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2f3ed17e01
linux/drivers/usb/host
History
Dan Streetman c065c60e83 USB: ehci-sched.c: EHCI SITD scheduling bugfix 
Without this patch, the driver won't check that the last fully-occupied
uframe for a new split transaction was vacant beforehand.  This can
lead to a situation in which the first 188 bytes of a 192-byte
isochronous transfer are scheduled in the same uframe as an existing
interrupt transfer.  The resulting schedule looks like this:

       uframe 0: 188-byte isoc-OUT SSPLIT, 8-byte int-IN SSPLIT
       uframe 1: 4-byte isoc-OUT SSPLIT

The SSPLITs are intermingled, causing an error in the downstream hub's
TT.

If you are having problems with devices or hub ports resetting, or failed
interrupt transfers, when you start using a USB audio or video (Isochronous)
device, this patch may help.


Signed-off-by: Dan Streetman <ddstreet@ieee.org>
Reported-by: Kung James <kong1191@gmail.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Alan Stern <stern@rowland.harvard.edu>
2009-04-23 14:15:28 -07:00
..
whci USB: whci-hcd: check return value of usb_hcd_link_urb_to_ep() 2009-04-17 10:50:27 -07:00
ehci-au1xxx.c
ehci-dbg.c
ehci-fsl.c
ehci-fsl.h
ehci-hcd.c dma-mapping: replace all DMA_64BIT_MASK macro with DMA_BIT_MASK(64) 2009-04-07 08:31:10 -07:00
ehci-hub.c USB: powerpc: Workaround for the PPC440EPX USBH_23 errata [take 3] 2009-01-07 09:59:52 -08:00
ehci-ixp4xx.c
ehci-mem.c USB: EHCI: slow down ITD reuse 2009-02-27 14:40:50 -08:00
ehci-orion.c
ehci-pci.c dma-mapping: replace all DMA_31BIT_MASK macro with DMA_BIT_MASK(31) 2009-04-07 08:31:11 -07:00
ehci-ppc-of.c USB: powerpc: Workaround for the PPC440EPX USBH_23 errata [take 3] 2009-01-07 09:59:52 -08:00
ehci-ps3.c dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) 2009-04-07 08:31:11 -07:00
ehci-q.c USB: fix ehci printk formats 2009-03-24 16:20:33 -07:00
ehci-sched.c USB: ehci-sched.c: EHCI SITD scheduling bugfix 2009-04-23 14:15:28 -07:00
ehci.h USB: replace uses of __constant_{endian} 2009-03-24 16:20:33 -07:00
fhci-dbg.c USB: FHCI: use dev_name() in place of bus_id. 2009-03-24 16:38:23 -07:00
fhci-hcd.c USB: FHCI: use dev_name() in place of bus_id. 2009-03-24 16:38:23 -07:00
fhci-hub.c USB: Driver for Freescale QUICC Engine USB Host Controller 2009-01-27 16:15:38 -08:00
fhci-mem.c USB: Driver for Freescale QUICC Engine USB Host Controller 2009-01-27 16:15:38 -08:00
fhci-q.c USB: Driver for Freescale QUICC Engine USB Host Controller 2009-01-27 16:15:38 -08:00
fhci-sched.c USB: Driver for Freescale QUICC Engine USB Host Controller 2009-01-27 16:15:38 -08:00
fhci-tds.c USB: Driver for Freescale QUICC Engine USB Host Controller 2009-01-27 16:15:38 -08:00
fhci.h USB: Driver for Freescale QUICC Engine USB Host Controller 2009-01-27 16:15:38 -08:00
hwa-hc.c USB: use kzfree() 2009-03-24 16:20:44 -07:00
isp116x-hcd.c USB: make transfer_buffer_lengths in struct urb field u32 2009-03-24 16:20:36 -07:00
isp116x.h USB: add missing KERN_* constants to printks 2009-03-24 16:20:30 -07:00
isp1760-hcd.c USB: isp1760: Add a delay before reading the SKIPMAP registers in isp1760-hcd.c 2009-03-24 16:20:46 -07:00
isp1760-hcd.h USB: Make the isp1760_register function prototype more generic 2009-03-24 16:20:31 -07:00
isp1760-if.c USB: Add platform device support for the ISP1760 USB chip 2009-03-24 16:20:31 -07:00
Kconfig USB: Add platform device support for the ISP1760 USB chip 2009-03-24 16:20:31 -07:00
Makefile USB: Driver for Freescale QUICC Engine USB Host Controller 2009-01-27 16:15:38 -08:00
ohci-at91.c [ARM] 5446/1: ohci-at91: Limit vbus_pin assignment to the size of the array 2009-04-08 20:36:18 +01:00
ohci-au1xxx.c
ohci-dbg.c
ohci-ep93xx.c [ARM] 5406/1: ep93xx: remove unneeded header in ohci-ep93xx.c 2009-02-21 16:39:06 +00:00
ohci-hcd.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6 2009-03-26 11:17:39 -07:00
ohci-hub.c
ohci-lh7a404.c
ohci-mem.c
ohci-omap.c [ARM] omap: ensure OMAP drivers pass a struct device to clk_get() 2009-01-24 11:41:16 +00:00
ohci-pci.c USB/PCI: Fix resume breakage of controllers behind cardbus bridges 2009-02-17 16:56:31 -08:00
ohci-pnx4008.c USB: Convert ohci-pnx4008 to a new-style i2c driver 2009-01-07 09:59:53 -08:00
ohci-pnx8550.c
ohci-ppc-of.c USB: powerpc: Workaround for the PPC440EPX USBH_23 errata [take 3] 2009-01-07 09:59:52 -08:00
ohci-ppc-soc.c
ohci-ps3.c dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) 2009-04-07 08:31:11 -07:00
ohci-pxa27x.c
ohci-q.c
ohci-s3c2410.c USB: S3C: Move usb-control.h to platform include 2009-03-24 16:20:45 -07:00
ohci-sa1111.c
ohci-sh.c
ohci-sm501.c
ohci-ssb.c
ohci-tmio.c usb: struct device - replace bus_id with dev_name(), dev_set_name() 2009-01-07 09:59:52 -08:00
ohci.h
oxu210hp-hcd.c USB: host: fix sparse warning: Using plain integer as NULL pointer 2009-03-24 16:20:44 -07:00
oxu210hp.h USB: replace uses of __constant_{endian} 2009-03-24 16:20:33 -07:00
pci-quirks.c USB: count reaches -1, tested 0 2009-03-24 16:20:29 -07:00
pci-quirks.h
r8a66597-hcd.c USB: r8a66597-hcd: suspend/resume support 2009-03-24 16:20:45 -07:00
r8a66597.h USB: r8a66597-hcd: suspend/resume support 2009-03-24 16:20:45 -07:00
sl811_cs.c
sl811-hcd.c USB: make transfer_buffer_lengths in struct urb field u32 2009-03-24 16:20:36 -07:00
sl811.h
u132-hcd.c
uhci-debug.c USB: uhci: don't use pseudo negative values 2009-03-24 16:20:36 -07:00
uhci-hcd.c USB/PCI: Fix resume breakage of controllers behind cardbus bridges 2009-02-17 16:56:31 -08:00
uhci-hcd.h USB: replace uses of __constant_{endian} 2009-03-24 16:20:33 -07:00
uhci-hub.c
uhci-q.c USB: uhci: don't use pseudo negative values 2009-03-24 16:20:36 -07:00