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2011-05-03usbcore: Refine USB3.0 device suspend and resumeAndiry Xu2-41/+41
In the past, we use USB2.0 request to suspend and resume a USB3.0 device. Actually, USB3.0 hub does not support Set/Clear PORT_SUSPEND request, instead, it uses Set PORT_LINK_STATE request. This patch makes USB3.0 device suspend/resume comply with USB3.0 specification. This patch fixes the issue that USB3.0 device can not be suspended when connected to a USB3.0 external hub. Signed-off-by: Andiry Xu <andiry.xu@amd.com> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2011-05-03xHCI: report USB3.0 portstatus comply with USB3.0 specificationAndiry Xu2-27/+66
USB3.0 specification has different wPortStatus and wPortChange definitions from USB2.0 specification. Since USB3 root hub and USB2 root hub are split now and USB3 hub only has USB3 protocol ports, we should modify the portstatus and portchange report of USB3 ports to comply with USB3.0 specification. Signed-off-by: Andiry Xu <andiry.xu@amd.com> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2011-05-03xHCI: Set link state supportAndiry Xu1-0/+41
This patch adds support for Set Port Feature(PORT_LINK_STATE) request. The most significant byte (bits 15..8) of the wIndex field specifies the U state the host software wants to put the link connected to the port into. This request is only valid when the PORT_ENABLE bit is set and the PORT_LINK_STATE should not be above value '5' (Rx.Detect). This request will be later used to replace the set/clear suspend USB3 protocol ports in hub driver. Signed-off-by: Andiry Xu <andiry.xu@amd.com> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2011-05-03xHCI: Clear link state change supportAndiry Xu1-0/+5
This patch adds support for Clear Port Feature(C_PORT_LINK_STATE) request from usbcore. Signed-off-by: Andiry Xu <andiry.xu@amd.com> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2011-05-03xHCI: warm reset supportAndiry Xu1-0/+11
This patch adds warm reset support to xhci hub control. It handles Set Port Feature(BH_PORT_RESET) and Clear Port Feature (C_BH_PORT_RESET) request from usbcore. Note warm reset is called BH reset some places in USB3.0 specification. Signed-off-by: Andiry Xu <andiry.xu@amd.com> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2011-05-03usb/ch9: use proper endianess for wBytesPerIntervalSebastian Andrzej Siewior3-3/+3
while going through Tatyana's changes for the gadget framework I noticed that this type is not defined as __le16. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2011-05-03xhci: Remove recursive call to xhci_handle_eventMatt Evans1-7/+11
Make the caller loop while there are events to handle, instead. Signed-off-by: Matt Evans <matt@ozlabs.org> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2011-05-03xhci: Add an assertion to check for virt_dev=0 bug.Matt Evans1-0/+11
During a "plug-unplug" stress test on an NEC xHCI card, a null pointer dereference was observed. xhci_address_device() dereferenced a null virt_dev (possibly an erroneous udev->slot_id?); this patch adds a WARN_ON & message to aid debug if it can be recreated. Signed-off-by: Matt Evans <matt@ozlabs.org> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2011-05-03xhci: Add rmb() between reading event validity & event data access.Matt Evans1-0/+5
On weakly-ordered systems, the reading of an event's content must occur after reading the event's validity. Signed-off-by: Matt Evans <matt@ozlabs.org> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2011-05-03xhci: Make xHCI driver endian-safeMatt Evans6-341/+360
This patch changes the struct members defining access to xHCI device-visible memory to use __le32/__le64 where appropriate, and then adds swaps where required. Checked with sparse that all accesses are correct. MMIO accesses use readl/writel so already are performed LE, but prototypes now reflect this with __le*. There were a couple of (debug) instances of DMA pointers being truncated to 32bits which have been fixed too. Signed-off-by: Matt Evans <matt@ozlabs.org> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
2011-04-30xhci-hcd: Include <linux/slab.h> in xhci-pci.cBen Hutchings1-0/+1
Commit b02d0ed677acb3465e7600366f2353413bf24074 ('xhci: Change hcd_priv into a pointer') added calls to kzalloc() and kfree() in xhci-pci.c. On most architectures <linux/slab.h> is indirectly included, but on some it is not. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Cc: Sarah Sharp <sarah.a.sharp@linux.intel.com>, Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30usb: core: Change usb_create_sysfs_intf_files()' return type to voidMichal Nazarewicz3-11/+7
The usb_create_sysfs_intf_files() function always returned zero even if it failed to create sysfs fails. Since this is a desired behaviour there is no need to return return code at all. This commit changes function's return type (form int) to void. Signed-off-by: Michal Nazarewicz <mina86@mina86.com> Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30USB: add queued-unlinks test case to usbtest driverAlan Stern1-2/+118
This patch (as1452b) adds a new test case to the usbtest driver. Test 24 exercises the unlink-from-queue pathways in the host. It queues a user-specified number of bulk-OUT URBs of user-specified size, unlinks the fourth- and second-from-last URBs in the queue, and then waits to see if all the URBs complete in the expected way (except of course that the unlinked URBs might complete normally, if they weren't unlinked soon enough). This new test has confirmed the existence of a bug in the ehci-hcd driver, to be fixed by a separate patch. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30USB: ehci: tegra: fix USB1 port reset issueJim Lin1-0/+72
Tegra USB1 port needs to issue Port Reset twice internally, otherwise it fails to enumerate devices attached to it Signed-off-by: Jim Lin <jilin@nvidia.com> Signed-off-by: Olof Johansson <olofj@chromium.org> [ squash two patches into one and minor style cleanups ] Signed-off-by: Mike Rapoport <mike@compulab.co.il> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30USB: ohci-s3c2410: use resource_size()Jingoo Han1-1/+1
This patch uses the resource_size help function instead of manually calculating the resource size. It can reduce the chance of introducing off-by-one errors. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30USB: ohci-s3c2410: use __devinit and __devexit macros for probe and removeJingoo Han1-3/+3
The __devinit and __devexit macros were added to probe and remove functions. The macros move the probe and remove functions to the devinit and devexit sections. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30usb: gadget: storage_common: use kstrto*() [bug fix]Michal Nazarewicz1-1/+2
This commit fixes an embarrassing bug in the "storage_common: use kstrto*()" patch which caused fsg_store_ro() to return zero instead of the length of the consumed buffer. Signed-off-by: Michal Nazarewicz <mina86@mina86.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30usb/dummy_hcd: don't probe for udc if hcd failedSebastian Andrzej Siewior1-1/+20
the_controller is allocated in dummy_hcd_probe() and is NULL if the allocation failed. The probe function of the udc driver is dereferencing this pointer and fault. Alan Stern suggested to abort the dummy_hcd driver probing so the module is not loaded. The is abort-on-error has been also added to the udc driver. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30usb/hcd: don't return 0 on error in usb_add_hcd()Sebastian Andrzej Siewior1-0/+1
If USB type detections fails, we run into default and return 0. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30usb: renesas_usbhs: add autonomy modeKuninori Morimoto4-7/+95
Current renesas_usbhs was designed to save power when USB is not connected. And it assumed platform uses callback to notify connection/disconnection by external interrupt. But some SuperH / platform board doesn't have such feature. This patch adds autonomy mode which detect USB connection/disconnection by internal interrupt. But power will be always ON when autonomy mode is selected. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30usb: renesas_usbhs: use delayed_work instead of work_structKuninori Morimoto3-5/+14
This delay is used to overjump debounce. And, this patch also move usbhsc_drvcllbck_notify_hotplug to global, because it will be called from other files. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30usb: renesas_usbhs: prevent NULL pointer crashKuninori Morimoto1-15/+19
usbhs_status_get_each_irq/usbhs_irq_callback_update might be called with mod == NULL Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30usb: renesas_usbhs: add power control functionKuninori Morimoto1-13/+29
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30usb: renesas_usbhs: move pdev_to_priv to globalKuninori Morimoto2-7/+8
usbhs_pdev_to_priv function will be used in other files. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30usb: renesas_usbhs: add error reason for usbhs_pipe_mallocKuninori Morimoto1-1/+4
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30usb: renesas_usbhs: remove callback when module removed.Kuninori Morimoto2-1/+5
The callback function which is called from platform must be removed if module removed. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30usb: renesas_usbhs: return error if wrong recip requestKuninori Morimoto1-0/+4
There are some USB Host which doesn't notice disconnection at once. And it might try some request after reconnection with old settings. Current renesas_usbhs will crash in such case. This patch prevent this issue. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30usb: renesas_usbhs: modify spinlock methodKuninori Morimoto1-36/+61
Current renesas_usbhs driver was using spin_trylock to avoid dead lock / nest lock. But acording to CONFIG_DEBUG_SPINLOCK, it is BUG under UP environment. This patch add usbhsg_trylock to avoid this issue. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30usb: renesas_usbhs: don't re-allocation pipe bufferKuninori Morimoto1-3/+17
Because pipe buffer allocation is very picky and difficult, current renesas_usbhs driver is not caring pipe re-allocation. In this situation, driver will create new pipe without caring old pipe if "usbhsg_ep_enable" is called after "usbhsg_ep_disable" on current driver. This mean the limited pipe and buffer will be used as waste. But it is possible to re-use same buffer to same pipe. By this patch, driver will initialize pipe when it detected new connection or new gadget, and doesn't try re-allocation for same pipe in above case. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30usb: renesas_usbhs: modify fifo clear timingKuninori Morimoto1-10/+4
Pipe buffer should be cleaned before using it, but should NOT be cleaned in pipe "prepare" function. Because the pipe might be working in such timing. This patch fixup this issue. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30USB: g_printer required set interface requestJonas Andersson1-0/+2
g_printer reqiured "set interface" request from host. Not all hosts send this request. This patch enable the interface when it get "set configuration" request from host. Signed-off-by: Jonas Andersson <jonas@microbit.se> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30USB: dbpg gadget: dont mask out direction bitSven Schnelle1-2/+2
Stripping the direction bit off will produce an invalid descriptor. Signed-off-by: Sven Schnelle <svens@stackframe.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30USB: dbgp gadget: set MaxpacketSize0Sven Schnelle1-0/+1
The current code doesn't set it, so linux complains about it when connected, and ignores the device: [104611.068082] usb 1-5: new high speed USB device using ehci_hcd and address 127 [104611.088368] usb 1-5: Invalid ep0 maxpacket: 0 Signed-off-by: Sven Schnelle <svens@stackframe.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30USB: dbgp gadget: fix return value of dbgp_setupSven Schnelle1-5/+4
Current code returns 0 even if it can't handle the request. This leads to timeouts when an unhandled request is sent: Bus 001 Device 003: ID 0525:c0de Netchip Technology, Inc. Device Descriptor: [..] can't get device qualifier: Connection timed out [..] change the code to return EOPNOTSUPP in such cases. Signed-off-by: Sven Schnelle <svens@stackframe.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30usb: renesas_usbhs: Driver is depend on SuperHKuninori Morimoto1-0/+1
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30usb: renesas_usbhs: fixup cast warningKuninori Morimoto1-2/+1
This patch fixup cast warning on 64 bit compiler Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Reported-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30USB: documentation update for the pre_reset methodAlan Stern2-5/+9
This patch (as1459) updates the documentation for the pre_reset method in struct usb_driver. When a driver is notified of an impending reset, it must cancel all outstanding I/O and not start any new I/O until it has been notified that the reset is complete. As far as I know, most existing drivers that implement pre_reset do this now. The major exceptions appear to be the SpeedTouch and CDC-WDM drivers. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30Bind only modem AT command endpoint to option module.Marius B. Kotsbak1-1/+7
Network interface is handled by upcoming gt_b3730 module. Removed "GT-B3710" from comment, it is another modem with another USB ID. Signed-off-by: Marius B. Kotsbak <marius@kotsbak.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30USB: cdc-wdm: reset handling according to new requirementsOliver Neukum1-0/+14
This patch - ensures no IO takes place during resets - reports resets to user space Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30USB: gamin_gps: Fix for data transfer problems in native modeHermann Kneissel1-7/+13
This patch fixes a problem where data received from the gps is sometimes transferred incompletely to the serial port. If used in native mode now all data received via the bulk queue will be forwarded to the serial port. Signed-off-by: Hermann Kneissel <herkne@gmx.de> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30USB: gadget: g_multi: fixed vendor and product ID in inf filesMichal Nazarewicz2-5/+5
Commit 1c6529e92b "USB: gadget: g_multi: fixed vendor and product ID" replaced g_multi's vendor and product ID with proper ID's from Linux Foundation. This commit now updates INF files in the Documentation/usb directory which were omitted in the original commit. Signed-off-by: Michal Nazarewicz <mina86@mina86.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30USB: serial: ftdi_sio: adding support for TavIR STK500Benedek László2-0/+6
Adding support for the TavIR STK500 (id 0403:FA33) Atmel AVR programmer device based on FTDI FT232RL. Signed-off-by: Benedek László <benedekl@gmail.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30USB: moto_modem: Add USB identifier for the Motorola VE240.Elizabeth Jennifer Myers1-0/+1
Tested on my phone, the ttyUSB device is created and is fully functional. Signed-off-by: Elizabeth Jennifer Myers <elizabeth@sporksirc.net> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-30USB: CP210x Add 4 Device IDs for AC-Services DevicesCraig Shelley1-0/+4
This patch adds 4 device IDs for CP2102 based devices manufactured by AC-Services. See http://www.ac-services.eu for further info. Signed-off-by: Craig Shelley <craig@microtron.org.uk> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-19Merge 2.6.39-rc4 into usb-nextGreg Kroah-Hartman58-657/+4776
This is needed to help resolve some xhci issues and other minor differences. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-19Linux 2.6.39-rc4v2.6.39-rc4Linus Torvalds1-1/+1
2011-04-19Merge branch 'for-39-rc4' of git://codeaurora.org/quic/kernel/davidb/linux-msmLinus Torvalds2-5/+2
* 'for-39-rc4' of git://codeaurora.org/quic/kernel/davidb/linux-msm: msm: timer: fix missing return value msm: Remove extraneous ffa device check
2011-04-19Merge branch 'for-linus' of ↵Linus Torvalds8-26/+361
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: xen-kbdfront - fix mouse getting stuck after save/restore Input: estimate number of events per packet Input: evdev - indicate buffer overrun with SYN_DROPPED Input: document event types and codes and their intended use Input: add KEY_IMAGES specifically for AL Image Browser Input: twl4030_keypad - fix potential NULL dereference in twl4030_kp_probe() Input: h3600_ts - fix error handling at connect Input: twl4030_keypad - avoid potential NULL-pointer dereference
2011-04-19Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds18-187/+186
* 'for-linus' of git://git.kernel.dk/linux-2.6-block: block: add blk_run_queue_async block: blk_delay_queue() should use kblockd workqueue md: fix up raid1/raid10 unplugging. md: incorporate new plugging into raid5. md: provide generic support for handling unplug callbacks. md - remove old plugging code. md/dm - remove remains of plug_fn callback. md: use new plugging interface for RAID IO. block: drop queue lock before calling __blk_run_queue() for kblockd punt Revert "block: add callback function for unplug notification" block: Enhance new plugging support to support general callbacks
2011-04-18Merge branch 'merge' of ↵Linus Torvalds11-26/+81
git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc * 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: powerpc/powermac: Build fix with SMP and CPU hotplug powerpc/perf_event: Skip updating kernel counters if register value shrinks powerpc: Don't write protect kernel text with CONFIG_DYNAMIC_FTRACE enabled powerpc: Fix oops if scan_dispatch_log is called too early powerpc/pseries: Use a kmem cache for DTL buffers powerpc/kexec: Fix regression causing compile failure on UP powerpc/85xx: disable Suspend support if SMP enabled powerpc/e500mc: Remove CPU_FTR_MAYBE_CAN_NAP/CPU_FTR_MAYBE_CAN_DOZE powerpc/book3e: Fix CPU feature handling on 64-bit e5500 powerpc: Check device status before adding serial device powerpc/85xx: Don't add disabled PCIe devices
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