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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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It does not make much sense to keep the current virtual wiphy implementation
any longer - it adds significant complexity, has very few users and is still
very experimental. At some point in time, it will be replaced by a proper
implementation in mac80211.
By making the code easier to read and maintain, removing virtual wiphy support
helps with fixing the remaining driver issues and adding further improvements.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Instead of spreading ath_wake_mac80211_queue() calls over multiple places
in the tx path that process the tx queue for completion, call it only
where the pending frames counter gets decremented, eliminating some
redundant checks.
To prevent queue draining from waking the queues prematurely (e.g. during
a hardware reset), reset the queue stop state when draining all queues,
as the caller in main.c will run ieee80211_wake_queues(hw) anyway.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/luca/wl12xx
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The commit 'ath9k: Add more information to debugfs xmit file.' added more
debug counters to ath9k and also added some lines of code to ath9k_hw.
Since ath9k_hw is also used by ath9k_htc, its code must not depend on ath9k
data structures. In this case it was not fatal, but it's still wrong, so
the code needs to be moved back to ath9k.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Cc: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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"mac80211 will properly assign sequence numbers to QoS-data
frames but cannot do so correctly for non-QoS-data and
management frames because beacons need them from that counter
as well and mac80211 cannot guarantee proper sequencing."
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch syncs up the header files with
the project's main firmware carl9170fw.git.
Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Remove unused macros and cleanup buffer_type enumeration
Signed-off-by: Mohammed Shafi Shajakhan <mshajakhan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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For events that include only the local struct as
their parameter, we can use DECLARE_EVENT_CLASS
and save quite some binary size across segments
as well lines of code.
text data bss dec hex filename
375745 19296 916 395957 60ab5 mac80211.ko.before
367473 17888 916 386277 5e4e5 mac80211.ko.after
-8272 -1408 0 -9680 -25d0 delta
Some more tracepoints with identical arguments
could be combined like this but for now this is
the one that benefits most.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-2.6
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Remove useless test_bit - it's not going to happen because of the way this
function is called only when that bit is set.
And fix some whitespace.
Signed-off-by: Bruno Randolf <br1@einfach.org>
Acked-by: Bob Copeland <me@bobcopeland.com>
Acked-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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We need to read and backup AR_WA register value permanently and reading
this after the chip is awakened results in this register being zeroed out.
This seems to fix the ASPM with L1 enabled issue that we have observed.
The laptop becomes very slow and hangs mostly with ASPM L1 enabled without
this fix.
Cc: Stable Kernel <stable@kernel.org>
Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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There are few places where we are checking for macversion and revsions
before RTC is powered ON. However we are reading the macversion and
revisions only after RTC is powered ON and so both macversion and
revisions are actully zero and this leads to incorrect srev checks
Incorrect srev checks can cause registers to be configured wrongly and can
cause unexpected behavior. Fixing this seems to address the ASPM issue that
we have observed. The laptop becomes very slow and hangs mostly with ASPM L1
enabled without this fix.
fix this by reading the macversion and revisisons even before we start
using them. There is no reason why should we delay reading this info
until RTC is powered on as this is just a register information.
Cc: Stable Kernel <stable@kernel.org>
Signed-off-by: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The auto-arp feature sometimes has unexpected side effects (e.g. firmware
crashes, no ARP replies, etc.)
disable it until it will be solved.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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The passive scan channel dwell time currently used is 30-60TU. A typical
beacon interval for AP's is 100TU. This leads to a ~30% worst-case probability
of finding an AP via passive scanning.
For 5GHz bands for DFS frequencies passive scanning is the only scanning
option. Hence for these, the probability of finding an AP is very low.
To fix this, increase the passive channel scan dwell times (also the early
leave value, as 5GHz channels are still typically very silent.) Use a value
of 100TU, because that covers most typical AP configurations.
Based on testing the probability of finding an AP (100TU beacon interval) on
a single scan round are as follows (based on 100 iterations):
dwell min/max (TU) | probability
---------------------+------------
30/60 | 35%
60/60 | 56%
80/80 | 77%
100/100 | 100%
Total scan times now and after the change:
Region | Before (s) | After (s)
-------+------------+----------
00 | 0.77 | 1.48
FI | 0.95 | 2.01
US | 0.91 | 1.76
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Return values were assigned to incorrect var / weren't assigned.
fix it, and defer mutex_lock after the sanity checks.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Add new ampdu_action ops to support receiver BA.
The BA initiator session management in FW independently.
Signed-off-by: Shahar Levi <shahar_levi@ti.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Add 80211n BA initiator session support wl1271 driver.
Include BA supported FW version auto detection mechanism.
BA initiator session management included in FW independently.
Signed-off-by: Shahar Levi <shahar_levi@ti.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Channel 14 is only supported in Japan (JP country code in regdb). The
FW limits tranmissions to CCK only on this channel.
Tested in both STA and AP modes to work correctly.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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In wl12xx cards AP-mode requires a separate FW file. Add this file to
the module info.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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PLT mode start/stop is controlled from userspace. When removing module, the
PLT mode state is however not checked, and not cleared. There is the possibility
of some unwanted state to left linger and there is even the possiblity of a
kernel crash if for instance IRQ work is running when the module is removed.
Fix this by stopping PLT mode on module removal, if still running.
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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pointed out by sparse warnings:
CHECK drivers/net/wireless/wl12xx/cmd.c
drivers/net/wireless/wl12xx/cmd.c:987:20: warning: incorrect type in assignment (different base types)
drivers/net/wireless/wl12xx/cmd.c:987:20: expected restricted __le16 [usertype] aging_period
drivers/net/wireless/wl12xx/cmd.c:987:20: got int
CHECK drivers/net/wireless/wl12xx/tx.c
drivers/net/wireless/wl12xx/tx.c:197:2: warning: cast from restricted __le16
drivers/net/wireless/wl12xx/tx.c:197:2: warning: cast from restricted __le16
drivers/net/wireless/wl12xx/tx.c:197:2: warning: cast from restricted __le16
CHECK drivers/net/wireless/wl12xx/acx.c
drivers/net/wireless/wl12xx/acx.c:816:23: warning: incorrect type in assignment (different base types)
drivers/net/wireless/wl12xx/acx.c:816:23: expected restricted __le32 [usertype] rate_policy_idx
drivers/net/wireless/wl12xx/acx.c:816:23: got unsigned char [unsigned] [usertype] idx
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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The wl12xx chips do the AMDPU aggregation work in the firmware, but it
supports a maximum of 8 frames per block. Configure the mac80211 hw
structure accordingly.
Signed-off-by: Luciano Coelho <coelho@ti.com>
Tested-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
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changed the visibility of the debug_level module parameter
in the filesystem to be readable and writable to the root user.
It is now accessible under /sys/module/wl12xx/parameters
removed the debug_level debugfs file that was created under
/sys/kernel/debug/...
Signed-off-by: Guy Eilam <guy@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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We were calling ieee80211_find_sta() and the sta returned by it
without locking the RCU, which is required by mac80211.
Fix this and reorganize slightly the area of the code where the sta is
used.
Reported-by: Jonathan DE CESCO <jonathanc@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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When 11a is not supported, we were modifying the global structure that
contains the bands supported by the driver. This causes problems when
having more one wl12xx device in the same system because they all use
the same global. This also causes problems when the wl12xx_sdio
module is removed and the wl12xx module remains.
Fix this problem by copying the band structure into the wl12xx
instance.
Reported-by: Arik Nemtsov <arik@wizery.com>
Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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wl12xx "rejoins" upon every BSS_CHANGED_BSSID notification.
However, there is no need to rejoin after disassociation, so just
filter out the case when the new bssid is 00:00:00:00:00:00.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Update maintainer's email address, webpage and align with renaming of
files.
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Indicate support for the NL80211_IFTYPE_AP interface mode to enable AP
mode operation.
Disable 11a when operating in AP-mode (unsupported for now).
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Try to read the MAC address from the on-disk NVS file.
A non-zero MAC address is required to add an AP interface.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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AP and STA modes use different firmwares.
Differentiate the firmware files by name and fetch the appropriate one
when add_interface is called by mac80211. The STA firmware is chosen for
PLT mode.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Encryption key configuration is different for AP/STA modes.
AP encryption keys are recorded when the BSS is not started. On BSS
start they are propagated to the AP (in wl1271_ap_init_hwenc).
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Record TX configuration settings in the "conf" member of our global
structure (struct wl1271) if conf_tx is called when the firmware is
not loaded.
Later on when the firmware is loaded, we apply the tx conf as part of
the init sequence.
Important for AP mode since conf_tx is called before add_interface
(where the firmware is initialized).
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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When in AP mode set appropriate HLID and rate policy for each skb.
Respond to supported-rates related changes in op_tx only when acting
as STA.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Allocate and free host link IDs (HLIDs) for each link. A per-STA
data structure keeps the HLID of each STA.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Do not configure a group address table in AP mode
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Separate configuration according to mode. AP has different rate
set configuration and no handling of idle-state.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Configure AP-specific beacon and probe response templates.
Start the AP when beaconing is enabled.
The wl1271_bss_info_changed() function has been split into AP/STA
specific handlers.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Change structures in a non-destructive manner. This means no
changes in size or location of existing members used by STA.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Set filters according to the mode of operation.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Split HW init sequence into AP/STA specific parts
The AP specific init sequence includes configuration of templates, rate
classes, power mode, etc. Also unmask AP specific events in the event mbox.
Separate the differences between AP and STA init into mode
specific functions called from wl1271_hw_init. The first is called after
radio configuration and the second after memory configuration.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Sometimes an event indicating station removal is not sent up by
firmware. We work around this by always indicating success in when
a wait for the event timeouts.
Temporary workaround until a FW fix is introduced.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Add commands to start/stop BSS, add/remove STA and configure encryption
keys. Split the encryption commands "set key" and "set default key" into
AP and STA specific versions.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Add STA-remove completion event. Unmask it during boot if operating in
AP-mode.
Ignore unrelated events in AP-mode.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Add AP max retries and rate policy configuration.
Rename STA rate policy configuration function.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Rate class configuration has been split up for AP and STA modes.
Template related configuration likewise separated.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Reviewed-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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Note that wl1271_write32() calls cpu_to_le32() by itself, so calling
wl1271_write32(addr, cpu_to_le32(val)) is in fact a bug on BE systems.
Fix the following sparse warnings:
drivers/net/wireless/wl12xx/cmd.c:662:16: warning: incorrect type in assignment (different base types)
drivers/net/wireless/wl12xx/cmd.c:662:16: expected unsigned short [unsigned] [addressable] [usertype] llc_type
drivers/net/wireless/wl12xx/cmd.c:662:16: got restricted __be16 [usertype] <noident>
drivers/net/wireless/wl12xx/cmd.c:674:17: warning: incorrect type in assignment (different base types)
drivers/net/wireless/wl12xx/cmd.c:674:17: expected unsigned int [unsigned] [addressable] [usertype] sender_ip
drivers/net/wireless/wl12xx/cmd.c:674:17: got restricted __be32 [usertype] ip_addr
drivers/net/wireless/wl12xx/rx.c:202:4: warning: incorrect type in argument 3 (different base types)
drivers/net/wireless/wl12xx/rx.c:202:4: expected unsigned int [unsigned] [usertype] val
drivers/net/wireless/wl12xx/rx.c:202:4: got restricted __le32 [usertype] <noident>
drivers/net/wireless/wl12xx/acx.c:1247:23: warning: incorrect type in assignment (different base types)
drivers/net/wireless/wl12xx/acx.c:1247:23: expected restricted __le32 [usertype] ht_capabilites
drivers/net/wireless/wl12xx/acx.c:1247:23: got unsigned long
drivers/net/wireless/wl12xx/acx.c:1250:24: warning: invalid assignment: |=
drivers/net/wireless/wl12xx/acx.c:1250:24: left side has type restricted __le32
drivers/net/wireless/wl12xx/acx.c:1250:24: right side has type unsigned long
drivers/net/wireless/wl12xx/acx.c:1253:24: warning: invalid assignment: |=
drivers/net/wireless/wl12xx/acx.c:1253:24: left side has type restricted __le32
drivers/net/wireless/wl12xx/acx.c:1253:24: right side has type unsigned long
drivers/net/wireless/wl12xx/acx.c:1256:24: warning: invalid assignment: |=
drivers/net/wireless/wl12xx/acx.c:1256:24: left side has type restricted __le32
drivers/net/wireless/wl12xx/acx.c:1256:24: right side has type unsigned long
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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