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We already need to zero out memory for dma_alloc_coherent(), as such
using dma_zalloc_coherent() is superflous. Phase it out.
This change was generated with the following Coccinelle SmPL patch:
@ replace_dma_zalloc_coherent @
expression dev, size, data, handle, flags;
@@
-dma_zalloc_coherent(dev, size, handle, flags)
+dma_alloc_coherent(dev, size, handle, flags)
Suggested-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
[hch: re-ran the script on the latest tree]
Signed-off-by: Christoph Hellwig <hch@lst.de>
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Fixes gcc '-Wunused-but-set-variable' warning:
drivers/net/wireless/ath/wil6210/main.c: In function '_wil6210_disconnect':
drivers/net/wireless/ath/wil6210/main.c:407:23: warning:
variable 'wdev' set but not used [-Wunused-but-set-variable]
It never used since commit ("e1b43407c034 wil6210: refactor disconnect flow")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.
Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Switch from spin_lock to spin_lock_irqsave, because
wmi_ev_lock is used inside interrupt handler.
Signed-off-by: Lior David <liord@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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After being associated with some EDMA rx traffic, upon "down" driver
doesn't free all skbs in the rx ring.
Modify wil_move_all_rx_buff_to_free_list to loop on active list of rx
buffers, unmap the physical memory and free the skb.
Signed-off-by: Ahmad Masri <amasri@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Rx buffers in EDMA mode are initialized to 4 bytes aligned size.
Remove the unnecessary alignment code applied on rx buffer size.
Signed-off-by: Ahmad Masri <amasri@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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RGF_CAF_ICR register location has changed in Talyn-MB.
Add RGF_CAF_ICR_TALYN_MB to support the new address.
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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L2 RX status errors should not be treated as a bitmap and the actual
error values should be checked.
Print L2 errors as wil_err_ratelimited for easier debugging
when such errors occurs.
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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All wil6210 device memory access should be 4 bytes aligned. In io
blob wil6210 did not force alignment for read function, this caused
alignment fault on some platforms.
Fixing that by accessing all 4 lower bytes and return to host the
requested data.
Signed-off-by: Ahmad Masri <amasri@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Initialize unset variable, and verify that mid is valid.
Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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wil6210 used to notify cfg80211_del_sta on every fw disconnect event.
In disable_ap_sme mode the userspace manages the protocol SME and
FW sends disconnect event only due to link loss.
In disable_ap_sme mode, indicate CQM packet loss to let the host
control the connection and disconnect the link if needed.
Signed-off-by: Ahmad Masri <amasri@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Separate sending command to the fw from the event handling function to
simplify the disconnect flow and track the from_event flag correctly.
Signed-off-by: Ahmad Masri <amasri@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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A successful call to wil_tx_ring takes skb reference so
it will only be freed in wil_tx_complete. Consume the skb
in wil_find_tx_bcast_2 to prevent memory leak.
Signed-off-by: Lior David <liord@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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AP configuration is stored by the driver. Upon FW error, disconnect
notification is sent to user space for any associated stations. AP is
then internally restarted with the stored configuration.
Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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When enlarging rx_ring_order module param, wil6210 fails to load
because there are not enough Rx buffers.
Fix this by enlarging number of Rx buffers at startup, if needed based
on rx_ring_order.
Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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In Talyn-MB, the 11ad throughput is higher and performance drops
may occur in the current RX configuration due to unavailability
of Rx buffers.
Increase the RX descriptor ring, RX status ring and number of RX
buffers to stabilize the performance in high throughput.
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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With current reset flow, Talyn sometimes get stuck causing PCIe
enumeration to fail. Fix this by removing some reset flow operations
that are not relevant for Talyn.
Setting bit 15 in RGF_HP_CTRL is WBE specific and is not in use for
all wil6210 devices.
For Sparrow, BIT_HPAL_PERST_FROM_PAD and BIT_CAR_PERST_RST were set
as a WA an HW issue.
Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Setting the same fake hash to all skbs prevents
distributing different flows to different CPU cores.
Signed-off-by: Hamad Kadmany <hkadmany@codeaurora.org>
Signed-off-by: Lior David <liord@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Use DEFINE_DEBUGFS_ATTRIBUTE rather than DEFINE_SIMPLE_ATTRIBUTE
for debugfs files.
Semantic patch information:
Rationale: DEFINE_SIMPLE_ATTRIBUTE + debugfs_create_file()
imposes some significant overhead as compared to
DEFINE_DEBUGFS_ATTRIBUTE + debugfs_create_file_unsafe().
Generated by: scripts/coccinelle/api/debugfs/debugfs_simple_attr.cocci
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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ath.git patches for 4.20. Major changes:
ath10k
* retrieve MAC address from system firmware if provided
* support extended board data download for dual-band QCA9984
* extended per sta tx statistics support via debugfs
* average ack rssi support for data frames
* speed up QCA6174 and QCA9377 firmware download using diag Copy Engine
* HTT High Latency mode support needed by SDIO and USB support
* get STA power save state via debugfs
ath9k
* add reset functionality for airtime station debugfs file
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git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
wireless-drivers-next patches for 4.20
First set of new features for 4.20. mt76 driver is going through major
refactoring and that's why there are so many mt76 patches. iwlwifi is
also under heavy development and smaller changes to other drivers.
Also wireless-drivers was merged to fix a conflict between the two trees.
Major changes:
ath10k
* limit available channels via DT ieee80211-freq-limit
wil6210
* add 802.11r Fast Roaming support for AP and station modes
* add support for channel 4
iwlwifi
* new FW API handling
* some improvements in the PCI recovery mechanism
* enable a new scanning feature;
* continued work on HE (mostly radiotap)
* TKIP implementation in new devices
* work continues for new 22560 hardware
mt76
* add support for Alfa AWUS036ACM
* lots of refactoring to make it easier to add new hardware support
* prepare for adding mt76x0e (pci-e variant) support
* add CONFIG_MT76x0E kconfig symbol
brcmfmac
* add support CYW89342 mini-PCIe device
* add 4-way handshake offload detection for FT-802.1X
* enable NL80211_EXT_FEATURE_CQM_RSSI_LIST
* fix for proper support of 160MHz bandwidth
rtl8xxxu
* add rtl8188ctv support
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixes gcc '-Wunused-but-set-variable' warning:
drivers/net/wireless/ath/wil6210/pm.c: In function 'wil_suspend_keep_radio_on':
drivers/net/wireless/ath/wil6210/pm.c:193:16: warning:
variable 'start' set but not used [-Wunused-but-set-variable]
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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The comparison of cid >= 0 is always true because cid is of type u8
(8 bits, unsigned).
Fix this by removing such comparison and updating the type of
variable cid to u8 in the caller function.
Addresses-Coverity-ID: 1473079 ("Unsigned compared against 0")
Fixes: b9010f105f21 ("wil6210: add FT roam support for AP and station")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Check rx_buff_mgmt is allocated before accessing its internal fields.
Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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This feature is needed for enterprise APs and clients to enable
fast roaming as defined in 802.11r between APs in the same ESS.
On AP side, this feature is supported only when disable_ap_sme
is enabled.
Signed-off-by: Ahmad Masri <amasri@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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RX SKBs are released in both wil6210 rmmod and RX handle.
As there is no lock to protect the buffers DMA unmap,
the SKB pointer in buff_arr is used to check if the buffer
memory was already released.
Setting wil->rx_buff_mgmt.buff_arr[buff_id].skb to NULL before the DMA
memory unmap will prevent duplicate unmapping of the same memory.
Move the buffer ID to the free list also in case the SKB is NULL.
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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In enhanced DMA ring 0 is used for RX ring, hence TX ring 0
is an unused element in ring_tx and ring2cid_tid arrays.
Initialize ring2cid_tid CID to WIL6210_MAX_CID to prevent a false
match of CID 0.
Go over the ring_tx and ring2cid_tid from wil_get_min_tx_ring_id
and on to prevent access to index 0 in eDMA.
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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wil_addba_rx_request allocates the rx reorder buffer regardless
of use_rx_hw_reordering settings.
Fix this by checking wil->use_rx_hw_reordering before allocating
the reorder buffer.
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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use_rx_hw_reordering is already set to true in wil_set_capabilities
for Talyn-MB devices. Remove its setting from wil_priv_init to
prevent its activation for older chips.
Similarly, move the setting of use_compressed_rx_status to
wil_set_capabilities.
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Delivering a looped-back multicast packet to network stack can cause
higher layer protocols to fail like for example IPv6 DAD.
In STA mode, upon receiving Rx multicast packet, check if the source
MAC address is equal to our own MAC address and if so drop the packet.
Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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wil6210 supports channels 1-3 of the 60GHz band.
New FW added support for channel 4. Add support for channel 4 also in
wil6210 driver.
Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Reset file is not used and may cause race conditions
with operational driver if used.
Signed-off-by: Karthick Gopalasubramanian <kargop@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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The current support in the 60GHz band is for channels 1-4.
Add support for channels 5 and 6.
This requires enlarging ieee80211_channel.center_freq from u16 to u32.
Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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HW requires Rx buffers to be 4 bytes aligned. Modify the driver to
meet this requirement.
Enable OFU rdy valid bug fix, to prevent hang in oful34_rx while
there is back-pressure from host during RX.
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Currently the driver doesn't support secured boot flow, hence
prevent FW download in case HW is configured for such a flow.
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Currently wil6210 ignores the channel field in the
cfg80211_mgmt_tx_params struct for wil_cfg80211_ops mgmt_tx operation
and sends all management frames on the serving channel.
Add support for off-channel transmission of management frames
(WIPHY_FLAG_OFFCHAN_TX) in AP mode. This is useful in enterprise APs
for sending custom probe request frames.
Signed-off-by: Ahmad Masri <amasri@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Align to latest version of the auto generated wmi file
describing the interface with FW.
Signed-off-by: Ahmad Masri <amasri@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Single MSI is the current default configuration.
With multiple MSI interrupts configuration, Tx/Rx processing could
run in parallel on different CPU cores and allow better balance
between the cores.
Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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FW file name for Talyn device can be different from the default name.
In such a case use a corresponding board file name.
If such a board file is not present FW download procedure will fail.
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Firmware ready event may take longer than
current timeout in some scenarios, for example
with multiple RFs connected where each
requires an initial calibration.
Increase the timeout to support these scenarios.
Signed-off-by: Hamad Kadmany <hkadmany@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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FW can support BACK window size 64 for performance improvements.
A new FW capability is added for notifying the host on the increased
max BACK win size support.
Defining WIL_MAX_AGG_WSIZE_64 and WIL_MAX_AMPDU_SIZE_128 to be used
in this case.
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Scan is allowed only on client interfaces (STA/P2P).
Allow scan on AP interface so that the AP can discover rouge
or unauthorized neighbor APs.
Signed-off-by: Ahmad Masri <amasri@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Driver can request FW to report link statistics using
WMI_LINK_STATS_CMDID.
FW will report statistics with WMI_LINK_STATS_EVENTID.
Two categories of statistics defined: basic and global.
New "link_stats" debugfs is used for requesting basic statistics
report (write) and for reading the basic statistics (read).
"link_stats_global" debugfs is used for requesting and reading the
global statistics.
Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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With some tool chains compilation fails due to type
mismatch of the arguments passed to min().
Use min_t() to solve these compilation errors.
Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Extend MSI support to 3-MSI in order to load balance the tx\rx
interrupts between different cores.
use_msi module parameter has changed to n_msi. Usage:
- Set n_msi to 0 for using INTx
- Set n_msi to 1 for using single MSI
- Set n_msi to 3 for using 3-MSI
In 3-MSI configuration MSI 0 is used for TX interrupts, MSI 1
is used for RX interrupts and MSI 2 is used for MISC interrupts.
Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Align to latest version of the auto generated wmi file
describing the interface with FW.
Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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FW file name for Talyn device is different from the default name.
This patch searches for Talyn specific FW file name and fallback
to the default FW file in case it is not present.
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Currently the driver sets CHECKSUM_UNNECESSARY only in case the HW
doesn't report checksum error.
As ip_summed value is not initialized it is not clear what
the driver will report to the network stack in case of HW checksum
error or in case HW doesn't calculate checksum.
Initialize ip_summed to CHECKSUM_NONE to guarantee checksum
calculation by the network stack in the above cases.
Signed-off-by: Gidon Studinski <gidons@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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For negative temperatures, "temp" debugfs is showing wrong values.
Use signed types so proper calculations is done for sub zero
temperatures.
Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Collect statistics of TX latency. The latency is measured from the time
the HW gets aware of new SKB to transmit until the HW indicates tx
complete for this SKB.
The statistics are shown via new "tx_latency" debugfs.
Signed-off-by: Dedy Lansky <dlansky@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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