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Many header files have been included, but never used. Those header
files have been removed.
Signed-off-by: Muhammad Usama Anjum <musamaanjum@gmail.com>
Link: https://lore.kernel.org/r/20210211143637.GA177425@LEGION
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Most of the files have been modified in 2020, so update the copyright
notices.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20201007101943.749898-6-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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There is no reason to place two spaces between the field tx_conf_payload
and its type.
In the same vein, remove duplicate empty lines between declarations.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200907101521.66082-29-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The maximum length of a SSID is defined by 802.11 specification. It is
already defined in mac80211: IEEE80211_MAX_SSID_LEN. Therefore, use this
generic definition.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200907101521.66082-27-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The union hif_indication_data is never used in the driver. So, it is not
necessary to declare it separately from hif_ind_generic.
In add, drop prefix 'indication_' from the names 'indication_type' and
'indication_data' since it is redundant with the name of the struct.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200907101521.66082-25-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The structs hif_capabilities, hif_otp_regul_sel_mode_info and
hif_otp_phy_info have no real reasons to exist. Drop them and simplify
access to fields of struct hif_ind_startup.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200907101521.66082-22-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The Secure Link (slk) feature allows to encrypt (and authenticate) the
traffic between the host and the device. The official implementation of
this feature relies on mbedTLS. For that reason, this implementation is
not included in the current driver. To be included, the implementation
has to rely on kernel crypto API instead of mbedTLS.
So, for now, the driver contained stub functions waiting for the new
implementation based on kernel crypto API.
This new implementation represent a bunch of work and it is unlikely to
be done in near future. Moreover, we strongly dislike to maintain
useless code. So, drop all the code related to secure link.
Whoever wants to implement secure link should revert this patch before
starting to work on it.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200907101521.66082-6-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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A new kind of error has appeared in API 3.4.
The Linux driver is not concerned by this new error, but let's keep the
API in sync with the firmware.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200907101521.66082-5-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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During the calibration of the RF amplifier, the device is able to provide
some data about the status of the amplifier.
Record these data and expose them in debugfs.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200526171821.934581-5-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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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 device raises error indications when it thinks there is a bug in the
driver and it can't recover it (while it raises exception when a bug is
detected in the device).
The current list of of errors was a bit dated.
This patch cleans up the list of errors and the associated message. It
is also the right time to clean up the way the error indications are
handled. Replace the switch..case with a clean loop over an array.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200427134031.323403-18-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Until now, the exception received from the chip was only displayed if
driver was compiled with DEBUG enabled. It was not very convenient to
help users. We prefer to show the exception unconditionally.
In add, this patch provides the semantic of the first bytes of the
struct.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200427134031.323403-17-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Hardware API headers were not uniformly aligned.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200406111756.154086-8-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The chip expects little endian in all structs it sends/receives. This
patch fixes the hif API to reflect this fact. Sparse should now report
meaningful errors.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200406111756.154086-7-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Several values defined in hif API are only here to define length of some
arrays. In most cases, they do not provide any extra information about
the size of the array (ie. "API_FIRMWARE_LABEL_SIZE" is only used to
define the size of member "firmware_label").
Remove these useless definitions.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200406111756.154086-6-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Until now, hif API was directly imported from firmware sources.
However, it does not make sense to keep ton of unused structures in
the driver. Moreover, the hif API is now stable enough to be keep in
sync by importing delta from firmware.
So, drop unused definitions from the hif API.
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200406111756.154086-5-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Replace uint8_t to u8, uint16_t to u16, uint32_t to u32
int8_t to s8,int16_t to s16 and int32_t to s32
As per recommendation of checkpatch tool.
Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
Link: https://lore.kernel.org/r/20191111133055.214410-1-jbi.octave@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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These files are shared with firmware sources. Only a subset of these
definitions are used by driver but, for now, it is easier to import all.
API defines 3 kinds of messages:
- Requests (req) are sent from host to chip
- Confirmations (cnf) are sent by chip and are always in reply to a
request
- Indications (ind) are spontaneous message from chip to host
One request normally generate one confirmation. There are a few
exceptions to this rule:
- "shutdown" request is not acknowledged
- multiple tx request can be acknowledged a unique "multi-tx"
confirmation
In add, API defines MIB. They are sub-structures for write_mib and
read_mib API.
Note that all numbers in API have to be little endian when sent/received
from/to chip (I didn't declared them with __le32 because driver also use
them internally).
Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20190919142527.31797-7-Jerome.Pouiller@silabs.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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