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2013-06-25staging: dwc2: fix thinko in dwc2_hc_set_even_odd_frame()Paul Zimmerman1-1/+1
I screwed up the sense of this if() statement while porting our vendor driver to create the dwc2 driver. This caused frame overrun errors on periodic transfers when there were other transfers active in the same (micro)frame. With this fix, the dwc2 driver now works on the Raspberry Pi platform even with the USB Ethernet controller enabled, where before that would cause all USB devices to stop working. Thanks to Ray Jui and Jerry Lin at Broadcom for tracking this down. Reported-by: Ray Jui <rjui@broadcom.com> Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-06-09Merge 3.10-rc5 into staging-nextGreg Kroah-Hartman1-3/+2
2013-06-03staging: dwc2: remove redundant D0 power state setYijing Wang1-2/+0
Pci_enable_device() will set device power state to D0, so it's no need to do it again in dwc2_driver_probe(). Signed-off-by: Yijing Wang <wangyijing@huawei.com> Acked-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-30staging: dwc2: fix value of dma_maskPaul Zimmerman1-3/+2
Passing the value DMA_BIT_MASK(31) to dma_set_mask() causes the dwc2-pci driver to sometimes fail (cannot enumerate the connected device). Change it to DMA_BIT_MASK(32) instead, which is a more sensible value anyway. Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-30staging: dwc2: change some dev_dbg() messages to dev_vdbg()Paul Zimmerman1-5/+5
Change some dev_dbg() messages in dwc2_hcd_hub_control() to dev_vdbg(), to prevent massive spew to the dmesg log when a device is disconnected. Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-27Merge 3.10-rc3 into staging-nextGreg Kroah-Hartman3-3/+9
We want the changes here, and we resolve the merge conflict that was happening in the nvec_kbd.c file. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-23Merge tag 'staging-3.10-rc2' of ↵Linus Torvalds3-2/+9
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging driver fixes from Greg Kroah-Hartman: "Here are some staging tree driver fixes for 3.10-rc2 The drivers/iio/ changes are here as they are still tied into drivers/staging/iio/. Nothing major, just a number of small bugfixes, and a larger documentation update for the ramster code." * tag 'staging-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (28 commits) staging: dwc2: remove compile warning for USB_DWC2_TRACK_MISSED_SOFS iio: exynos_adc: fix wrong structure extration in suspend and resume iio:common:st: added disable function after read info raw data iio: dac: Fix build error when CONFIG_SPI_MASTER=y && CONFIG_I2C=m staging:iio:light:tsl2x7x: fix the error handling in tsl2x7x_probe() staging/iio/mxs-lradc: fix preenable for multiple buffers staging: imx-drm: imx-tve: Check the return value of 'regulator_enable()' staging: video: imx: Select VIDEOMODE_HELPERS for parallel display staging: ramster: add how-to document staging: dwc2: Fix dma-enabled platform devices using a default dma_mask staging: vt6656: [bug] Fix missing spin lock in iwctl_siwpower. staging: Swap zram and zsmalloc in Kconfig staging: android: logger: use kuid_t instead of uid_t staging: zcache: Fix incorrect module_param_array types staging/solo6x10: depend on CONFIG_FONTS staging/drm: imx: add missing dependencies staging: ste_rmi4: Suppress 'ignoring return value of ‘regulator_enable()' warning staging: sep: fix driver build and kconfig staging: nvec: cleanup childs on remove staging: nvec: implement unregistering of notifiers ...
2013-05-23Merge tag 'usb-3.10-rc2' of ↵Linus Torvalds1-1/+0
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB fixes from Greg Kroah-Hartman: "Here are a number of tiny USB bugfixes / new device ids for 3.10-rc2 The majority of these are USB gadget fixes, but they are all small. Other than that, some USB host controller fixes, and USB serial driver fixes for problems reported with them. Also hopefully a fixed up USB_OTG Kconfig dependancy, that one seems to be almost impossible to get right for all of the different platforms these days." * tag 'usb-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (56 commits) USB: cxacru: potential underflow in cxacru_cm_get_array() USB: ftdi_sio: Add support for Newport CONEX motor drivers USB: option: add device IDs for Dell 5804 (Novatel E371) WWAN card usb: ohci: fix goto wrong tag in err case usb: isp1760-if: fix memleak when platform_get_resource fail usb: ehci-s5p: fix memleak when fallback to pdata USB: serial: clean up chars_in_buffer USB: ti_usb_3410_5052: fix chars_in_buffer overhead USB: io_ti: fix chars_in_buffer overhead USB: ftdi_sio: fix chars_in_buffer overhead USB: ftdi_sio: clean up get_modem_status USB: serial: add generic wait_until_sent implementation USB: serial: add wait_until_sent operation USB: set device dma_mask without reference to global data USB: Blacklisted Cinterion's PLxx WWAN Interface usb: option: Add Telewell TW-LTE 4G USB: EHCI: remove bogus #error USB: reset resume quirk needed by a hub USB: usb-stor: realtek_cr: Fix compile error usb, chipidea: fix link error when USB_EHCI_HCD is a module ...
2013-05-23staging: dwc2: remove compile warning for USB_DWC2_TRACK_MISSED_SOFSPaul Zimmerman2-2/+1
Remove the compile-time warning for this config option, and instead warn that it is experimental in the Kconfig text Reported-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-18drivers/staging/dwc2: don't check resource with devm_ioremap_resourceWolfram Sang1-5/+0
devm_ioremap_resource does sanity checks on the given resource. No need to duplicate this in the driver. Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2013-05-18staging: dwc2: Fix dma-enabled platform devices using a default dma_maskMatthijs Kooijman1-0/+8
Platform devices added through OF usually do not have any dma_mask pointer set. If the hardware advertises DMA support, the driver will expect DMA buffers to be passed in, but the USB core will not do this due to lack of a dma mask, breaking all connectiviy. To fix this, set a default dma_mask by pointing it at the coherent_dma_mask and set their value to a 32 bit mask. This still allows any platform code to set any more specific mask if needed, but makes the driver work for most dma-enabled hardware. It would be great if this patch could be included in 3.10, since it is needed to make the dwc2 driver work on the ralink rt3052 target. Before, the plan was to set up the dma mask in MIPS platform code, but because of a similar change in ehci and the uglyness of the code for that, the plan for that infrastructure was dropped. This patch makes the setting of the dma_mask happen in the same way as the patch Stephen Warren (set device dma_mask without reference to global data). Signed-off-by: Matthijs Kooijman <matthijs@stdin.nl> Acked-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-17drivers/staging/dwc2: don't check resource with devm_ioremap_resourceWolfram Sang1-5/+0
devm_ioremap_resource does sanity checks on the given resource. No need to duplicate this in the driver. Signed-off-by: Wolfram Sang <wsa@the-dreams.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-17staging: dwc2: use devm_ioremap_resource()Laurent Navet1-3/+3
Replace a call to deprecated devm_request_and_ioremap by devm_ioremap_resource. Found with coccicheck and this semantic patch: scripts/coccinelle/api/devm_request_and_ioremap.cocci. Signed-off-by: Laurent Navet <laurent.navet@gmail.com> Reviewed-by: Matthijs Kooijman <matthijs@stdin.nl> Acked-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-17staging: dwc2/pci.c: add STMICRO vendor and device ID for STA2X11 boardFederico Vaga1-0/+4
Signed-off-by: Federico Vaga <federico.vaga@gmail.com> Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@st.com> Acked-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-17staging: dwc2: remove some useless debug printsMatthijs Kooijman1-5/+0
This removes some debug prints from pci.c and makes platform.c and pci.c a bit more similar again. Signed-off-by: Matthijs Kooijman <matthijs@stdin.nl> Acked-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-17staging: dwc2: add const to handling of dwc2_core_paramsStephen Warren4-5/+5
Now the functions use proper const annotations, the global variable with default params can be marked const, which prevents these values from being changed for a specific device (in theory there could be multiple controllers with different settings, for example). Signed-off-by: Stephen Warren <swarren@wwwdotorg.org> [matthijs@stdin.nl: Split patch from bigger patch, marked dwc2_module_params in pci.c as const and added commit message] Signed-off-by: Matthijs Kooijman <matthijs@stdin.nl> Acked-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-17staging: dwc2: remove unneeded checkMatthijs Kooijman1-2/+1
The value in params->enable_dynamic_fifo can only be true if the corresponding bit in hwcfg2 is set, this is already checked by dwc2_set_param_enable_dynamic_fifo. Signed-off-by: Matthijs Kooijman <matthijs@stdin.nl> Acked-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-17staging: dwc2: remove some device-mode related debug codeMatthijs Kooijman1-19/+0
This code appears to be partially incorrect. Since this is only debug code and only applies to device mode, it seems better to remove this code for now than to invest time fixing it. Signed-off-by: Matthijs Kooijman <matthijs@stdin.nl> Acked-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-17staging: dwc2: add helper variable to simplify codeMatthijs Kooijman1-4/+4
Now a register is masked only in once place, instead of twice. This makes the two uses of this value shorter so they no longer need to be linewrapped. Signed-off-by: Matthijs Kooijman <matthijs@stdin.nl> Acked-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-17staging: dwc2: use dwc2_hcd_get_frame_number where possibleMatthijs Kooijman2-11/+2
Before, there were two places that manually read the FRNUM registers, while there is a function to do this. Signed-off-by: Matthijs Kooijman <matthijs@stdin.nl> Acked-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-17staging: dwc2: replace some magic numbers by constantsMatthijs Kooijman1-6/+6
There were already macros for these, they just weren't being used in a few places. Signed-off-by: Matthijs Kooijman <matthijs@stdin.nl> Acked-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-17staging: dwc2: remove dummy interrupt handlingMatthijs Kooijman2-11/+1
The handling for the IC2INT and RESTOREDONE interrupts just cleared the interrupt flag, but did not do anything else. Since these interrupts are not enabled anywhere, they should never trigger and there should never be a need to clear their flags, so we can safely remove this code. Signed-off-by: Matthijs Kooijman <matthijs@stdin.nl> Acked-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-17staging: dwc2: rename dwc2_hcd_intr() to dwc2_handle_hcd_intr()Matthijs Kooijman3-4/+4
This makes the function name more clear and consistent with dwc2_handle_common_intr(). Signed-off-by: Matthijs Kooijman <matthijs@stdin.nl> Acked-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-17staging: dwc2: use irq_return_t for interrupt handlersMatthijs Kooijman4-13/+12
The top-level hcd interrupt handlers already used irq_return_t, but the functions to which it delegates the actual work and the common irq handler returned plain ints. In addition, they used the IRQ_RETVAL in the wrong way (but because of the values of the various constants, this didn't result in wrong behaviour). Signed-off-by: Stephen Warren <swarren@wwwdotorg.org> [matthijs@stdin.nl: Split patch from bigger patch and added commit message] Signed-off-by: Matthijs Kooijman <matthijs@stdin.nl> Acked-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-17staging: dwc2: do not use IRQF_DISABLEDMatthijs Kooijman1-1/+1
This flag is a deprecated NOOP, interrupt handlers are always run with interupts disabled. See commit 6932bf37 (genirq: Remove IRQF_DISABLED from core code), and include/linux/interrupt.h: * IRQF_DISABLED - keep irqs disabled when calling the action handler. * DEPRECATED. This flag is a NOOP and scheduled to be removed Signed-off-by: Matthijs Kooijman <matthijs@stdin.nl> Acked-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-05-15usb: phy: remove CONFIG_USB_OTG_UTILS once morePaul Bolle1-1/+0
The Kconfig symbol USB_OTG_UTILS was removed in the v3.10 merge window, in commit fd89149875 ("usb: phy: remove CONFIG_USB_OTG_UTILS"). But that symbol popped up again in a few places. Remove it there too. Acked-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Felipe Balbi <balbi@ti.com>
2013-04-23staging: dwc2: add platform device bindingsMatthijs Kooijman4-2/+152
This adds a dwc_platform.ko module that can be loaded by using compatible = "snps,dwc2" in a device tree. Signed-off-by: Matthijs Kooijman <matthijs@stdin.nl> Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-04-23staging: dwc2: check for null pointer before dereferencing itPaul Zimmerman1-6/+5
We were testing qtd->urb pointer for null after we had already dereferenced it Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-04-23staging: dwc2: add missing newlines to debug messagesPaul Zimmerman4-7/+7
A few debug messages were missing newlines, add them Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-04-23staging: dwc2: fix potential null pointer accessPaul Zimmerman1-5/+5
We were testing hsotg pointer for null after we had already dereferenced it Reported-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-04-13staging: dwc2: fix error return code in dwc2_hcd_init()Wei Yongjun1-0/+1
Fix to return a negative error code from the error handling case instead of 0, as returned elsewhere in this function. Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Reviewed-by: Matthijs Kooijman <matthijs@stdin.nl> Acked-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-04-12staging: dwc2: Make dwc2_set_uninitialized more specificMatthijs Kooijman3-3/+14
Before, it was a function that would set all members of a given struct containing only int members to -1. Now, it is renamed to dwc_set_all_params and it works only on the dwc2_core_params struct. This makes sure that all of the slightly dubious casting and assumptions happen inside the function instead of by the caller. Signed-off-by: Matthijs Kooijman <matthijs@stdin.nl> Acked-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-04-12staging: dwc2: set the driver name to "dwc2"Matthijs Kooijman2-2/+2
Previously, it was "dwc_otg", but this does not correspond to the directory name and might cause confusion with the old out-of-tree dwc_otg driver of which many versions circulate. Signed-off-by: Matthijs Kooijman <matthijs@stdin.nl> Acked-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-04-11staging: dwc2: register common irq handler in dwc2_core_initMatthijs Kooijman4-16/+20
Before, this was initialized in pci.c, after the dwc2_hcd_init was called and the interrupts were enabled. This opened up a small time window where common interrupts could be triggered, but there was no handler for them, causing them to keep triggering infinitely and locking up the machine. On my RT3052 board this bug could be easily reproduced by hardcoding the console log level to 8, so that a bunch of debug output from the dwc2 driver was generated inside this time window. This caused the interrupt lockup to occur almost every time. By requesting the irq inside dwc2_core_init and by disabling interrupts before calling dwc2_core_init instead of after, we can be sure the handler is registered before the interrupts are enabled, which should close this window. Reported-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Matthijs Kooijman <matthijs@stdin.nl> Acked-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-04-11staging: dwc2: don't pass IRQ_LEVEL to devm_request_irqMatthijs Kooijman1-1/+1
It seems this flag is intended to pass to irq_set_status_flags, not request_irq, and is not available on all architectures. Its value corresponds to IRQF_PROBE_SHARED, which shouldn't be needed for this driver, so removing this flag should be safe. Signed-off-by: Matthijs Kooijman <matthijs@stdin.nl> Acked-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-04-11staging: dwc2: toggle periodic debugging output separatelyMatthijs Kooijman6-171/+318
This adds a config option USB_DWC2_DEBUG_PERIODIC that allows debugging output be suppressed for periodic transfers. This helps when debugging non-periodic transfers while there are also periodic transfers going on (both to make the debug output less polluted and to prevent all CPU time going to debug messages). In addition, a debug message from dwc2_hcd_is_status_changed is removed entirely, since it often floods the log regardless of periodic transfers. Signed-off-by: Matthijs Kooijman <matthijs@stdin.nl> Cc: Paul Zimmerman <Paul.Zimmerman@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-26staging: dwc2: fix wrong setting of DMA masksPaul Zimmerman2-29/+29
We were setting the DMA masks in dwc2_driver_probe(), but that is before the driver parameters have been set to their default values. That meant the DMA masks could be set wrong. Fix it by moving the DMA mask setting into dwc2_hcd_init(), after the driver parameters have been set. Reported-by: Matthijs Kooijman <matthijs@stdin.nl> Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-26staging: dwc2: remove unneeded arguments from two functionsPaul Zimmerman3-16/+16
Remove the unneeded struct device *dev argument from dwc2_hcd_init() and dwc2_hcd_remove(), and pass in the value through the hsotg->dev member instead Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-26staging: dwc2: always release host channel after dequeueingMatthijs Kooijman1-4/+29
Previously, when an active urb was dequeued, its host channel would not always be released. There is some special handling for this in dwc2_hc_chhltd_intr_dma, but when it was the last urb/qtd in its qh, a safeguard in dwc2_hc_n_intr would short-circuit and prevent the regular interrupt handlers from running, without releasing the channel. This is easily triggered when using a 3G modem using the option driver. Opening and closing any ttyUSBx device will eat up a host channel that is forever unusable from that point on. Signed-off-by: Matthijs Kooijman <matthijs@stdin.nl> [paulz@synopsys.com: fixed comment style and added a couple of NULL checks] Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-15Staging: dwc2: remove a kfree(NULL)Dan Carpenter1-1/+0
dwc2_hcd_release() calls dwc2_hcd_free() which frees ->core_params and sets it to NULL. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-15staging: the DWC2 driver uses bus_to_virtStephen Rothwell1-0/+1
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-15staging: dwc2: fix compiler warningsPaul Zimmerman2-10/+11
Fix some compiler warnings when building for i386 arch. Reported by Fengguang's build-bot. Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-12staging: Hook the DWC2 driver into the build systemPaul Zimmerman2-0/+64
Add the DWC2 Kconfig and Makefile, and modify the staging Kconfig and Makefile to include them Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-12staging: PCI bus interface for the DWC2 driverPaul Zimmerman1-0/+198
This file contains the PCI bus interface "glue" for the DWC2 driver Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-12staging: HCD descriptor DMA support for the DWC2 driverPaul Zimmerman1-0/+1196
This file contains code to support the HCD descriptor DMA mode of the controller Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-12staging: HCD files for the DWC2 driverPaul Zimmerman4-0/+6442
These files contain the HCD code, and implement the Linux hc_driver API. Support for both slave mode and buffer DMA mode of the controller is included. Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-03-12staging: Core files for the DWC2 driverPaul Zimmerman4-0/+4652
The core code provides basic services for accessing and managing the DWC_otg hardware. These services are used by both the Host Controller Driver and (in future) the Peripheral Controller Driver. Signed-off-by: Paul Zimmerman <paulz@synopsys.com> Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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