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path: root/drivers/net/wireless/wl12xx
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| | * wl12xx: initialize max_power levels for 11a channelsArik Nemtsov2011-07-05
| | | | | | | | | | | | | | | | | | | | | Set the maximum FW supported power levels for 11a channels. Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * wl12xx: implement cancel_hw_scan() callbackEliad Peller2011-07-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | After implementing cancel_hw_scan(), there is no more need to flush scan_complete_work on suspend. scan_complete_work enqueues a new scan_work, that might lead to the following warning (if the device was already suspended): WARNING: at drivers/mmc/core/core.c:169 mmc_wait_for_req+0x1ac/0x2c8() Backtrace: [<c004b50c>] (dump_backtrace+0x0/0x110) [<c04fda50>] (dump_stack+0x0/0x1c) [<c008f700>] (warn_slowpath_common+0x0/0x6c) [<c008f76c>] (warn_slowpath_null+0x0/0x2c) [<c034b058>] (mmc_wait_for_req+0x0/0x2c8) [<c034f804>] (mmc_io_rw_extended+0x0/0x1e4) [<c0350b5c>] (sdio_io_rw_ext_helper+0x0/0x1ac) [<c0350e00>] (sdio_memcpy_fromio+0x0/0x2c) [<bf194464>] (wl1271_sdio_raw_read+0x0/0x1bc [wl12xx_sdio]) [<bf15ac14>] (wl1271_cmd_wait_for_event_or_timeout+0x0/0x19c [wl12xx]) [<bf15adb0>] (wl1271_cmd_wait_for_event+0x0/0x30 [wl12xx]) [<bf15b7dc>] (wl1271_cmd_disconnect+0x0/0x14c [wl12xx]) [<bf158fd0>] (wl1271_unjoin+0x0/0x48 [wl12xx]) [<bf159070>] (wl1271_op_config+0x0/0x490 [wl12xx]) [<bf105084>] (ieee80211_hw_config+0x0/0x14c [mac80211]) [<bf113120>] (ieee80211_recalc_idle+0x0/0x4c [mac80211]) [<bf109a70>] (__ieee80211_scan_completed+0x0/0x1ac [mac80211]) [<bf109fd4>] (ieee80211_scan_work+0x0/0x484 [mac80211]) [<c00a197c>] (worker_thread+0x0/0x1e8) [<c00a5874>] (kthread+0x0/0x90) Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * wl12xx: add stop_scan commandEliad Peller2011-07-05
| | | | | | | | | | | | | | | | | | | | | define wl1271_scan_stop() to cancel an ongoing hw scan. Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * wl12xx: configure suspend/resume only if associated/startedEliad Peller2011-07-05
| | | | | | | | | | | | | | | | | | | | | | | | Configure the device (to wowlan) only if the sta/ap is associated/started. Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * wl12xx: one SDIO initialization is enoughOhad Ben-Cohen2011-07-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Skip manual device power on in case runtime PM is enabled for our device. This eliminates a secondary & redundant SDIO init sequence. Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * wl12xx: implement Tx watermarks per ACArik Nemtsov2011-07-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | Each AC is stopped when its queue is filled up to the high watermark, and restarted when its queue it lower than the low watermark. This ensures congested ACs are not able to starve other ACs. Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * wl12xx: Increase low & high TX watermarksIdo Yariv2011-07-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The current TX watermark settings cause the driver to stop queues too frequently. Among other things, this can have a negative impact on WMM prioritization, since mac80211 sorts pending packets by their ACs. Fix this by increasing the high watermark to 256 packets. Increase the low watermark to 32 to minimize periods with queues being stopped. Signed-off-by: Ido Yariv <ido@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * wl12xx: schedule TX packets according to FW occupancyArik Nemtsov2011-07-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When selecting packets for transmission, prefer the ACs that are least occupied in the FW. When packets for multiple ACs are present in the FW, it decides which to transmit according to WMM QoS parameters. With these changes, lower priority ACs should not be starved when higher priority traffic is present. Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * wl12xx: use 802.11 header location after relocation to frame startArik Nemtsov2011-07-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When operating with TKIP encryption, the function wl1271_tx_fill_hdr() relocates the 802.11 header to the start of the frame, and leaves room for the security header. Some functions in the Tx path rely on the location of the header, namely, for purposes of roaming in STA mode and connecting new stations in AP mode. Call these functions only after the header is relocated. Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * wl12xx: AP mode - support FW TX inactivity triggersArik Nemtsov2011-07-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | In AP mode we register for the MAX_TX_RETRY and INACTIVE_STA events. Both are reported to the upper layers as a TX failure in the offending stations. Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * wl12xx: fix Tx security sequence number handlingOz Krakowski2011-07-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Do not reset the security sequence number when issuing a join command or interface is removed. Instead, reset the counter only during the unjoin command. Added the notion of counter wrap-around to the LSB number in wl1271_tx_complete_packet. Added post recovery padding to adjust for potential security number progress during the recovery process by the firmware and avoid potential interop issues in encrypted networks. Signed-off-by: Oz Krakowski <ozk@ti.com> Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
* | | Merge branch 'master' of ↵John W. Linville2011-07-08
|\| | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
| * | Merge branch 'for-linville' of ↵John W. Linville2011-07-06
| |\| | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/luca/wl12xx
| | * wl12xx: Support routing FW logs to the hostIdo Yariv2011-06-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A recently added feature to the firmware enables the driver to retrieve firmware logs via the host bus (SDIO or SPI). There are two modes of operation: 1. On-demand: The FW collects its log in an internal ring buffer. This buffer can later be read, for example, upon recovery. 2. Continuous: The FW pushes the FW logs as special packets in the RX path. Reading the internal ring buffer does not involve the FW. Thus, as long as the HW is not in ELP, it should be possible to read the logs, even if the FW crashes. A sysfs binary file named "fwlog" was added to support this feature, letting a monitor process read the FW messages. The log is transferred from the FW only when available, so the reading process might block. Signed-off-by: Ido Yariv <ido@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * wl12xx: Avoid recovery while one is already in progressIdo Yariv2011-06-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | During recovery work commands sent to the FW could fail and schedule additional recovery work. Since the chip is going to be powered off, avoid recursive recoveries. Signed-off-by: Ido Yariv <ido@wizery.com> Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * wl12xx: Check for FW quirks as soon as the FW bootsIdo Yariv2011-06-27
| | | | | | | | | | | | | | | | | | | | | | | | The FW initialization might depend on the FW revision, so check for any FW quirks right after booting it. Signed-off-by: Ido Yariv <ido@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * wl12xx: use freezable workqueue for netstack_workEliad Peller2011-06-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When resuming (after wowlan), we want the rx packets (which is usually the wake-up packet itself) to be passed to mac80211 only after the resume notifier was completed, and mac80211 is up and running (otherwise, the packets will be dropped). By enqueueing the netstack_work to a freezable workqueue, we can guarantee the rx processing to occur only after mac80211 was resumed. Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Ido Yariv <ido@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * wl12xx: use _ni version of ieee80211_tx_statusEliad Peller2011-06-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | wl1271_flush_deferred_work(), which calls ieee80211_rx() and ieee80211_tx_status(), is called from a process context. hence, use ieee80211_tx_status_ni() instead of ieee80211_tx_status(). Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * wl12xx: check the vif's operstate after joinEliad Peller2011-06-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When resuming while connected (without wowlan), the interface is already IF_OPER_UP, so we won't get the notifier callback, and hence never complete the association (from wl12xx perspective) This situation, among other potential problems, prevents the station from entering psm. Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * wl12xx_sdio: enable wowlan only if enable_irq_wake() succeededEliad Peller2011-06-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | Some platforms don't support the wake_irq, so disable wowlan in this case, and avoid the "Unbalanced IRQ wake disable" warning on disable_irq_wake(). Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * wl12xx: enable/disable beacon filtering on ap suspend/resumeEliad Peller2011-06-27
| | | | | | | | | | | | | | | | | | | | | | | | Beacon filtering needs to be enabled so AP won't wake up by by every received beacon. Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * wl12xx: clear wl->wow_enabled on resumeEliad Peller2011-06-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We set wl->wow_enabled on every suspend(), so we need to clear it on every resume(). (we can't rely on setting wl->wow_enabled=false in suspend(), as it being called only when wowlan triggers are configured) Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * wl12xx: don't check wow param on suspend/resumeEliad Peller2011-06-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since mac80211 calls suspend/resume only when wowlan triggers exist, there is no need to check for triggers existance in the callbacks as well. Add a WARN_ON() to verify it. Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * wl12xx: Add Support for Low Power DRPw (LPD) ModeShahar Levi2011-06-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Low Power DRPw (LPD) mode contains several optimizations that designed to reduce power consumption. The purpose is to save current consumption in RX and Listen mode. LPD setting apply only for wl127x AP mode (not wl128x) Signed-off-by: Shahar Levi <shahar_levi@ti.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * wl12xx: don't bail if mmc isn't MMC_CAP_POWER_OFF_CARDOhad Ben-Cohen2011-06-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If our SDIO function has its runtime PM disabled, don't try to manipulate its runtime PM status at all. This way we can still power on cards plugged to mmc hosts that are not MMC_CAP_POWER_OFF_CARD. Reported-and-tested-by: Tim Yamin <tim@kangatronix.co.uk> Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * wl12xx: split channel array per band in sched_scanLuciano Coelho2011-06-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | The firmware, in practice, treats the channels in three separate blocks, one for each band (bg, a and j). Instead of using a single array and doing some magic with indices, split the array in 3 to make it more readable. Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * wl12xx: fix erroneous commit (cb5ae0)Eliad Peller2011-06-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | Due to rebase error, the patch for commit cb5ae0 ("wl12xx: configure rates when working in ibss mode") was wrong - a blob was added into the wrong function. fix it. Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * wl12xx: remove unused crc7 referencesEliad Peller2011-06-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | crc7 is used only in wl12xx_spi. Remove redundant crc7.h includes, and update Kconfig to select CRC7 only if WL12XX_SPI is being selected. Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * wl12xx: Enable beacon early termination in 2.4GHz band onlyShahar Levi2011-06-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Beacon early termination doesn't help much in the 5GHz band and masks channel switch IE Beacons. Thus, change the code to use BET only in 2.4GHz. [Reworded the commit log slightly -- Luca.] Signed-off-by: Shahar Levi <shahar_levi@ti.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * wl12xx: add rx_streaming debugfs entryEliad Peller2011-06-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Allow control over rx_streaming interval and operation mode (always/only on coex) via debugfs. e.g. echo 100 > /debug/ieee80211/phy0/wl12xx/rx_streaming/interval echo 1 > /debug/ieee80211/phy0/wl12xx/rx_streaming/always Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * wl12xx: add automatic rx streaming triggersEliad Peller2011-06-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When rx_streaming.interval is non-zero, use automatic rx streaming. Enable rx streaming on the each rx/tx packet, and disable it rx_streaming.duration msecs later. When rx_streaming.always=0 (default), rx streaming is enabled only when there is a coex operation. Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * wl12xx: add support for rx streamingEliad Peller2011-06-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | wl12xx supports the "rx streaming" feature: When in ps mode, and @timeout msecs have been passed since the last rx/tx, it issues trigger packets (QoS-null/PS-Poll packets, according to the ac type) in const intervals (in order to reduce the rx time). Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * net: wl12xx: remove unnecessary printsFelipe Balbi2011-06-27
| | | | | | | | | | | | | | | | | | | | | | | | Those have little value. Remove those to make the driver less noisy. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * net: wl12xx: remove the nopsFelipe Balbi2011-06-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | Nops aren't needed. When we actually need those calls, then we add them with meat and barbecue sauce. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * net: wl12xx: care for optional operationsFelipe Balbi2011-06-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | ->init and ->reset are optional - at least sdio.c doesn't implement them - so allow those pointers to be NULL. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * net: wl12xx: remove some unnecessary printsFelipe Balbi2011-06-27
| | | | | | | | | | | | | | | | | | | | | | | | Those have little value. Remove those to make the driver less noisy. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| | * net: wl12xx: sdio: id_tables should be __devinitconstFelipe Balbi2011-06-27
| | | | | | | | | | | | | | | | | | | | | | | | That's only needed during init anyway, let's free some space after we're done probing. Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
* | | Merge branch 'master' of ↵John W. Linville2011-06-30
|\| | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
| * | wl12xx: AP-mode - use mac80211 indication about STA WME supportArik Nemtsov2011-06-29
| |/ | | | | | | | | | | | | | | | | | | | | | | When adding a station, use the information given in the mac80211 populated ieee80211_sta structure to determine if it supports WME. Provide this information to the FW. This patch depends on "mac80211: propagate information about STA WME support down". Signed-off-by: Arik Nemtsov <arik@wizery.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | Merge branch 'master' of ↵John W. Linville2011-06-08
|\| | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem
| * wl12xx: Stop BA session event from deviceShahar Levi2011-06-07
| | | | | | | | | | | | | | | | Adding new event that close RX BA session in case of periodic BT activity limiting WLAN activity. Signed-off-by: Shahar Levi <shahar_levi@ti.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* | net: remove interrupt.h inclusion from netdevice.hAlexey Dobriyan2011-06-07
|/ | | | | | | | * remove interrupt.g inclusion from netdevice.h -- not needed * fixup fallout, add interrupt.h and hardirq.h back where needed. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* wl12xx: fix oops in sched_scan when forcing a passive scanLuciano Coelho2011-05-31
| | | | | | | | | | | | | | | | Fix kernel oops when trying to use passive scheduled scans. The reason was that in passive scans there are no SSIDs, so there was a NULL pointer dereference. To solve the problem, we now check the number of SSIDs provided in the sched_scan request and only access the list if there's one or more (ie. passive scan is not forced). We also force all the channels to be passive by adding the IEEE80211_CHAN_PASSIVE_SCAN flag locally before the checks in the wl1271_scan_get_sched_scan_channels() function. Signed-off-by: Luciano Coelho <coelho@ti.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* wl12xx: add separate config value for DFS dwell time on sched scanLuciano Coelho2011-05-31
| | | | | | | | | | | | | Use a different value for DFS dwell time when performing a scheduled scan. Previously we were using the same value as for normal passive scans. This adds some flexibility between these two different types of passive scan. For now we use 150 TUs for DFS channel dwell time. This may need to be fine-tuned in the future. Signed-off-by: Luciano Coelho <coelho@ti.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* wl12xx: fix DFS channels handling in scheduled scanLuciano Coelho2011-05-31
| | | | | | | | | | | | | DFS channels were never getting included in the scheduled scans, because they always contain the passive flag as well and the call was asking for DFS and active channels. Fix this by ignoring the passive flag when collecting DFS channels. Also, move the DFS channels in the channel list before the 5GHz active channels (this was implemented in the FW differently than specified). Signed-off-by: Luciano Coelho <coelho@ti.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* wl12xx: fix passive and radar channel generation for scheduled scanLuciano Coelho2011-05-31
| | | | | | | | | | We were comparing bitwise AND results with a boolean, so when the boolean was set to true, it was not matching as it should. Fix this by booleanizing the bitwise AND results with !!. Signed-off-by: Luciano Coelho <coelho@ti.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* wl12xx: fix compilation error when CONFIG_PM is not setLuciano Coelho2011-05-18
| | | | | | | | | | | | | | | | There was a compilation error when PM is not enabled: CC [M] drivers/net/wireless/wl12xx/main.o drivers/net/wireless/wl12xx/main.c:3653: error: unknown field 'suspend' specified in initializer drivers/net/wireless/wl12xx/main.c:3653: warning: initialization from incompatible pointer type drivers/net/wireless/wl12xx/main.c:3654: error: unknown field 'resume' specified in initializer drivers/net/wireless/wl12xx/main.c:3654: warning: initialization from incompatible pointer type Fix this by adding #ifdef's in the appropriate places. Cc: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'master' of ↵John W. Linville2011-05-16
|\ | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6 into for-davem Conflicts: drivers/net/wireless/iwlwifi/iwl-agn-tx.c net/mac80211/sta_info.h
| * wl12xx: enter/exit psm on wowlan suspend/resumeEliad Peller2011-05-13
| | | | | | | | | | | | | | | | | | | | | | When operating as station, enter psm before suspending the device into wowlan state. Add a new completion event to signal when psm was entered successfully. Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
| * wl12xx_sdio: declare support for NL80211_WOW_TRIGGER_ANYTHING triggerEliad Peller2011-05-13
| | | | | | | | | | | | | | | | | | Since wowlan requires the ability to stay awake while the host is suspended, declare support for NL80211_WOW_TRIGGER_ANYTHING if the MMC_PM_KEEP_POWER capability is being supported. Signed-off-by: Eliad Peller <eliad@wizery.com> Signed-off-by: Luciano Coelho <coelho@ti.com>
generated by cgit v1.2.2 (git 2.25.0) at 2025-04-13 09:32:51 -0400