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path: root/include/usb.h
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* dm: usb: Drop the get_dev() functionSimon Glass2016-05-17-1/+0
| | | | | | This function is implemented by the legacy block functions now. Drop it. Signed-off-by: Simon Glass <sjg@chromium.org>
* Fix spelling of "transferred".Vagrant Cascadian2016-03-22-2/+2
| | | | | | | Signed-off-by: Vagrant Cascadian <vagrant@debian.org> Acked-by: Marek Vasut <marex@denx.de> Reviewed-by: Simon Glass <sjg@chromium.org> Reviewed-by: Tom Rini <trini@konsulko.com>
* usb: Change power-on / scanning timeout handlingStefan Roese2016-03-20-0/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch changes the USB port scanning procedure and timeout handling in the following ways: a) The power-on delay in usb_hub_power_on() is now reduced to a value of max(100ms, "hub->desc.bPwrOn2PwrGood * 2"). The code does not wait using mdelay, instead usb_hub_power_on() will wait before querying the device in the scanning loop later. The total timeout for this hub, which is 1 second + "hub->desc.bPwrOn2PwrGood * 2" is calculated and will be used in the following per-port scanning loop as the timeout to detect active USB devices on this hub. b) Don't delay the minimum delay (for power to stabilize) in usb_hub_power_on(). Instead skip querying these devices in the scannig loop until the delay time is reached. c) The ports are now scanned in a quasi parallel way. The current code did wait for each (unconnected) port to reach its timeout and only then continue with the next port. This patch now changes this to scan all ports of all USB hubs quasi simultaneously. For this, all ports are added to a scanning list. This list is scanned until all ports are ready by either a) reaching the connection timeout (calculated earlier), or by b) detecting a USB device. This results in a faster USB scan time as the recursive scanning of USB hubs connected to the hub that's currently being scanned will start earlier. One small functional change to the original code is, that ports with overcurrent detection will now get rescanned multiple times (PORT_OVERCURRENT_MAX_SCAN_COUNT). Without this patch: starting USB... USB0: USB EHCI 1.00 scanning bus 0 for devices... 9 USB Device(s) found time: 20.163 seconds With this patch: starting USB... USB0: USB EHCI 1.00 scanning bus 0 for devices... 9 USB Device(s) found time: 1.822 seconds So ~18.3 seconds of USB scanning time reduction. Signed-off-by: Stefan Roese <sr@denx.de> Acked-by: Hans de Goede <hdegoede@redhat.com> Tested-by: Stephen Warren <swarren@nvidia.com>
* dm: Drop the block_dev_desc_t typedefSimon Glass2016-03-14-1/+1
| | | | | | | | | Use 'struct' instead of a typdef. Also since 'struct block_dev_desc' is long and causes 80-column violations, rename it to struct blk_desc. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Stephen Warren <swarren@nvidia.com>
* usb: Allow up to 7 storage devicesSimon Glass2016-01-07-1/+1
| | | | | | | | | | | The current limit of 5 is not enough for the driver model USB tests. Really we should not have a limit but the driver model code still uses the usb_dev_desc[] array, which has a limit. Increasing the limit by 2 should not bother anyone. Adjust it. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
* usb: Move determination of TT hub address/port into separate functionStefan Brüns2015-12-31-0/+12
| | | | | | | | | | | | | Start split and complete split tokens need the hub address and the downstream port of the first HS hub (device view). The core of the function was duplicated in both host/ehci_hcd and musb-new/usb-compat.h. Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Tested-by: Hans de Goede <hdegoede@redhat.com>
* usb: Alloc buffer for USB descriptor dynamicallyStefan Brüns2015-12-31-2/+3
| | | | | | | | | The configuration descriptor includes all interface, endpoint and auxiliary descriptors (e.g. report, union) so 512 bytes may not be enough. Signed-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de> Reviewed-by: Marek Vasut <marex@denx.de> Reviewed-by: Simon Glass <sjg@chromium.org>
* usb: sandbox: Add support for interrupt operationsSimon Glass2015-11-19-0/+11
| | | | | | | Allow USB device emulation to support interrupt URBs so that we can use USB keyboards with sandbox. Signed-off-by: Simon Glass <sjg@chromium.org>
* sandbox: usb: Allow finding a USB emulator for a deviceSimon Glass2015-11-19-0/+10
| | | | | | | | Each USB device has an emulator. Currently this can only be found by supplying the 'pipe' value, which contains the device number. Add a way to find it directly from the emulated device. Signed-off-by: Simon Glass <sjg@chromium.org>
* usb: Refactor USB tree output code for testingSimon Glass2015-11-19-0/+8
| | | | | | | Allow the 'usb tree' command to be used from test code, so that we can verify that it works correctly. Signed-off-by: Simon Glass <sjg@chromium.org>
* dm: Rename dev_get_parentdata() to dev_get_parent_priv()Simon Glass2015-10-23-1/+1
| | | | | | | | The current name is inconsistent with other driver model data access functions. Rename it and fix up all users. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Joe Hershberger <joe.hershberger@ni.com>
* usb: musb-new: CONFIG_MUSB prefix replacement with CONFIG_USB_MUSBPaul Kocialkowski2015-08-05-2/+2
| | | | | | | | | USB-related options are usually prefixed with CONFIG_USB and platform-specific adaptation for the MUSB controller already have a CONFIG_USB_MUSB prefix, so this switches all MUSB-related options to a CONFIG_USB_MUSB prefix, for consistency. Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
* dm: usb: Adjust the USB_DEVICE() macro namingSimon Glass2015-07-21-1/+17
| | | | | | | | | In Linux USB_DEVICE() is used to declare a USB device by vendor/device ID. We should follow the same convention in U-Boot. Rename the existing USB_DEVICE() macro to U_BOOT_USB_DEVICE() and bring in the USB_DEVICE() macro from Linux for use in U-Boot. Signed-off-by: Simon Glass <sjg@chromium.org>
* dm: usb: Correct the struct usb_driver_entry commentSimon Glass2015-07-21-2/+2
| | | | | | | The function documentation is incorrect. Fix it. Signed-off-by: Simon Glass <sjg@chromium.org> Acked-by: Marek Vasut <marex@denx.de>
* dm: usb: Allow usb host drivers to implement usb_reset_root_portHans de Goede2015-07-21-0/+5
| | | | | | | | | Allow usb uclass host drivers to implement usb_reset_root_port, this is used by single port usb hosts which do not emulate a hub, such as otg controllers. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Simon Glass <sjg@chromium.org>
* usb: Add an usb_device parameter to usb_reset_root_portHans de Goede2015-07-21-6/+2
| | | | | | | | | | | Add an usb_device parameter to usb_reset_root_port so that it knows which root-port it is resetting. This is necessary for proper device-model support for usb_reset_root_port. Also remove a duplicate declaration of usb_reset_root_port() from usb.h . Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Simon Glass <sjg@chromium.org>
* usb: usb_setup_device: Drop unneeded portnr function argumentHans de Goede2015-07-21-3/+3
| | | | | | | | Drop the unneeded portnr function argument, the portnr is part of the usb_device struct which is passed via the dev argument. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Simon Glass <sjg@chromium.org>
* usb: Drop device-model specific copy of usb_legacy_port_resetHans de Goede2015-07-21-8/+0
| | | | | | | | | | | | | | | The device-model usb_legacy_port_reset function calls the device-model usb_port_reset function which is a 1 on 1 copy of the non dm usb_legacy_port_reset and this is the only use of usb_port_reset in all of u-boot. Drop both, and alway use the usb_legacy_port_reset() version in common/usb.c . Also while at it make it static as it is only used in common/usb.c . Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Simon Glass <sjg@chromium.org>
* usb.h: Always declare usb function prototypesHans de Goede2015-06-19-15/+0
| | | | | | | | | | | | | | | There is no harm in declaring the function prototypes even if nothing implements them, and when CONFIG_DM_USB=y the various usb functions are available regardless of any controller drivers being enabled. This fixes compile warnings due to missing prototypes on ARCHs where the ARCH Kconfig always enables CONFIG_DM_USB and various usb drivers. One could argue that in the case of no controllers CONFIG_DM_USB should not be set, but this problem is typically seen during bringup of boards which do actually have usb controllers. Signed-off-by: Hans de Goede <hdegoede@redhat.com>
* usb: add device connection/disconnection detectionVincent Palatin2015-05-14-0/+2
| | | | | | | | | | | | Provide a function to detect USB device insertion/removal in order to avoid having to do USB enumeration in a tight loop when trying to detect peripheral hotplugging. Signed-off-by: Vincent Palatin <vpalatin@chromium.org> Reviewed-by: Stefan Reinauer <reinauer@chromium.org> Tested-by: Stefan Reinauer <reinauer@chromium.org> Signed-off-by: Simon Glass <sjg@chromium.org>
* dm: usb: Add support for companion controllersHans de Goede2015-05-14-0/+3
| | | | | | | | | | | | | | USB companion controllers must be scanned after the main controller has been scanned, so that any devices which the main controller which to hand over to the companion have actually been handed over before we scan the companion. As there are no guarantees that this will magically happen in the right order, split the scanning of the buses in 2 phases, first main controllers, and then companion controllers. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Simon Glass <sjg@chromium.org>
* dm: usb: Add support for interrupt queues to the dm usb codeHans de Goede2015-05-14-1/+47
| | | | | | | | | | | | | | | Interrupt endpoints typically are polled for a long time by the usb controller before they return anything, so calls to submit_int_msg() can take a long time to complete this. To avoid this the u-boot code has the an interrupt queue mechanism / API, add support for this to the driver-model usb code and implement it for the dm ehci code. See the added doc comments for more details. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Simon Glass <sjg@chromium.org>
* dm: usb: Copy over usb_device values from usb_scan_device() to final usb_deviceHans de Goede2015-05-05-7/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently we copy over a number of usb_device values stored in the on stack struct usb_device probed in usb_scan_device() to the final driver-model managed struct usb_device in usb_child_pre_probe() through usb_device_platdata, and then call usb_select_config() to fill in the rest. There are 3 problems with this approach: 1) It does not fill in enough fields before calling usb_select_config(), specifically it does not fill in ep0's maxpacketsize causing a div by zero exception in the ehci driver. 2) It unnecessarily redoes a number of usb requests making usb probing slower 3) Calling usb_select_config() a second time fails on some usb-1 devices plugged into usb-2 hubs, causing u-boot to not recognize these devices. This commit fixes these issues by removing (*) the usb_select_config() call from usb_child_pre_probe(), and instead of copying over things field by field through usb_device_platdata, store a pointer to the in stack usb_device (which is still valid when usb_child_pre_probe() gets called) and copy over the entire struct. *) Except for devices which are explictly instantiated through device-tree rather then discovered through usb_scan_device() such as emulated usb devices in the sandbox. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Simon Glass <sjg@chromium.org>
* dm: usb: Make usb_get_bus easier to use for callersHans de Goede2015-05-05-4/+3
| | | | | | | | | | | Make usb_get_bus easier to use for callers, by directly returning the bus rather then returning it via a pass-by-ref argument. This also removes the error checking from the current callers, as we already have an assert() for bus not being NULL in usb_get_bus(). Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Simon Glass <sjg@chromium.org>
* dm: usb: sandbox: Add a uclass for USB device emulationSimon Glass2015-04-18-1/+63
| | | | | | | | | | With sandbox we want to be able to emulate USB devices so that we can test the USB stack. Add a uclass to support this. It implements the same operations as a normal USB device driver, but in this case passes them on to an emulation driver. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
* dm: usb: Allow USB drivers to be declared and auto-probedSimon Glass2015-04-18-0/+107
| | | | | | | | | | | | | | | | | | | | | | | | | USB devices in U-Boot are currently probed only after all devices have been enumerated. Each type of device is probed by custom code, e.g.: - USB storage - Keyboard - Ethernet With driver model this approach doesn't work very well. We could build a picture of the bus and then go back and add the devices later, but this means that the data structures are incomplete for quite a while. It also does not follow the model of being able to bind a device when we discover it. We would prefer to have devices automatically be bound as the device is enumerated. This allows us to attach drivers to particular USB classes or product/vendor IDs. This is the method used by Linux. Add the required #defines from Linux, a way of declaring a USB driver and the logic to locate the correct driver given the USB device's descriptors. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
* dm: usb: Refactor port resetsSimon Glass2015-04-18-1/+17
| | | | | | | | Move the port reset code into its own function. Rename usb_hub_reset() to indicate that is is now a legacy function. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
* dm: usb: Adjust usb_alloc_new_device() to return an errorSimon Glass2015-04-18-2/+18
| | | | | | | | | | This function returns NULL on error at present. Adjust it so that we can return a real error, as is needed with driver model. Also improve the error handling in its caller, usb_hub_port_connect_change(), and adjust the code order to prepare for driver model. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
* dm: usb: Add a uclass for USB controllersSimon Glass2015-04-18-5/+280
| | | | | | | | Add a uclass that can represent a USB controller. For now we do not create devices for things attached to the controller. This will be added later. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Marek Vasut <marex@denx.de>
* usb: Convert protocol header structures to use explicitly sized variablesSergey Temerkhanov2015-04-14-9/+9
| | | | | | | | This patch converts USB protocol headers to use explicitly sized fields like the rest of the code Signed-off-by: Radha Mohan Chintakuntla <rchintakuntla@cavium.com> Signed-off-by: Sergey Temerkhanov <s.temerkhanov@gmail.com>
* musb-new: Add interrupt queue supportHans de Goede2015-01-18-1/+2
| | | | | | | Add interrupt queue support, so that a usb keyboard can be used without causing huge latencies. Signed-off-by: Hans de Goede <hdegoede@redhat.com>
* musb-new: Fix reset sequence when in host modeHans de Goede2015-01-18-0/+5
| | | | | | | | | | | | | | | | | | | | | | This commit fixes a number of issues with the reset sequence of musb-new in host mode: 1) Our usb device probe relies on a second device reset being done after the first descriptors read. Factor the musb reset code into a usb_reset_root_port function (and add this as an empty define for other controllers), and call this when a device has no parent. 2) Just like with normal usb controllers there needs to be a delay after reset, for normal usb controllers, this is handled in hub_port_reset, add a delay to usb_reset_root_port. 3) Sync the musb reset sequence with the upstream kernel, clear all bits of power except bits 4-7, and increase the time reset is asserted to 50 ms. With these fixes an usb keyboard I have now always enumerates properly, where as earlier it would only enumerare properly once every 5 tries. Signed-off-by: Hans de Goede <hdegoede@redhat.com>
* musb-new: Add sunxi musb controller supportHans de Goede2015-01-18-2/+2
| | | | | | | This is based on Jussi Kivilinna's work for the linux-sunxi-3.4 kernel to use the kernels musb driver instead of Allwinners own custom driver. Signed-off-by: Hans de Goede <hdegoede@redhat.com>
* usb: Add an interval parameter to create_int_queueHans de Goede2015-01-18-1/+1
| | | | | | | | Currently create_int_queue is only implemented by the ehci code, and that does not honor interrupt intervals, but other drivers which might also want to implement create_int_queue may honor intervals, so add an interval param. Signed-off-by: Hans de Goede <hdegoede@redhat.com>
* usb: include <asm/cache.h> and <part.h> from include/usb.hMasahiro Yamada2014-11-07-0/+2
| | | | | | | The header file include/usb.h references ARCH_DMA_MINALIGH and block_dev_desc_t, thus it must include <asm/cache.h> and <part.h>. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
* usb: Make pollable int support available outside of ehci-hcd.cHans de Goede2014-11-04-0/+9
| | | | Signed-off-by: Hans de Goede <hdegoede@redhat.com>
* usb: dwc2: Add driver for Synopsis DWC2 USB IP blockOleksandr Tymoshenko2014-10-22-1/+2
| | | | | | | | | | | | | | | | | | | This is the USB host controller used on the Altera SoCFPGA and Raspbery Pi. This code has three checkpatch warnings, but to make sure it stays at least readable and clear, these are not fixed. These bugs are in the USB request handling combinatorial logic, so any abstracting of those is out of question. Tested on DENX MCV (Altera SoCFPGA 5CSFXC6C6U23C8N) and RPi B+ (BCM2835). Signed-off-by: Oleksandr Tymoshenko <gonzo@bluezbox.com> Signed-off-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Marek Vasut <marex@denx.de> Cc: Chin Liang See <clsee@altera.com> Cc: Dinh Nguyen <dinguyen@altera.com> Acked-by: Pavel Machek <pavel@denx.de> Cc: Vince Bridgers <vbridger@altera.com> Tested-by: Dinh Nguyen <dinguyen@opensource.altera.com>
* usb: kbd: Allow "usb reset" to continue when an usb kbd is usedHans de Goede2014-10-06-1/+1
| | | | | | | | Use the new force parameter to make the stdio_deregister succeed, replacing stdin with a nulldev, and assume that the usb keyboard will come back after the reset. Signed-off-by: Hans de Goede <hdegoede@redhat.com>
* usb: dfu: fix boards wo USB cable detectionMateusz Zalega2014-05-05-10/+0
| | | | | | | | | | | | | | | | | | | | | | | | Former usb_cable_connected() patch broke compilation of boards which do not support this feature. I've renamed usb_cable_connected() to g_dnl_usb_cable_connected() and added its default implementation to gadget downloader driver code. There's only one driver of this kind and it's unlikely there'll be another, so there's no point in keeping it in /common. Previously this function was declared in usb.h. I've moved it, since it's more appropriate to keep it in g_dnl.h - usb.h seems to be intended for USB host implementation. Existing code, confronted with default -EOPNOTSUPP return value, continues as if the cable was connected. CONFIG_USB_CABLE_CHECK was removed. Change-Id: Ib9198621adee2811b391c64512f14646cefd0369 Signed-off-by: Mateusz Zalega <m.zalega@samsung.com> Acked-by: Marek Vasut <marex@denx.de> Acked-by: Lukasz Majewski <l.majewski@samsung.com>
* usb: ums: add ums exit feature by ctrl+c or by detach usb cablePrzemyslaw Marczak2013-11-08-0/+10
| | | | | | | | | | | | | | | This patch allows exiting from UMS mode to u-boot prompt by detaching usb cable or by pressing ctrl+c. Add new config: CONFIG_USB_CABLE_CHECK. If defined then board file should provide function: usb_cable_connected() (include/usb.h) that return 1 if cable is connected and 0 otherwise. Changes v2: - add a note to the README Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com> Cc: Marek Vasut <marex@denx.de>
* usb: add enum usb_init_type parameter to usb_lowlevel_initTroy Kisky2013-10-20-1/+1
| | | | | | This parameter will later be used to verify OTG ports. Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
* usb: rename board_usb_init_type to usb_init_typeTroy Kisky2013-10-20-13/+13
| | | | | | | | | | This will be used by usb_lowlevel_init so it will no longer be used by only board specific functions. Move definition of enum usb_init_type higher in file so that it will be available for usb_low_level_init. Signed-off-by: Troy Kisky <troy.kisky@boundarydevices.com>
* usb: new board-specific USB init interfaceMateusz Zalega2013-10-20-2/+28
| | | | | | | | | | | | | | This commit unifies board-specific USB initialization implementations under one symbol (usb_board_init), declaration of which is available in usb.h. New API allows selective initialization of USB controllers whenever needed. Signed-off-by: Mateusz Zalega <m.zalega@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Reviewed-by: Lukasz Majewski <l.majewski@samsung.com> Cc: Marek Vasut <marex@denx.de> Cc: Lukasz Majewski <l.majewski@samsung.com>
* USB: xHCI: Add stack support for xHCIVivek Gautam2013-10-20-1/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | This adds stack layer for eXtensible Host Controller Interface which facilitates use of USB 3.0 in host mode. Adapting xHCI host controller driver in linux-kernel by Sarah Sharp to needs in u-boot. Initial porting from Linux kernel version 3.4, with following top commit history of drivers/usb/host/xhci* : cf84055 xHCI: Cleanup isoc transfer ring when TD length mismatch found This adds the basic xHCI host controller driver with bare minimum features: - Control/Bulk transfer support has been added with required infrastructure for necessary xHC data structures. - Stream protocol hasn't been supported yet. - No support for quirky devices has been added. Signed-off-by: Vikas C Sajjan <vikas.sajjan@samsung.com> Signed-off-by: Julius Werner <jwerner@chromium.org> Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com> Cc: Simon Glass <sjg@chromium.org> Cc: Minkyu Kang <mk7.kang@samsung.com> Cc: Dan Murphy <dmurphy@ti.com> Cc: Marek Vasut <marex@denx.de>
* Add GPL-2.0+ SPDX-License-Identifier to source filesWolfgang Denk2013-07-24-18/+1
| | | | | | Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
* USB: SS: Add support for Super Speed USB interfaceVivek Gautam2013-05-05-0/+6
| | | | | | | | This adds usb framework support for super-speed usb, which will further facilitate to add stack support for xHCI. Signed-off-by: Vikas C Sajjan <vikas.sajjan@samsung.com> Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
* usb: Clean up newly allocated device nodes in case of configuration failureMilind Choudhary2012-12-17-0/+1
| | | | | | | | If probe of a newly connected device fails for some reason, clean up the allocated entry in usb_dev array. Signed-off-by: Milind Choudhary <milindc@codeaurora.org> Signed-off-by: Simon Glass <sjg@chromium.org>
* musb-new: omap2plus backend driverIlya Yanok2012-11-20-1/+2
| | | | | | | Backend driver for MUSB OTG controllers found on TI OMAP2/3/4 (tested only on OMAP3 Beagle). Signed-off-by: Ilya Yanok <ilya.yanok@cogentembedded.com>
* musb-new: am35x backend driverIlya Yanok2012-11-20-1/+1
| | | | | | | | | | | | | Backend driver for MUSB OTG controllers found on TI AM35x. It seems that on AM35X interrupt status registers can be updated _before_ core registers. As we don't use true interrupts in U-Boot and poll interrupt status registers instead this can result in interrupt handler being called with non-updated core registers. This confuses the code and result in hanged transfers. Add a small delay in am35x_interrupt as a workaround. Signed-off-by: Ilya Yanok <ilya.yanok@cogentembedded.com>
* musb-new: dsps backend driverIlya Yanok2012-11-20-1/+2
| | | | | | | Backend driver for MUSB OTG controllers found on TI AM33xx and TI81xx SoCs (tested with AM33xx only). Signed-off-by: Ilya Yanok <ilya.yanok@cogentembedded.com>
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