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Register caching is improving bus access a lot because of the register
window bank setting. Previously, bank register was set for every
register access. Now with caching, it happens only when changing bank
which is very infrequent.
Signed-off-by: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com>
Link: https://lore.kernel.org/r/20240607081039.789079-1-inv.git-commit@tdk.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The driver calls spi_get_device_match_data() and on its failure calls
again parts of it: spi_get_device_id() and getting driver data. This is
entirely redundant, because it is part of spi_get_device_match_data().
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240606-spi-match-data-v1-8-320b291ee1fe@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Use spi_get_device_match_data() helper to simplify a bit the driver.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240606-spi-match-data-v1-7-320b291ee1fe@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Use spi_get_device_match_data() helper to simplify a bit the driver.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240606-spi-match-data-v1-6-320b291ee1fe@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Use spi_get_device_match_data() helper to simplify a bit the driver.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240606-spi-match-data-v1-5-320b291ee1fe@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Use spi_get_device_match_data() helper to simplify a bit the driver.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240606-spi-match-data-v1-4-320b291ee1fe@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Use spi_get_device_match_data() helper to simplify a bit the driver.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240606-spi-match-data-v1-3-320b291ee1fe@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Use spi_get_device_match_data() helper to simplify a bit the driver.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240606-spi-match-data-v1-2-320b291ee1fe@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Use spi_get_device_match_data() helper to simplify a bit the driver.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240606-spi-match-data-v1-1-320b291ee1fe@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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i2c_device_id::driver_data to 0
These drivers don't use the driver_data member of struct i2c_device_id,
so don't explicitly initialize this member.
This prepares putting driver_data in an anonymous union which requires
either no initialization or named designators. But it's also a nice
cleanup on its own.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240606155407.499344-1-u.kleine-koenig@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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This patch adds support for the integrated on-chip heater that is present
on all the devices supported by this driver (si7020, si7021, si7013, th6).
In order to configure the heater, the driver interacts with the following
device registers:
* User Register - the 2nd bit of this register is a "Heater Enable bit"
(0 means that the heater is off, 1 means that it's on).
* Heater Register - this register is present only on the si70xx devices
and controls the current flowing through the heater. The 4 lower bits
of this register can be assigned values from 0x0 to 0xF.
Signed-off-by: Antoni Pokusinski <apokusinski01@gmail.com>
Link: https://lore.kernel.org/r/20240607141029.51744-1-apokusinski@o2.pl
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/iio/adc/ingenic-adc.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/iio/adc/xilinx-ams.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/iio/buffer/kfifo_buf.o
Add the missing invocations of the MODULE_DESCRIPTION() macro.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20240607-md-drivers-iic-v1-1-9f9db6246083@quicinc.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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It is preferred to use sizeof(*pointer) instead of sizeof(type)
due to the type of the variable can change and one needs not
change the former (unlike the latter). At the same time refactor
the NULL comparison.
This patch has no effect on runtime behavior.
Signed-off-by: Erick Archer <erick.archer@outlook.com>
Link: https://lore.kernel.org/r/AS8PR02MB7237D024459C314CECE72EAF8BFE2@AS8PR02MB7237.eurprd02.prod.outlook.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The AXP192 is identical to the AXP20x, except for the addition of
two more GPIO ADC channels.
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Make use of iio_device_claim_direct_scoped() to make error handling more
natural and simplify code.
Co-developed-by: Caio Dantas Simão Ugêda <caiodantas@usp.br>
Signed-off-by: Caio Dantas Simão Ugêda <caiodantas@usp.br>
Signed-off-by: Gustavo Ueti Fukunaga <gustavofukunaga@usp.br>
Link: https://lore.kernel.org/r/20240527091942.53616-1-gustavofukunaga@usp.br
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Allow using the mount-matrix device tree property to align the
accelerometer relative to the whole device.
Signed-off-by: Val Packett <val@packett.cool>
Link: https://lore.kernel.org/r/20240527080043.2709-1-val@packett.cool
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Some callbacks from iio_info structure are accessed without any check, so
if a driver doesn't implement them trying to access the corresponding
sysfs entries produce a kernel oops such as:
[ 2203.527791] Unable to handle kernel NULL pointer dereference at virtual address 00000000 when execute
[...]
[ 2203.783416] Call trace:
[ 2203.783429] iio_read_channel_info_avail from dev_attr_show+0x18/0x48
[ 2203.789807] dev_attr_show from sysfs_kf_seq_show+0x90/0x120
[ 2203.794181] sysfs_kf_seq_show from seq_read_iter+0xd0/0x4e4
[ 2203.798555] seq_read_iter from vfs_read+0x238/0x2a0
[ 2203.802236] vfs_read from ksys_read+0xa4/0xd4
[ 2203.805385] ksys_read from ret_fast_syscall+0x0/0x54
[ 2203.809135] Exception stack(0xe0badfa8 to 0xe0badff0)
[ 2203.812880] dfa0: 00000003 b6f10f80 00000003 b6eab000 00020000 00000000
[ 2203.819746] dfc0: 00000003 b6f10f80 7ff00000 00000003 00000003 00000000 00020000 00000000
[ 2203.826619] dfe0: b6e1bc88 bed80958 b6e1bc94 b6e1bcb0
[ 2203.830363] Code: bad PC value
[ 2203.832695] ---[ end trace 0000000000000000 ]---
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Signed-off-by: Julien Stephan <jstephan@baylibre.com>
Link: https://lore.kernel.org/r/20240530-iio-core-fix-segfault-v3-1-8b7cd2a03773@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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For clarity move the link training parameters updated during link
training based on the pass/fail LT result under a substruct in intel_dp.
This prepares for later patches in this patchset adding similar params
here. Rename intel_dp_reset_max_link_params() to
intel_dp_reset_link_params() to better reflect what state gets reset.
v2: Add the parameters to a more generic link substruct. (Jani)
Cc: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240610164933.2947366-3-imre.deak@intel.com
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Symbols consisting of multiple (4) TU timeslots may get split across
MTPs when using 2 or 1 link lanes. Avoid this, as required by Bspec by
aligning the allocated TUs to 2 when using 2 lanes and 4 when using 1
lane.
Atm, we also have to align the PBNs used to allocate BW along the MST
path, since DRM core keeps track of its own TU value, derived from the
PBN and that TU value must match what the driver calculates.
On some platforms the alignment is only required on 8b/10b links, a
follow-up patch will remove the limitation for those.
Bspec: 49266, 68922
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240610164933.2947366-2-imre.deak@intel.com
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bluetooth and netfilter.
Slim pickings this time, probably a combination of summer, DevConf.cz,
and the end of first half of the year at corporations.
Current release - regressions:
- Revert "igc: fix a log entry using uninitialized netdev", it traded
lack of netdev name in a printk() for a crash
Previous releases - regressions:
- Bluetooth: L2CAP: fix rejecting L2CAP_CONN_PARAM_UPDATE_REQ
- geneve: fix incorrectly setting lengths of inner headers in the
skb, confusing the drivers and causing mangled packets
- sched: initialize noop_qdisc owner to avoid false-positive
recursion detection (recursing on CPU 0), which bubbles up to user
space as a sendmsg() error, while noop_qdisc should silently drop
- netdevsim: fix backwards compatibility in nsim_get_iflink()
Previous releases - always broken:
- netfilter: ipset: fix race between namespace cleanup and gc in the
list:set type"
* tag 'net-6.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (35 commits)
bnxt_en: Adjust logging of firmware messages in case of released token in __hwrm_send()
af_unix: Read with MSG_PEEK loops if the first unread byte is OOB
bnxt_en: Cap the size of HWRM_PORT_PHY_QCFG forwarded response
gve: Clear napi->skb before dev_kfree_skb_any()
ionic: fix use after netif_napi_del()
Revert "igc: fix a log entry using uninitialized netdev"
net: bridge: mst: fix suspicious rcu usage in br_mst_set_state
net: bridge: mst: pass vlan group directly to br_mst_vlan_set_state
net/ipv6: Fix the RT cache flush via sysctl using a previous delay
net: stmmac: replace priv->speed with the portTransmitRate from the tc-cbs parameters
gve: ignore nonrelevant GSO type bits when processing TSO headers
net: pse-pd: Use EOPNOTSUPP error code instead of ENOTSUPP
netfilter: Use flowlabel flow key when re-routing mangled packets
netfilter: ipset: Fix race between namespace cleanup and gc in the list:set type
netfilter: nft_inner: validate mandatory meta and payload
tcp: use signed arithmetic in tcp_rtx_probe0_timed_out()
mailmap: map Geliang's new email address
mptcp: pm: update add_addr counters after connect
mptcp: pm: inc RmAddr MIB counter once per RM_ADDR ID
mptcp: ensure snd_una is properly initialized on connect
...
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The Qualcomm PM8008 is an I2C-controlled PMIC containing seven LDO
regulators.
The driver is based on a driver submitted by Satya Priya, but it has
been cleaned up and reworked to match the new devicetree binding which
no longer describes each regulator as a separate device.
This avoids describing internal details like register offsets in the
devicetree and allows for extending the implementation with features
like over-current protection without having to update the binding.
Specifically note that the regulator interrupts are shared between all
regulators.
Note that the secondary regmap is looked up by name and that if the
driver ever needs to be generalised to support regulators provided by
the primary regmap (I2C address) such information could be added to the
device-id table.
This also fixes the original implementation, which looked up regulators
by 'regulator-name' property rather than devicetree node name and which
prevented the regulators from being named to match board schematics.
Link: https://lore.kernel.org/r/1655200111-18357-8-git-send-email-quic_c_skakit@quicinc.com
Cc: Satya Priya Kakitapalli <quic_skakitap@quicinc.com>
Cc: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20240608155526.12996-12-johan+linaro@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
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Rework the pm8008 driver to match the new devicetree binding which no
longer describes internal details like interrupts and register offsets
(including which of the two consecutive I2C addresses the registers
belong to).
Instead make the interrupt controller implementation internal and pass
interrupts to the subdrivers using MFD cell resources.
Note that subdrivers may either get their resources, like register block
offsets, from the parent MFD or this can be included in the subdrivers
directly.
In the current implementation, the temperature alarm driver is generic
enough to just get its base address and alarm interrupt from the parent
driver, which already uses this information to implement the interrupt
controller.
The regulator driver, however, needs additional information like parent
supplies and regulator characteristics so in that case it is easier to
just augment its table with the regulator register base addresses.
Similarly, the current GPIO driver already holds the number of pins and
that lookup table can therefore also be extended with register offsets.
Note that subdrivers can now access the two regmaps by name, even if the
primary regmap is registered last so that it is returned by default when
no name is provided in lookups.
Finally, note that the temperature alarm and GPIO subdrivers need some
minor rework before they can be used with non-SPMI devices like the
PM8008. The temperature alarm MFD cell name specifically uses a "qpnp"
rather than "spmi" prefix to prevent binding until the driver has been
updated.
Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20240608155526.12996-11-johan+linaro@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
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The i2c client driver data pointer has never been used so drop the
unnecessary assignment.
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20240608155526.12996-8-johan+linaro@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
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Drop the redundant "irq" suffix from the irq chip name.
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20240608155526.12996-7-johan+linaro@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
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Use lower case hex notation for consistency.
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20240608155526.12996-6-johan+linaro@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
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The regmap irq chip structures can be const so mark them as such.
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20240608155526.12996-5-johan+linaro@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
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Request and deassert any (optional) reset gpio during probe in case it
has been left asserted by the boot firmware.
Note the reset line is not asserted to avoid reverting to the default
I2C address in case the firmware has configured an alternate address.
Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20240608155526.12996-4-johan+linaro@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
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The regmap irq array is potentially shared between multiple PMICs and
should only contain static data.
Use a custom macro to initialise also the type fields and drop the
unnecessary updates on each probe.
Fixes: 6b149f3310a4 ("mfd: pm8008: Add driver for QCOM PM8008 PMIC")
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20240608155526.12996-3-johan+linaro@kernel.org
Signed-off-by: Lee Jones <lee@kernel.org>
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With ARCH=x86, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/video/backlight/platform_lcd.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/video/backlight/rt4831-backlight.o
Add the missing invocations of the MODULE_DESCRIPTION() macro.
Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Link: https://lore.kernel.org/r/20240612-md-drivers-video-backlight-v1-1-f4ca1beb36cc@quicinc.com
Signed-off-by: Lee Jones <lee@kernel.org>
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The devm_backlight_device_register() doesn't return NULL, it returns
error pointers. Update the error checking to match.
Fixes: b72755f5b577 ("backlight: Add new lm3509 backlight driver")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org>
Link: https://lore.kernel.org/r/187b5bc5-a010-46c2-8ead-980df9efae79@moroto.mountain
Signed-off-by: Lee Jones <lee@kernel.org>
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Use the device lifecycle managed add function. This helps prevent mistakes
like deleting out of order in cleanup functions and forgetting to delete
on error paths.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240610151721.189472-3-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
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This helps prevent mistakes like freeing out of order in cleanup functions
and forgetting to free on error paths.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240610151721.189472-2-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
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Use the device lifecycle managed allocation function. This helps prevent
mistakes like freeing out of order in cleanup functions and forgetting to
free on error paths.
Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240610151721.189472-1-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
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Check the pixel clock for the mode in atomic_check and ensure that
it is within the range supported by the bridge.
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
Reviewed-by: Aradhya Bhatia <a-bhatia1@ti.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240613083805.439337-4-j-choudhary@ti.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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Change exisitig enable() and disable() bridge hooks to their atomic
counterparts as the former hooks are deprecated.
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
Reviewed-by: Aradhya Bhatia <a-bhatia1@ti.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240613083805.439337-3-j-choudhary@ti.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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Currently, mode_valid is defined only in drm_connector_helper_funcs.
When the bridge is attached with the 'DRM_BRIDGE_ATTACH_NO_CONNECTOR'
flag, the connector is not initialized, and so is the mode_valid
hook under connector helper funcs.
It also returns MODE_OK for all modes without actually checking the
modes.
So move the mode_valid hook to drm_bridge_funcs with proper clock
checks for maximum and minimum pixel clock supported by the bridge.
Signed-off-by: Jayesh Choudhary <j-choudhary@ti.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Acked-by: Sui Jingfeng <sui.jingfeng@linux.dev>
Reviewed-by: Aradhya Bhatia <a-bhatia1@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240613083805.439337-2-j-choudhary@ti.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>
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ice_aqc_opc_download_pkg (0x0C40) AQ sporadically returns error due
to FW issue. Fix this by retrying five times before moving to
Safe Mode. Sleep for 20 ms before retrying. This was tested with the
4.40 firmware.
Fixes: c76488109616 ("ice: Implement Dynamic Device Personalization (DDP) download")
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Signed-off-by: Wojciech Drewek <wojciech.drewek@intel.com>
Reviewed-by: Brett Creeley <brett.creeley@amd.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Commit 24407a01e57c ("ice: Add 200G speed/phy type use") added support
for 200G PHY speeds, but did not include 200G link speed message
support. As a result the driver incorrectly reports Unknown for 200G
link speed.
Fix this by adding 200G support to ice_print_link_msg().
Fixes: 24407a01e57c ("ice: Add 200G speed/phy type use")
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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A bug in https://bugzilla.kernel.org/show_bug.cgi?id=218906 describes
that irdma would break and report hardware initialization failed after
suspend/resume with Intel E810 NIC (tested on 6.9.0-rc5).
The problem is caused due to the collision between the irq numbers
requested in irdma and the irq numbers requested in other drivers
after suspend/resume.
The irq numbers used by irdma are derived from ice's ice_pf->msix_entries
which stores mappings between MSI-X index and Linux interrupt number.
It's supposed to be cleaned up when suspend and rebuilt in resume but
it's not, causing irdma using the old irq numbers stored in the old
ice_pf->msix_entries to request_irq() when resume. And eventually
collide with other drivers.
This patch fixes this problem. On suspend, we call ice_deinit_rdma() to
clean up the ice_pf->msix_entries (and free the MSI-X vectors used by
irdma if we've dynamically allocated them). On resume, we call
ice_init_rdma() to rebuild the ice_pf->msix_entries (and allocate the
MSI-X vectors if we would like to dynamically allocate them).
Fixes: f9f5301e7e2d ("ice: Register auxiliary device to provide RDMA")
Tested-by: Cyrus Lien <cyrus.lien@canonical.com>
Signed-off-by: En-Wei Wu <en-wei.wu@canonical.com>
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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We changed these functions to returning negative error codes, but this
first error path was accidentally overlooked. It leads to a Smatch
warning:
drivers/platform/chrome/cros_ec_lpc.c:181 ec_response_timed_out()
error: uninitialized symbol 'data'.
Fix this by returning the error code instead of success.
Fixes: 68dbac0a58ef ("platform/chrome: cros_ec_lpc: MEC access can return error code")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Link: https://lore.kernel.org/r/e0b43fb5-ecc8-4fb4-9b76-c06dea8cc4c4@moroto.mountain
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
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__hwrm_send()
In case of token is released due to token->state == BNXT_HWRM_DEFERRED,
released token (set to NULL) is used in log messages. This issue is
expected to be prevented by HWRM_ERR_CODE_PF_UNAVAILABLE error code. But
this error code is returned by recent firmware. So some firmware may not
return it. This may lead to NULL pointer dereference.
Adjust this issue by adding token pointer check.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: 8fa4219dba8e ("bnxt_en: add dynamic debug support for HWRM messages")
Suggested-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: Aleksandr Mishin <amishin@t-argos.ru>
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Link: https://lore.kernel.org/r/20240611082547.12178-1-amishin@t-argos.ru
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Firmware interface 1.10.2.118 has increased the size of
HWRM_PORT_PHY_QCFG response beyond the maximum size that can be
forwarded. When the VF's link state is not the default auto state,
the PF will need to forward the response back to the VF to indicate
the forced state. This regression may cause the VF to fail to
initialize.
Fix it by capping the HWRM_PORT_PHY_QCFG response to the maximum
96 bytes. The SPEEDS2_SUPPORTED flag needs to be cleared because the
new speeds2 fields are beyond the legacy structure. Also modify
bnxt_hwrm_fwd_resp() to print a warning if the message size exceeds 96
bytes to make this failure more obvious.
Fixes: 84a911db8305 ("bnxt_en: Update firmware interface to 1.10.2.118")
Reviewed-by: Somnath Kotur <somnath.kotur@broadcom.com>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Link: https://lore.kernel.org/r/20240612231736.57823-1-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Within struct device_private, mark the async_driver * as const as it is
never modified. This requires some internal-to-the-driver-core
functions to also have their parameters marked as constant, and there is
one place where we cast _back_ from the const pointer to a real one, as
the driver core still wants to modify the structure in a number of
remaining places.
Cc: Rafael J. Wysocki <rafael@kernel.org>
Link: https://lore.kernel.org/r/20240611130103.3262749-12-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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driver_detach() does not modify the driver itself, so make the pointer
constant. In doing so, the function driver_allows_async_probing() also
needs to be changed so that the pointer type passes through to that
function properly.
Cc: Rafael J. Wysocki <rafael@kernel.org>
Link: https://lore.kernel.org/r/20240611130103.3262749-11-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Change device_release_driver_internal() to take a const struct
device_driver * as it is not modifying it at all.
Cc: Rafael J. Wysocki <rafael@kernel.org>
Link: https://lore.kernel.org/r/20240611130103.3262749-10-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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driver_add_groups() and driver_remove_groups should take a constant
pointer as the structure is not modified, so make the change.
Cc: Rafael J. Wysocki <rafael@kernel.org>
Link: https://lore.kernel.org/r/20240611130103.3262749-9-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix up a few places in the platform core code that can easily handle
struct device_driver being constant. This is part of the work to make
all struct device_driver pointers be constant.
Cc: Rafael J. Wysocki <rafael@kernel.org>
Link: https://lore.kernel.org/r/20240611130103.3262749-8-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In the quest to make struct device constant, start by making
to_auxiliary_drv() return a constant pointer so that drivers that call
this can be fixed up before the driver core changes.
As the return type previously was not constant, also fix up all callers
that were assuming that the pointer was not going to be a constant one
in order to not break the build.
Cc: Dave Ertman <david.m.ertman@intel.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: Rafael J. Wysocki <rafael@kernel.org>
Cc: Bingbu Cao <bingbu.cao@intel.com>
Cc: Tianshu Qiu <tian.shu.qiu@intel.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
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: Jesse Brandeburg <jesse.brandeburg@intel.com>
Cc: Tony Nguyen <anthony.l.nguyen@intel.com>
Cc: Saeed Mahameed <saeedm@nvidia.com>
Cc: Leon Romanovsky <leon@kernel.org>
Cc: Tariq Toukan <tariqt@nvidia.com>
Cc: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Cc: Bard Liao <yung-chuan.liao@linux.intel.com>
Cc: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Cc: Daniel Baluta <daniel.baluta@nxp.com>
Cc: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: linux-media@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: intel-wired-lan@lists.osuosl.org
Cc: linux-rdma@vger.kernel.org
Cc: sound-open-firmware@alsa-project.org
Cc: linux-sound@vger.kernel.org
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> # drivers/media/pci/intel/ipu6
Acked-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Martin Habets <habetsm.xilinx@gmail.com>
Link: https://lore.kernel.org/r/20240611130103.3262749-7-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Now that the driver core allows for struct class to be in read-only
memory, it is possible to make all 'class' structures be declared at
build time. Move the class to a 'static const' declaration and register
it rather than dynamically create it."
Cc: Vishal Verma <vishal.l.verma@intel.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: nvdimm@lists.linux.dev
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Link: https://lore.kernel.org/r/2024061041-grandkid-coherence-19b0@gregkh
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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gve_rx_free_skb incorrectly leaves napi->skb referencing an skb after it
is freed with dev_kfree_skb_any(). This can result in a subsequent call
to napi_get_frags returning a dangling pointer.
Fix this by clearing napi->skb before the skb is freed.
Fixes: 9b8dd5e5ea48 ("gve: DQO: Add RX path")
Cc: stable@vger.kernel.org
Reported-by: Shailend Chand <shailend@google.com>
Signed-off-by: Ziwei Xiao <ziweixiao@google.com>
Reviewed-by: Harshitha Ramamurthy <hramamurthy@google.com>
Reviewed-by: Shailend Chand <shailend@google.com>
Reviewed-by: Praveen Kaligineedi <pkaligineedi@google.com>
Link: https://lore.kernel.org/r/20240612001654.923887-1-ziweixiao@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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