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USB firmware added support for sending command response/event through
interrupt endpoint, to enhance RX throughput. Added corresponding changes
required to support this feature. This change takes care of backward
compatibility with older firmware.
Signed-off-by: Ganapathi Bhat <gbhat@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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For quite some time now brcmfmac supports 802.11ac chipsets and it's
not limited to embedded devices only. There are even standalone PCIe
cards based on BCM43602 or BCM4366.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Fix output from checkpatch.pl like:
Block comments use a trailing */ on a separate line
Signed-off-by: Marcin Rokicki <marcin.rokicki@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Fix output from checkpatch.pl like:
Symbolic permissions 'S_IRUSR' are not preferred.
Consider using octal permissions '0400'.
Signed-off-by: Marcin Rokicki <marcin.rokicki@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Fix output from checkpatch.pl like:
Block comments use a trailing */ on a separate lin
Signed-off-by: Marcin Rokicki <marcin.rokicki@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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This patch helps to fix TPC stats to display the stats
properly. Here cosmetic change has been done to print the
TPC stats for all the cases 1.CDD 2.STBC 3.TXBF
Signed-off-by: Maharaja Kennadyrajan <c_mkenna@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Remove obselete Copy Engine comments referring to the function
ath10k_ce_sendlist_send as this function was removed long time back
by the commit 2e761b5a5222 ("ath10k: remove ce_sendlist_send").
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Add an ath10k HTC debug message when insufficient tx credits
are available to send the WMI commands. This is very useful
in debugging issues like 'tx credit starvation' that could
possibly happen with multiclient setup with constant roaming
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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It seems set_coverage_class_work is not cancelled anywhere,
though I could not find a crash/warning with this existing
design, its safer to cancel it during stop() and also before
restarting the hardware.
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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If station advertises diffferent NSS capabilities in Rx_mcs set
of HT and VHT IEs in assoc req, the current NSS computation
logic configures the NSS support only based on Rx_mcs set of
HT capabilities in the driver. This is configuring the station
NSS capabilities incorreclty in the target.
For example, if station advertise Rx_mcs set as 2 spatial streams
in HT capabilities and 1 spatial streams in VHT capabilities in
assoc request, as per current logic we are calculating nss from
HT capabilities and the driver sets peer_num_spatial_streams as
2 for the station which is configured in VHT 1*1.
This patchs fix this issue by calculating the nss from VHT cap if
station supports vht.
Signed-off-by: Venkateswara Rao Naralasetty <c_vnaral@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Make sure to check the number of endpoints to avoid dereferencing a
NULL-pointer or accessing memory beyond the endpoint array should a
malicious device lack the expected endpoints.
Fixes: 36bcce430657 ("ath9k_htc: Handle storage devices")
Cc: stable <stable@vger.kernel.org> # 2.6.39+
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Move NAPI enable to 'ath10k_ahb_hif_start' from
'ath10k_ahb_hif_power_up'. This is to maintain the symmetry
of calling napi_enable() from ath10k_ahb_hif_start() so that it
matches with napi_disable() being called from ath10k_pci_hif_stop().
This change is based on the crash fix from Kalle for PCI interface in
commit 1427228d5869 ("ath10k: fix napi crash during rmmod when probe
firmware fails").
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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ath.git patches for 4.12. Major changes:
ath10k
* improve firmware download time for QCA6174 and QCA9377, especially
helps resume time
ath9k_htc
* add support AirTies 1eda:2315 AR9271 device
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Kalle Valo says:
====================
wireless-drivers fixes for 4.11
iwlwifi
* an RCU fix
* a fix for a potential out-of-bounds access crash
* a fix for IBSS which has been broken since DQA was enabled
rtlwifi
* fix scheduling while atomic regression
brcmfmac
* fix use-after-free bug found by KASAN
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for the net stats64 counters to the usbnet core. With that
in place put the hooks into every usbnet driver to use it.
This is a strait forward addition of 64bit counters for RX and TX packet
and byte counts. It is done in the same style as for the other net drivers
that support stats64. Note that the other stats fields remain as 32bit
sized values (error counts, etc).
The motivation to add this is that it is not particularly difficult to
get the RX and TX byte counts to wrap on 32bit platforms.
Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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These files all use functions declared in interrupt.h, but currently rely
on implicit inclusion of this file (via netns/xfrm.h).
That won't work anymore when the flow cache is removed so include that
header where needed.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A use-after-free was found using KASAN. In brcmf_p2p_del_if() the virtual
interface is removed using call to brcmf_remove_interface(). After that
the virtual interface instance has been freed and should not be referenced.
Solve this by storing the nl80211 iftype in local variable, which is used
in a couple of places anyway.
Cc: stable@vger.kernel.org # 4.10.x, 4.9.x
Reported-by: Daniel J Blueman <daniel@quora.org>
Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com>
Reviewed-by: Franky Lin <franky.lin@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Following commit cceb0a597320 ("rtlwifi: Add work queue for c2h cmd."),
the following BUG is reported when rtl8723be is used:
BUG: sleeping function called from invalid context at mm/slab.h:432
in_atomic(): 1, irqs_disabled(): 1, pid: 0, name: swapper/0
CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W O 4.11.0-rc3-wl+ #276
Hardware name: TOSHIBA TECRA A50-A/TECRA A50-A, BIOS Version 4.50 09/29/2014
Call Trace:
<IRQ>
dump_stack+0x63/0x89
___might_sleep+0xe9/0x130
__might_sleep+0x4a/0x90
kmem_cache_alloc_trace+0x19f/0x200
? rtl_c2hcmd_enqueue+0x3e/0x110 [rtlwifi]
rtl_c2hcmd_enqueue+0x3e/0x110 [rtlwifi]
rtl8723be_c2h_packet_handler+0xac/0xc0 [rtl8723be]
rtl8723be_rx_command_packet+0x37/0x5c [rtl8723be]
_rtl_pci_rx_interrupt+0x200/0x6b0 [rtl_pci]
_rtl_pci_interrupt+0x20c/0x5d0 [rtl_pci]
__handle_irq_event_percpu+0x3f/0x1d0
handle_irq_event_percpu+0x23/0x60
handle_irq_event+0x3c/0x60
handle_fasteoi_irq+0xa2/0x170
handle_irq+0x20/0x30
do_IRQ+0x48/0xd0
common_interrupt+0x89/0x89
...
Although commit cceb0a597320 converted most c2h commands to use a work
queue, the Bluetooth coexistence routines can be in atomic mode when
they execute such a call.
Fixes: cceb0a597320 ("rtlwifi: Add work queue for c2h cmd.")
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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This message just fills up dmesg and/or kernel logs and does
not provide any useful information.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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By moving these client drivers to use RPMSG instead of the direct SMD
API we can reuse them ontop of the newly added GLINK wire-protocol
support found in the 820 and 835 Qualcomm platforms.
As the new (RPMSG-based) and old SMD implementations are mutually
exclusive we have to change all client drivers in one commit, to make
sure we have a working system before and after this transition.
Acked-by: Andy Gross <andy.gross@linaro.org>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow working IBSS also when working in DQA mode.
This is done by setting it to treat the queues the
same as a BSS AP treats the queues.
Fixes: 7948b87308a4 ("iwlwifi: mvm: enable dynamic queue allocation mode")
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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This is a static analysis fix. The warning is:
drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c:912 iwl_mvm_fw_dbg_collect()
warn: integer overflows 'sizeof(*desc) + len'
I guess this code is supposed to take a NUL character, but if we write
zero bytes then it tries to write -1 characters and crashes.
Fixes: c91b865cb14d ("iwlwifi: mvm: support description for user triggered fw dbg collection")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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Access should be by rcu_dereference. Issue was found by sparse.
Fixes: 65e254821cee ("iwlwifi: mvm: use firmware station PM notification for AP_LINK_PS")
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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This patch fix some spelling typos found in printk.
[jkosina@suse.cz: drop arch/arm64/kernel/hibernate.c that was already
in place]
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Basic support for MT7620 built-in wireless radio was added to
OpenWrt in r41441. It has seen some heavy cleaning and refactoring
since in order to match the Kernel's code quality standards.
Signed-off-by: Roman Yeryomin <roman@advem.lv>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Make sure to check the number of endpoints to avoid dereferencing a
NULL-pointer or accessing memory beyond the endpoint array should a
malicious device lack the expected endpoints.
Fixes: a1030e92c150 ("[PATCH] zd1211rw: Convert installer CDROM device into WLAN device")
Cc: Daniel Drake <dsd@gentoo.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Some of the macros used to describe the TX_PWR_CFG_4 register accidentally
refer to TX_PWR_CFG_3, probably a copy&paste error. Fix that.
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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The check for rc < 0 is always false so the check is redundant
and can be removed.
Detected with CoverityScan, CID#101143 ("Logically dead code")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Create a new protocol interface function brcmf_proto_reset_if for core
module to notify protocol layer when interface role changes.
Signed-off-by: Franky Lin <franky.lin@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Create a new protocol interface function brcmf_proto_del_if for core
module to notify protocol layer upon interface deletion.
Signed-off-by: Franky Lin <franky.lin@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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fwsignal is only used by bcdc. Create a new protocol interface function
brcmf_proto_add_if for core module to notify protocol layer upon a new
interface is created.
Signed-off-by: Franky Lin <franky.lin@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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brcmf_txcomplete is invoked by sdio and usb bus module which are using
bcdc protocol. So move it from core module into bcdc layer.
Signed-off-by: Franky Lin <franky.lin@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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brcmf_txflowblock is invoked by sdio and usb bus module which are using
bcdc protocol. This patch makes it a bcdc API instead of a core module
function.
Reviewed-by: Arend Van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Franky Lin <franky.lin@broadcom.com>
Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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If a scan gets aborted BRCMF_SCAN_STATUS_BUSY gets cleared in
cfg->scan_status and when we receive an abort event from the firmware
the BRCMF_SCAN_STATUS_BUSY check in the cfg80211_escan_handler will
trigger resulting in multiple errors getting logged.
Check for a status of BRCMF_E_STATUS_ABORT and in this case simply
cleanly exit the cfg80211_escan_handler. This also avoids a
BRCMF_E_STATUS_ABORT event arriving after a new scan has been started
causing the new scan to complete prematurely without any data.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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The country code gets set to "00" by default at boot, ignore this
rather then logging an error about it.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Using pr_err for things which are not errors is a bad idea. E.g. it
will cause the plymouth bootsplash screen to drop back to the text
console so that the user can see the error, which is not what we
normally want to happen.
Instead add a new brcmf_info macro and use that.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Arend van Spriel <arend.vanspriel@broadcom.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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So far we were attaching BRCMF_E_PSM_WATCHDOG event listener in
brcmf_debug_attach which gets compiled only with CONFIG_BRCMDBG. This
event means something went wrong and firmware / hardware usually can't
be expected to work (reliably).
Such a problem is significant for user experience so I believe we should
print an error unconditionally (even with debugging disabled). What can
be indeed optional is dumping bus memory as this is clearly part of
debugging process.
In the future we may also try to extend this listener by trying to
recover from the error or at least signal it to the cfg80211.
Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Two additional preset responses are added to the reserved page on the
wifi device.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Changes in the drivers for RTL8723BE and RTL8821AE require corresponding
changes in the firmware. This new firmware has been accepted into the
Linux firmware repo. To handle the case where the kernel has been
updated before the firmware, the new versions have been given new names.
The code will attempt to read the new name, and fall back to the old one
if the new one is not available.
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Update PHY tables for the RTL8812AE. A new parser is also needed.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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There are new PHY table values for the RTL8821AE. The changes require
new parsing code.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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We observed a SHUTDOWN command timeout during reboot stress test due to
a corner case firmware bug. It can lead to either a use-after-free +
OOPS (on either the adapter structure, or the 'card' structure) or an
abort (where, e.g., the PCI device is "disabled" before we're done
dumping the FW).
We can avoid this by canceling/flushing the FW dump work:
(a) after we've terminated all other work queues (e.g., for processing
commands which could time out)
(b) after we've disabled all interrupts (which could also queue more
work for us)
(c) after we've unregistered the netdev and wiphy structures (and
implicitly, and debugfs entries which could manually trigger FW dumps)
(d) before we've actually disabled the device (e.g.,
pci_device_disable())
Altogether, this means no card->work will be scheduled if we sync at
a point that satisfies the above. This can be done at the beginning of
the .cleanup_if() callback.
Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Application triggers periodic background scans when device is connected.
We will scan less number of channels per scan command so that data
traffic won't get affected.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Using the accessor function e.g. get_unaligned_le32 instead of
le32_to_cpu to avoid the unaligned access. This is for the
architectures that don't handle the unaligned memory access
Signed-off-by: Devidas Puranik <devidas@marvell.com>
Signed-off-by: Ganapathi Bhat <gbhat@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Synopsys' ARCompact architecture does not support loading from or
storing values to unaligned memory locations. We saw a series of
misaligned access exceptions on ARC. To work around this issue, we bulk
replaced le16_to_cpu and le32_to_cpu with get_unaligned_le16 and
get_unaligned_le32, respectively. We also added le16_unaligned_add_cpu
which is similar to le16_add_cpu but works with unaligned values.
Signed-off-by: Daniel Mentz <danielmentz@google.com>
Signed-off-by: Ganapathi Bhat <gbhat@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Adding qualifier "__packed" indicates that no padding should be
performed on the qualified object for alignment.
This patch adds qualifier __packed to the required firmware
structures in mwifiex driver.
Signed-off-by: Karthik Ananthapadmanabha <karthida@marvell.com>
Signed-off-by: Ganapathi Bhat <gbhat@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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We shouldn't be printing a kernel pointer as a decimal integer. But we
really shouldn't be printing this case at all; we should never get here
with NULL drvdata. We've eliminated this unnecessary conditional in
several other places, so kill it here too.
Similarly, there's no need to check for '!pdev'; we are guaranteed to
have a real device here.
And finally, use dev_err() instead of pr_err().
This yields (for failed PCIe resets):
[ 68.286586] mwifiex_pcie 0000:01:00.0: mwifiex_pcie_reset_notify: adapter structure is not valid
instead of:
[ 82.932658] mwifiex_pcie: mwifiex_pcie_reset_notify: Card or adapter structure is not valid (-270880688088)
Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Currrently we are disabling this wake irq after receiving it. If this
happens before we finish suspend and the pm event check is disabled,
the system will continue suspending, and this irq would not work again.
We may need to abort system suspend to avoid that.
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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last_qual never really holds a time. It only holds jiffies. Make it the
same type as jiffies.
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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Channels 34/38/42/46 can only be used for compatibility with old devices sold
in Japan. Modern products, such as AR6003/AR6004 don't support these channels.
Keeping them in the upstream is error prone and requires full network stack
support. A custom patch should be used in case such compatibility is required.
Without this one, a user is able to start an AP using wpa_supplicant,
for example, on one of these channels (34/38/42/46), without getting
any warning/error from the cfg80211 or ath6kl - which is correct
(since these channels match regdom rules). However, the AR6003 and its
firmware (we're using v3.4.0.225) will fail and return
"WMI_CMDERROR_EVENTID" with "INVALID_PARAM" error code.
Signed-off-by: Rostyslav Khudolii <rkhudolii@airtame.com>
Cc: Attila Sukosd <attila@airtame.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Ganapathi Bhat
Rafał Miłecki
Marcin Rokicki
Maharaja Kennadyrajan
Mohammed Shafi Shajakhan
Venkateswara Rao Naralasetty
Johan Hovold
Kalle Valo
David S. Miller
Greg Ungerer
Florian Westphal
Arend Van Spriel
Larry Finger
Ben Greear
Bjorn Andersson
Liad Kaufman
Dan Carpenter
Sara Sharon
Masanari Iida
Roman Yeryomin
Daniel Golle
Colin Ian King
Franky Lin
Hans de Goede
Ping-Ke Shih
Brian Norris
Amitkumar Karwar
Devidas Puranik
Daniel Mentz
Karthik Ananthapadmanabha
Jeffy Chen
Alexandre Belloni
Rostyslav Khudolii