38:09 +01:00
David Howells
41cf3a9156 rxrpc: Fix missing IPV6 #ifdef
Fix rxrpc_encap_err_rcv() to make the call to ipv6_icmp_error conditional
on IPV6 support being enabled.

Fixes: b6c66c4324 ("rxrpc: Use the core ICMP/ICMP6 parsers")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
cc: netdev@vger.kernel.org
2022-11-14 09:31:55 +00:00
Xiubo Li
5bd76b8de5 ceph: fix NULL pointer dereference for req->r_session
The request's r_session maybe changed when it was forwarded or
resent. Both the forwarding and resending cases the requests will
be protected by the mdsc->mutex.

Cc: stable@vger.kernel.org
Link: https://bugzilla.redhat.com/show_bug.cgi?id=2137955
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2022-11-14 10:29:05 +01:00
Xiubo Li
51884d153f ceph: avoid putting the realm twice when decoding snaps fails
When decoding the snaps fails it maybe leaving the 'first_realm'
and 'realm' pointing to the same snaprealm memory. And then it'll
put it twice and could cause random use-after-free, BUG_ON, etc
issues.

Cc: stable@vger.kernel.org
Link: https://tracker.ceph.com/issues/57686
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2022-11-14 10:29:05 +01:00
Dan Carpenter
f86a48667b ceph: fix a NULL vs IS_ERR() check when calling ceph_lookup_inode()
The ceph_lookup_inode() function returns error pointers.  It never
returns NULL.

Fixes: aa87052dd9 ("ceph: fix incorrectly showing the .snap size for stat")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Reviewed-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2022-11-14 10:29:05 +01:00
Palmer Dabbelt
3a4e894f36 MAINTAINERS: git://github.com -> https://github.com for ceph
Github deprecated the git:// links about a year ago, so let's move to
the https:// URLs instead.

Reported-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://github.blog/2021-09-01-improving-git-protocol-security-github/
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
2022-11-14 10:29:05 +01:00
Arnd Bergmann
e82b5b63c6 AT91 fixes for 6.1
It contains:
 - signal name fix for a pin on SAMA7G5
 - memory self-refresh fix for SAMA7G5 by avoid soft resetting AC
   DLL which can introduce glitches in RAM controller and lead to
   unexpected behavior
 - led support fix for lan966x-pcb8291 board by enabling sgpio node
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Merge tag 'at91-fixes-6.1' of https://git.kernel.org/pub/scm/linux/kernel/git/at91/linux into arm/fixes

AT91 fixes for 6.1

It contains:
- signal name fix for a pin on SAMA7G5
- memory self-refresh fix for SAMA7G5 by avoid soft resetting AC
  DLL which can introduce glitches in RAM controller and lead to
  unexpected behavior
- led support fix for lan966x-pcb8291 board by enabling sgpio node

* tag 'at91-fixes-6.1' of https://git.kernel.org/pub/scm/linux/kernel/git/at91/linux:
  ARM: at91: pm: avoid soft resetting AC DLL
  ARM: dts: lan966x: Enable sgpio on pcb8291
  ARM: dts: at91: sama7g5: fix signal name of pin PB2

Link: https://lore.kernel.org/r/20221110115411.180876-1-claudiu.beznea@microchip.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-11-14 10:22:41 +01:00
Arnd Bergmann
67b7458807 Qualcomm ARM64 DTS fixes for 6.1
This fixes the APCS register region on IPQ8074 to not overlap
 with adjacent nodes.
 
 It lists the valid LDO modes on a variety of platforms, as this is not
 required by the binding and implementation.
 
 The reference clocks for the two UFS instances on SC8280XP are
 corrected, to avoid relying on the state left by most versions of the
 bootloader.
 
 A number of issues are corrected with regards to the QMP PHY register
 ranges on SC8280XP.
 
 SC7280 gains a missing lpass reset region.
 
 Lastly cluster idle is termporarily disabled on SM8250 to avoid issues
 with booting the platform, until the last missing pieces lands.
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Merge tag 'qcom-arm64-fixes-for-6.1' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes

Qualcomm ARM64 DTS fixes for 6.1

This fixes the APCS register region on IPQ8074 to not overlap
with adjacent nodes.

It lists the valid LDO modes on a variety of platforms, as this is not
required by the binding and implementation.

The reference clocks for the two UFS instances on SC8280XP are
corrected, to avoid relying on the state left by most versions of the
bootloader.

A number of issues are corrected with regards to the QMP PHY register
ranges on SC8280XP.

SC7280 gains a missing lpass reset region.

Lastly cluster idle is termporarily disabled on SM8250 to avoid issues
with booting the platform, until the last missing pieces lands.

* tag 'qcom-arm64-fixes-for-6.1' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
  arm64: dts: qcom: sm8250: Disable the not yet supported cluster idle state
  arm64: dts: qcom: sc7280: Add the reset reg for lpass audiocc on SC7280
  arm64: dts: qcom: sc8280xp: fix UFS PHY serdes size
  arm64: dts: qcom: sc8280xp: drop broken DP PHY nodes
  arm64: dts: qcom: sc8280xp: fix USB PHY PCS registers
  arm64: dts: qcom: sc8280xp: fix USB1 PHY RX1 registers
  arm64: dts: qcom: sc8280xp: fix USB0 PHY PCS_MISC registers
  arm64: dts: qcom: sc8280xp: correct ref clock for ufs_mem_phy
  arm64: dts: qcom: sc8280xp: fix ufs_card_phy ref clock
  arm64: dts: qcom: sm8350-hdk: Specify which LDO modes are allowed
  arm64: dts: qcom: sm8250-xperia-edo: Specify which LDO modes are allowed
  arm64: dts: qcom: sm8150-xperia-kumano: Specify which LDO modes are allowed
  arm64: dts: qcom: sc8280xp-crd: Specify which LDO modes are allowed
  arm64: dts: qcom: sa8295p-adp: Specify which LDO modes are allowed
  arm64: dts: qcom: sa8155p-adp: Specify which LDO modes are allowed
  Revert "arm64: dts: qcom: msm8996: add missing TCSR syscon compatible"
  arm64: dts: qcom: ipq8074: correct APCS register space size

Link: https://lore.kernel.org/r/20221110040635.795921-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2022-11-14 10:22:29 +01:00
Greg Kroah-Hartman
e8433659bf Revert "drivers: bus: simple-pm-bus: Use clocks"
This reverts commit 882cf4c913 as it
breaks the build in linux-next.

Link: https://lore.kernel.org/r/20221114181752.08a850f0@canb.auug.org.au
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Liu Ying <victor.liu@nxp.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-11-14 10:03:38 +01:00
Andy Shevchenko
f613facc82 mfd: vexpress-sysreg: Fix resource compound literal assignments
Since DEFINE_RES_*() macros were converted to provide a compound literal
the user doesn't need to repeat it. Moreover, it may not be compiled.

Fixes: 52c4d11f1d ("resource: Convert DEFINE_RES_NAMED() to be compound literal")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20221113191027.2327-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-11-14 10:01:39 +01:00
Peter Zijlstra
91dabf33ae sched: Fix race in task_call_func()
There is a very narrow race between schedule() and task_call_func().

  CPU0						CPU1

  __schedule()
    rq_lock();
    prev_state = READ_ONCE(prev->__state);
    if (... && prev_state) {
      deactivate_tasl(rq, prev, ...)
        prev->on_rq = 0;

						task_call_func()
						  raw_spin_lock_irqsave(p->pi_lock);
						  state = READ_ONCE(p->__state);
						  smp_rmb();
						  if (... || p->on_rq) // false!!!
						    rq = __task_rq_lock()

						  ret = func();

    next = pick_next_task();
    rq = context_switch(prev, next)
      prepare_lock_switch()
        spin_release(&__rq_lockp(rq)->dep_map...)

So while the task is on it's way out, it still holds rq->lock for a
little while, and right then task_call_func() comes in and figures it
doesn't need rq->lock anymore (because the task is already dequeued --
but still running there) and then the __set_task_frozen() thing observes
it's holding rq->lock and yells murder.

Avoid this by waiting for p->on_cpu to get cleared, which guarantees
the task is fully finished on the old CPU.

( While arguably the fixes tag is 'wrong' -- none of the previous
  task_call_func() users appears to care for this case. )

Fixes: f5d39b0208 ("freezer,sched: Rewrite core freezer logic")
Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://lkml.kernel.org/r/Y1kdRNNfUeAU+FNl@hirez.programming.kicks-ass.net
2022-11-14 09:58:32 +01:00
Mathieu Desnoyers
448dca8c88 rseq: Use pr_warn_once() when deprecated/unknown ABI flags are encountered
These commits use WARN_ON_ONCE() and kill the offending processes when
deprecated and unknown flags are encountered:

commit c17a6ff932 ("rseq: Kill process when unknown flags are encountered in ABI structures")
commit 0190e4198e ("rseq: Deprecate RSEQ_CS_FLAG_NO_RESTART_ON_* flags")

The WARN_ON_ONCE() triggered by userspace input prevents use of
Syzkaller to fuzz the rseq system call.

Replace this WARN_ON_ONCE() by pr_warn_once() messages which contain
actually useful information.

Reported-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Paul E. McKenney <paulmck@kernel.org>
Link: https://lkml.kernel.org/r/20221102130635.7379-1-mathieu.desnoyers@efficios.com
2022-11-14 09:58:32 +01:00
Fabio Estevam
77a1a1826f arm64: dts: imx8mm-phg: Add initial board support
Add the initial support for the i.MX8MM Cloos PHG board.

This board uses a imx8mm-tqma8mqml SoM from TQ-Group.

Signed-off-by: Fabio Estevam <festevam@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-11-14 16:56:52 +08:00
Fabio Estevam
651ae85e5c dt-bindings: arm: fsl: Add an entry for Cloos PHG board
Add an entry for the i.MX8MM Cloos PHG board.

Signed-off-by: Fabio Estevam <festevam@denx.de>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-11-14 16:56:31 +08:00
Fabio Estevam
5a2102c5aa dt-bindings: vendor-prefixes: Add an entry for Cloos
Carl Cloos Schweisstechnik GmbH develops, manufactures and delivers
welding industrial solutions:

https://www.cloos.de/de-en/

Add a vendor prefix entry for it.

Signed-off-by: Fabio Estevam <festevam@denx.de>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-11-14 16:56:14 +08:00
Shenwei Wang
b57220ac8d arm64: dts: imx8qxp-ss-lsio: add gpio-ranges property
add gpio-ranges property for imx8qxp soc.

This gpio-range is used to record which GPIOs correspond to which pins on
which pin controllers. The GPIO to PIN mapping will be referenced by the
pad wakeup function in GPIO-MXC driver.

Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-11-14 16:51:02 +08:00
Shenwei Wang
bed3003aad arm64: dts: imx8qm-ss-lsio: add gpio-ranges property
add gpio-ranges property for imx8qm soc.

This gpio-range is used to record which GPIOs correspond to which pins on
which pin controllers. The GPIO to PIN mapping will be referenced by the
pad wakeup function in GPIO-MXC driver.

Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-11-14 16:50:59 +08:00
Shenwei Wang
af9493d6fd arm64: dts: imx8dxl-ss-lsio: add gpio-ranges property
add gpio-ranges property for imx8dxl soc.

This gpio-range is used to record which GPIOs correspond to which pins on
which pin controllers. The GPIO to PIN mapping will be referenced by the
pad wakeup function in GPIO-MXC driver.

Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-11-14 16:50:46 +08:00
Frank Li
65fa83a6ba arm64: dts: imx8dxl_evk: add lpspi0 support
Enable lpspi0 at imx8dxl_evk boards dts.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-11-14 16:48:45 +08:00
Frank Li
c4098885e7 arm64: dts: imx8dxl: add lpspi support
Add lpspi0 lpspi1 lpspi2 lpspi3 node at common dma subsystem.
Change irq number for 8dxl.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-11-14 16:48:42 +08:00
Frank Li
86d1625d2e arm64: dts: imx8dxl_evk: add flexspi0 support
Enable flexspi0 at imx8dxl_evk boards dts.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-11-14 16:48:40 +08:00
Frank Li
6276d66984 arm64: dts: imx8dxl: add flexspi0 support
Add flexspi0 node at common lsio subsystem.
Change flexspi0 irq number for imx8dxl.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-11-14 16:48:38 +08:00
Frank Li
7772c29d61 arm64: dts: imx8dxl_evk: add adc0 support
Enable adc0 at imx8dxl_evk boards dts.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-11-14 16:48:36 +08:00
Frank Li
1db044b25d arm64: dts: imx8dxl: add adc0 support
Add adc0 and adc1 node at imx8 common dma subsystem.
imx8dxl have only adc0. Change irq number for adc0.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-11-14 16:48:24 +08:00
Andreas Kemnade
e7c5f52515 ARM: dts: imx: e60k02: Add touchscreen
Add the touchscreen now, since the driver is available.

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-11-14 16:33:04 +08:00
Detlev Casanova
2a43322ca7 ARM: dts: imx6qdl-sabre: Add mmc aliases
If not specified, the mmc0 and mmc1 devices will be the devices
mmc@2190000 and mmc@2194000, which are in disabled state on the iMX.6
Sabrelite devices.

The actual SD card reader devices are the ones at mmc@2198000 and
mmc@219c000.

Set aliases to use the correct mmc devices order.

Signed-off-by: Detlev Casanova <detlev.casanova@collabora.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-11-14 16:25:59 +08:00
Leon Romanovsky
3574cfdca2 RDMA/mana: Remove redefinition of basic u64 type
gdma_obj_handle_t is no more than redefinition of basic
u64 type. Remove such obfuscation.

Link: https://lore.kernel.org/r/3c1e821279e6a165d058655d2343722d6650e776.1668160486.git.leonro@nvidia.com
Acked-by: Long Li <longli@microsoft.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
2022-11-14 10:16:46 +02:00
Xiaolei Wang
836fb30949 soc: imx8m: Enable OCOTP clock before reading the register
Commit 7d981405d0 ("soc: imx8m: change to use platform driver") ever
removed the dependency on bootloader for enabling OCOTP clock.  It
helped to fix a kexec kernel hang issue.  But unfortunately it caused
a regression on CAAM driver and got reverted.

This is the second try to enable the OCOTP clock by directly calling
clock API instead of indirectly enabling the clock via nvmem API.

Fixes: ac34de14ac ("Revert "soc: imx8m: change to use platform driver"")
Signed-off-by: Xiaolei Wang <xiaolei.wang@windriver.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2022-11-14 15:52:53 +08:00