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A system shutdown can happen at essentially any time, and it's
possible that the IPA driver is busy when a shutdown is underway.
IPA hardware accesses IMEM and SMEM memory regions using an IOMMU,
and at some point during shutdown, needed I/O mappings could become
invalid. This could be disastrous for any "in flight" IPA activity.
Avoid this by defining a new driver shutdown callback that stops all
IPA activity and cleanly shuts down the driver. It merely calls the
driver's existing remove callback, reporting the error if it returns
one.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The IPA driver remove callback, ipa_remove(), calls ipa_modem_stop()
if the setup stage of initialization is complete. If a concurrent
call to ipa_modem_start() or ipa_modem_stop() has begin but not
completed, ipa_modem_stop() can return an error (-EBUSY).
The next patch adds a driver shutdown callback, which will simply
call ipa_remove(). We really want our shutdown callback to clean
things up. So add a single retry to the ipa_modem_stop() call in
ipa_remove() after a short (millisecond) delay. This offers no
guarantee the shutdown will complete successfully, but we'll at
least try a little harder before giving up.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When stopping an AP RX channel, there can be a transient period
while the channel enters STOP_IN_PROC state before reaching the
final STOPPED state. In that case we make another attempt to stop
the channel.
Similarly, when stopping a modem channel (using a GSI generic
command issued from the AP), it's possible that multiple attempts
will be required before the channel reaches STOPPED state.
Add a field to the GSI structure to record an errno representing the
result code provided when a generic command completes. If the
result learned in gsi_isr_gp_int1() is RETRY, record -EAGAIN in the
result code, otherwise record 0 for success, or -EIO for any other
result.
If we time out nf gsi_generic_command() waiting for the command to
complete, return -ETIMEDOUT (as before). Otherwise return the
result stashed by gsi_isr_gp_int1().
Add a loop in gsi_modem_channel_halt() to reissue the HALT command
if the result code indicates -EAGAIN. Limit this to 10 retries
(after the initial attempt).
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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IPA v4.2 has a hardware quirk that requires the AP to allocate GSI
channels for the modem to use. It is recommended that these modem
channels get stopped (with a HALT generic command) by the AP when
its IPA driver gets removed.
The AP has no way of knowing the current state of a modem channel.
So when the IPA driver issues a HALT command it's possible the
channel is not running, and in that case we get an error indication.
This error simply means we didn't need to stop the channel, so we
can ignore it.
This patch adds an explanation for this situation, and arranges for
this condition to *not* report an error message.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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If the rmnet_ipa0 network device has not been opened at the time
we remove or shut down the IPA driver, its underlying TX and RX
GSI channels will not have been started, and they will still be
in ALLOCATED state.
The RESET command on a channel is meant to return a channel to
ALLOCATED state after it's been stopped. But if it was never
started, its state will still be ALLOCATED, the RESET command
is not required.
Quietly skip doing the reset without printing an error message if a
channel is already in ALLOCATED state when we request it be reset.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When a GSI command is used to change the state of a channel or event
ring we check the state before and after the command to ensure it is
as expected. If not, we print an error message, but it does not
include the channel or event ring id, and it easily can. Add the
channel or event ring id to these error messages.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Stop assuming a fixed IPA core clock rate and interconnect
bandwidths. Use the configuration data defined for these
things instead. Get rid of the previously-used constants.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Populate the core clock rate and interconnect average and peak
bandwidth data for SDM845 and SC7180 in their configuration data
files. At this point we still don't *use* this data.
Note that SC7180 actually defines a new core clock rate (100 MHz
instead of 75 MHz) and new interconnect bandwidth values. They
will be activated in the next commit, which uses the configured
values rather than the fixed constants.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Define a new type of configuration data, used to initialize the
IPA core clock and interconnects. This is the first of three
patches, and defines the data types and interface but doesn't
yet use them.
Switch the return value if there is no matching configuration data
to ENODEV instead of ENOTSUPP (to avoid using the nonstandard errno).
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The mdio_bus may have dependencies from GPIO controller and so got
deferred. Now it will print error message every time -EPROBE_DEFER is
returned which from:
__mdiobus_register()
|-devm_gpiod_get_optional()
without actually identifying error code.
"mdio_bus 4a101000.mdio: mii_bus 4a101000.mdio couldn't get reset GPIO"
Hence, suppress error message for devm_gpiod_get_optional() returning
-EPROBE_DEFER case by using dev_err_probe().
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Link: https://lore.kernel.org/r/20201119203446.20857-1-grygorii.strashko@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Tiny improvement, let dev_err_probe() deal with EPROBE_DEFER.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/b0c4ebcf-2047-e933-b890-8a20e4bdb19f@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Some chip versions have a hw bug resulting in lost door bell rings.
To work around this the doorbell is also rung whenever we still have
tx descriptors in flight after having cleaned up tx descriptors.
These PCI(e) writes come at a cost, therefore let's reduce the number
of extra doorbell rings.
If skb is NULL then this means:
- last cleaned-up descriptor belongs to a skb with at least one fragment
and last fragment isn't marked as sent yet
- hw is in progress sending the skb, therefore no extra doorbell ring
is needed for this skb
- once last fragment is marked as transmitted hw will trigger
a tx done interrupt and we come here again (with skb != NULL)
and ring the doorbell if needed
Therefore skip the workaround doorbell ring if skb is NULL.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/0a15a83c-aecf-ab51-8071-b29d9dcd529a@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Now that the driver supports nexthop objects, the check is no longer
necessary. Remove it.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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If the FIB info (i.e, 'struct fib_info', 'struct fib6_info') uses a
nexthop object, then use the object's identifier to resolve the nexthop
group.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Register a listener to the nexthop notification chain and parse notified
nexthop objects into the existing mlxsw nexthop data structures.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add ethtool ring and coalesce settings support for testing.
Signed-off-by: Antonio Cardace <acardace@redhat.com>
Reviewed-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This will help the refactoring in the next commit
when coalesce and ring settings are added.
Signed-off-by: Antonio Cardace <acardace@redhat.com>
Reviewed-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The call to pc_delete_flow can kfree the iter object, so the following
dev_err message that accesses iter->entry can accessmemory that has
just been kfree'd. Fix this by adding a temporary variable 'entry'
that has a copy of iter->entry and also use this when indexing into
the array mcam->entry2target_pffunc[]. Also print the unsigned value
using the %u format specifier rather than %d.
Addresses-Coverity: ("Read from pointer after free")
Fixes: 55307fcb9258 ("octeontx2-af: Add mbox messages to install and delete MCAM rules")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20201118143803.463297-1-colin.king@canonical.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Currently the variable err may be uninitialized if several of the if
statements are not executed in function nix_tx_vtag_decfg and a garbage
value in err is returned. Fix this by initialized ret at the start of
the function.
Addresses-Coverity: ("Uninitialized scalar variable")
Fixes: 9a946def264d ("octeontx2-af: Modify nix_vtag_cfg mailbox to support TX VTAG entries")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20201118132502.461098-1-colin.king@canonical.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The shifting of the u16 result from ntohs(proto) by 16 bits to the
left will be promoted to a 32 bit signed int and then sign-extended
to a u64. In the event that the top bit of the return from ntohs(proto)
is set then all then all the upper 32 bits of a 64 bit long end up as
also being set because of the sign-extension. Fix this by casting to
a u64 long before the shift.
Addresses-Coverity: ("Unintended sign extension")
Fixes: f0c2982aaf98 ("octeontx2-pf: Add support for SR-IOV management function")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20201118130520.460365-1-colin.king@canonical.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add entries to debugfs at /sys/kernel/debug/octeontx2/cpt.
cpt_pc: dump cpt performance HW registers.
Usage:
cat /sys/kernel/debug/octeontx2/cpt/cpt_pc
cpt_ae_sts: show cpt asymmetric engines current state
Usage:
cat /sys/kernel/debug/octeontx2/cpt/cpt_ae_sts
cpt_se_sts: show cpt symmetric engines current state
Usage:
cat /sys/kernel/debug/octeontx2/cpt/cpt_se_sts
cpt_engines_info: dump cpt engine control registers.
Usage:
cat /sys/kernel/debug/octeontx2/cpt/cpt_engines_info
cpt_lfs_info: dump cpt lfs control registers.
Usage:
cat /sys/kernel/debug/octeontx2/cpt/cpt_lfs_info
cpt_err_info: dump cpt error registers.
Usage:
cat /sys/kernel/debug/octeontx2/cpt/cpt_err_info
Signed-off-by: Suheil Chandran <schandran@marvell.com>
Signed-off-by: Srujana Challa <schalla@marvell.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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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 mailbox interface for CPT PFs and VFs to allocate resources
for cryptography. It also adds hardware CPT AF register defines.
Signed-off-by: Suheil Chandran <schandran@marvell.com>
Signed-off-by: Lukasz Bartosik <lbartosik@marvell.com>
Signed-off-by: Srujana Challa <schalla@marvell.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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On OcteonTX2 platform CPT instruction enqueue and NIX
packet send are only possible via LMTST operations which
uses LDEOR instruction. This patch moves lmt flush
function from OcteonTX2 nic driver to include/linux/soc
since it will be used by OcteonTX2 CPT and NIC driver for
LMTST.
Signed-off-by: Suheil Chandran <schandran@marvell.com>
Signed-off-by: Srujana Challa <schalla@marvell.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Performance analysis counters are maintained under the MLX4_EN_PERF_STAT
definition, which is never set.
Clean them up, with all related structures and logic.
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Link: https://lore.kernel.org/r/20201118103427.4314-1-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Convert netsec driver to xdp_return_frame_bulk APIs.
Rely on xdp_return_frame_rx_napi for XDP_TX in order to try to recycle
the page in the "in-irq" page_pool cache.
Co-developed-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://lore.kernel.org/r/01487b8f5167d62649339469cdd0c6d8df885902.1605605531.git.lorenzo@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Currently the control buffer descriptor (cbd) fields have endianness
restrictions while the commands passed into the control buffers
don't (with one exception). This patch fixes offending code,
by adding endianness accessors for cbd fields and removing the
unnecessary ones in case of data buffer fields. Currently there's
no need to convert all commands to little endian format, the patch
only focuses on fixing current endianness issues reported by sparse.
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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These particular fields are specified in the H/W reference
manual as having network byte order format, so enforce big
endian annotation for them and clear the related sparse
warnings in the process.
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When performing a flash update via devlink, device drivers may inform
user space of status updates via
devlink_flash_update_(begin|end|timeout|status)_notify functions.
It is expected that drivers do not send any status notifications unless
they send a begin and end message. If a driver sends a status
notification without sending the appropriate end notification upon
finishing (regardless of success or failure), the current implementation
of the devlink userspace program can get stuck endlessly waiting for the
end notification that will never come.
The current ice driver implementation may send such a status message
without the appropriate end notification in rare cases.
Fixing the ice driver is relatively simple: we just need to send the
begin_notify at the start of the function and always send an end_notify
no matter how the function exits.
Rather than assuming driver authors will always get this right in the
future, lets just fix the API so that it is not possible to get wrong.
Make devlink_flash_update_begin_notify and
devlink_flash_update_end_notify static, and call them in devlink.c core
code. Always send the begin_notify just before calling the driver's
flash_update routine. Always send the end_notify just after the routine
returns regardless of success or failure.
Doing this makes the status notification easier to use from the driver,
as it no longer needs to worry about catching failures and cleaning up
by calling devlink_flash_update_end_notify. It is now no longer possible
to do the wrong thing in this regard. We also save a couple of lines of
code in each driver.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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All drivers which implement the devlink flash update support, with the
exception of netdevsim, use either request_firmware or
request_firmware_direct to locate the firmware file. Rather than having
each driver do this separately as part of its .flash_update
implementation, perform the request_firmware within net/core/devlink.c
Replace the file_name parameter in the struct devlink_flash_update_params
with a pointer to the fw object.
Use request_firmware rather than request_firmware_direct. Although most
Linux distributions today do not have the fallback mechanism
implemented, only about half the drivers used the _direct request, as
compared to the generic request_firmware. In the event that
a distribution does support the fallback mechanism, the devlink flash
update ought to be able to use it to provide the firmware contents. For
distributions which do not support the fallback userspace mechanism,
there should be essentially no difference between request_firmware and
request_firmware_direct.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Acked-by: Shannon Nelson <snelson@pensando.io>
Acked-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Networking fixes for 5.10-rc5, including fixes from the WiFi
(mac80211), can and bpf (including the strncpy_from_user fix).
Current release - regressions:
- mac80211: fix memory leak of filtered powersave frames
- mac80211: free sta in sta_info_insert_finish() on errors to avoid
sleeping in atomic context
- netlabel: fix an uninitialized variable warning added in -rc4
Previous release - regressions:
- vsock: forward all packets to the host when no H2G is registered,
un-breaking AWS Nitro Enclaves
- net: Exempt multicast addresses from five-second neighbor lifetime
requirement, decreasing the chances neighbor tables fill up
- net/tls: fix corrupted data in recvmsg
- qed: fix ILT configuration of SRC block
- can: m_can: process interrupt only when not runtime suspended
Previous release - always broken:
- page_frag: Recover from memory pressure by not recycling pages
allocating from the reserves
- strncpy_from_user: Mask out bytes after NUL terminator
- ip_tunnels: Set tunnel option flag only when tunnel metadata is
present, always setting it confuses Open vSwitch
- bpf, sockmap:
- Fix partial copy_page_to_iter so progress can still be made
- Fix socket memory accounting and obeying SO_RCVBUF
- net: Have netpoll bring-up DSA management interface
- net: bridge: add missing counters to ndo_get_stats64 callback
- tcp: brr: only postpone PROBE_RTT if RTT is < current min_rtt
- enetc: Workaround MDIO register access HW bug
- net/ncsi: move netlink family registration to a subsystem init,
instead of tying it to driver probe
- net: ftgmac100: unregister NC-SI when removing driver to avoid
crash
- lan743x:
- prevent interrupt storm on open
- fix freeing skbs in the wrong context
- net/mlx5e: Fix socket refcount leak on kTLS RX resync
- net: dsa: mv88e6xxx: Avoid VLAN database corruption on 6097
- fix 21 unset return codes and other mistakes on error paths, mostly
detected by the Hulk Robot"
* tag 'net-5.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (115 commits)
fail_function: Remove a redundant mutex unlock
selftest/bpf: Test bpf_probe_read_user_str() strips trailing bytes after NUL
lib/strncpy_from_user.c: Mask out bytes after NUL terminator.
net/smc: fix direct access to ib_gid_addr->ndev in smc_ib_determine_gid()
net/smc: fix matching of existing link groups
ipv6: Remove dependency of ipv6_frag_thdr_truncated on ipv6 module
libbpf: Fix VERSIONED_SYM_COUNT number parsing
net/mlx4_core: Fix init_hca fields offset
atm: nicstar: Unmap DMA on send error
page_frag: Recover from memory pressure
net: dsa: mv88e6xxx: Wait for EEPROM done after HW reset
mlxsw: core: Use variable timeout for EMAD retries
mlxsw: Fix firmware flashing
net: Have netpoll bring-up DSA management interface
atl1e: fix error return code in atl1e_probe()
atl1c: fix error return code in atl1c_probe()
ah6: fix error return code in ah6_input()
net: usb: qmi_wwan: Set DTR quirk for MR400
can: m_can: process interrupt only when not runtime suspended
can: flexcan: flexcan_chip_start(): fix erroneous flexcan_transceiver_enable() during bus-off recovery
...
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Pull rdma fixes from Jason Gunthorpe:
"The last two weeks have been quiet here, just the usual smattering of
long standing bug fixes.
A collection of error case bug fixes:
- Improper nesting of spinlock types in cm
- Missing error codes and kfree()
- Ensure dma_virt_ops users have the right kconfig symbols to work
properly
- Compilation failure of tools/testing"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
tools/testing/scatterlist: Fix test to compile and run
IB/hfi1: Fix error return code in hfi1_init_dd()
RMDA/sw: Don't allow drivers using dma_virt_ops on highmem configs
RDMA/pvrdma: Fix missing kfree() in pvrdma_register_device()
RDMA/cm: Make the local_id_table xarray non-irq
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These fix recent regression in the APEI code and initialization issue
in the ACPI fan driver.
Specifics:
- Make the APEI code avoid attempts to obtain logical addresses for
registers located in the I/O address space to fix initialization
issues (Aili Yao)
- Fix sysfs attribute initialization in the ACPI fan driver (Guenter
Roeck)"
* tag 'acpi-5.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI, APEI, Fix error return value in apei_map_generic_address()
ACPI: fan: Initialize performance state sysfs attribute
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix two issues in ARM cpufreq drivers and one cpuidle driver
issue.
Specifics:
- Add missing RCU_NONIDLE() annotations to the Tegra cpuidle driver
(Dmitry Osipenko)
- Fix boot frequency computation in the tegra186 cpufreq driver (Jon
Hunter)
- Make the SCMI cpufreq driver register a dummy clock provider to
avoid OPP addition failures (Sudeep Holla)"
* tag 'pm-5.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: scmi: Fix OPP addition failure with a dummy clock provider
cpufreq: tegra186: Fix get frequency callback
cpuidle: tegra: Annotate tegra_pm_set_cpu_in_lp2() with RCU_NONIDLE
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"This is a relatively large set of fixes, the bulk of it being a series
from Lukas Wunner which fixes confusion with the lifetime of driver
data allocated along with the SPI controller structure that's been
created as part of the conversion to devm APIs.
The simplest fix, explained in detail in Lukas' commit message, is to
move to a devm_ function for allocation of the controller and hence
driver data in order to push the free of that after anything tries to
reference the driver data in the remove path. This results in a
relatively large diff due to the addition of a new function but isn't
particularly complex.
There's also a fix from Sven van Asbroeck which fixes yet more fallout
from the conflicts between the various different places one can
configure the polarity of GPIOs in modern systems.
Otherwise everything is fairly small and driver specific"
* tag 'spi-fix-v5.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: npcm-fiu: Don't leak SPI master in probe error path
spi: dw: Set transfer handler before unmasking the IRQs
spi: cadence-quadspi: Fix error return code in cqspi_probe
spi: bcm2835aux: Restore err assignment in bcm2835aux_spi_probe
spi: lpspi: Fix use-after-free on unbind
spi: bcm-qspi: Fix use-after-free on unbind
spi: bcm2835aux: Fix use-after-free on unbind
spi: bcm2835: Fix use-after-free on unbind
spi: Introduce device-managed SPI controller allocation
spi: fsi: Fix transfer returning without finalizing message
spi: fix client driver breakages when using GPIO descriptors
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"Mostly core fixes here, one set from Michał Mirosław which cleans up
some issues introduced as part of the coupled regulators work, one
memory leak during probe and two due to regulators which have an input
supply name and regulator name which are identical, which is very
unusual.
There's also a fix for our handling of the similarly unusual case
where we can't determine if a regulator is enabled during boot"
* tag 'regulator-fix-v5.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: ti-abb: Fix array out of bound read access on the first transition
regulator: workaround self-referent regulators
regulator: avoid resolve_supply() infinite recursion
regulator: fix memory leak with repeated set_machine_constraints()
regulator: pfuze100: limit pfuze-support-disable-sw to pfuze{100,200}
regulator: core: don't disable regulator if is_enabled return error.
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git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux
Pull thermal fix from Daniel Lezcano:
"Disable the CPU PM notifier for OMAP4430 for suspend in order to
prevent wrong temperature leading to a critical shutdown (Peter
Ujfalusi)"
* tag 'thermal-v5.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux:
thermal: ti-soc-thermal: Disable the CPU PM notifier for OMAP4430
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Avoid r8153_ecm is compiled as built-in, if r8152 driver is compiled
as modules. Otherwise, the r8153_ecm would be used, even though the
device is supported by r8152 driver.
Fixes: c1aedf015ebd ("net/usb/r8153_ecm: support ECM mode for RTL8153")
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Link: https://lore.kernel.org/r/1394712342-15778-394-Taiwan-albertk@realtek.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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* acpi-fan:
ACPI: fan: Initialize performance state sysfs attribute
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* pm-cpuidle:
cpuidle: tegra: Annotate tegra_pm_set_cpu_in_lp2() with RCU_NONIDLE
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git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2020-11-18
Jimmy Assarsson provides two patches for the kvaser_pciefd and kvaser_usb
drivers, where the can_bittiming_const are fixed.
The next patch is by me and fixes an erroneous flexcan_transceiver_enable()
during bus-off recovery in the flexcan driver.
Jarkko Nikula's patch for the m_can driver fixes the IRQ handler to only
process the interrupts if the device is not suspended.
* tag 'linux-can-fixes-for-5.10-20201118' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
can: m_can: process interrupt only when not runtime suspended
can: flexcan: flexcan_chip_start(): fix erroneous flexcan_transceiver_enable() during bus-off recovery
can: kvaser_usb: kvaser_usb_hydra: Fix KCAN bittiming limits
can: kvaser_pciefd: Fix KCAN bittiming limits
====================
Link: https://lore.kernel.org/r/20201118160414.2731659-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Slave function read the following capabilities from the wrong offset:
1. log_mc_entry_sz
2. fs_log_entry_sz
3. log_mc_hash_sz
Fix that by adjusting these capabilities offset to match firmware
layout.
Due to the wrong offset read, the following issues might occur:
1+2. Negative value reported at max_mcast_qp_attach.
3. Driver to init FW with multicast hash size of zero.
Fixes: a40ded604365 ("net/mlx4_core: Add masking for a few queries on HCA caps")
Signed-off-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Eran Ben Elisha <eranbe@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20201118081922.553-1-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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ENOTSUPP is not a SUSV4 error code, prefer EOPNOTSUPP.
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Bongsu Jeon <bongsu.jeon@samsung.com>
Link: https://lore.kernel.org/r/20201117081137epcms2p84b5dd8d84ca608f44b0bb722b48f50b1@epcms2p8
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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stucture should be replaced by structure.
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Bongsu Jeon <bongsu.jeon@samsung.com>
Link: https://lore.kernel.org/r/20201117080950epcms2p4d332688ce351321c3222734bca680b57@epcms2p4
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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max_payload is unused.
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Bongsu Jeon <bongsu.jeon@samsung.com>
Link: https://lore.kernel.org/r/20201117080824epcms2p36f70e06e2d8bd51d1af278b26ca65725@epcms2p3
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The link mode is a combination of port speed and port mode. But we
currently only consider the speed, and then typically select the
corresponding TP-based link mode. For 1G and 10G Fibre links this means
we display the wrong link modes.
Move the SPEED_* switch statements inside the PORT_* cases, and only
consider valid combinations where we can select the corresponding
link mode. Add the relevant link modes (1000baseX, 10000baseSR and
1000baseLR) that were introduced back with
commit 5711a9822144 ("net: ethtool: add support for 1000BaseX and missing 10G link modes").
To differentiate between 10000baseSR and 10000baseLR, use the detailed
media_type information that QUERY OAT provides.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Improve the initial link info with data obtained from QUERY OAT.
Doing so _only_ at initialization time avoids
1. dealing with multi-part replies, and
2. sifting through all the data that may get returned at runtime.
This allows us to determine the correct port type for the 1000BT variant
of recent OSA adapter generations (where the .card_type field in
QUERY CARD INFO is no longer sufficient).
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Remove the default case for PORT_* and SPEED_* in our ethtool code.
The only time these could be hit is if qeth_init_link_info() was unable
to determine the port type from an OSA adapter's link_type.
We already throw a message in this case, so reduce the noise and don't
report bad data (ie. it's much more likely that any future link_type
will represent a PORT_FIBRE link ...).
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Hard-code the minimal link info at initialization time, after we
obtained the link_type. qeth_get_link_ksettings() can still override
this with more accurate data from QUERY CARD INFO later on.
Don't set arbitrary defaults for unknown OSA link types, they
certainly won't match any future type.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Move all the HW reply data parsing into qeth_query_card_info_cb(), and
use common ethtool enums for transporting the information back to the
caller.
Also only look at the .port_speed field when we couldn't determine the
speed from the .card_type field, and introduce some 'default' cases for
SPEED_UNKNOWN, PORT_OTHER and DUPLEX_UNKNOWN.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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