- 04 Apr, 2013 5 commits
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Chan-yeol Park authored
This patch adds a check HCI_UART_REGISTERED before reading UART data in the HCI UART H4 driver. UART data could arrive when inside the hci_uart_tty_ioctl function after calling test_and_set_bit for HCI_UART_PROTO_SET but before the hci_uart_set_proto function has returned. Backtrace: [<c05f27ec>] (hci_recv_stream_fragment+0x0/0x74) from [<c04126f4>] (h4_recv+0x18/0x40) r7:eb1d4d1c r6:eb7683b0 r5:eae8e800 r4:0000000c [<c04126dc>] (h4_recv+0x0/0x40) from [<c0411870>] (hci_uart_tty_receive+0x6c/0x94) r5:eae8e800 r4:eb768380 [<c0411804>] (hci_uart_tty_receive+0x0/0x94) from [<c027be88>] (flush_to_ldisc+0x16c/0x17c) r6:eae8e8d8 r5:eae8e800 r4:eae8e8c8 [<c027bd1c>] (flush_to_ldisc+0x0/0x17c) from [<c0050ae8>] (process_one_work+0x144/0x4d4) [<c00509a4>] (process_one_work+0x0/0x4d4) from [<c0051208>] (worker_thread+0x180/0x370) [<c0051088>] (worker_thread+0x0/0x370) from [<c005617c>] (kthread+0x90/0x9c) [<c00560ec>] (kthread+0x0/0x9c) from [<c003a3a0>] (do_exit+0x0/0x7ec) Signed-off-by:
Chan-yeol Park <chanyeol.park@samsung.com> Signed-off-by:
Johan Hedberg <johan.hedberg@intel.com>
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Andre Guedes authored
This patch removes the hci_req_cmd_status function since it is not used anymore. The HCI request framework now considers the HCI command has complete once the Command Status or Command Complete Event is received. Signed-off-by:
Andre Guedes <andre.guedes@openbossa.org> Signed-off-by:
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Andre Guedes authored
Since the HCI request framework was properly fixed, the hci_req_sync call, in hci_inquiry, will return as soon as the HCI command completes (not the Inquiry procedure). However, in inquiry ioctl implementation, we want to sleep the user process until the inquiry procedure finishes. This patch changes hci_inquiry so, in case the HCI Inquiry command was executed successfully, it waits the HCI_INQUIRY flag to be cleared. This way, the user process will sleep until the inquiry procedure finishes. Signed-off-by:
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Andre Guedes authored
Some HCI commands don't send a Command Complete Event once the HCI command has completed so they require some special handling from the HCI request framework. These HCI commands, however, send a Command Status Event to indicate that the command has been received, and that the controller is currently performing the task for the command. So, in order to properly handle those HCI commands, the HCI request framework should consider the HCI command has completed once the Command Status Event is received. This way, we fix some issues regarding the Inquiry command support, as well as add support for all those HCI commands which would require some special handling from the HCI request framework. Signed-off-by:
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Noguchi Kazutosi authored
Add support for the AR3012 chip. T: Bus=01 Lev=02 Prnt=02 Port=05 Cnt=03 Dev#= 21 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=0489 ProdID=e04d Rev=00.02 S: Manufacturer=Atheros Communications S: Product=Bluetooth USB Host Controller S: SerialNumber=Alaska Day 2006 C: #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA I: If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb I: If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb Signed-off-by:
Noguchi Kazutosi <linux@scaltinof.net> Signed-off-by:
Gustavo Padovan <gustavo.padovan@collabora.co.uk>
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- 03 Apr, 2013 27 commits
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Arend van Spriel authored
Firmware provides the driver with credits used to transmit packets to the firmware. When credits run out the packets should be queued and dequeued when receiving creditback signals from the firmware. Reviewed-by:
Pieter-Paul Giesberts <pieterpg@broadcom.com> Reviewed-by:
Hante Meuleman <meuleman@broadcom.com> Signed-off-by:
Arend van Spriel <arend@broadcom.com> Signed-off-by:
John W. Linville <linville@tuxdriver.com>
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Arend van Spriel authored
The fcmode provided by module parameter defaults to NONE, which means no flow-control is required. In this case flow-control signals should not be enabled. Reviewed-by:
Piotr Haber <phaber@broadcom.com> Reviewed-by:
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Arend van Spriel authored
Bail out of brcmf_fws_init() when no firmware-signalling is asked for. Need to take this into account in brcmf_fws_deinit() as well. Reviewed-by:
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Arend van Spriel authored
The functions are moved in preparation of later patches. Reviewed-by:
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Arend van Spriel authored
The length is not according specification so better fix it. Reviewed-by:
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Arend van Spriel authored
If iovar to the firmware fails the firmware-signalling module does a cleanup for which it needs pointer to struct brcmf_pub, which it gets from struct brcmf_fws_info::drvr. Assign this field before doing the tlv iovar. Reviewed-by:
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Arend van Spriel authored
The low-level sdio code has a large number of trace and info messages that are mostly useful looking into bus specific issues. For tracing higher-level driver functions it is better to have a dedicated level for low-level sdio debugging. Reviewed-by:
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Piotr Haber authored
During SDIO layer flow control signalling firmware can issue invalid packets. Prevent printing of parsing errors in such case. Reviewed-by:
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Arend van Spriel authored
Parsing the tlv upon receiving frames can fail. Instead of printing an error message, just count the parse failure. On some devices we receive a lot of invalid tlv signals. this commit will be squashed. Signed-off-by:
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Arend van Spriel authored
When firmware-signalling is active the brcmf_txcomplete() does a free of the sk_buff when transfer to firmware fails in the bus-specific driver code. However, it should also cleanup the packet from the hanger. This patch fixes that. Reviewed-by:
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Arend van Spriel authored
Enabling the tx status signalling, which requires packet tagging before sending to the firmware and handling the tx status signal. Reviewed-by:
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Arend van Spriel authored
Upcoming patches will add firmware signalled flow control. Prepare by adding the mode, which defaults to disable it. The mode can be queried by brcmf_fws_fc_active() and set by a module parameter. Reviewed-by:
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Arend van Spriel authored
Add a callback to obtain packet queue from the bus-specific code used to cleanup packet buffers from firmware-signalling code. Reviewed-by:
Franky (Zhenhui) Lin <frankyl@broadcom.com> Signed-off-by:
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Arend van Spriel authored
The hanger for firmware-signalling is used to retain information for outstanding transmit packets that await tx status. Reviewed-by:
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Arend van Spriel authored
When an interface is deleted make sure to cleanup all packet buffers related to that interface. Reviewed-by:
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Arend van Spriel authored
The sk_buff structure contains a control buffer that can be used by different layers in the networking stack for holding packet associated information. In brcmfmac it is used to hold firmware signalling related information. Reviewed-by:
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Arend van Spriel authored
Currently, the netif queue is only stopped when the bus interface is giving a push back. This will change soon so prepare the driver by adding a stop reason and stop/resume the queue accordingly. Reviewed-by:
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Arend van Spriel authored
Add a cleanup function releasing any queued packet buffers in the mac descriptor entries. Reviewed-by:
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Arend van Spriel authored
The firmware signalling functionality needs the credit map firmware events. This patch adds registration of a handler for this event. Reviewed-by:
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Arend van Spriel authored
Firmware can signal the driver to allocate descriptor info for a given mac address, which will be used for flow control and host queueing. Reviewed-by:
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Arend van Spriel authored
Firmware signalling needs to handle resources upon interface events. This patch add calls in the interface event handling routine. Reviewed-by:
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Hante Meuleman authored
Use information from the device to determine the bands property of the wiphy object. After this change the support of 80211n is correctly presented in the bands property. Reviewed-by:
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Arend van Spriel authored
In brcmf_sdbrcm_txpkt() a new packet is allocated and used to transmit to firmware freeing up the original packet. However, that packet is still referenced in firmware-signalling so this would result in a double free. Using skb_cow() avoids this as the packet reference is unchanged. Reviewed-by:
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Arend van Spriel authored
When taking care of packet alignment to 64-byte boundary padding may be added between SDPCM header and CDC data. It clear both SDPCM header space and padding space. Changed it to only clear padding space. In filling the SDPCM header it uses unaligned access to set SDPCM software header, but preceding code assures it is properly aligned. Signed-off-by:
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Arend van Spriel authored
The function brcmf_sdbrcm_txpkt() calls brcmf_txcomplete() with a parameter success. For this parameter it passes ret != 0, but that condition is true upon failure. Reviewed-by:
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Chen, Chien-Chia authored
This patch is to fix some wrong header file path. It has caused the build failed. Signed-off-by:
Chen, Chien-Chia <machen@suse.com> Cc: larry.finger@lwfinger.net Cc: zhiyuan_yang@realsil.com.cn Cc: page_he@realsil.com.cn Cc: mmarek@suse.cz Signed-off-by:
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Samuel Ortiz authored
This reverts commit 63cd353c. We no longer need this fix as the MEI bus APIs are now merged into char-misc-next. Signed-off-by:
Samuel Ortiz <sameo@linux.intel.com> Signed-off-by:
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- 01 Apr, 2013 8 commits
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Larry Finger authored
These changes enable building the new driver. Signed-off-by:
Larry Finger <Larry.Finger@lwfinger.net> Cc: jcheung@suse.com Cc: machen@suse.com Cc: mmarek@suse.cz Cc: zhiyuan_yang@realsil.com.cn Cc: page_he@realsil.com.cn Signed-off-by:
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Larry Finger authored
These patches modify the common probe routine to recognize the RTL8188EE chip and implement asynchronous firmware reading in the callback routine to initialize the sw variables. Signed-off-by:
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Larry Finger authored
rtlwifi: rtl8192c: rtl8192ce: rtl8192cu: rtl8192de: rtl8723ae: Add changes required by adding rtl81988ee This patch combines the remaining changes in the rtlwifi family to handle the addition of rtl8188ee. A number of these changes eliminate some CamelCase variable names, and other shorten common variable names so that long lines in the new driver could be shortened. Signed-off-by:
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Larry Finger authored
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Larry Finger authored
In commit a5ffbe0a, some of the calls to rtl_lps_leave() were switched to be called from a work queue to avoid a scheduling while atomic bug. This patch converts the remaining calls to use the work queue. In addition, the call to rtl_lps_enter() is also switched to the work queue. None of these newly converted calls had triggered the bug (yet), but this change make all of them fit a single pattern. Signed-off-by:
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Larry Finger authored
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Larry Finger authored
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Larry Finger authored
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