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2015-01-27USB: keyspan: fix null-deref at probeJohan Hovold
commit b5122236bba8d7ef62153da5b55cc65d0944c61e upstream. Fix null-pointer dereference during probe if the interface-status completion handler is called before the individual ports have been set up. Fixes: f79b2d0fe81e ("USB: keyspan: fix NULL-pointer dereferences and memory leaks") Reported-by: Richard <richjunk@pacbell.net> Tested-by: Richard <richjunk@pacbell.net> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-01-27USB: cp210x: add IDs for CEL USB sticks and MeshWorks devicesDavid Peterson
commit 1ae78a4870989a354028cb17dabf819b595e70e3 upstream. Added virtual com port VID/PID entries for CEL USB sticks and MeshWorks devices. Signed-off-by: David Peterson <david.peterson@cel.com> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-01-27USB: cp210x: fix ID for production CEL MeshConnect USB StickPreston Fick
commit 90441b4dbe90ba0c38111ea89fa093a8c9627801 upstream. Fixing typo for MeshConnect IDs. The original PID (0x8875) is not in production and is not needed. Instead it has been changed to the official production PID (0x8857). Signed-off-by: Preston Fick <pffick@gmail.com> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-01-27usb: dwc3: gadget: Stop TRB preparation after limit is reachedAmit Virdi
commit 39e60635a01520e8c8ed3946a28c2b98e6a46f79 upstream. DWC3 gadget sets up a pool of 32 TRBs for each EP during initialization. This means, the max TRBs that can be submitted for an EP is fixed to 32. Since the request queue for an EP is a linked list, any number of requests can be queued to it by the gadget layer. However, the dwc3 driver must not submit TRBs more than the pool it has created for. This limit wasn't respected when SG was used resulting in submitting more than the max TRBs, eventually leading to non-transfer of the TRBs submitted over the max limit. Root cause: When SG is used, there are two loops iterating to prepare TRBs: - Outer loop over the request_list - Inner loop over the SG list The code was missing break to get out of the outer loop. Fixes: eeb720fb21d6 (usb: dwc3: gadget: add support for SG lists) Signed-off-by: Amit Virdi <amit.virdi@st.com> Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-01-27usb: dwc3: gadget: Fix TRB preparation during SGAmit Virdi
commit ec512fb8e5611fed1df2895f90317ce6797d6b32 upstream. When scatter gather (SG) is used, multiple TRBs are prepared from one DWC3 request (dwc3_request). So while preparing TRBs, the 'last' flag should be set only when it is the last TRB being prepared from the last dwc3_request entry. The current implementation uses list_is_last to check if the dwc3_request is the last entry from the request_list. However, list_is_last returns false for the last entry too. This is because, while preparing the first TRB from a request, the function dwc3_prepare_one_trb modifies the request's next and prev pointers while moving the URB to req_queued. Hence, list_is_last always returns false no matter what. The correct way is not to access the modified pointers of dwc3_request but to use list_empty macro instead. Fixes: e5ba5ec833aa (usb: dwc3: gadget: fix scatter gather implementation) Signed-off-by: Amit Virdi <amit.virdi@st.com> Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-01-27OHCI: add a quirk for ULi M5237 blocking on resetArseny Solokha
commit 56abcab833fafcfaeb2f5b25e0364c1dec45f53e upstream. Commit 8dccddbc2368 ("OHCI: final fix for NVIDIA problems (I hope)") introduced into 3.1.9 broke boot on e.g. Freescale P2020DS development board. The code path that was previously specific to NVIDIA controllers had then become taken for all chips. However, the M5237 installed on the board wedges solid when accessing its base+OHCI_FMINTERVAL register, making it impossible to boot any kernel newer than 3.1.8 on this particular and apparently other similar machines. Don't readl() and writel() base+OHCI_FMINTERVAL on PCI ID 10b9:5237. The patch is suitable for the -next tree as well as all maintained kernels up to 3.2 inclusive. Signed-off-by: Arseny Solokha <asolokha@kb.kras.ru> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-01-16cdc-acm: memory leak in error caseOliver Neukum
commit d908f8478a8d18e66c80a12adb27764920c1f1ca upstream. If probe() fails not only the attributes need to be removed but also the memory freed. Reported-by: Ahmed Tamrawi <ahmedtamrawi@gmail.com> Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2015-01-16USB: cdc-acm: check for valid interfacesGreg Kroah-Hartman
commit 403dff4e2c94f275e24fd85f40b2732ffec268a1 upstream. We need to check that we have both a valid data and control inteface for both types of headers (union and not union.) References: https://bugzilla.kernel.org/show_bug.cgi?id=83551 Reported-by: Simon Schubert <2+kernel@0x2c.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-06USB: xhci: don't start a halted endpoint before its new dequeue is setMathias Nyman
commit c3492dbfa1050debf23a5b5cd2bc7514c5b37896 upstream. A halted endpoint ring must first be reset, then move the ring dequeue pointer past the problematic TRB. If we start the ring too early after reset, but before moving the dequeue pointer we will end up executing the same problematic TRB again. As we always issue a set transfer dequeue command after a reset endpoint command we can skip starting endpoint rings at reset endpoint command completion. Without this fix we end up trying to handle the same faulty TD for contol endpoints. causing timeout, and failing testusb ctrl_out write tests. Fixes: e9df17e (USB: xhci: Correct assumptions about number of rings per endpoint.) Tested-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-06usb-quirks: Add reset-resume quirk for MS Wireless Laser Mouse 6000Hans de Goede
commit 263e80b43559a6103e178a9176938ce171b23872 upstream. This wireless mouse receiver needs a reset-resume quirk to properly come out of reset. BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1165206 Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-06usb: serial: ftdi_sio: add PIDs for Matrix Orbital productsTroy Clark
commit 204ec6e07ea7aff863df0f7c53301f9cbbfbb9d3 upstream. Add PIDs for new Matrix Orbital GTT series products. Signed-off-by: Troy Clark <tclark@matrixorbital.ca> [johan: shorten commit message ] Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-06USB: serial: cp210x: add IDs for CEL MeshConnect USB StickPreston Fick
commit ffcfe30ebd8dd703d0fc4324ffe56ea21f5479f4 upstream. Signed-off-by: Preston Fick <pffick@gmail.com> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-06USB: keyspan: fix tty line-status reportingJohan Hovold
commit 5d1678a33c731b56e245e888fdae5e88efce0997 upstream. Fix handling of TTY error flags, which are not bitmasks and must specifically not be ORed together as this prevents the line discipline from recognising them. Also insert null characters when reporting overrun errors as these are not associated with the received character. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-06USB: keyspan: fix overrun-error reportingJohan Hovold
commit 855515a6d3731242d85850a206f2ec084c917338 upstream. Fix reporting of overrun errors, which are not associated with a character. Instead insert a null character and report only once. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-12-06USB: ssu100: fix overrun-error reportingJohan Hovold
commit 75bcbf29c284dd0154c3e895a0bd1ef0e796160e upstream. Fix reporting of overrun errors, which should only be reported once using the inserted null character. Fixes: 6b8f1ca5581b ("USB: ssu100: set tty_flags in ssu100_process_packet") Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-14usb: gadget: udc: core: fix kernel oops with soft-connectFelipe Balbi
[ Upstream commit bfa6b18c680450c17512c741ed1d818695747621 ] Currently, there's no guarantee that udc->driver will be valid when using soft_connect sysfs interface. In fact, we can very easily trigger a NULL pointer dereference by trying to disconnect when a gadget driver isn't loaded. Fix this bug: ~# echo disconnect > soft_connect [ 33.685743] Unable to handle kernel NULL pointer dereference at virtual address 00000014 [ 33.694221] pgd = ed0cc000 [ 33.697174] [00000014] *pgd=ae351831, *pte=00000000, *ppte=00000000 [ 33.703766] Internal error: Oops: 17 [#1] SMP ARM [ 33.708697] Modules linked in: xhci_plat_hcd xhci_hcd snd_soc_davinci_mcasp snd_soc_tlv320aic3x snd_soc_edma snd_soc_omap snd_soc_evm snd_soc_core dwc3 snd_compress snd_pcm_dmaengine snd_pcm snd_timer snd lis3lv02d_i2c matrix_keypad lis3lv02d dwc3_omap input_polldev soundcore [ 33.734372] CPU: 0 PID: 1457 Comm: bash Not tainted 3.17.0-09740-ga93416e-dirty #345 [ 33.742457] task: ee71ce00 ti: ee68a000 task.ti: ee68a000 [ 33.748116] PC is at usb_udc_softconn_store+0xa4/0xec [ 33.753416] LR is at mark_held_locks+0x78/0x90 [ 33.758057] pc : [<c04df128>] lr : [<c00896a4>] psr: 20000013 [ 33.758057] sp : ee68bec8 ip : c0c00008 fp : ee68bee4 [ 33.770050] r10: ee6b394c r9 : ee68bf80 r8 : ee6062c0 [ 33.775508] r7 : 00000000 r6 : ee6062c0 r5 : 0000000b r4 : ee739408 [ 33.782346] r3 : 00000000 r2 : 00000000 r1 : ee71d390 r0 : ee664170 [ 33.789168] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user [ 33.796636] Control: 10c5387d Table: ad0cc059 DAC: 00000015 [ 33.802638] Process bash (pid: 1457, stack limit = 0xee68a248) [ 33.808740] Stack: (0xee68bec8 to 0xee68c000) [ 33.813299] bec0: 0000000b c0411284 ee6062c0 00000000 ee68bef4 ee68bee8 [ 33.821862] bee0: c04112ac c04df090 ee68bf14 ee68bef8 c01c2868 c0411290 0000000b ee6b3940 [ 33.830419] bf00: 00000000 00000000 ee68bf4c ee68bf18 c01c1a24 c01c2818 00000000 00000000 [ 33.838990] bf20: ee61b940 ee2f47c0 0000000b 000ce408 ee68bf80 c000f304 ee68a000 00000000 [ 33.847544] bf40: ee68bf7c ee68bf50 c0152dd8 c01c1960 ee68bf7c c0170af8 ee68bf7c ee2f47c0 [ 33.856099] bf60: ee2f47c0 000ce408 0000000b c000f304 ee68bfa4 ee68bf80 c0153330 c0152d34 [ 33.864653] bf80: 00000000 00000000 0000000b 000ce408 b6e7fb50 00000004 00000000 ee68bfa8 [ 33.873204] bfa0: c000f080 c01532e8 0000000b 000ce408 00000001 000ce408 0000000b 00000000 [ 33.881763] bfc0: 0000000b 000ce408 b6e7fb50 00000004 0000000b 00000000 000c5758 00000000 [ 33.890319] bfe0: 00000000 bec2c924 b6de422d b6e1d226 40000030 00000001 75716d2f 00657565 [ 33.898890] [<c04df128>] (usb_udc_softconn_store) from [<c04112ac>] (dev_attr_store+0x28/0x34) [ 33.907920] [<c04112ac>] (dev_attr_store) from [<c01c2868>] (sysfs_kf_write+0x5c/0x60) [ 33.916200] [<c01c2868>] (sysfs_kf_write) from [<c01c1a24>] (kernfs_fop_write+0xd0/0x194) [ 33.924773] [<c01c1a24>] (kernfs_fop_write) from [<c0152dd8>] (vfs_write+0xb0/0x1bc) [ 33.932874] [<c0152dd8>] (vfs_write) from [<c0153330>] (SyS_write+0x54/0xb0) [ 33.940247] [<c0153330>] (SyS_write) from [<c000f080>] (ret_fast_syscall+0x0/0x48) [ 33.948160] Code: e1a01007 e12fff33 e5140004 e5143008 (e5933014) [ 33.954625] ---[ end trace f849bead94eab7ea ]--- Fixes: 2ccea03 (usb: gadget: introduce UDC Class) Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-14usb: gadget: function: acm: make f_acm pass USB20CV Chapter9Felipe Balbi
[ Upstream commit 52ec49a5e56a27c5b6f8217708783eff39f24c16 ] During Halt Endpoint Test, our interrupt endpoint will be disabled, which will clear out ep->desc to NULL. Unless we call config_ep_by_speed() again, we will not be able to enable this endpoint which will make us fail that test. Fixes: f9c56cd (usb: gadget: Clear usb_endpoint_descriptor inside the struct usb_ep on disable) Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-14usb: dwc3: gadget: fix set_halt() bug with pending transfersFelipe Balbi
[ Upstream commit 7a60855972f0d3c014093046cb6f013a1ee5bb19 ] According to our Gadget Framework API documentation, ->set_halt() *must* return -EAGAIN if we have pending transfers (on either direction) or FIFO isn't empty (on TX endpoints). Fix this bug so that the mass storage gadget can be used without stall=0 parameter. This patch should be backported to all kernels since v3.2. Suggested-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-14usb: Do not allow usb_alloc_streams on unconfigured devicesHans de Goede
commit 90a646c770c50cc206ceba0d7b50453c46c13c36 upstream. This commit fixes the following oops: [10238.622067] scsi host3: uas_eh_bus_reset_handler start [10240.766164] usb 3-4: reset SuperSpeed USB device number 3 using xhci_hcd [10245.779365] usb 3-4: device descriptor read/8, error -110 [10245.883331] usb 3-4: reset SuperSpeed USB device number 3 using xhci_hcd [10250.897603] usb 3-4: device descriptor read/8, error -110 [10251.058200] BUG: unable to handle kernel NULL pointer dereference at 0000000000000040 [10251.058244] IP: [<ffffffff815ac6e1>] xhci_check_streams_endpoint+0x91/0x140 <snip> [10251.059473] Call Trace: [10251.059487] [<ffffffff815aca6c>] xhci_calculate_streams_and_bitmask+0xbc/0x130 [10251.059520] [<ffffffff815aeb5f>] xhci_alloc_streams+0x10f/0x5a0 [10251.059548] [<ffffffff810a4685>] ? check_preempt_curr+0x75/0xa0 [10251.059575] [<ffffffff810a46dc>] ? ttwu_do_wakeup+0x2c/0x100 [10251.059601] [<ffffffff810a49e6>] ? ttwu_do_activate.constprop.111+0x66/0x70 [10251.059635] [<ffffffff815779ab>] usb_alloc_streams+0xab/0xf0 [10251.059662] [<ffffffffc0616b48>] uas_configure_endpoints+0x128/0x150 [uas] [10251.059694] [<ffffffffc0616bac>] uas_post_reset+0x3c/0xb0 [uas] [10251.059722] [<ffffffff815727d9>] usb_reset_device+0x1b9/0x2a0 [10251.059749] [<ffffffffc0616f42>] uas_eh_bus_reset_handler+0xb2/0x190 [uas] [10251.059781] [<ffffffff81514293>] scsi_try_bus_reset+0x53/0x110 [10251.059808] [<ffffffff815163b7>] scsi_eh_bus_reset+0xf7/0x270 <snip> The problem is the following call sequence (simplified): 1) usb_reset_device 2) usb_reset_and_verify_device 2) hub_port_init 3) hub_port_finish_reset 3) xhci_discover_or_reset_device This frees xhci->devs[slot_id]->eps[ep_index].ring for all eps but 0 4) usb_get_device_descriptor This fails 5) hub_port_init fails 6) usb_reset_and_verify_device fails, does not restore device config 7) uas_post_reset 8) xhci_alloc_streams NULL deref on the free-ed ring This commit fixes this by not allowing usb_alloc_streams to continue if the device is not configured. Note that we do allow usb_free_streams to continue after a (logical) disconnect, as it is necessary to explicitly free the streams at the xhci controller level. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-14USB: opticon: fix non-atomic allocation in write pathJohan Hovold
commit e681286de221af78fc85db9222b6a203148c005a upstream. Write may be called from interrupt context so make sure to use GFP_ATOMIC for all allocations in write. Fixes: 0d930e51cfe6 ("USB: opticon: Add Opticon OPN2001 write support") Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-14usb-storage: handle a skipped data phaseAlan Stern
commit 93c9bf4d1838d5851a18ca398b0ad66397f05056 upstream. Sometimes mass-storage devices using the Bulk-only transport will mistakenly skip the data phase of a command. Rather than sending the data expected by the host or sending a zero-length packet, they go directly to the status phase and send the CSW. This causes problems for usb-storage, for obvious reasons. The driver will interpret the CSW as a short data transfer and will wait to receive a CSW. The device won't have anything left to send, so the command eventually times out. The SCSI layer doesn't retry commands after they time out (this is a relatively recent change). Therefore we should do our best to detect a skipped data phase and handle it promptly. This patch adds code to do that. If usb-storage receives a short 13-byte data transfer from the device, and if the first four bytes of the data match the CSW signature, the driver will set the residue to the full transfer length and interpret the data as a CSW. This fixes Bugzilla #86611. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> CC: Matthew Dharm <mdharm-usb@one-eyed-alien.net> Tested-by: Paul Osmialowski <newchief@king.net.pl> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-14usb: dwc3: gadget: Properly initialize LINK TRBJack Pham
commit 1200a82a59b6aa65758ccc92c3447b98c53cd7a2 upstream. On ISOC endpoints the last trb_pool entry used as a LINK TRB is not getting zeroed out correctly due to memset being called incorrectly and in the wrong place. If pool allocated from DMA was not zero-initialized to begin with this will result in the size and ctrl values being random garbage. Call memset correctly after assignment of the trb_link pointer. Fixes: f6bafc6a1c ("usb: dwc3: convert TRBs into bitshifts") Signed-off-by: Jack Pham <jackp@codeaurora.org> Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-14USB: option: add Haier CE81B CDMA modemDan Williams
commit 012eee1522318b5ccd64d277d50ac32f7e9974fe upstream. Port layout: 0: QCDM/DIAG 1: NMEA 2: AT 3: AT/PPP Signed-off-by: Dan Williams <dcbw@redhat.com> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-14usb: option: add support for Telit LE910Daniele Palmas
commit 2d0eb862dd477c3c4f32b201254ca0b40e6f465c upstream. Add VID/PID for Telit LE910 modem. Interfaces description is almost the same than LE920, except that the qmi interface is number 2 (instead than 5). Signed-off-by: Daniele Palmas <dnlplm@gmail.com> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-14USB: cdc-acm: only raise DTR on transitions from B0Johan Hovold
commit 4473d054ceb572557954f9536731d39b20937b0c upstream. Make sure to only raise DTR on transitions from B0 in set_termios. Also allow set_termios to be called from open with a termios_old of NULL. Note that DTR will not be raised prematurely in this case. Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-14USB: cdc-acm: add device id for GW Instek AFG-2225Johan Hovold
commit cf84a691a61606a2e7269907d3727e2d9fa148ee upstream. Add device-id entry for GW Instek AFG-2225, which has a byte swapped bInterfaceSubClass (0x20). Reported-by: Karl Palsson <karlp@tweak.net.au> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-14usb: serial: ftdi_sio: add "bricked" FTDI device PIDPerry Hung
commit 7f2719f0003da1ad13124ef00f48d7514c79e30d upstream. An official recent Windows driver from FTDI detects counterfeit devices and reprograms the internal EEPROM containing the USB PID to 0, effectively bricking the device. Add support for this VID/PID pair to correctly bind the driver on these devices. See: http://hackaday.com/2014/10/22/watch-that-windows-update-ftdi-drivers-are-killing-fake-chips/ Signed-off-by: Perry Hung <iperry@gmail.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-14usb: serial: ftdi_sio: add Awinda Station and Dongle productsFrans Klaver
commit edd74ffab1f6909eee400c7de8ce621870aacac9 upstream. Add new IDs for the Xsens Awinda Station and Awinda Dongle. While at it, order the definitions by PID and add a logical separation between devices using Xsens' VID and those using FTDI's VID. Signed-off-by: Frans Klaver <frans.klaver@xsens.com> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-14USB: serial: cp210x: add Silicon Labs 358x VID and PIDNathaniel Ting
commit 35cc83eab097e5720a9cc0ec12bdc3a726f58381 upstream. Enable Silicon Labs Ember VID chips to enumerate with the cp210x usb serial driver. EM358x devices operating with the Ember Z-Net 5.1.2 stack may now connect to host PCs over a USB serial link. Signed-off-by: Nathaniel Ting <nathaniel.ting@silabs.com> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-15USB: cp210x: add support for Seluxit USB dongleAndreas Bomholtz
commit dee80ad12d2b1b304286a707fde7ab05d1fc7bab upstream. Added the Seluxit ApS USB Serial Dongle to cp210x driver. Signed-off-by: Andreas Bomholtz <andreas@seluxit.com> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-15USB: serial: cp210x: added Ketra N1 wireless interface supportJoe Savage
commit bfc2d7dfdd761ae3beccdb26abebe03cef042f46 upstream. Added support for Ketra N1 wireless interface, which uses the Silicon Labs' CP2104 USB to UART bridge with customized PID 8946. Signed-off-by: Joe Savage <joe.savage@goketra.com> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-15USB: Add device quirk for ASUS T100 Base Station keyboardLu Baolu
commit ddbe1fca0bcb87ca8c199ea873a456ca8a948567 upstream. This full-speed USB device generates spurious remote wakeup event as soon as USB_DEVICE_REMOTE_WAKEUP feature is set. As the result, Linux can't enter system suspend and S0ix power saving modes once this keyboard is used. This patch tries to introduce USB_QUIRK_IGNORE_REMOTE_WAKEUP quirk. With this quirk set, wakeup capability will be ignored during device configure. This patch could be back-ported to kernels as old as 2.6.39. Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-05usb: dwc3: core: fix ordering for PHY suspendFelipe Balbi
commit dc99f16f076559235c92d3eb66d03d1310faea08 upstream. We can't suspend the PHYs before dwc3_core_exit_mode() has been called, that's because the host and/or device sides might still need to communicate with the far end link partner. Fixes: 8ba007a (usb: dwc3: core: enable the USB2 and USB3 phy in probe) Suggested-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-05usb: dwc3: core: fix order of PM runtime callsFelipe Balbi
commit fed33afce0eda44a46ae24d93aec1b5198c0bac4 upstream. Currently, we disable pm_runtime before all register accesses are done, this is dangerous and might lead to abort exceptions due to the driver trying to access a register which is clocked by a clock which was long gated. Fix that by moving pm_runtime_put_sync() and pm_runtime_disable() as the last thing we do before returning from our ->remove() method. Fixes: 72246da (usb: Introduce DesignWare USB3 DRD Driver) Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-05usb: host: xhci: fix compliance mode workaroundFelipe Balbi
commit 96908589a8b2584b1185f834d365f5cc360e8226 upstream. Commit 71c731a (usb: host: xhci: Fix Compliance Mode on SN65LVP3502CP Hardware) implemented a workaround for a known issue with Texas Instruments' USB 3.0 redriver IC but it left a condition where any xHCI host would be taken out of reset if port was placed in compliance mode and there was no device connected to the port. That condition would trigger a fake connection to a non-existent device so that usbcore would trigger a warm reset of the port, thus taking the link out of reset. This has the side-effect of preventing any xHCI host connected to a Linux machine from starting and running the USB 3.0 Electrical Compliance Suite because the port will mysteriously taken out of compliance mode and, thus, xHCI won't step through the necessary compliance patterns for link validation. This patch fixes the issue by just adding a missing check for XHCI_COMP_MODE_QUIRK inside xhci_hub_report_usb3_link_state() when PORT_CAS isn't set. This patch should be backported to all kernels containing commit 71c731a. Fixes: 71c731a (usb: host: xhci: Fix Compliance Mode on SN65LVP3502CP Hardware) Cc: Alexis R. Cortes <alexis.cortes@ti.com> Cc: <stable@vger.kernel.org> # v3.2+ Signed-off-by: Felipe Balbi <balbi@ti.com> Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-05usb:hub set hub->change_bits when over-current happensShen Guang
commit 08d1dec6f4054e3613f32051d9b149d4203ce0d2 upstream. When we are doing compliance test with xHCI, we found that if we enable CONFIG_USB_SUSPEND and plug in a bad device which causes over-current condition to the root port, software will not be noticed. The reason is that current code don't set hub->change_bits in hub_activate() when over-current happens, and then hub_events() will not check the port status because it thinks nothing changed. If CONFIG_USB_SUSPEND is disabled, the interrupt pipe of the hub will report the change and set hub->event_bits, and then hub_events() will check what events happened.In this case over-current can be detected. Signed-off-by: Shen Guang <shenguang10@gmail.com> Acked-by: Alan Stern <stern@rowland.harvard.edu> Acked-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Cc: Frans Klaver <fransklaver@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-05usb: dwc3: omap: fix ordering for runtime pm callsFelipe Balbi
commit 81a60b7f5c143ab3cdcd9943c9b4b7c63c32fc31 upstream. we don't to gate clocks until our children are done with their remove path. Fixes: af310e9 (usb: dwc3: omap: use runtime API's to enable clocks) Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-05USB: EHCI: unlink QHs even after the controller has stoppedAlan Stern
commit 7312b5ddd47fee2356baa78c5516ef8e04eed452 upstream. Old code in ehci-hcd tries to expedite disabling endpoints after the controller has stopped, by destroying the endpoint's associated QH without first unlinking the QH. This was necessary back when the driver wasn't so careful about keeping track of the controller's state. But now we are careful about it, and the driver knows that when the controller isn't running, no unlinking delay is needed. Furthermore, skipping the unlink step will trigger a BUG() in qh_destroy() when the preceding QH is released, because the link pointer will be non-NULL. Removing the lines that skip the unlinking step and go directly to QH_STATE_IDLE fixes the problem. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Reported-by: Joe Lawrence <joe.lawrence@stratus.com> Tested-by: Joe Lawrence <joe.lawrence@stratus.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-05USB: storage: Add quirks for Entrega/Xircom USB to SCSI convertersMark
commit c80b4495c61636edc58fe1ce300f09f24db28e10 upstream. This patch adds quirks for Entrega Technologies (later Xircom PortGear) USB- SCSI converters. They use Shuttle Technology EUSB-01/EUSB-S1 chips. The US_FL_SCM_MULT_TARG quirk is needed to allow multiple devices on the SCSI chain to be accessed. Without it only the (single) device with SCSI ID 0 can be used. The standalone converter sold by Entrega had model number U1-SC25. Xircom acquired Entrega and re-branded the product line PortGear. The PortGear USB to SCSI Converter (model PGSCSI) is internally identical to the Entrega product, but later models may use a different USB ID. The Entrega-branded units have USB ID 1645:0007, as does my Xircom PGSCSI, but the Windows and Macintosh drivers also support 085A:0028. Entrega also sold the "Mac USB Dock", which provides two USB ports, a Mac (8-pin mini-DIN) serial port and a SCSI port. It appears to the computer as a four-port hub, USB-serial, and USB-SCSI converters. The USB-SCSI part may have initially used the same ID as the standalone U1-SC25 (1645:0007), but later production used 085A:0026. My Xircom PortGear PGSCSI has bcdDevice=0x0100. Units with bcdDevice=0x0133 probably also exist. This patch adds quirks for 1645:0007, 085A:0026 and 085A:0028. The Windows driver INF file also mentions 085A:0032 "PortStation SCSI Module", but I couldn't find any mention of that actually existing in the wild; perhaps it was cancelled before release? Signed-off-by: Mark Knibbs <markk@clara.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-05USB: storage: Add quirk for Ariston Technologies iConnect USB to SCSI adapterMark
commit b6a3ed677991558ce09046397a7c4d70530d15b3 upstream. Hi, The Ariston Technologies iConnect 025 and iConnect 050 (also known as e.g. iSCSI-50) are SCSI-USB converters which use Shuttle Technology/SCM Microsystems chips. Only the connectors differ; both have the same USB ID. The US_FL_SCM_MULT_TARG quirk is required to use SCSI devices with ID other than 0. I don't have one of these, but based on the other entries for Shuttle/ SCM-based converters this patch is very likely correct. I used 0x0000 and 0x9999 for bcdDeviceMin and bcdDeviceMax because I'm not sure which bcdDevice value the products use. Signed-off-by: Mark Knibbs <markk@clara.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-05USB: storage: Add quirk for Adaptec USBConnect 2000 USB-to-SCSI AdapterMark
commit 67d365a57a51fb9dece6a5ceb504aa381cae1e5b upstream. The Adaptec USBConnect 2000 is another SCSI-USB converter which uses Shuttle Technology/SCM Microsystems chips. The US_FL_SCM_MULT_TARG quirk is required to use SCSI devices with ID other than 0. I don't have a USBConnect 2000, but based on the other entries for Shuttle/ SCM-based converters this patch is very likely correct. I used 0x0000 and 0x9999 for bcdDeviceMin and bcdDeviceMax because I'm not sure which bcdDevice value the product uses. Signed-off-by: Mark Knibbs <markk@clara.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-05storage: Add single-LUN quirk for Jaz USB AdapterMark
commit c66f1c62e85927357e7b3f4c701614dcb5c498a2 upstream. The Iomega Jaz USB Adapter is a SCSI-USB converter cable. The hardware seems to be identical to e.g. the Microtech XpressSCSI, using a Shuttle/ SCM chip set. However its firmware restricts it to only work with Jaz drives. On connecting the cable a message like this appears four times in the log: reset full speed USB device number 4 using uhci_hcd That's non-fatal but the US_FL_SINGLE_LUN quirk fixes it. Signed-off-by: Mark Knibbs <markk@clara.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-05usb: hub: take hub->hdev reference when processing from eventlistJoe Lawrence
commit c605f3cdff53a743f6d875b76956b239deca1272 upstream. During surprise device hotplug removal tests, it was observed that hub_events may try to call usb_lock_device on a device that has already been freed. Protect the usb_device by taking out a reference (under the hub_event_lock) when hub_events pulls it off the list, returning the reference after hub_events is finished using it. Signed-off-by: Joe Lawrence <joe.lawrence@stratus.com> Suggested-by: David Bulkow <david.bulkow@stratus.com> for using kref Suggested-by: Alan Stern <stern@rowland.harvard.edu> for placement Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-05xhci: fix oops when xhci resumes from hibernate with hw lpm capable devicesMathias Nyman
commit 96044694b8511bc2b04df0776b4ba295cfe005c0 upstream. Resuming from hibernate (S4) will restart and re-initialize xHC. The device contexts are freed and will be re-allocated later during device reset. Usb core will disable link pm in device resume before device reset, which will try to change the max exit latency, accessing the device contexts before they are re-allocated. There is no need to zero (disable) the max exit latency when disabling hw lpm for a freshly re-initialized xHC. So check that device context exists before doing anything. The max exit latency will be set again after device reset when usb core enables the link pm. Reported-by: Imre Deak <imre.deak@intel.com> Tested-by: Imre Deak <imre.deak@intel.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-05xhci: Fix null pointer dereference if xhci initialization failsMathias Nyman
commit c207e7c50f31113c24a9f536fcab1e8a256985d7 upstream. If xhci initialization fails before the roothub bandwidth domains (xhci->rh_bw[i]) are allocated it will oops when trying to access rh_bw members in xhci_mem_cleanup(). Reported-by: Manuel Reimer <manuel.reimer@gmx.de> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-05USB: zte_ev: fix removed PIDsJohan Hovold
commit 3096691011d01cef56b243a5e65431405c07d574 upstream. Add back some PIDs that were mistakingly remove when reverting commit 73228a0538a7 ("USB: option,zte_ev: move most ZTE CDMA devices to zte_ev"), which apparently did more than its commit message claimed in that it not only moved some PIDs from option to zte_ev but also added some new ones. Fixes: 63a901c06e3c ("Revert "USB: option,zte_ev: move most ZTE CDMA devices to zte_ev"") Reported-by: Lei Liu <lei35151@163.com> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-05USB: ftdi_sio: add support for NOVITUS Bono E thermal printerJohan Hovold
commit ee444609dbae8afee420c3243ce4c5f442efb622 upstream. Add device id for NOVITUS Bono E thermal printer. Reported-by: Emanuel Koczwara <poczta@emanuelkoczwara.pl> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-05USB: sierra: add 1199:68AA device IDBjørn Mork
commit 5b3da69285c143b7ea76b3b9f73099ff1093ab73 upstream. This VID:PID is used for some Direct IP devices behaving identical to the already supported 0F3D:68AA devices. Reported-by: Lars Melin <larsm17@gmail.com> Signed-off-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-05USB: sierra: avoid CDC class functions on "68A3" devicesBjørn Mork
commit 049255f51644c1105775af228396d187402a5934 upstream. Sierra Wireless Direct IP devices using the 68A3 product ID can be configured for modes including a CDC ECM class function. The known example uses interface numbers 12 and 13 for the ECM control and data interfaces respectively, consistent with CDC MBIM function interface numbering on other Sierra devices. It seems cleaner to restrict this driver to the ff/ff/ff vendor specific interfaces rather than increasing the already long interface number blacklist. This should be more future proof if Sierra adds more class functions using interface numbers not yet in the blacklist. Signed-off-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-10-05USB: zte_ev: remove duplicate Qualcom PIDJohan Hovold
commit 754eb21c0bbbbc4b8830a9a864b286323b84225f upstream. Remove dublicate Qualcom PID 0x3197 which is already handled by the moto-modem driver since commit 6986a978eec7 ("USB: add new moto_modem driver for some Morotola phones"). Fixes: 799ee9243d89 ("USB: serial: add zte_ev.c driver") Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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