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2023-01-20octeontx2-af: restore rxc conf after teardown sequenceNithin Dabilpuram
CN10K CPT coprocessor includes a component named RXC which is responsible for reassembly of inner IP packets. RXC has the feature to evict oldest entries based on age/threshold. The age/threshold is being set to minimum values to evict all entries at the time of teardown. This patch adds code to restore timeout and threshold config after teardown sequence is complete as it is global config. Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-01-20octeontx2-af: optimize cpt pf identificationSrujana Challa
Optimize CPT PF identification in mbox handling for faster mbox response by doing it at AF driver probe instead of every mbox message. Signed-off-by: Srujana Challa <schalla@marvell.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-01-20octeontx2-af: modify FLR sequence for CPTSrujana Challa
On OcteonTX2 platform CPT instruction enqueue is only possible via LMTST operations. The existing FLR sequence mentioned in HRM requires a dummy LMTST to CPT but LMTST can't be submitted from AF driver. So, HW team provided a new sequence to avoid dummy LMTST. This patch adds code for the same. Signed-off-by: Srujana Challa <schalla@marvell.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-01-20octeontx2-af: add mbox for CPT LF resetSrujana Challa
On OcteonTX2 SoC, the admin function (AF) is the only one with all priviliges to configure HW and alloc resources, PFs and it's VFs have to request AF via mailbox for all their needs. This patch adds a new mailbox for CPT VFs to request for CPT LF reset. Signed-off-by: Srujana Challa <schalla@marvell.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-01-20octeontx2-af: recover CPT engine when it gets faultSrujana Challa
When CPT engine has uncorrectable errors, it will get halted and must be disabled and re-enabled. This patch adds code for the same. Signed-off-by: Srujana Challa <schalla@marvell.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-01-20kvm/vfio: Fix potential deadlock on vfio group_lockYi Liu
Currently it is possible that the final put of a KVM reference comes from vfio during its device close operation. This occurs while the vfio group lock is held; however, if the vfio device is still in the kvm device list, then the following call chain could result in a deadlock: VFIO holds group->group_lock/group_rwsem -> kvm_put_kvm -> kvm_destroy_vm -> kvm_destroy_devices -> kvm_vfio_destroy -> kvm_vfio_file_set_kvm -> vfio_file_set_kvm -> try to hold group->group_lock/group_rwsem The key function is the kvm_destroy_devices() which triggers destroy cb of kvm_device_ops. It calls back to vfio and try to hold group_lock. So if this path doesn't call back to vfio, this dead lock would be fixed. Actually, there is a way for it. KVM provides another point to free the kvm-vfio device which is the point when the device file descriptor is closed. This can be achieved by providing the release cb instead of the destroy cb. Also rename kvm_vfio_destroy() to be kvm_vfio_release(). /* * Destroy is responsible for freeing dev. * * Destroy may be called before or after destructors are called * on emulated I/O regions, depending on whether a reference is * held by a vcpu or other kvm component that gets destroyed * after the emulated I/O. */ void (*destroy)(struct kvm_device *dev); /* * Release is an alternative method to free the device. It is * called when the device file descriptor is closed. Once * release is called, the destroy method will not be called * anymore as the device is removed from the device list of * the VM. kvm->lock is held. */ void (*release)(struct kvm_device *dev); Fixes: 421cfe6596f6 ("vfio: remove VFIO_GROUP_NOTIFY_SET_KVM") Reported-by: Alex Williamson <alex.williamson@redhat.com> Suggested-by: Kevin Tian <kevin.tian@intel.com> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Yi Liu <yi.l.liu@intel.com> Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com> Link: https://lore.kernel.org/r/20230114000351.115444-1-mjrosato@linux.ibm.com Link: https://lore.kernel.org/r/20230120150528.471752-1-yi.l.liu@intel.com [aw: update comment as well, s/destroy/release/] Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2023-01-20Merge tag 'nvme-6.2-2023-01-20' of git://git.infradead.org/nvme into block-6.2Jens Axboe
Pull NVMe fixes from Christoph: "nvme fixes for Linux 6.2 - fix controller shutdown regression in nvme-apple (Janne Grunau) - fix a polling on timeout regression in nvme-pci (Keith Busch)" * tag 'nvme-6.2-2023-01-20' of git://git.infradead.org/nvme: nvme-pci: fix timeout request state check nvme-apple: only reset the controller when RTKit is running nvme-apple: reset controller during shutdown
2023-01-20USB: misc: iowarrior: fix up header size for USB_DEVICE_ID_CODEMERCS_IOW100Greg Kroah-Hartman
The USB_DEVICE_ID_CODEMERCS_IOW100 header size was incorrect, it should be 12, not 13. Cc: stable <stable@kernel.org> Fixes: 17a82716587e ("USB: iowarrior: fix up report size handling for some devices") Reported-by: Christoph Jung <jung@codemercs.com> Link: https://lore.kernel.org/r/20230120135330.3842518-1-gregkh@linuxfoundation.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-20usb: host: ehci-fsl: Fix module aliasAlexander Stein
Commit ca07e1c1e4a6 ("drivers:usb:fsl:Make fsl ehci drv an independent driver module") changed DRV_NAME which was used for MODULE_ALIAS as well. Starting from this the module alias didn't match the platform device name created in fsl-mph-dr-of.c Change DRV_NAME to match the driver name for host mode in fsl-mph-dr-of. This is needed for module autoloading on ls1021a. Fixes: ca07e1c1e4a6 ("drivers:usb:fsl:Make fsl ehci drv an independent driver module") Cc: stable <stable@kernel.org> Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com> Link: https://lore.kernel.org/r/20230120122714.3848784-1-alexander.stein@ew.tq-group.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-20ice: use GNSS subsystem instead of TTYArkadiusz Kubalewski
Previously support for GNSS was implemented as a TTY driver, it allowed to access GNSS receiver on /dev/ttyGNSS_<bus><func>. Use generic GNSS subsystem API instead of implementing own TTY driver. The receiver is accessible on /dev/gnss<id>. In case of multiple receivers in the OS, correct device can be found by enumerating either: - /sys/class/net/<eth port>/device/gnss/ - /sys/class/gnss/gnss<id>/device/ Using GNSS subsystem is superior to implementing own TTY driver, as the GNSS subsystem was designed solely for this purpose. It also implements TTY driver but in a common and defined way. From user perspective, there is no difference in communicating with a device, except new path to the device shall be used. The device will provide same information to the userspace as the old one, and can be used in the same way, i.e.: old # gpsmon /dev/ttyGNSS_2100_0 new # gpsmon /dev/gnss0 There is no other impact on userspace tools. User expecting onboard GNSS receiver support is required to enable CONFIG_GNSS=y/m in kernel config. Reviewed-by: Alexander Lobakin <alexandr.lobakin@intel.com> Signed-off-by: Karol Kolacinski <karol.kolacinski@intel.com> Signed-off-by: Michal Michalik <michal.michalik@intel.com> Signed-off-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com> Tested-by: Gurucharan G <gurucharanx.g@intel.com> (A Contingent worker at Intel) Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20net: hns: Switch to use acpi_evaluate_dsm_typed()Andy Shevchenko
The acpi_evaluate_dsm_typed() provides a way to check the type of the object evaluated by _DSM call. Use it instead of open coded variant. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Tony Nguyen <anthony.l.nguyen@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20ACPI: utils: Add acpi_evaluate_dsm_typed() and acpi_check_dsm() stubsAndy Shevchenko
When the ACPI part of a driver is optional the methods used in it are expected to be available even if CONFIG_ACPI=n. This is not the case for _DSM related methods. Add stubs for acpi_evaluate_dsm_typed() and acpi_check_dsm() methods. Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20tcp: fix rate_app_limited to default to 1David Morley
The initial default value of 0 for tp->rate_app_limited was incorrect, since a flow is indeed application-limited until it first sends data. Fixing the default to be 1 is generally correct but also specifically will help user-space applications avoid using the initial tcpi_delivery_rate value of 0 that persists until the connection has some non-zero bandwidth sample. Fixes: eb8329e0a04d ("tcp: export data delivery rate") Suggested-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: David Morley <morleyd@google.com> Signed-off-by: Neal Cardwell <ncardwell@google.com> Tested-by: David Morley <morleyd@google.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20bnxt: Do not read past the end of test namesKees Cook
Test names were being concatenated based on a offset beyond the end of the first name, which tripped the buffer overflow detection logic: detected buffer overflow in strnlen [...] Call Trace: bnxt_ethtool_init.cold+0x18/0x18 Refactor struct hwrm_selftest_qlist_output to use an actual array, and adjust the concatenation to use snprintf() rather than a series of strncat() calls. Reported-by: Niklas Cassel <Niklas.Cassel@wdc.com> Link: https://lore.kernel.org/lkml/Y8F%2F1w1AZTvLglFX@x1-carbon/ Tested-by: Niklas Cassel <Niklas.Cassel@wdc.com> Fixes: eb51365846bc ("bnxt_en: Add basic ethtool -t selftest support.") Cc: Michael Chan <michael.chan@broadcom.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Eric Dumazet <edumazet@google.com> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Paolo Abeni <pabeni@redhat.com> Cc: netdev@vger.kernel.org Signed-off-by: Kees Cook <keescook@chromium.org> Reviewed-by: Michael Chan <michael.chan@broadcom.com> Reviewed-by: Niklas Cassel <niklas.cassel@wdc.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20serial: exar: Add support for Sealevel 7xxxC serial cardsMatthew Howell
Add support for Sealevel 7xxxC serial cards. This patch: * Adds IDs to recognize 7xxxC cards from Sealevel Systems. * Updates exar_pci_probe() to set nr_ports to last two bytes of primary dev ID for these cards. Signed-off-by: Matthew Howell <matthew.howell@sealevel.com> Cc: stable <stable@kernel.org> Link: https://lore.kernel.org/r/alpine.DEB.2.21.2301191440010.22558@tstest-VirtualBox Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-20VMCI: Use threaded irqs instead of taskletsVishnu Dasa
The vmci_dispatch_dgs() tasklet function calls vmci_read_data() which uses wait_event() resulting in invalid sleep in an atomic context (and therefore potentially in a deadlock). Use threaded irqs to fix this issue and completely remove usage of tasklets. [ 20.264639] BUG: sleeping function called from invalid context at drivers/misc/vmw_vmci/vmci_guest.c:145 [ 20.264643] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 762, name: vmtoolsd [ 20.264645] preempt_count: 101, expected: 0 [ 20.264646] RCU nest depth: 0, expected: 0 [ 20.264647] 1 lock held by vmtoolsd/762: [ 20.264648] #0: ffff0000874ae440 (sk_lock-AF_VSOCK){+.+.}-{0:0}, at: vsock_connect+0x60/0x330 [vsock] [ 20.264658] Preemption disabled at: [ 20.264659] [<ffff80000151d7d8>] vmci_send_datagram+0x44/0xa0 [vmw_vmci] [ 20.264665] CPU: 0 PID: 762 Comm: vmtoolsd Not tainted 5.19.0-0.rc8.20220727git39c3c396f813.60.fc37.aarch64 #1 [ 20.264667] Hardware name: VMware, Inc. VBSA/VBSA, BIOS VEFI 12/31/2020 [ 20.264668] Call trace: [ 20.264669] dump_backtrace+0xc4/0x130 [ 20.264672] show_stack+0x24/0x80 [ 20.264673] dump_stack_lvl+0x88/0xb4 [ 20.264676] dump_stack+0x18/0x34 [ 20.264677] __might_resched+0x1a0/0x280 [ 20.264679] __might_sleep+0x58/0x90 [ 20.264681] vmci_read_data+0x74/0x120 [vmw_vmci] [ 20.264683] vmci_dispatch_dgs+0x64/0x204 [vmw_vmci] [ 20.264686] tasklet_action_common.constprop.0+0x13c/0x150 [ 20.264688] tasklet_action+0x40/0x50 [ 20.264689] __do_softirq+0x23c/0x6b4 [ 20.264690] __irq_exit_rcu+0x104/0x214 [ 20.264691] irq_exit_rcu+0x1c/0x50 [ 20.264693] el1_interrupt+0x38/0x6c [ 20.264695] el1h_64_irq_handler+0x18/0x24 [ 20.264696] el1h_64_irq+0x68/0x6c [ 20.264697] preempt_count_sub+0xa4/0xe0 [ 20.264698] _raw_spin_unlock_irqrestore+0x64/0xb0 [ 20.264701] vmci_send_datagram+0x7c/0xa0 [vmw_vmci] [ 20.264703] vmci_datagram_dispatch+0x84/0x100 [vmw_vmci] [ 20.264706] vmci_datagram_send+0x2c/0x40 [vmw_vmci] [ 20.264709] vmci_transport_send_control_pkt+0xb8/0x120 [vmw_vsock_vmci_transport] [ 20.264711] vmci_transport_connect+0x40/0x7c [vmw_vsock_vmci_transport] [ 20.264713] vsock_connect+0x278/0x330 [vsock] [ 20.264715] __sys_connect_file+0x8c/0xc0 [ 20.264718] __sys_connect+0x84/0xb4 [ 20.264720] __arm64_sys_connect+0x2c/0x3c [ 20.264721] invoke_syscall+0x78/0x100 [ 20.264723] el0_svc_common.constprop.0+0x68/0x124 [ 20.264724] do_el0_svc+0x38/0x4c [ 20.264725] el0_svc+0x60/0x180 [ 20.264726] el0t_64_sync_handler+0x11c/0x150 [ 20.264728] el0t_64_sync+0x190/0x194 Signed-off-by: Vishnu Dasa <vdasa@vmware.com> Suggested-by: Zack Rusin <zackr@vmware.com> Reported-by: Nadav Amit <namit@vmware.com> Reported-by: Nathan Chancellor <nathan@kernel.org> Tested-by: Nathan Chancellor <nathan@kernel.org> Fixes: 463713eb6164 ("VMCI: dma dg: add support for DMA datagrams receive") Cc: <stable@vger.kernel.org> # v5.18+ Cc: VMware PV-Drivers Reviewers <pv-drivers@vmware.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Bryan Tan <bryantan@vmware.com> Reviewed-by: Bryan Tan <bryantan@vmware.com> Reviewed-by: Zack Rusin <zackr@vmware.com> Link: https://lore.kernel.org/r/20221130070511.46558-1-vdasa@vmware.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-20misc: fastrpc: Pass bitfield into qcom_scm_assign_memElliot Berman
The srcvm parameter of qcom_scm_assign_mem is a pointer to a bitfield of VMIDs. The bitfield is updated with which VMIDs have permissions after the qcom_scm_assign_mem call. This makes it simpler for clients to make qcom_scm_assign_mem calls later, they always pass in same srcvm bitfield and do not need to closely track whether memory was originally shared. When restoring permissions to HLOS, fastrpc is incorrectly using the first VMID directly -- neither the BIT nor the other possible VMIDs the memory was already assigned to. We already have a field intended for this purpose: "perms" in the struct fastrpc_channel_ctx, but it was never used. Start using the perms field. Cc: Abel Vesa <abel.vesa@linaro.org> Cc: Vamsi Krishna Gattupalli <quic_vgattupa@quicinc.com> Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Fixes: e90d91190619 ("misc: fastrpc: Add support to secure memory map") Fixes: 0871561055e6 ("misc: fastrpc: Add support for audiopd") Fixes: 532ad70c6d44 ("misc: fastrpc: Add mmap request assigning for static PD pool") Tested-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Elliot Berman <quic_eberman@quicinc.com> drivers/misc/fastrpc.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) Link: https://lore.kernel.org/r/20230112182313.521467-1-quic_eberman@quicinc.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-20gsmi: fix null-deref in gsmi_get_variableKhazhismel Kumykov
We can get EFI variables without fetching the attribute, so we must allow for that in gsmi. commit 859748255b43 ("efi: pstore: Omit efivars caching EFI varstore access layer") added a new get_variable call with attr=NULL, which triggers panic in gsmi. Fixes: 74c5b31c6618 ("driver: Google EFI SMI") Cc: stable <stable@kernel.org> Signed-off-by: Khazhismel Kumykov <khazhy@google.com> Link: https://lore.kernel.org/r/20230118010212.1268474-1-khazhy@google.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-20misc: fastrpc: Fix use-after-free race condition for mapsOla Jeppsson
It is possible that in between calling fastrpc_map_get() until map->fl->lock is taken in fastrpc_free_map(), another thread can call fastrpc_map_lookup() and get a reference to a map that is about to be deleted. Rewrite fastrpc_map_get() to only increase the reference count of a map if it's non-zero. Propagate this to callers so they can know if a map is about to be deleted. Fixes this warning: refcount_t: addition on 0; use-after-free. WARNING: CPU: 5 PID: 10100 at lib/refcount.c:25 refcount_warn_saturate ... Call trace: refcount_warn_saturate [fastrpc_map_get inlined] [fastrpc_map_lookup inlined] fastrpc_map_create fastrpc_internal_invoke fastrpc_device_ioctl __arm64_sys_ioctl invoke_syscall Fixes: c68cfb718c8f ("misc: fastrpc: Add support for context Invoke method") Cc: stable <stable@kernel.org> Signed-off-by: Ola Jeppsson <ola@snap.com> Signed-off-by: Abel Vesa <abel.vesa@linaro.org> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20221124174941.418450-4-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-20misc: fastrpc: Don't remove map on creater_process and device_releaseAbel Vesa
Do not remove the map from the list on error path in fastrpc_init_create_process, instead call fastrpc_map_put, to avoid use-after-free. Do not remove it on fastrpc_device_release either, call fastrpc_map_put instead. The fastrpc_free_map is the only proper place to remove the map. This is called only after the reference count is 0. Fixes: b49f6d83e290 ("misc: fastrpc: Fix a possible double free") Cc: stable <stable@kernel.org> Co-developed-by: Ola Jeppsson <ola@snap.com> Signed-off-by: Ola Jeppsson <ola@snap.com> Signed-off-by: Abel Vesa <abel.vesa@linaro.org> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20221124174941.418450-3-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-20misc: fastrpc: Fix use-after-free and race in fastrpc_map_findAbel Vesa
Currently, there is a race window between the point when the mutex is unlocked in fastrpc_map_lookup and the reference count increasing (fastrpc_map_get) in fastrpc_map_find, which can also lead to use-after-free. So lets merge fastrpc_map_find into fastrpc_map_lookup which allows us to both protect the maps list by also taking the &fl->lock spinlock and the reference count, since the spinlock will be released only after. Add take_ref argument to make this suitable for all callers. Fixes: 8f6c1d8c4f0c ("misc: fastrpc: Add fdlist implementation") Cc: stable <stable@kernel.org> Co-developed-by: Ola Jeppsson <ola@snap.com> Signed-off-by: Ola Jeppsson <ola@snap.com> Signed-off-by: Abel Vesa <abel.vesa@linaro.org> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20221124174941.418450-2-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-20misc: fastrpc: fix error code in fastrpc_req_mmap()Dan Carpenter
The "err" variable shadows an earlier global variable so this code returns success instead of a negative error code. Fixes: 532ad70c6d44 ("misc: fastrpc: Add mmap request assigning for static PD pool") Signed-off-by: Dan Carpenter <error27@gmail.com> Link: https://lore.kernel.org/r/Y4XUrMETCl1O6t0A@kili Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-20mei: me: add meteor lake point M DIDAlexander Usyskin
Add Meteor Lake Point M device id. Cc: <stable@vger.kernel.org> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20221212220247.286019-2-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-20mei: bus: fix unlink on bus in error pathAlexander Usyskin
Unconditional call to mei_cl_unlink in mei_cl_bus_dev_release leads to call of the mei_cl_unlink without corresponding mei_cl_link. This leads to miscalculation of open_handle_count (decrease without increase). Call unlink in mei_cldev_enable fail path and remove blanket unlink from mei_cl_bus_dev_release. Fixes: 34f1166afd67 ("mei: bus: need to unlink client before freeing") Cc: <stable@vger.kernel.org> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Reviewed-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Link: https://lore.kernel.org/r/20221212220247.286019-1-tomas.winkler@intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-20Merge branch '100GbE' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue Tony Nguyen says: ==================== Intel Wired LAN Driver Updates 2023-01-19 (ice) This series contains updates to ice driver only. Tsotne and Anatolii implement new handling, and AdminQ command, for firmware LLDP, adding a pending notification to allow for proper cleanup between TC changes. Amritha extends support for drop action outside of switchdev. Siddaraju adjusts restriction for PTP HW clock adjustments. Ani removes an unneeded non-null check and improves reporting of some link modes to utilize more appropriate values. Jesse adds checks to ensure PF VSI type. Przemek combines duplicate checks of the same condition into one check. Tony makes various cleanups to code: removes comments for cppcheck suppressions, reduces scope of some variables, changes some return statements to reflect an explicit 0 return, matches naming for function declaration and definition, adds local variable for readability, and fixes indenting. Sergey separates DDP (Dynamic Device Personalization) code into its own file. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20Merge tag 'icc-6.2-rc5' of ↵Greg Kroah-Hartman
git://git.kernel.org/pub/scm/linux/kernel/git/djakov/icc into char-misc-linus Georgi writes: interconnect fixes for v6.2-rc This contains fixes for a rare boot hang issue that has been reported on the db820c dragonboard. - dt-bindings: interconnect: Add UFS clocks to MSM8996 A2NoC - interconnect: qcom: msm8996: Provide UFS clocks to A2NoC - interconnect: qcom: msm8996: Fix regmap max_register values - interconnect: qcom: rpm: Use _optional func for provider clocks Signed-off-by: Georgi Djakov <djakov@kernel.org> * tag 'icc-6.2-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/djakov/icc: interconnect: qcom: rpm: Use _optional func for provider clocks interconnect: qcom: msm8996: Fix regmap max_register values interconnect: qcom: msm8996: Provide UFS clocks to A2NoC dt-bindings: interconnect: Add UFS clocks to MSM8996 A2NoC
2023-01-20Revert "serial: stm32: Merge hard IRQ and threaded IRQ handling into single ↵Greg Kroah-Hartman
IRQ handler" This reverts commit f24771b62a83239f0dce816bddf0f6807f436235 as it is reported to break the build. Reported-by: kernel test robot <lkp@intel.com> Link: https://lore.kernel.org/r/202301200130.ttBiTzfO-lkp@intel.com Fixes: f24771b62a83 ("serial: stm32: Merge hard IRQ and threaded IRQ handling into single IRQ handler") Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Valentin Caron <valentin.caron@foss.st.com> # V3 Cc: Marek Vasut <marex@denx.de> Cc: Johan Hovold <johan@kernel.org> Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2023-01-20firmware: zynqmp: fix declarations for gcc-13Arnd Bergmann
gcc-13.0.1 reports a type mismatch for two functions: drivers/firmware/xilinx/zynqmp.c:1228:5: error: conflicting types for 'zynqmp_pm_set_rpu_mode' due to enum/integer mismatch; have 'int(u32, enum rpu_oper_mode)' {aka 'int(unsigned int, enum rpu_oper_mode)'} [-Werror=enum-int-mismatch] 1228 | int zynqmp_pm_set_rpu_mode(u32 node_id, enum rpu_oper_mode rpu_mode) | ^~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/firmware/xilinx/zynqmp.c:25: include/linux/firmware/xlnx-zynqmp.h:552:5: note: previous declaration of 'zynqmp_pm_set_rpu_mode' with type 'int(u32, u32)' {aka 'int(unsigned int, unsigned int)'} 552 | int zynqmp_pm_set_rpu_mode(u32 node_id, u32 arg1); | ^~~~~~~~~~~~~~~~~~~~~~ drivers/firmware/xilinx/zynqmp.c:1246:5: error: conflicting types for 'zynqmp_pm_set_tcm_config' due to enum/integer mismatch; have 'int(u32, enum rpu_tcm_comb)' {aka 'int(unsigned int, enum rpu_tcm_comb)'} [-Werror=enum-int-mismatch] 1246 | int zynqmp_pm_set_tcm_config(u32 node_id, enum rpu_tcm_comb tcm_mode) | ^~~~~~~~~~~~~~~~~~~~~~~~ include/linux/firmware/xlnx-zynqmp.h:553:5: note: previous declaration of 'zynqmp_pm_set_tcm_config' with type 'int(u32, u32)' {aka 'int(unsigned int, unsigned int)'} 553 | int zynqmp_pm_set_tcm_config(u32 node_id, u32 arg1); | ^~~~~~~~~~~~~~~~~~~~~~~~ Change the declaration in the header to match the function definition. Acked-by: Michal Simek <michal.simek@amd.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-01-20Merge tag 'at91-fixes-6.2' of ↵Arnd Bergmann
https://git.kernel.org/pub/scm/linux/kernel/git/at91/linux into arm/fixes AT91 fixes for 6.2: It contains: - fix the clock provided via DT for DDR controller on SAM9X60 * tag 'at91-fixes-6.2' of https://git.kernel.org/pub/scm/linux/kernel/git/at91/linux: ARM: dts: at91: sam9x60: fix the ddr clock for sam9x60 Link: https://lore.kernel.org/r/20230119112101.42045-1-claudiu.beznea@microchip.com Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-01-20Merge tag 'stm32-dt-for-v6.2-fixes-1' of ↵Arnd Bergmann
git://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32 into arm/fixes STM32 DT fixes for v6.2, round 1 Highlights: ----------- -STM32MP15: - Fix missing chip select phandle in several stm32mp15x based boards. * tag 'stm32-dt-for-v6.2-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/atorgue/stm32: ARM: dts: stm32: Fix qspi pinctrl phandle for stm32mp151a-prtt1l ARM: dts: stm32: Fix qspi pinctrl phandle for stm32mp157c-emstamp-argon ARM: dts: stm32: Fix qspi pinctrl phandle for stm32mp15xx-dhcom-som ARM: dts: stm32: Fix qspi pinctrl phandle for stm32mp15xx-dhcor-som Link: https://lore.kernel.org/r/3fe26bf9-297b-5c78-682b-37fa6d8b6190@foss.st.com Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-01-20Merge branch 'net-dcb-rewrite-table'David S. Miller
Daniel Machon says: ==================== net: Introduce new DCB rewrite table There is currently no support for per-port egress mapping of priority to PCP and priority to DSCP. Some support for expressing egress mapping of PCP is supported through ip link, with the 'egress-qos-map', however this command only maps priority to PCP, and for vlan interfaces only. DCB APP already has support for per-port ingress mapping of PCP/DEI, DSCP and a bunch of other stuff. So why not take advantage of this fact, and add a new table that does the reverse. This patch series introduces the new DCB rewrite table. Whereas the DCB APP table deals with ingress mapping of PID (protocol identifier) to priority, the rewrite table deals with egress mapping of priority to PID. It is indeed possible to integrate rewrite in the existing APP table, by introducing new dedicated rewrite selectors, and altering existing functions to treat rewrite entries specially. However, I feel like this is not a good solution, and will pollute the APP namespace. APP is well-defined in IEEE, and some userspace relies of advertised entries - for this fact, separating APP and rewrite into to completely separate objects, seems to me the best solution. The new table shares much functionality with the APP table, and as such, much existing code is reused, or slightly modified, to work for both. ================================================================================ DCB rewrite table in a nutshell ================================================================================ The table is implemented as a simple linked list, and uses the same lock as the APP table. New functions for getting, setting and deleting entries have been added, and these are exported, so they can be used by the stack or drivers. Additionnaly, new dcbnl_setrewr and dcnl_delrewr hooks has been added, to support hardware offload of the entries. ================================================================================ Sparx5 per-port PCP rewrite support ================================================================================ Sparx5 supports PCP egress mapping through two eight-entry switch tables. One table maps QoS class 0-7 to PCP for DE0 (DP levels mapped to drop-eligibility 0) and the other for DE1. DCB does currently not have support for expressing DP/color, so instead, the tagged DEI bit will reflect the DP levels, for any rewrite entries> 7 ('de'). The driver will take apptrust (contributed earlier) into consideration, so that the mapping tables only be used, if PCP is trusted *and* the rewrite table has active mappings, otherwise classified PCP (same as frame PCP) will be used instead. ================================================================================ Sparx5 per-port DSCP rewrite support ================================================================================ Sparx5 support DSCP egress mapping through a single 32-entry table. This table maps classified QoS class and DP level to classified DSCP, and is consulted by the switch Analyzer Classifier at ingress. At egress, the frame DSCP can either be rewritten to classified DSCP to frame DSCP. The driver will take apptrust into consideration, so that the mapping tables only be used, if DSCP is trusted *and* the rewrite table has active mappings, otherwise frame DSCP will be used instead. ================================================================================ Patches ================================================================================ Patch #1 modifies dcb_app_add to work for both APP and rewrite Patch #2 adds dcbnl_app_table_setdel() for setting and deleting both APP and rewrite entries. Patch #3 adds the rewrite table and all required functions, offload hooks and bookkeeping for maintaining it. Patch #4 adds two new helper functions for getting a priority to PCP bitmask map, and a priority to DSCP bitmask map. Patch #5 adds support for PCP rewrite in the Sparx5 driver. Patch #6 adds support for DSCP rewrite in the Sparx5 driver. ================================================================================ v2 -> v3: in dcbnl_ieee_fill() use nla_nest_start() instead of the _noflag() version. Also, cancel the rewrite nest in case of an error (Petr Machata). v1 -> v2: In dcb_setrewr() change proto to u16 as it ought to be, and remove zero initialization of err. (Dan Carpenter). Change name of dcbnl_apprewr_setdel -> dcbnl_app_table_setdel and change the function signature to take a single function pointer. Update uses accordingly (Petr Machata). ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20net: microchip: sparx5: add support for DSCP rewriteDaniel Machon
Add support for DSCP rewrite in Sparx5 driver. On egress DSCP is rewritten from either classified DSCP, or frame DSCP. Classified DSCP is determined by the Analyzer Classifier on ingress, and is mapped from classified QoS class and DP level. Classification of DSCP is by default enabled for all ports. It is required that DSCP is trusted for the egress port *and* rewrite table is not empty, in order to rewrite DSCP based on classified DSCP, otherwise DSCP is always rewritten from frame DSCP. classified_dscp = qos_dscp_map[8 * dp_level + qos_class]; if (active_mappings && dscp_is_trusted) rewritten_dscp = classified_dscp else rewritten_dscp = frame_dscp To rewrite DSCP to 20 for any frames with priority 7: $ dcb apptrust set dev eth0 order dscp $ dcb rewr add dev eth0 7:20 <-- not in iproute2/dcb yet Signed-off-by: Daniel Machon <daniel.machon@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20net: microchip: sparx5: add support for PCP rewriteDaniel Machon
Add support for rewrite of PCP and DEI, based on classified Quality of Service (QoS) class and Drop-Precedence (DP) level. The DCB rewrite table is queried for mappings between priority and PCP/DEI. The classified DP level is then encoded in the DEI bit, if a mapping for DEI exists. Sparx5 has four DP levels, where by default, 0 is mapped to DE0 and 1-3 are mapped to DE1. If a mapping exists where DEI=1, then all classified DP levels mapped to DE1 will set the DEI bit. The other way around for DEI=0. Effectively, this means that the tagged DEI bit will reflect the DP level for any mappings where DEI=1. Map priority=1 to PCP=1 and DEI=1: $ dcb rewr add dev eth0 pcp-prio 1:1de Map priority=7 to PCP=2 and DEI=0 $ dcb rewr add dev eth0 pcp-prio 7:2nd Also, sparx5_dcb_ieee_dscp_setdel() has been refactored, to work for both APP and rewrite entries. Signed-off-by: Daniel Machon <daniel.machon@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20net: dcb: add helper functions to retrieve PCP and DSCP rewrite mapsDaniel Machon
Add two new helper functions to retrieve a mapping of priority to PCP and DSCP bitmasks, where each bitmap contains ones in positions that match a rewrite entry. dcb_ieee_getrewr_prio_dscp_mask_map() reuses the dcb_ieee_app_prio_map, as this struct is already used for a similar mapping in the app table. Signed-off-by: Daniel Machon <daniel.machon@microchip.com> Reviewed-by: Petr Machata <petrm@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20net: dcb: add new rewrite tableDaniel Machon
Add new rewrite table and all the required functions, offload hooks and bookkeeping for maintaining it. The rewrite table reuses the app struct, and the entire set of app selectors. As such, some bookeeping code can be shared between the rewrite- and the APP table. New functions for getting, setting and deleting entries has been added. Apart from operating on the rewrite list, these functions do not emit a DCB_APP_EVENT when the list os modified. The new dcb_getrewr does a lookup based on selector and priority and returns the protocol, so that mappings from priority to protocol, for a given selector and ifindex is obtained. Also, a new nested attribute has been added, that encapsulates one or more app structs. This attribute is used to distinguish the two tables. The dcb_lock used for the APP table is reused for the rewrite table. Signed-off-by: Daniel Machon <daniel.machon@microchip.com> Reviewed-by: Petr Machata <petrm@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20net: dcb: add new common function for set/del of app/rewr entriesDaniel Machon
In preparation for DCB rewrite. Add a new function for setting and deleting both app and rewrite entries. Moving this into a separate function reduces duplicate code, as both type of entries requires the same set of checks. The function will now iterate through a configurable nested attribute (app or rewrite attr), validate each attribute and call the appropriate set- or delete function. Note that this function always checks for nla_len(attr_itr) < sizeof(struct dcb_app), which was only done in dcbnl_ieee_set and not in dcbnl_ieee_del prior to this patch. This means, that any userspace tool that used to shove in data < sizeof(struct dcb_app) would now receive -ERANGE. Signed-off-by: Daniel Machon <daniel.machon@microchip.com> Reviewed-by: Petr Machata <petrm@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20net: dcb: modify dcb_app_add to take list_head ptr as parameterDaniel Machon
In preparation to DCB rewrite. Modify dcb_app_add to take new struct list_head * as parameter, to make the used list configurable. This is done to allow reusing the function for adding rewrite entries to the rewrite table, which is introduced in a later patch. Signed-off-by: Daniel Machon <daniel.machon@microchip.com> Reviewed-by: Petr Machata <petrm@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20net: stmmac: enable all safety features by defaultAndrew Halaney
In the original implementation of dwmac5 commit 8bf993a5877e ("net: stmmac: Add support for DWMAC5 and implement Safety Features") all safety features were enabled by default. Later it seems some implementations didn't have support for all the features, so in commit 5ac712dcdfef ("net: stmmac: enable platform specific safety features") the safety_feat_cfg structure was added to the callback and defined for some platforms to selectively enable these safety features. The problem is that only certain platforms were given that software support. If the automotive safety package bit is set in the hardware features register the safety feature callback is called for the platform, and for platforms that didn't get a safety_feat_cfg defined this results in the following NULL pointer dereference: [ 7.933303] Call trace: [ 7.935812] dwmac5_safety_feat_config+0x20/0x170 [stmmac] [ 7.941455] __stmmac_open+0x16c/0x474 [stmmac] [ 7.946117] stmmac_open+0x38/0x70 [stmmac] [ 7.950414] __dev_open+0x100/0x1dc [ 7.954006] __dev_change_flags+0x18c/0x204 [ 7.958297] dev_change_flags+0x24/0x6c [ 7.962237] do_setlink+0x2b8/0xfa4 [ 7.965827] __rtnl_newlink+0x4ec/0x840 [ 7.969766] rtnl_newlink+0x50/0x80 [ 7.973353] rtnetlink_rcv_msg+0x12c/0x374 [ 7.977557] netlink_rcv_skb+0x5c/0x130 [ 7.981500] rtnetlink_rcv+0x18/0x2c [ 7.985172] netlink_unicast+0x2e8/0x340 [ 7.989197] netlink_sendmsg+0x1a8/0x420 [ 7.993222] ____sys_sendmsg+0x218/0x280 [ 7.997249] ___sys_sendmsg+0xac/0x100 [ 8.001103] __sys_sendmsg+0x84/0xe0 [ 8.004776] __arm64_sys_sendmsg+0x24/0x30 [ 8.008983] invoke_syscall+0x48/0x114 [ 8.012840] el0_svc_common.constprop.0+0xcc/0xec [ 8.017665] do_el0_svc+0x38/0xb0 [ 8.021071] el0_svc+0x2c/0x84 [ 8.024212] el0t_64_sync_handler+0xf4/0x120 [ 8.028598] el0t_64_sync+0x190/0x194 Go back to the original behavior, if the automotive safety package is found to be supported in hardware enable all the features unless safety_feat_cfg is passed in saying this particular platform only supports a subset of the features. Fixes: 5ac712dcdfef ("net: stmmac: enable platform specific safety features") Reported-by: Ning Cai <ncai@quicinc.com> Signed-off-by: Andrew Halaney <ahalaney@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20Merge branch 'octeontx2-af-CPT'David S. Miller
Srujana Challa says: ==================== octeontx2-af: Miscellaneous changes for CPT This patchset consists of miscellaneous changes for CPT. - Adds a new mailbox to reset the requested CPT LF. - Modify FLR sequence as per HW team suggested. - Adds support to recover CPT engines when they gets fault. - Updates CPT inbound inline IPsec configuration mailbox, as per new generation of the OcteonTX2 chips. - Adds a new mailbox to return CPT FLT Interrupt info. --- v2: - Addressed a review comment. v1: - Dropped patch "octeontx2-af: Fix interrupt name strings completely" to submit to net. --- ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20octeontx2-af: add mbox to return CPT_AF_FLT_INT infoSrujana Challa
CPT HW would trigger the CPT AF FLT interrupt when CPT engines hits some uncorrectable errors and AF is the one which receives the interrupt and recovers the engines. This patch adds a mailbox for CPT VFs to request for CPT faulted and recovered engines info. Signed-off-by: Srujana Challa <schalla@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20octeontx2-af: update cpt lf alloc mailboxSrujana Challa
The CN10K CPT coprocessor contains a context processor to accelerate updates to the IPsec security association contexts. The context processor contains a context cache. This patch updates CPT LF ALLOC mailbox to config ctx_ilen requested by VFs. CPT_LF_ALLOC:ctx_ilen is the size of initial context fetch. Signed-off-by: Srujana Challa <schalla@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20octeontx2-af: restore rxc conf after teardown sequenceNithin Dabilpuram
CN10K CPT coprocessor includes a component named RXC which is responsible for reassembly of inner IP packets. RXC has the feature to evict oldest entries based on age/threshold. The age/threshold is being set to minimum values to evict all entries at the time of teardown. This patch adds code to restore timeout and threshold config after teardown sequence is complete as it is global config. Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20octeontx2-af: optimize cpt pf identificationSrujana Challa
Optimize CPT PF identification in mbox handling for faster mbox response by doing it at AF driver probe instead of every mbox message. Signed-off-by: Srujana Challa <schalla@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20octeontx2-af: modify FLR sequence for CPTSrujana Challa
On OcteonTX2 platform CPT instruction enqueue is only possible via LMTST operations. The existing FLR sequence mentioned in HRM requires a dummy LMTST to CPT but LMTST can't be submitted from AF driver. So, HW team provided a new sequence to avoid dummy LMTST. This patch adds code for the same. Signed-off-by: Srujana Challa <schalla@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20octeontx2-af: add mbox for CPT LF resetSrujana Challa
On OcteonTX2 SoC, the admin function (AF) is the only one with all priviliges to configure HW and alloc resources, PFs and it's VFs have to request AF via mailbox for all their needs. This patch adds a new mailbox for CPT VFs to request for CPT LF reset. Signed-off-by: Srujana Challa <schalla@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20octeontx2-af: recover CPT engine when it gets faultSrujana Challa
When CPT engine has uncorrectable errors, it will get halted and must be disabled and re-enabled. This patch adds code for the same. Signed-off-by: Srujana Challa <schalla@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20Merge branch 'lan9303-phylink'David S. Miller
Jerry Ray says: ==================== dsa: lan9303: Move to PHYLINK This patch series moves the lan9303 driver to use the phylink api away from phylib. Migrating to phylink means removing the .adjust_link api. The functionality from the adjust_link is moved to the phylink_mac_link_up api. The code being removed only affected the cpu port. The other ports on the LAN9303 do not need anything from the phylink_mac_link_up api. Patches: 0001 - Whitespace only change aligning the dsa_switch_ops members. No code changes. 0002 - Moves the Turbo bit initialization out of the adjust_link api and places it in a driver initialization execution path. It only needs to be initialized once, it is never changed, and it is not a per-port flag. 0003 - Adds exception handling logic in the extremely unlikely event that the read of the device fails. 0004 - Performance optimization that skips a slow register write if there is no need to perform it. 0005 - Change the way we identify the xMII port as phydev will be NULL when this logic is moved into phylink_mac_link_up. 0006 - Removes adjust_link and begins using the phylink dsa_switch_ops apis. 0007 - Adds XMII port flow control settings in the phylink_mac_link_up() api while cleaning up the ANEG / speed / duplex implementation. --- v6->v7: - Moved the initialization of the Turbo bit into lan9303_setup(). - Added a macro for determining is a port is an XMII port. - Added setting the XMII flow control in the phylink_mac_link_up() API. - removed unnecessary error handling and cleaned up the code flow in phylink_mac_link_up(). v5->v6: - Moved to using port number to identify xMII port for the LAN9303. v4->v5: - Created prep patches to better show how things migrate. - cleaned up comments. v3->v4: - Addressed whitespace issues as a separate patch. - Removed port_max_mtu api patch as it is unrelated to phylink migration. - Reworked the implementation to preserve the adjust_link functionality by including it in the phylink_mac_link_up api. v2->v3: Added back in disabling Turbo Mode on the CPU MII interface. Removed the unnecessary clearing of the phy supported interfaces. v1->v2: corrected the reported mtu size, removing ETH_HLEN and ETH_FCS_LEN ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20dsa: lan9303: Add flow ctrl in link_upJerry Ray
While the prior patch moved the adjust_link code into the phylink_mac_link_up api, this patch cleans it up and adds the setting the port's flow control based on the phylink_mac_link_up input parameters. Signed-off-by: Jerry Ray <jerry.ray@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20dsa: lan9303: Migrate to PHYLINKJerry Ray
This patch replaces the adjust_link api with the phylink apis that provide equivalent functionality. The remaining functionality from the adjust_link is now covered in the phylink_mac_link_up api. Removes: .adjust_link Adds: .phylink_get_caps .phylink_mac_link_up Signed-off-by: Jerry Ray <jerry.ray@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-01-20dsa: lan9303: Port 0 is xMII portJerry Ray
In preparing to move the adjust_link logic into the phylink_mac_link_up api, change the macro used to check for the cpu port. In phylink_mac_link_up, the phydev pointer passed in for the CPU port is NULL, so we can't keep using phy_is_pseudo_fixed_link(phydev). Signed-off-by: Jerry Ray <jerry.ray@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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