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2018-12-05thermal: broadcom: constify thermal_zone_of_device_ops structureJulia Lawall
The thermal_zone_of_device_ops structure can be const as it is only passed as the last argument of thermal_zone_of_sensor_register and the corresponding parameter is declared as const. Done with the help of Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
2018-12-05thermal: armada: constify thermal_zone_of_device_ops structureJulia Lawall
The thermal_zone_of_device_ops structure can be const as it is only passed as the last argument of devm_thermal_zone_of_sensor_register and the corresponding parameter is declared as const. Done with the help of Coccinelle. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
2018-12-05SUNRPC: Don't force a redundant disconnection in xs_read_stream()Trond Myklebust
If the connection is broken, then xs_tcp_state_change() will take care of scheduling the socket close as soon as appropriate. xs_read_stream() just needs to report the error. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-12-05SUNRPC: Fix up socket pollingTrond Myklebust
Ensure that we do not exit the socket read callback without clearing XPRT_SOCK_DATA_READY. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-12-05SUNRPC: Use the discard iterator rather than MSG_TRUNCTrond Myklebust
When discarding message data from the stream, we're better off using the discard iterator, since that will work with non-TCP streams. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-12-05SUNRPC: Treat EFAULT as a truncated message in xs_read_stream_request()Trond Myklebust
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-12-05SUNRPC: Fix up handling of the XDRBUF_SPARSE_PAGES flagTrond Myklebust
If the allocator fails before it has reached the target number of pages, then we need to recheck that we're not seeking past the page buffer. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2018-12-05SUNRPC: Fix RPC receive hangsTrond Myklebust
The RPC code is occasionally hanging when the receive code fails to empty the socket buffer due to a partial read of the data. When we convert that to an EAGAIN, it appears we occasionally leave data in the socket. The fix is to just keep reading until the socket returns EAGAIN/EWOULDBLOCK. Reported-by: Catalin Marinas <catalin.marinas@arm.com> Reported-by: Cristian Marussi <cristian.marussi@arm.com> Reported-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Tested-by: Catalin Marinas <catalin.marinas@arm.com> Tested-by: Cristian Marussi <cristian.marussi@arm.com>
2018-12-05cfg80211: Fix busy loop regression in ieee80211_ie_split_ric()Jouni Malinen
This function was modified to support the information element extension case (WLAN_EID_EXTENSION) in a manner that would result in an infinite loop when going through set of IEs that include WLAN_EID_RIC_DATA and contain an IE that is in the after_ric array. The only place where this can currently happen is in mac80211 ieee80211_send_assoc() where ieee80211_ie_split_ric() is called with after_ric[]. This can be triggered by valid data from user space nl80211 association/connect request (i.e., requiring GENL_UNS_ADMIN_PERM). The only known application having an option to include WLAN_EID_RIC_DATA in these requests is wpa_supplicant and it had a bug that prevented this specific contents from being used (and because of that, not triggering this kernel bug in an automated test case ap_ft_ric) and now that this bug is fixed, it has a workaround to avoid this kernel issue. WLAN_EID_RIC_DATA is currently used only for testing purposes, so this does not cause significant harm for production use cases. Fixes: 2512b1b18d07 ("mac80211: extend ieee80211_ie_split to support EXTENSION") Cc: stable@vger.kernel.org Signed-off-by: Jouni Malinen <jouni@codeaurora.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2018-12-05mac80211: ignore NullFunc frames in the duplicate detectionEmmanuel Grumbach
NullFunc packets should never be duplicate just like QoS-NullFunc packets. We saw a client that enters / exits power save with NullFunc frames (and not with QoS-NullFunc) despite the fact that the association supports HT. This specific client also re-uses a non-zero sequence number for different NullFunc frames. At some point, the client had to send a retransmission of the NullFunc frame and we dropped it, leading to a misalignment in the power save state. Fix this by never consider a NullFunc frame as duplicate, just like we do for QoS NullFunc frames. This fixes https://bugzilla.kernel.org/show_bug.cgi?id=201449 CC: <stable@vger.kernel.org> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2018-12-05mac80211: fix reordering of buffered broadcast packetsFelix Fietkau
If the buffered broadcast queue contains packets, letting new packets bypass that queue can lead to heavy reordering, since the driver is probably throttling transmission of buffered multicast packets after beacons. Keep buffering packets until the buffer has been cleared (and no client is in powersave mode). Cc: stable@vger.kernel.org Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2018-12-05mac80211: ignore tx status for PS stations in ieee80211_tx_status_extFelix Fietkau
Make it behave like regular ieee80211_tx_status calls, except for the lack of filtered frame processing. This fixes spurious low-ack triggered disconnections with powersave clients connected to an AP. Fixes: f027c2aca0cf4 ("mac80211: add ieee80211_tx_status_noskb") Cc: stable@vger.kernel.org Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2018-12-05tty: serial: 8250_mtk: always resume the device in probe.Peter Shih
serial8250_register_8250_port calls uart_config_port, which calls config_port on the port before it tries to power on the port. So we need the port to be on before calling serial8250_register_8250_port. Change the code to always do a runtime resume in probe before registering port, and always do a runtime suspend in remove. This basically reverts the change in commit 68e5fc4a255a ("tty: serial: 8250_mtk: use pm_runtime callbacks for enabling"), but still use pm_runtime callbacks. Fixes: 68e5fc4a255a ("tty: serial: 8250_mtk: use pm_runtime callbacks for enabling") Signed-off-by: Peter Shih <pihsun@chromium.org> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05USB: serial: console: fix reported terminal settingsJohan Hovold
The USB-serial console implementation has never reported the actual terminal settings used. Despite storing the corresponding cflags in its struct console, these were never honoured on later tty open() where the tty termios would be left initialised to the driver defaults. Unlike the serial console implementation, the USB-serial code calls subdriver open() already at console setup. While calling set_termios() and write() before open() looks like it could work for some USB-serial drivers, others definitely do not expect this, so modelling this after serial core is going to be intrusive, if at all possible. Instead, use a (renamed) tty helper to save the termios data used at console setup so that the tty termios reflects the actual terminal settings after a subsequent tty open(). Note that the calls to tty_init_termios() (tty_driver_install()) and tty_save_termios() are serialised using the disconnect mutex. This specifically fixes a regression that was triggered by a recent change adding software flow control to the pl2303 driver: a getty trying to disable flow control while leaving the baud rate unchanged would now also set the baud rate to the driver default (prior to the flow-control change this had been a noop). Fixes: 7041d9c3f01b ("USB: serial: pl2303: add support for tx xon/xoff flow control") Cc: stable <stable@vger.kernel.org> # 4.18 Cc: Florian Zumbiehl <florz@florz.de> Reported-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Tested-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Johan Hovold <johan@kernel.org>
2018-12-05Revert "mfd: cros_ec: Use devm_kzalloc for private data"Enric Balletbo i Serra
This reverts commit 3aa2177e47878f7e7616da8a2050c44f22301b6e. That commit triggered a new WARN when unloading the module (see at the end of the commit message). When a class_dev is embedded in a structure then that class_dev is the thing that controls the lifetime of that structure, for that reason device managed allocations can't be used here. See Documentation/kobject.txt. Revert the above patch, so the struct is allocated using kzalloc and we have a release function for it that frees the allocated memory, otherwise it is broken. ------------[ cut here ]------------ Device 'cros_ec' does not have a release() function, it is broken and must be fixed. WARNING: CPU: 3 PID: 3675 at drivers/base/core.c:895 device_release+0x80/0x90 Modules linked in: btusb btrtl btintel btbcm bluetooth ... CPU: 3 PID: 3675 Comm: rmmod Not tainted 4.20.0-rc4 #76 Hardware name: Google Kevin (DT) pstate: 40000005 (nZcv daif -PAN -UAO) pc : device_release+0x80/0x90 lr : device_release+0x80/0x90 sp : ffff00000c47bc70 x29: ffff00000c47bc70 x28: ffff8000e86b0d40 x27: 0000000000000000 x26: 0000000000000000 x25: 0000000056000000 x24: 0000000000000015 x23: ffff8000f0bbf860 x22: ffff000000d320a0 x21: ffff8000ee93e100 x20: ffff8000ed931428 x19: ffff8000ed931418 x18: 0000000000000020 x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000400 x14: 0000000000000143 x13: 0000000000000000 x12: 0000000000000400 x11: 0000000000000157 x10: 0000000000000960 x9 : ffff00000c47b9b0 x8 : ffff8000e86b1700 x7 : 0000000000000000 x6 : ffff8000f7d520b8 x5 : ffff8000f7d520b8 x4 : 0000000000000000 x3 : ffff8000f7d58e68 x2 : ffff8000e86b0d40 x1 : 37d859939c964800 x0 : 0000000000000000 Call trace: device_release+0x80/0x90 kobject_put+0x74/0xe8 device_unregister+0x20/0x30 ec_device_remove+0x34/0x48 [cros_ec_dev] platform_drv_remove+0x28/0x48 device_release_driver_internal+0x1a8/0x240 driver_detach+0x40/0x80 bus_remove_driver+0x54/0xa8 driver_unregister+0x2c/0x58 platform_driver_unregister+0x10/0x18 cros_ec_dev_exit+0x1c/0x2d8 [cros_ec_dev] __arm64_sys_delete_module+0x16c/0x1f8 el0_svc_common+0x84/0xd8 el0_svc_handler+0x2c/0x80 el0_svc+0x8/0xc ---[ end trace a57c4625f3c60ae8 ]--- Cc: stable@vger.kernel.org Fixes: 3aa2177e4787 ("mfd: cros_ec: Use devm_kzalloc for private data") Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> Reviewed-by: Guenter Roeck <groeck@chromium.org> Reviewed-by: Dmitry Torokhov <dtor@chromium.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-12-05usb: quirk: add no-LPM quirk on SanDisk Ultra Flair deviceHarry Pan
Some lower volume SanDisk Ultra Flair in 16GB, which the VID:PID is in 0781:5591, will aggressively request LPM of U1/U2 during runtime, when using this thumb drive as the OS installation key we found the device will generate failure during U1 exit path making it dropped from the USB bus, this causes a corrupted installation in system at the end. i.e., [ 166.918296] hub 2-0:1.0: state 7 ports 7 chg 0000 evt 0004 [ 166.918327] usb usb2-port2: link state change [ 166.918337] usb usb2-port2: do warm reset [ 166.970039] usb usb2-port2: not warm reset yet, waiting 50ms [ 167.022040] usb usb2-port2: not warm reset yet, waiting 200ms [ 167.276043] usb usb2-port2: status 02c0, change 0041, 5.0 Gb/s [ 167.276050] usb 2-2: USB disconnect, device number 2 [ 167.276058] usb 2-2: unregistering device [ 167.276060] usb 2-2: unregistering interface 2-2:1.0 [ 167.276170] xhci_hcd 0000:00:15.0: shutdown urb ffffa3c7cc695cc0 ep1in-bulk [ 167.284055] sd 0:0:0:0: [sda] tag#0 FAILED Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK [ 167.284064] sd 0:0:0:0: [sda] tag#0 CDB: Read(10) 28 00 00 33 04 90 00 01 00 00 ... Analyzed the USB trace in the link layer we realized it is because of the 6-ms timer of tRecoveryConfigurationTimeout which documented on the USB 3.2 Revision 1.0, the section 7.5.10.4.2 of "Exit from Recovery.Configuration"; device initiates U1 exit -> Recovery.Active -> Recovery.Configuration, then the host timer timeout makes the link transits to eSS.Inactive -> Rx.Detect follows by a Warm Reset. Interestingly, the other higher volume of SanDisk Ultra Flair sharing the same VID:PID, such as 64GB, would not request LPM during runtime, it sticks at U0 always, thus disabling LPM does not affect those thumb drives at all. The same odd occures in SanDisk Ultra Fit 16GB, VID:PID in 0781:5583. Signed-off-by: Harry Pan <harry.pan@intel.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05USB: Fix invalid-free bug in port_over_current_notify()Alan Stern
Syzbot and KASAN found the following invalid-free bug in port_over_current_notify(): -------------------------------------------------------------------------- BUG: KASAN: double-free or invalid-free in port_over_current_notify drivers/usb/core/hub.c:5192 [inline] BUG: KASAN: double-free or invalid-free in port_event drivers/usb/core/hub.c:5241 [inline] BUG: KASAN: double-free or invalid-free in hub_event+0xd97/0x4140 drivers/usb/core/hub.c:5384 CPU: 1 PID: 32710 Comm: kworker/1:3 Not tainted 4.20.0-rc3+ #129 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 print_address_description.cold.7+0x9/0x1ff mm/kasan/report.c:256 kasan_report_invalid_free+0x64/0xa0 mm/kasan/report.c:336 __kasan_slab_free+0x13a/0x150 mm/kasan/kasan.c:501 kasan_slab_free+0xe/0x10 mm/kasan/kasan.c:528 __cache_free mm/slab.c:3498 [inline] kfree+0xcf/0x230 mm/slab.c:3817 port_over_current_notify drivers/usb/core/hub.c:5192 [inline] port_event drivers/usb/core/hub.c:5241 [inline] hub_event+0xd97/0x4140 drivers/usb/core/hub.c:5384 process_one_work+0xc90/0x1c40 kernel/workqueue.c:2153 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296 kthread+0x35a/0x440 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 -------------------------------------------------------------------------- The problem is caused by use of a static array to store environment-string pointers. When the routine is called by multiple threads concurrently, the pointers from one thread can overwrite those from another. The solution is to use an ordinary automatic array instead of a static array. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Reported-by: syzbot+98881958e1410ec7e53c@syzkaller.appspotmail.com Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05usb: appledisplay: Add 27" Apple Cinema DisplayAlexander Theissen
Add another Apple Cinema Display to the list of supported displays. Signed-off-by: Alexander Theissen <alex.theissen@me.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05Revert commit ef9209b642f "staging: rtl8723bs: Fix indenting errors and an ↵Young Xiao
off-by-one mistake in core/rtw_mlme_ext.c" pstapriv->max_num_sta is always <= NUM_STA, since max_num_sta is either set in _rtw_init_sta_priv() or rtw_set_beacon(). Fixes: ef9209b642f1 ("staging: rtl8723bs: Fix indenting errors and an off-by-one mistake in core/rtw_mlme_ext.c") Signed-off-by: Young Xiao <YangX92@hotmail.com> Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: rtl8712: Fix possible buffer overrunYoung Xiao
In commit 8b7a13c3f404 ("staging: r8712u: Fix possible buffer overrun") we fix a potential off by one by making the limit smaller. The better fix is to make the buffer larger. This makes it match up with the similar code in other drivers. Fixes: 8b7a13c3f404 ("staging: r8712u: Fix possible buffer overrun") Signed-off-by: Young Xiao <YangX92@hotmail.com> Cc: stable <stable@vger.kernel.org> Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: correct inconsistent indentingMichael Straube
Correct inconsistent indenting reported by smatch. Instead of simply remove indentation, refactor the loop to also improve readabilitiy. Suggested-by: Joe Perches <joe@perches.com> Signed-off-by: Michael Straube <straube.linux@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: handle scan operation callback from cfg80211 contextAjay Singh
Refactor code to handle scan operation callback from cfg80211 context. No need to maintain 'scan_attr' struct as the wid command is directly sent to firmware from cfg80211 context. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: avoid extra buffer copy while connect cfg opsAjay Singh
Refactor the code to avoid the use of an extra buffer to store the connection related parameter. No need to call cfg80211_disconnected in case of failure to send the wid command to firmware, an error status is directly returned in cfg80211 connect callback. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: handle connect ops callback from cfg80211 contextAjay Singh
Refactor the connect related cfg callback to be called from cfg80211 context. No need to post connect command internally in case scan is in progress instead simply return the error status in connect ops callback. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: avoid deferred handling of cfg80211 disconnect callbackAjay Singh
Refactor disconnect operation callback to handle from the cfg80211 context. The reason code is not required to pass as parameter to the function, so remove it. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: handle get_station() ops callback in cfg80211 contextAjay Singh
Refactor code to handle the get_station() callback from cfg80211 context. Provided different API's to fetch the station statistics information in sync or async call. From cfg80211 get_station() ops callback calls the sync version of API. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: handle remain on channel cfg ops from cfg80211 contextAjay Singh
Refactor wilc_remain_on_channel() to handle remain_on_channel callback from cfg80211 context. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: use correct 'struct remain_ch' variable in scan completeAjay Singh
Use the correct reference to remain_ch variable in scan complete. Passing 'msg->body.remain_on_ch' to handle_remain_on_chan is not correct. So used the correct reference used to store roc related information during the scan. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: refactor wilc_get_mac_address() to avoid deferred handlingAjay Singh
Avoid handling of WID_MAC_ADDR wid command in deferred approach. Instead of posting the wid to workqueue now handle directly from the caller context. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: delete the unused code after code refactorAjay Singh
After code refactor some of the macro and variables are not required any more, so deleted the unused code. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: handle key related cfg operation from cfg80211 contextAjay Singh
Refactor add/delete key operation to handle directly from cfg80211 context. Also, avoid an extra copy of the information in hif layer and directly fill the buffer in firmware format. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: refactor wilc_get_inactive_time() to avoid deferred handlingAjay Singh
Avoid handling of inactive time related wid command in deferred manner. Instead of posting the wid to workqueue now handle directly from the caller context. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: refactor wilc_set_wfi_drv_handler() to avoid deferred ↵Ajay Singh
handling Avoid handling of WID_SET_DRV_HANDLER wid command in deferred approach. Instead of posting the wid to work queue now handle directly from the caller context. Remove 'is_sync' parameter from the API as it's not required anymore. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: refactor wilc_set_operation_mode() to avoid deferred handlingAjay Singh
Avoid handling of WID_CURRENT_CHANNEL wid command in deferred approach. Instead of posting the wid to work queue now handle directly from the caller context. Use structure to fill in the firmware specific format. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: handle station dump cfg ops from cfg80211 contextAjay Singh
Refactor code to handle dump_station() callback from cfg80211 context. Instead of deferring issue of wid command now send it directly from cfg context. Also making use of wilc_get_rssi() error status in case there is a failure to post the wid command to the firmware. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: refactor wilc_hif_set_cfg() to avoid deferred handlingAjay Singh
Avoid handling configuration params wid command in deferred approach. Instead of posting to workqueue now handle directly from the caller context. Reduce the size of wid array from 32 to 4 as maximum only 4 wid used at a time. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: refactor wilc_set_mac_chnl_num() to avoid deferred handlingAjay Singh
Avoid handling of WID_CURRENT_CHANNEL wid command in deferred approach. Instead of posting the wid to workqueue now handle directly from the caller context. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: handle mgmt_frame_register ops from cfg82011 contextAjay Singh
Avoid handling of mgmt_frame_register operation callback in a deferred manner. Now set the wid command to firmware directly from caller context. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: handle add beacon operation callback from cfg80211 contextAjay Singh
Refactor add/change beacon cfg80211 operation callback to handle from cfg context. Also avoided extra copy of information by packing directly in firmware expected format. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: handle delete beacon cfg ops from cfg80211 context()Ajay Singh
Refactor the code to handle delete beacon cfg operation from cfg80211 context. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: use is_zero_ether_addr() API to check mac addressAjay Singh
Use is_zero_ether_addr() API to check if mac address value is zero. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: handle delete station related callback ops from cfg80211 ↵Ajay Singh
context Refactor the code to handle delete/delete_all station operation callback from cfg80211 context. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: use void return for wilc_hif_pack_sta_param()Ajay Singh
Change the return type from u32 to void for wilc_hif_pack_sta_param() as its value is not used. Also remove the use of extra pointer as it's not required now. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: handle add and edit station from the cfg80211 contextAjay Singh
Refactor the code to avoid handling of add/edit stations using work queue and now set the wid value from caller context. Avoid making an extra copy of buffer and directly copy the data in firmware expected format. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: handle setting power management from cfg80211 contextAjay Singh
Refactor the code to handle the power management cfg operation from the caller context. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: handle tx power related callback from cfg80211 contextAjay Singh
Avoid the use of internal work queue to defer the handling of tx power related cfg operations callback. Now issuing the wid command to firmware directly from the caller context. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: use mutex lock to synchronized sending 'wid' cmd to firmwareAjay Singh
Use mutex lock to protect the issuing of wid cmd to the firmware. Currently the wid commands are synchronized by use of hif_workqueue work queue. Now, these changes are required to synchronize the access to wid command, so the commands can be issued directly from cfg80211 context and 'WILC_wq' thread. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: avoid the use of the static variable to configure wiphy ↵Ajay Singh
struct Refactor code to avoid the use of static variables to configure the 'wiphy' structure. Now move static variables as part of 'priv' data so it helped to maintain this information per interface. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: make use of put_unaligned_le32 in ↵Ajay Singh
handle_set_wfi_drv_handler() Make use of put_unaligned_le32() function to pack the wid command buffer for firmware. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-12-05staging: wilc1000: remove unnecessary checks in wilc_mac_close()Ajay Singh
Remove unnecessary 'if' check in wilc_mac_close() as those conditions will not happen. Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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