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linux-next/drivers/usb/dwc2
Douglas Anderson 3bc04e28a0 usb: dwc2: host: Get aligned DMA in a more supported way
All other host controllers who want aligned buffers for DMA do it a
certain way.  Let's do that too instead of working behind the USB core's
back.  This makes our interrupt handler not take forever and also rips
out a lot of code, simplifying things a bunch.

This also has the side effect of removing the 65535 max transfer size
limit.

NOTE: The actual code to allocate the aligned buffers is ripped almost
completely from the tegra EHCI driver.  At some point in the future we
may want to add this functionality to the USB core to share more code
everywhere.

Signed-off-by: Douglas Anderson <dianders@chromium.org>
Acked-by: John Youn <johnyoun@synopsys.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: John Youn <johnyoun@synopsys.com>
Tested-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
2016-03-04 15:14:39 +02:00
..
core_intr.c usb: dwc2: host: Clear interrupts before handling them 2015-12-15 09:12:41 -06:00
core.c usb: dwc2: host: Get aligned DMA in a more supported way 2016-03-04 15:14:39 +02:00
core.h usb: dwc2: Improve handling of host and device hwparams 2015-12-22 12:00:51 -06:00
debug.h usb: dwc2: move debugfs code to a separate file 2015-04-29 15:18:25 -05:00
debugfs.c usb: dwc2: Use platform endianness when accessing registers 2015-09-27 10:54:31 -05:00
gadget.c usb: dwc2: gadget: Repair DSTS register decoding 2015-12-22 12:03:05 -06:00
hcd_ddma.c usb: dwc2: host: fix the data toggle error in full speed descriptor dma 2016-02-17 10:32:09 +02:00
hcd_intr.c usb: dwc2: host: Get aligned DMA in a more supported way 2016-03-04 15:14:39 +02:00
hcd_queue.c usb: dwc2: host: Get aligned DMA in a more supported way 2016-03-04 15:14:39 +02:00
hcd.c usb: dwc2: host: Get aligned DMA in a more supported way 2016-03-04 15:14:39 +02:00
hcd.h usb: dwc2: host: Get aligned DMA in a more supported way 2016-03-04 15:14:39 +02:00
hw.h usb: dwc2: host: fix descriptor list address masking 2015-12-15 09:12:41 -06:00
Kconfig usb: dwc2: USB_DWC2 should depend on HAS_DMA 2016-02-20 20:23:02 -08:00
Makefile usb: dwc2: remove dwc2_platform.ko 2015-04-29 15:20:11 -05:00
pci.c usb: dwc2: pci: Add device mode to the dwc2-pci driver 2015-03-11 15:08:17 -05:00
platform.c usb: dwc2: rockchip: Make the max_transfer_size automatic 2016-03-04 15:14:39 +02:00