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git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
Second set of new device support, cleanups and features for IIO in the 5.8 cycle
Usual mixed back but with a few subsystem wide or device type
wide cleanups.
New device support
* adis16475
- New driver supporting adis16470, adis16475, adis16477, adis16465,
adis16467, adis16500, adis16505 and adis16507.
Includes some rework of the adis library to simplify using it
for this new driver.
* ak8974
- Add support for Alps hscdt008a. ID only. Related patches add support
for scale.
* atlas-sensor
- Add support for RTD-SM OEM temperature sensor.
* cm32181
- Add support for CM3218 including support for SMBUS alert via
ACPI resources.
* ltc2632
- Add support for ltc2634-12/10/8 DACS including handling per
device type numbers of channels.
Major Features
* cm32181
- ACPI bindings including parsing CPM0 and CPM1 custom ACPI tables.
Includes minor tidy ups and fixes.
* vcnl4000
- Add event support
- Add buffered data capture support
- Add control of sampling frequency
Cleanups and minor fixes.
* core
- Trivial rework of iio_device_alloc to use an early return and
improve readability.
- Precursors to addition of multiple buffer support. So far
minor refactoring.
* subsystem wide
- Use get_unaligned_be24 slightly improve readability over open
coding it.
* adis drivers
- Use iio_get_debugfs_dentry access function.
* bh1780, cm32181, cm3232, gp2ap02a00f, opt3001, st_uvis25, vl6180,
dmard06, kxsd9
- Drop use of of_match_ptr to allow ACPI based probing via PRP0001.
Part of clear out of this to avoid cut and paste into new drivers.
* ad5592r, ad5593r
- Fix typos
* ad5933
- Use managed interfaces to automate error handling and remove.
* ak8974
- Fix wrong number of 'real bits' for buffered data.
- Refactor to pull measurement code out as separate function.
bmp280
- Fix lack of clamp on range during data capture.
* at91-sama5d2_adc
- Handle unfinished conversions correctly.
- Allow use of triggers other than it's own.
- Reorganize buffer setup and tear down as part of long running
subsystem wide rework.
* ccs811
- Add DT binding docs and match table.
- Support external reset and wakeup pins.
* hid-sensors
- Reorganize buffer setup and tear down as part of long running
subsystem wide rework.
* ltr501
- Constify some structs.
* vcnl4000
- Fix an endian issue by using explicit byte swapped i2c accessors.
* tag 'iio-for-5.8b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (74 commits)
iio: light: ltr501: Constify structs
staging: iio: ad5933: attach life-cycle of kfifo buffer to parent device and use managed calls throughout
iio: bmp280: fix compensation of humidity
iio: light: cm32181: Fix integartion time typo
iio: light: cm32181: Add support for parsing CPM0 and CPM1 ACPI tables
iio: light: cm32181: Make lux_per_bit and lux_per_bit_base_it runtime settings
iio: light: cm32181: Use units of 1/100000th for calibscale and lux_per_bit
iio: light: cm32181: Change reg_init to use a bitmap of which registers to init
iio: light: cm32181: Handle CM3218 ACPI devices with 2 I2C resources
iio: light: cm32181: Clean up the probe function a bit
iio: light: cm32181: Add support for the CM3218
iio: light: cm32181: Add some extra register defines
iio: light: cm32181: Add support for ACPI enumeration
iio: light: cm32181: Switch to new style i2c-driver probe function
iio: hid-sensors: move triggered buffer setup into hid_sensor_setup_trigger
iio: vcnl4000: Add buffer support for VCNL4010/20.
iio: vcnl4000: Add sampling frequency support for VCNL4010/20.
iio: vcnl4000: Add event support for VCNL4010/20.
iio: vcnl4000: Factorize data reading and writing.
iio: vcnl4000: Fix i2c swapped word reading.
...
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When a station is removed, the driver check that all the Tx frames were
correctly sent. However, the station can be removed before all the Tx
frames were acknowledged and a false positive warning can be emitted.
The previous commit has added a trace when driver received an
acknowledge for a non-existent station. It appear that these events
are perfectly correlated and there is no leak.
Now, the subject is perfectly understood. Remove the warning. Just keep
a debug trace in case we have any doubt in the future.
In the past, the subject has already been discussed here:
https://lore.kernel.org/driverdev-devel/6287924.ghGFUMk3OD@pc-42/
Fixes: 4bbc6a3e7ad0 ("staging: wfx: make warning about pending frame less scary")
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200515083325.378539-20-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Some resources are associated to the outgoing of the stations. To avoid
any resource leaks. It is important to understand why an acknowledge is
not associated to any station.
Add a trace for that purpose.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200515083325.378539-19-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The function wfx_tx_flush() wait for there is no more queued frames in
hardware queue. Then, for the sanity, it checks that there is no more
pending frame on any AC queue.
However, there is a race here. It may happens that hardware queues are
empty, but the counters of the AC queues are not yet updated. So, it may
produce false-positive warning.
The easiest way to solve the problem is just to remove the sanity check.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200515083325.378539-18-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If AP did not start, the error was not reported to mac80211.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200515083325.378539-17-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Currently, when mac80211 want to disable beacon filtering, the driver
reset the filter table and disable the beacon filtering. Only the latter
action is required.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200515083325.378539-16-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When multiple vif are in use (= one access point and one station), and
when the channels are different, it is necessary to enable power save on
station.
The firmware check that steps are done in the correct order:
- AP can't start if PS is not enable on the station
- PS can't set on the station before the association has finished
(= before the call set_bss_params)
Obviously, in add, when one of the interface disappears, it is necessary to
restore the power save status.
wfx_update_pm() is able to set the correct PS configuration. But it has
to be called at the right time:
1. before hif_start(), but after the channel configuration is known
2. after hif_set_bss_params()
3. after hif_reset()
Therefore, the call to wfx_update_pm() from wfx_add_interface() is too
early to address 1.
The call after hif_set_bss_params() already exists.
For the symmetry, the call from wfx_remove_interface() (that handle 3.)
is also relocated.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200515083325.378539-15-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The device disallows to start a scan request between hif_join() and
hif_set_bss_params(). The driver is not protected against that. The
worst case happens when association is aborted and hif_set_bss_params()
never happens.
mac80211 would never ask for scan during the association process. So,
this patch just aborts the association in progress when scan is
requested.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200515083325.378539-14-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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wfx_stop_ap() and wfx_reset() do the same thing. Merge them.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200515083325.378539-13-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In fact, wfx_do_unjoin() resets the interface. This mechanism can be
used in more cases than just disassociating from a BSS. So, rename it to
reflect that fact.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200515083325.378539-12-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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wfx_tx_policy_put() use data from the skb. However, the call to
skb_pull() has just discarded them (even if the memory is in fact not
really discarded).
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200515083325.378539-11-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The function wfx_notify_buffered_tx() need to know if the frame was
associated to a station. This information is available in the Control
Buffer (CB) of the skb. However, when wfx_notify_buffered_tx() is
called, the CB is no more available. Thus, the caller has to take care
of this information.
wfx_notify_buffered_tx() is a specific case. All the other function are
called before the destruction of the CB. So, this patch align the API of
wfx_notify_buffered_tx() with the other functions. Call it before the CB
was destroyed and drop the extra argument 'has_sta'.
It is also the right time to rename it into wfx_tx_update_sta() (which
is closer to the behavior of the function).
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200515083325.378539-10-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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wfx_tx_confirm_cb() is a big function. A big part of its body aims to
fill the rates list. So, create a new function wfx_tx_fill_rates() and
make wfx_tx_confirm_cb() smaller.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200515083325.378539-9-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When wfx_flush() is called, the status of pending frames are reported to
mac80211 with random status. mac80211 probably won't interpret this
status in this case, but it is cleaner to return a correctly initialized
status.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200515083325.378539-8-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix indention of wfx_skb_dtor().
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200515083325.378539-7-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Before to start the scan request, the firmware signals (with a null
frame) to the AP it won't be able to receive data. This frame can be
long to send: up to 512TU. The current calculus of the scan timeout does
not take into account this delay.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200515083325.378539-5-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Until now, the driver did not always check if the allocations success.
The issue was discussed here:
https://lore.kernel.org/netdev/2026476.QLiXXEGFCf@pc-42/
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200515083325.378539-4-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Strings are allowed to exceed 80 columns but, in this case, the format
arguments should be placed on a new line. Apply this rule to the whole
code of the driver.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200515083325.378539-3-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The device does not answer to the command hif_shutdown. Therefore,
hif_shutdown() is a bit special. It bypasses some of work normally made
by wfx_cmd_send(). In particularly, it unlock hif_cmd.lock and
hif_cmd.key_renew_lock.
However, if the driver notice that the device is frozen, wfx_cmd_send()
stops to send data and doesn't lock the mutexes. Then, it produced a
warning when hif_shutdown() tried to unlock these mutexes.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200515083325.378539-2-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch is removing definition of CFLAGS in Makefile of vt6656 and
vt6655, as those are defining macros that are not used. This will remove
undef of one macro from vt6655/device_main.c, as it is only undef and it is
not used anywhere else, so it is safe to remove it.
Macros are removed from vt665x/Makefile and vt6655/device_main.c.
Signed-off-by: Matej Dujava <mdujava@kocurkovo.cz>
Link: https://lore.kernel.org/r/1589397351-24655-2-git-send-email-mdujava@kocurkovo.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Set Gamma Values and Register Values for the HSD20_IPS Panel
Signed-off-by: Oliver Graute <oliver.graute@kococonnector.com>
Link: https://lore.kernel.org/r/1589380299-21871-1-git-send-email-oliver.graute@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix checkpatch.pl check:
CHECK: No space is necessary after a cast
Signed-off-by: Xiangyang Zhang <xyz.sun.ok@gmail.com>
Link: https://lore.kernel.org/r/20200513130042.13185-1-xyz.sun.ok@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Coding style issue reported by checkpatch.pl
This patch clears the checkpatch.pl "Block comments should align
the * on each line" warning.
Also cleared /****** and blank line.
Signed-off-by: John Oldman <john.oldman@polehill.co.uk>
Link: https://lore.kernel.org/r/20200513125405.28242-1-john.oldman@polehill.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Drop the driver version of the line-coding request and use the protocol
definition directly as was originally intended instead.
This specifically avoids having the two versions of what is supposed to
be the same struct ever getting out of sync.
Note that this has in fact already happened once when the protocol
definition had its implicit padding removed while the driver struct
wasn't updated. The fact that we used the size of the then larger driver
struct when memcpying its content to the stack didn't exactly make
things better. A later addition of a flow-control field incidentally
made the structures match again.
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20200514070548.4423-1-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch fixes the ABI description file sysfs-bus-most.
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Link: https://lore.kernel.org/r/1589534465-7423-8-git-send-email-christian.gromm@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch makes use of the macro ATTRIBUTE_GROUPS to create the groups
instead of defining them manually.
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/1589534465-7423-7-git-send-email-christian.gromm@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch corrects the typo in the Kconfig file where it says
tranceiver instead of transceiver.
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/1589534465-7423-6-git-send-email-christian.gromm@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch replaces the functions dev_notice with dev_dbg to silence
the driver during normal operation.
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/1589534465-7423-5-git-send-email-christian.gromm@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch checks the number of endpoints reported by the USB
interface descriptor and throws an error if the number exceeds
MAX_NUM_ENDPOINTS.
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/1589534465-7423-4-git-send-email-christian.gromm@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch removes the reference to the driver API file for USB error
codes.
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/1589534465-7423-3-git-send-email-christian.gromm@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch removes the pr_*() functions and uses dev_*() instead.
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/1589534465-7423-2-git-send-email-christian.gromm@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In the start of the "vnt_rf_set_txpower" function the "power" variable
is set at most to VNT_RF_MAX_POWER (hex = 0x3f, dec = 63). Then, in the
switch statement there are four comparisons with the "power" variable
against AL7230_PWR_IDX_LEN (dec = 64), VT3226_PWR_IDX_LEN (dec = 64),
VT3342_PWR_IDX_LEN (dec = 64). Due to all the commented comparisons are
to check if the "power" variable is "greater than or equal" to 64, this
never happens. So, remove the logically dead code.
Also, remove all the defines that are no longer required.
Addresses-Coverity-ID: 1230228 ("Logically dead code")
Fixes: f53d9f12c51a ("staging: vt6656: rf.c additional power.")
Signed-off-by: Oscar Carter <oscar.carter@gmx.com>
Link: https://lore.kernel.org/r/20200510090950.7633-1-oscar.carter@gmx.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Missing empty line after variable declaration
Signed-off-by: Houssem KADI <kadi.houssem.eddine@gmail.com>
Link: https://lore.kernel.org/r/20200509180849.GA30426@houssem-MS-7808
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Now mac89211 is doing frame timing in rxtx these vendor adjustments need
to be removed.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Link: https://lore.kernel.org/r/034e445c-b245-52c4-c855-431b9783bcff@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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rsvtime is the time needed in firmware to process the received
frame time in firmware so they can be the same as vnt_get_rts_duration
or vnt_get_cts_duration where appropriate.
The rts_rrv_time are now all the same timing in vnt_rxtx_rts.
So vnt_get_rtscts_rsvtime_le and and vnt_get_frame_time are no longer
required.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Link: https://lore.kernel.org/r/4c0fe356-7e08-bf66-58b7-5ab683ba9536@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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split vnt_get_rtscts_duration_le into vnt_get_rts_duration and
vnt_get_cts_duration.
The duration's are all the same in vnt_rxtx_rts_g_head.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Link: https://lore.kernel.org/r/d2983161-7935-48ce-c0ca-a26ebafa3997@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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use the mac80211 ieee80211_ctstoself_duration for CTS to self frames.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Link: https://lore.kernel.org/r/f12b3d71-eb61-340b-e473-83509d9bc38a@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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ieee80211_generic_frame_duration is the mac80211 equivalent to
vnt_get_rsvtime use this to get our frame time.
There is a change where there is rrv_time_a and rrv_time_b
the frame duration is always the same so both are equal.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Link: https://lore.kernel.org/r/acff7fcc-0add-652b-7d07-22001b641257@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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use the mac80211 ieee80211_rts_duration for RTS frames.
Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
Link: https://lore.kernel.org/r/377a4cc3-cfe3-91aa-cf71-1063f311426a@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Currently channel is being sanity checked after it has been used as
an index into some arrays. Fix this by moving the sanity check of
channel before the arrays are indexed with it.
Addresses-Coverity: ("Negative array index read")
Fixes: 59ed0480b950 ("Staging: most: replace pr_*() functions by dev_*()")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20200507150652.52238-1-colin.king@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch adds the implementation of the PM functions resume and suspend.
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Link: https://lore.kernel.org/r/1588680892-9413-1-git-send-email-christian.gromm@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Update the TODO list associated to the wfx driver with the last
progresses.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200512150414.267198-18-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The field 'channel_number' from the structs hif_ind_rx and hif_req_start
is a __le32. Sparse complains this field is not always correctly
accessed:
drivers/staging/wfx/data_rx.c:95:55: warning: incorrect type in argument 1 (different base types)
drivers/staging/wfx/data_rx.c:95:55: expected int chan
drivers/staging/wfx/data_rx.c:95:55: got restricted __le16 const [usertype] channel_number
However, the value of channel_number cannot be greater than 14 (this
device only support 2.4Ghz band). So, we only have to access to the
least significant byte. It is finally easier to declare it as an array
of bytes and only access to the first one.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200512150414.267198-17-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The field 'num_tx_confs' from the struct hif_cnf_multi_transmit is a
__le32. Sparse complains this field is not always correctly accessed:
drivers/staging/wfx/hif_rx.c:82:9: warning: restricted __le32 degrades to integer
drivers/staging/wfx/hif_rx.c:87:29: warning: restricted __le32 degrades to integer
However, the value of num_tx_confs cannot be greater than 15. So, we
only have to access to the least significant byte. It is finally easier
to declare it as an array of bytes and only access to the first one.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200512150414.267198-16-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The field 'status' appears in most of structs returned by the hardware.
This field is encoded as little endian. Sparse complains this field is
not always correctly accessed:
drivers/staging/wfx/data_rx.c:53:16: warning: restricted __le32 degrades to integer
drivers/staging/wfx/data_rx.c:84:16: warning: restricted __le32 degrades to integer
drivers/staging/wfx/data_tx.c:526:24: warning: restricted __le32 degrades to integer
drivers/staging/wfx/data_tx.c:569:23: warning: restricted __le32 degrades to integer
drivers/staging/wfx/hif_rx.c:128:33: warning: restricted __le32 degrades to integer
drivers/staging/wfx/./traces.h:401:1: warning: restricted __le32 degrades to integer
drivers/staging/wfx/./traces.h:401:1: warning: restricted __le32 degrades to integer
In most of cases, this field is only compared with HIF_STATUS values.
Finally, it is more convenient to solve the problem by defining the
HIF_STATUS values directly in little endian.
It is also the right time to make some clean up in the HIF_STATUS names.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200512150414.267198-15-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Sparse complains about the accesses to the field 'len' from struct hif_msg:
drivers/staging/wfx/bh.c:88:32: warning: restricted __le16 degrades to integer
drivers/staging/wfx/bh.c:88:32: warning: restricted __le16 degrades to integer
drivers/staging/wfx/bh.c:93:32: warning: restricted __le16 degrades to integer
drivers/staging/wfx/bh.c:93:32: warning: cast to restricted __le16
drivers/staging/wfx/bh.c:93:32: warning: restricted __le16 degrades to integer
drivers/staging/wfx/bh.c:121:25: warning: incorrect type in argument 2 (different base types)
drivers/staging/wfx/bh.c:121:25: expected unsigned int len
drivers/staging/wfx/bh.c:121:25: got restricted __le16 [usertype] len
drivers/staging/wfx/hif_rx.c:27:22: warning: restricted __le16 degrades to integer
drivers/staging/wfx/hif_rx.c:347:39: warning: incorrect type in argument 7 (different base types)
drivers/staging/wfx/hif_rx.c:347:39: expected unsigned int [usertype] len
drivers/staging/wfx/hif_rx.c:347:39: got restricted __le16 const [usertype] len
drivers/staging/wfx/hif_rx.c:365:39: warning: incorrect type in argument 7 (different base types)
drivers/staging/wfx/hif_rx.c:365:39: expected unsigned int [usertype] len
drivers/staging/wfx/hif_rx.c:365:39: got restricted __le16 const [usertype] len
drivers/staging/wfx/./traces.h:195:1: warning: incorrect type in assignment (different base types)
drivers/staging/wfx/./traces.h:195:1: expected int msg_len
drivers/staging/wfx/./traces.h:195:1: got restricted __le16 const [usertype] len
drivers/staging/wfx/./traces.h:195:1: warning: incorrect type in assignment (different base types)
drivers/staging/wfx/./traces.h:195:1: expected int msg_len
drivers/staging/wfx/./traces.h:195:1: got restricted __le16 const [usertype] len
drivers/staging/wfx/debug.c:319:20: warning: restricted __le16 degrades to integer
drivers/staging/wfx/secure_link.c:85:27: warning: restricted __le16 degrades to integer
drivers/staging/wfx/secure_link.c:85:27: warning: restricted __le16 degrades to integer
Indeed, the attribute len is little-endian. We have to take to the
endianness when we access it.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200512150414.267198-14-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The struct hif_ind_startup is received from the hardware. So it is
declared as little endian. However, it is also stored in the main driver
structure and used on different places in the driver. Sparse complains
about that:
drivers/staging/wfx/data_tx.c:388:43: warning: restricted __le16 degrades to integer
drivers/staging/wfx/bh.c:199:9: warning: restricted __le16 degrades to integer
drivers/staging/wfx/bh.c:221:62: warning: restricted __le16 degrades to integer
In order to make Sparse happy and to keep access from the driver easy,
this patch declare hif_ind_startup with native endianness.
On reception of this struct, this patch takes care to do byte-swap and
keep Sparse happy.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200512150414.267198-13-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The field packet_id is not interpreted by the device. It is only used as
identifier for the device answer. So it is not necessary to declare it
little endian. It fixes some warnings raised by Sparse without
complexifying the code.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200512150414.267198-12-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The attribute indication_type is little-endian. We have to take to the
endianness when we access it.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200512150414.267198-11-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The attribute event_id is little-endian. We have to take to the
endianness when we access it.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200512150414.267198-10-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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