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* usb: gadget: udc: add a 'function' sysfs fileFelipe Balbi2017-06-132-0/+21
| | | | | | | | This file will print out the name of the currently running USB Gadget Driver. It can be read even when there are no functions loaded. Suggested-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: gadget: dummy: implement ->udc_set_speed()Felipe Balbi2017-06-131-16/+23
| | | | | | | Move the code which was part of pullup() to the newly introduced method. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: dwc3: gadget: implement ->udc_set_speed()Felipe Balbi2017-06-131-43/+58
| | | | | | | Use this method to make sure we don't try to connect on speeds not supported by the gadget driver. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: gadget: core: introduce ->udc_set_speed() methodFelipe Balbi2017-06-132-0/+21
| | | | | | | | | | | | | | Sometimes, the gadget driver we want to run has max_speed lower than what the UDC supports. In such situations, UDC might want to make sure we don't try to connect on speeds not supported by the gadget driver (e.g. super-speed capable dwc3 with high-speed capable g_midi) because that will just fail. In order to make sure this situation never happens, we introduce a new optional ->udc_set_speed() method which can be implemented by interested UDC drivers. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: gadget: udc: Add Synopsys UDC Platform driverRaviteja Garimella2017-06-135-20/+409
| | | | | | | | | | | | | | | | | | | | This patch adds platform driver support for Synopsys UDC. A new driver file (snps_udc_plat.c) is created for this purpose where the platform driver registration is done based on OF node. Currently, UDC integrated into Broadcom's iProc SoCs (Northstar2 and Cygnus) work with this driver. New members are added to the UDC data structure for having platform device support along with extcon and phy support. Kconfig and Makefiles are modified to select platform driver for compilation. Signed-off-by: Raviteja Garimella <raviteja.garimella@broadcom.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* dt-bindings: usb: DT bindings documentation for Broadcom IPROC USB Device ↵Raviteja Garimella2017-06-131-0/+21
| | | | | | | | | | | controller. The device node is used for UDCs integrated into Broadcom's iProc family of SoCs'. The UDC is based on Synopsys Designware Cores AHB Subsystem USB Device Controller IP. Signed-off-by: Raviteja Garimella <raviteja.garimella@broadcom.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: gadget: udc: Provide correct arguments for 'dma_pool_create'Raviteja Garimella2017-06-131-2/+2
| | | | | | | | Change the argument from NULL to a struct device for the dma_pool_create call during dma init. Signed-off-by: Raviteja Garimella <raviteja.garimella@broadcom.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: gadget: udc: make debug prints compatible with both pci and platform ↵Raviteja Garimella2017-06-133-15/+18
| | | | | | | | | | | devices This patch adds a struct device member to UDC data structure and makes changes to the arguments of dev_err and dev_dbg calls so that the debug prints work for both pci and platform devices. Signed-off-by: Raviteja Garimella <raviteja.garimella@broadcom.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: gadget: udc: Rename amd5536udc driver file based on IPRaviteja Garimella2017-06-132-1/+1
| | | | | | | | | | | This patch renames the amd5536udc.c that has the core driver functionality of Synopsys UDC to snps_udc_core.c The symbols exported here can be used by any UDC driver that uses the same Synopsys IP. Signed-off-by: Raviteja Garimella <raviteja.garimella@broadcom.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: gadget: configfs: use hexadecimal values and new lineStefan Agner2017-06-131-3/+3
| | | | | | | | | | | Other unsigned properties return hexadecimal values, follow this convention when printing b_vendor_code too. Also add newlines to the OS Descriptor support related properties, like other sysfs files use. Reviewed-by: Krzysztof Opasiak <k.opasiak@samsung.com> Signed-off-by: Stefan Agner <stefan@agner.ch> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: gadget: configfs: make qw_sign attribute symmetricStefan Agner2017-06-131-2/+6
| | | | | | | | | | | | | | | | | Currently qw_sign requires UTF-8 character to set, but returns UTF-16 when read. This isn't obvious when simply using cat since the null characters are not visible, but hexdump unveils the true string: # echo MSFT100 > os_desc/qw_sign # hexdump -C os_desc/qw_sign 00000000 4d 00 53 00 46 00 54 00 31 00 30 00 30 00 |M.S.F.T.1.0.0.| Make qw_sign symmetric by returning an UTF-8 string too. Also follow common convention and add a new line at the end. Reviewed-by: Krzysztof Opasiak <k.opasiak@samsung.com> Signed-off-by: Stefan Agner <stefan@agner.ch> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: gadget: Allow a non-SuperSpeed gadget to support LPMJohn Youn2017-06-022-2/+9
| | | | | | | | | | | | | | | | | This commit allows a gadget that does not support SuperSpeed to indicate that it supports LPM. It does this by setting the 'lpm_capable' flag in the gadget structure. If a gadget sets this, the composite gadget framework will set the bcdUSB to 0x0201 to indicate that this supports BOS descriptors, and also return a USB 2.0 Extension descriptor as part of the BOS descriptor set. See USB 2.0 LPM ECN Section 3. Signed-off-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Sevak Arakelyan <sevaka@synopsys.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: gadget: composite: Exclude SS Dev Cap DescJohn Youn2017-06-021-23/+28
| | | | | | | | | Don't send the SuperSpeed USB Device Capability descriptor if the gadget is not capable of SuperSpeed. Signed-off-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Sevak Arakelyan <sevaka@synopsys.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: gadget: function: f_fs: Move epfile waitqueue to ffs_data.Jerry Zhang2017-06-022-9/+13
| | | | | | | | | | | | | | | | There were individual waitqueues for each epfile but eps_enable would iterate through all of them, resulting in essentially the same wakeup time. The waitqueue represents the function being enabled, so a central waitqueue in ffs_data makes more sense and is less redundant. Also use wake_up_interruptible to reflect use of wait_event_interruptible. Acked-by: Michal Nazarewicz <mina86@mina86.com> Signed-off-by: Jerry Zhang <zhangjerry@google.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: gadget: function: f_fs: Let ffs_epfile_ioctl wait for enable.Jerry Zhang2017-06-022-42/+58
| | | | | | | | | | | | | | | | This allows users to make an ioctl call as the first action on a connection. Ex, some functions might want to get endpoint size before making any i/os. Previously, calling ioctls before read/write would depending on the timing of endpoints being enabled. ESHUTDOWN is now a possible return value and ENODEV is not, so change docs accordingly. Acked-by: Michal Nazarewicz <mina86@mina86.com> Signed-off-by: Jerry Zhang <zhangjerry@google.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: gadget: remove redundant self assignmentStefan Agner2017-06-021-3/+1
| | | | | | | | | The assignment ret = ret is redundant and can be removed. Reviewed-by: Krzysztof Opasiak <k.opasiak@samsung.com> Reviewed-by: Peter Chen <peter.chen@nxp.com> Signed-off-by: Stefan Agner <stefan@agner.ch> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: move ReST documentation to Documentation/driver-api/usb/Felipe Balbi2017-06-023-0/+2
| | | | | | This is where all other USB ReST documentation has moved to. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: dwc3: add ReST documentationFelipe Balbi2017-06-022-0/+713
| | | | | | | Document a few details about DWC3 in order to help people report bugs and debug DWC3. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: dwc3: trace: decode ctrl requestFelipe Balbi2017-06-022-4/+238
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instead of *always* dumping raw ctrl bytes, let's decode standard requests which will make the lives of those debugging DWC3 quite a bit easier. Output will now look like so: irq/34-dwc3-1594 [000] d..1 107.573081: dwc3_ctrl_req: Get Device Descriptor(Index = 0, Length = 18) irq/34-dwc3-1594 [000] d..1 107.573694: dwc3_ctrl_req: Set Address(Addr = 01) irq/34-dwc3-1594 [000] d..1 107.588319: dwc3_ctrl_req: Get Device Descriptor(Index = 0, Length = 18) irq/34-dwc3-1594 [000] d..1 107.588816: dwc3_ctrl_req: Get Configuration Descriptor(Index = 0, Length = 9) irq/34-dwc3-1594 [000] d..1 107.589191: dwc3_ctrl_req: Set Configuration(Config = 3) irq/34-dwc3-1594 [000] d..1 107.589846: dwc3_ctrl_req: Get BOS Descriptor(Index = 0, Length = 5) irq/34-dwc3-1594 [000] d..1 107.590146: dwc3_ctrl_req: Get BOS Descriptor(Index = 0, Length = 22) irq/34-dwc3-1594 [000] d..1 107.590546: dwc3_ctrl_req: Get Configuration Descriptor(Index = 0, Length = 9) irq/34-dwc3-1594 [000] d..1 107.590840: dwc3_ctrl_req: Get Configuration Descriptor(Index = 0, Length = 69) irq/34-dwc3-1594 [000] d..1 107.591138: dwc3_ctrl_req: Get Configuration Descriptor(Index = 1, Length = 9) irq/34-dwc3-1594 [000] d..1 107.591541: dwc3_ctrl_req: Get Configuration Descriptor(Index = 1, Length = 32) irq/34-dwc3-1594 [000] d..1 107.591834: dwc3_ctrl_req: Get Device Descriptor(Index = 0, Length = 18) irq/34-dwc3-1594 [000] d..1 114.701005: dwc3_ctrl_req: Get Device Descriptor(Index = 0, Length = 18) irq/34-dwc3-1594 [000] d..1 114.721080: dwc3_ctrl_req: Get Device Descriptor(Index = 0, Length = 18) irq/34-dwc3-1594 [000] d..1 114.722709: dwc3_ctrl_req: Get Device Descriptor(Index = 0, Length = 18) irq/34-dwc3-1594 [000] d..1 114.728979: dwc3_ctrl_req: Get Device Descriptor(Index = 0, Length = 18) irq/34-dwc3-1594 [000] d..1 114.730544: dwc3_ctrl_req: Get Device Qualifier Descriptor(Index = 0, Length = 10) irq/34-dwc3-1594 [000] d..1 115.776018: dwc3_ctrl_req: Get Configuration Descriptor(Index = 0, Length = 9) irq/34-dwc3-1594 [000] d..1 115.776760: dwc3_ctrl_req: Set Configuration(Config = 0) irq/34-dwc3-1594 [000] d..1 115.777676: dwc3_ctrl_req: Get Configuration(Length = 1) irq/34-dwc3-1594 [000] d..1 115.924797: dwc3_ctrl_req: Get Device Descriptor(Index = 0, Length = 18) irq/34-dwc3-1594 [000] d..1 115.929025: dwc3_ctrl_req: Get String Descriptor(Index = 0, Length = 500) irq/34-dwc3-1594 [000] d..1 115.929566: dwc3_ctrl_req: Get String Descriptor(Index = 1, Length = 500) irq/34-dwc3-1594 [000] d..1 115.930911: dwc3_ctrl_req: Get String Descriptor(Index = 0, Length = 500) irq/34-dwc3-1594 [000] d..1 115.931528: dwc3_ctrl_req: Get String Descriptor(Index = 2, Length = 500) irq/34-dwc3-1594 [000] d..1 115.932950: dwc3_ctrl_req: Get String Descriptor(Index = 0, Length = 500) irq/34-dwc3-1594 [000] d..1 115.933533: dwc3_ctrl_req: Get String Descriptor(Index = 3, Length = 500) Note that Class and Vendor requests won't be decoded for obvious reasons. Those will be printed as a raw sequence of bytes. This patch has been tested against a normal host (both Linux and Windows) and USB30CV Chapter 9 tests. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: dwc3: debug: remove static char buffer from dwc3_decode_event()Felipe Balbi2017-06-022-8/+9
| | | | | | | Instead, we can require caller to pass a buffer for the function to use. This cleans things quite a bit. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: dwc3: trace: rely on __string() and __assign_str()Felipe Balbi2017-06-021-8/+8
| | | | | | | Instead of going for a 512 byte buffer and using snprintf(), let's rely on helps __string() and __assign_str() where possible. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: dwc3: gadget: slight cleanup to dwc3_process_event_entry()Felipe Balbi2017-06-021-12/+4
| | | | | | No functional changes, just a slight readability improvement. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: dwc3: debugfs: slightly improve output of trb_ringFelipe Balbi2017-06-021-5/+4
| | | | | | | | Instead of printing out enqueue and dequeue pointer value as a header to the output, let's mark the TRBs in question with 'E' and 'D'. The output looks slightly easier to read. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: dwc3: update documentationFelipe Balbi2017-06-024-65/+124
| | | | | | | No functional changes, just making sure we can use these for ReST docs later. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* tools: usb: testusb: update default vary for superspeedFelipe Balbi2017-06-021-7/+9
| | | | | | | | | | Currently, default vary will not accomodate superspeed endpoints causing unexpected babble errors in the IN direction. Let's update default 'vary' parameter so that we can maintain a "short-less" transfer as hinted at the comment. Reported-by: Ammy Yi <ammy.yi@intel.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: dwc3: replace %p with %pKFelipe Balbi2017-06-022-7/+4
| | | | | | | | | | %p will leak kernel pointers, so let's not expose the information on dmesg and instead use %pK. %pK will only show the actual addresses if explicitly enabled under /proc/sys/kernel/kptr_restrict. Cc: <stable@vger.kernel.org> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: gadget: udc-xilinx: clean up a variable nameDan Carpenter2017-05-171-1/+1
| | | | | | | | | "ep->udc->lock" and "udc->lock" are the same thing. It confuses Smatch if we don't use the same name consistently. Reviewed-by: Sören Brinkmann <soren.brinkmann@xilinx.com> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: dwc3: add disable u2mac linestate check quirkWilliam Wu2017-05-173-6/+20
| | | | | | | | | | | | | | | | | | | | | | This patch adds a quirk to disable USB 2.0 MAC linestate check during HS transmit. Refer the dwc3 databook, we can use it for some special platforms if the linestate not reflect the expected line state(J) during transmission. When use this quirk, the controller implements a fixed 40-bit TxEndDelay after the packet is given on UTMI and ignores the linestate during the transmit of a token (during token-to-token and token-to-data IPGAP). On some rockchip platforms (e.g. rk3399), it requires to disable the u2mac linestate check to decrease the SSPLIT token to SETUP token inter-packet delay from 566ns to 466ns, and fix the issue that FS/LS devices not recognized if inserted through USB 3.0 HUB. Acked-by: Rob Herring <robh@kernel.org> Reviewed-by: Guenter Roeck <groeck@chromium.org> Signed-off-by: William Wu <william.wu@rock-chips.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: gadget: udc: add null check before pointer dereferenceGustavo A. R. Silva2017-05-171-2/+3
| | | | | | | | | | Add null check before dereferencing dev->regs pointer inside net2280_led_shutdown() function. Addresses-Coverity-ID: 101783 Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: phy: phy-msm-usb: Remove redundant extcon register/unregisterBaolin Wang2017-05-171-67/+18
| | | | | | | | | Since usb phy core has added common code to register or unregister extcon device, then phy-msm-usb driver does not need its own code to register/unregister extcon device, then remove them. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: phy: phy-qcom-8x16-usb: Remove redundant extcon register/unregisterBaolin Wang2017-05-171-15/+5
| | | | | | | | | Since usb phy core has added common code to register or unregister extcon device, then phy-qcom-8x16-usb driver does not need its own code to register/unregister extcon device, then remove them. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: phy: Introduce one extcon device into usb phyBaolin Wang2017-05-173-3/+67
| | | | | | | | | | | Usually usb phy need register one extcon device to get the connection notifications. It will remove some duplicate code if the extcon device is registered using common code instead of each phy driver having its own related extcon APIs. So we add one pointer of extcon device into usb phy structure, and some other helper functions to register extcon. Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: fix the comment with regards to DocBookMauro Carvalho Chehab2017-05-171-1/+1
| | | | | | | | | | | | | | The USB gadget documentation is not at DocBook anymore. The main file was converted to ReST, and stored at Documentation/driver-api/usb/gadget.rst, but there are still several plain text files related to gadget under Documentation/usb. So, be generic and just mention documentation without specifying where it is. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: gadget: f_uac2: calculate wMaxPacketSize before endpoint matchSekhar Nori2017-05-171-6/+6
| | | | | | | | | | | | | | | | | | Calculate wMaxPacketSize before endpoint matching the descriptor is found. This allows audio gadget to be used with controllers which have a shortage or unavailability of endpoints that can handle max packet size of 1023 (FS) or 1024 (HS). With this audio gadget can be used on TI's OMAP-L138 SoC which has a MUSB HS controller with endpoints having max packet size much less than 1023 or 1024. See mode_2_cfg in drivers/usb/musb/musb_core.c Signed-off-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: dwc3: gadget: lazily map requests for DMAFelipe Balbi2017-05-171-9/+12
| | | | | | | | | | | | | Some functions might want to have very, very long request queues. We can't make any assumptions about how many requests we *are* able to map, so instead of mapping requests early, let's map them late. This way, functions can queue as many requests as they'd like but we won't take DMA resources until they are needed. Also, we can now stop processing requests when we run out of DMA resources but still keep requests in the queue for late processing. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* usb: dwc3: gadget: don't WARN about lack of TRBsFelipe Balbi2017-05-171-3/+1
| | | | | | | | We don't need a big fat warning with stack dump at all. Running out of TRBs is a normal condition and we will have more TRBs available as soon as some transfers complete. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* USB: f_mass_storage: improve memory barriers and synchronizationAlan Stern2017-05-162-206/+156
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch reworks the way f_mass_storage.c handles memory barriers and synchronization: The driver now uses a wait_queue instead of doing its own task-state manipulations (even though only one task will ever use the wait_queue). The thread_wakeup_needed variable is removed. It was only a source of trouble; although it was what the driver tested to see whether it should wake up, what we really wanted to see was whether a USB transfer had completed. All the explicit memory barriers scattered throughout the driver are replaced by a few calls to smp_load_acquire() and smp_store_release(). The inreq_busy and outreq_busy fields are removed. In their place, the driver keeps track of the current I/O direction by splitting BUF_STATE_BUSY into two states: BUF_STATE_SENDING and BUF_STATE_RECEIVING. The buffer states are no longer protected by a lock. Mutual exclusion isn't needed; the state is changed only by the driver's main thread when it owns the buffer, and only by the request completion routine when the gadget core owns the buffer. The do_write() and throw_away_data() routines were reorganized to make efficient use of the new sleeping mechanism. This resulted in the removal of one indentation level in those routines, making the patch appear to be more more complicated than it really is. In a few places, the driver allowed itself to be frozen although it really shouldn't have (in the middle of executing a SCSI command). Those places have been fixed. The logic in the exception handler for aborting transfers and waiting for them to stop has been simplified. Tested-by: Thinh Nguyen <thinhn@synopsys.com> Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* USB: f_mass_storage: improve async notification handlingAlan Stern2017-05-162-55/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch makes several adjustments to the way f_mass_storage.c handles its internal state and asynchronous notifications (AKA exceptions): A number of states weren't being used for anything. They are removed. The FSG_STATE_IDLE state was renamed to FSG_STATE_NORMAL, because it now applies whenever the gadget is operating normally, not just when the gadget is idle. The FSG_STATE_RESET state was renamed to FSG_STATE_PROTOCOL_RESET, indicating that it represents a Bulk-Only Transport protocol reset and not a general USB reset. When a signal arrives, it's silly for the signal handler to send itself another signal! Now it takes care of everything inline. Along with an assortment of other minor changes in the same category. Tested-by: Thinh Nguyen <thinhn@synopsys.com> Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
* Linux 4.12-rc1v4.12-rc1Linus Torvalds2017-05-131-2/+2
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* Merge branch 'for-linus' of ↵Linus Torvalds2017-05-135-7/+445
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull some more input subsystem updates from Dmitry Torokhov: "An updated xpad driver with a few more recognized device IDs, and a new psxpad-spi driver, allowing connecting Playstation 1 and 2 joypads via SPI bus" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: cros_ec_keyb - remove extraneous 'const' Input: add support for PlayStation 1/2 joypads connected via SPI Input: xpad - add USB IDs for Mad Catz Brawlstick and Razer Sabertooth Input: xpad - sync supported devices with xboxdrv Input: xpad - sort supported devices by USB ID
| * Input: cros_ec_keyb - remove extraneous 'const'Arnd Bergmann2017-05-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | gcc-7 warns about 'const SIMPLE_DEV_PM_OPS', as that macro already contains a 'const' keyword: drivers/input/keyboard/cros_ec_keyb.c:663:14: error: duplicate 'const' declaration specifier [-Werror=duplicate-decl-specifier] static const SIMPLE_DEV_PM_OPS(cros_ec_keyb_pm_ops, NULL, cros_ec_keyb_resume); This removes the extra one. Fixes: 6af6dc2d2aa6 ("input: Add ChromeOS EC keyboard driver") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| * Input: add support for PlayStation 1/2 joypads connected via SPITomohiro Yoshidomi2017-05-103-0/+423
| | | | | | | | | | | | | | | | PlayStation 1/2 joypads can be connected directly to the SPI interface. Signed-off-by: Tomohiro Yoshidomi <sylph23k@gmail.com> Acked-by: David Herrmann <dh.herrmann@gmail.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| * Input: xpad - add USB IDs for Mad Catz Brawlstick and Razer SabertoothBenjamin Valentin2017-05-071-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | Add USB IDs for two more Xbox 360 controllers. I found them in the pull requests for the xboxdrv userspace driver, which seems abandoned. Thanks to psychogony and mkaito for reporting the IDs there! Signed-off-by: Benjamin Valentin <benpicco@googlemail.com> Reviewed-by: Cameron Gutman <aicommander@gmail.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| * Input: xpad - sync supported devices with xboxdrvBenjamin Valentin2017-05-071-0/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The userspace xboxdrv driver [0] contains some USB IDs unknown to the kernel driver. I have created a simple script [1] to extract the missing devices and add them to xpad. A quick google search confirmed that all the new devices called Fightstick/pad are Arcade-type devices [2] where the MAP_TRIGGERS_TO_BUTTONS option should apply. There are some similar devices in the existing device table where this flag is not set, but I did refrain from changing those. [0] https://github.com/xboxdrv/xboxdrv/blob/stable/src/xpad_device.cpp [1] http://codepad.org/CHV98BNH [2] https://www.google.com/search?q=SFxT+Fightstick+Pro&tbm=isch Signed-off-by: Benjamin Valentin <benpicco@googlemail.com> Reviewed-by: Cameron Gutman <aicommander@gmail.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| * Input: xpad - sort supported devices by USB IDBenjamin Valentin2017-05-071-6/+6
| | | | | | | | | | | | | | | | Some entries in the table of supported devices are out of order. To not create a mess when adding new ones using a script, sort them first. Signed-off-by: Benjamin Valentin <benpicco@googlemail.com> Reviewed-by: Cameron Gutman <aicommander@gmail.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
* | Merge tag 'upstream-4.12-rc1' of git://git.infradead.org/linux-ubifsLinus Torvalds2017-05-139-18/+195
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull UBI/UBIFS updates from Richard Weinberger: - new config option CONFIG_UBIFS_FS_SECURITY - minor improvements - random fixes * tag 'upstream-4.12-rc1' of git://git.infradead.org/linux-ubifs: ubi: Add debugfs file for tracking PEB state ubifs: Fix a typo in comment of ioctl2ubifs & ubifs2ioctl ubifs: Remove unnecessary assignment ubifs: Fix cut and paste error on sb type comparisons ubi: fastmap: Fix slab corruption ubifs: Add CONFIG_UBIFS_FS_SECURITY to disable/enable security labels ubi: Make mtd parameter readable ubi: Fix section mismatch
| * | ubi: Add debugfs file for tracking PEB stateBen Shelton2017-05-081-1/+125
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a file under debugfs to allow easy access to the erase count for each physical erase block on an UBI device. This is useful when debugging data integrity issues with UBIFS on NAND flash devices. Signed-off-by: Ben Shelton <ben.shelton@ni.com> Signed-off-by: Zach Brown <zach.brown@ni.com> v2: * If ubi_io_is_bad eraseblk_count_seq_show just returns the err. * if ubi->lookuptbl returns null, its no longer treated as an error instead info for that block is not printeded * Removed check for UBI_MAX_ERASECOUNTER since it is impossible to hit * Removed block state from print, if a block is printed then it is good and if it is not printed, then it is bad. v3: * Remove errant ! symbol from if statement checking if erase count is valid. Signed-off-by: Richard Weinberger <richard@nod.at>
| * | ubifs: Fix a typo in comment of ioctl2ubifs & ubifs2ioctlRock Lee2017-05-081-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | Change 'convert' to 'converts' Change 'UBIFS' to 'UBIFS inode flags' Signed-off-by: Rock Lee <rockdotlee@gmail.com> Signed-off-by: Richard Weinberger <richard@nod.at>
| * | ubifs: Remove unnecessary assignmentStefan Agner2017-05-081-1/+0
| | | | | | | | | | | | | | | | | | | | | Assigning a value of a variable to itself is not useful. Signed-off-by: Stefan Agner <stefan@agner.ch> Signed-off-by: Richard Weinberger <richard@nod.at>
| * | ubifs: Fix cut and paste error on sb type comparisonsColin Ian King2017-05-081-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The check for the bad node type of sb->type is checking sa->type and not sb-type. This looks like a cut and paste error. Fix this. Detected by PVS-Studio, warning: V581 Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Richard Weinberger <richard@nod.at>
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