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Vikram Pandita 332960bd7e USB: ehci: report Data Buffer Error in debug mode 
Data Buffer Error as per spec section 4.15.1.1.2
results when there is Underrun or Overrun condition.

This error is considered non-fatal and never gets reported.
Its a very good indication on things going wrong at system level,
like running memory at much slower speed.

This is a good error to flag allowing system level corrections.

An issue was found with OMAP4460 board where DDR had to be run
at full speed and this logging helped.

Signed-off-by: Vikram Pandita <vikram.pandita@ti.com>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Vikram Pandita <vikram.pandita@ti.com>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 		2011-11-14 16:46:07 -08:00
..
whci usb: Add export.h for EXPORT_SYMBOL/THIS_MODULE where needed 2011-10-31 19:31:25 -04:00
Kconfig usb: gadget: renesas_usbhs: add mod_host support 2011-10-13 20:41:52 +03:00
Makefile Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2011-11-03 13:28:14 -07:00
alchemy-common.c MIPS: Alchemy: abstract USB block control register access 2011-10-24 23:34:23 +01:00
ehci-ath79.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ehci-atmel.c
…
ehci-au1xxx.c Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2011-11-03 13:28:14 -07:00
ehci-cns3xxx.c
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ehci-dbg.c EHCI: workaround for MosChip controller bug 2011-10-18 13:49:33 -07:00
ehci-fsl.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ehci-fsl.h
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ehci-grlib.c
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ehci-hcd.c Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2011-11-03 13:28:14 -07:00
ehci-hub.c Merge 3.1-rc4 into usb-next 2011-08-29 08:56:17 -07:00
ehci-ixp4xx.c
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ehci-lpm.c
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ehci-mem.c
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ehci-msm.c
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ehci-mxc.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ehci-octeon.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ehci-omap.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ehci-orion.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ehci-pci.c EHCI: workaround for MosChip controller bug 2011-10-18 13:49:33 -07:00
ehci-pmcmsp.c
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ehci-ppc-of.c
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ehci-ps3.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ehci-pxa168.c USB: pxa168: Add onchip USB host controller support 2011-08-22 15:38:30 -07:00
ehci-q.c USB: ehci: report Data Buffer Error in debug mode 2011-11-14 16:46:07 -08:00
ehci-s5p.c USB: ehci-s5p: remove unnecessary header includes 2011-11-14 16:46:05 -08:00
ehci-sched.c EHCI: workaround for MosChip controller bug 2011-10-18 13:49:33 -07:00
ehci-sh.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ehci-spear.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ehci-sysfs.c
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ehci-tegra.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ehci-vt8500.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ehci-w90x900.c
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ehci-xilinx-of.c
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ehci-xls.c usb: OHCI/EHCI support for Netlogic XLS processor. 2011-08-22 15:54:38 -07:00
ehci.h EHCI: workaround for MosChip controller bug 2011-10-18 13:49:33 -07:00
fhci-dbg.c
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fhci-hcd.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
fhci-hub.c
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fhci-mem.c
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fhci-q.c
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fhci-sched.c QE/FHCI: fixed the CONTROL bug 2011-10-18 13:51:34 -07:00
fhci-tds.c
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fhci.h
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fsl-mph-dr-of.c usb: Add module.h to drivers/usb consumers who really use it. 2011-10-31 19:31:25 -04:00
hwa-hc.c USB: Remove the SAW_IRQ hcd flag 2011-11-14 16:46:06 -08:00
imx21-dbg.c
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imx21-hcd.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
imx21-hcd.h
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isp116x-hcd.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
isp116x.h
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isp1362-hcd.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
isp1362.h
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isp1760-hcd.c usb/isp1760: Allow to optionally trigger low-level chip reset via GPIOLIB. 2011-10-19 13:29:06 -07:00
isp1760-hcd.h usb/isp1760: Allow to optionally trigger low-level chip reset via GPIOLIB. 2011-10-19 13:29:06 -07:00
isp1760-if.c usb: Add module.h to drivers/usb consumers who really use it. 2011-10-31 19:31:25 -04:00
octeon2-common.c
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ohci-at91.c at91: at91-ohci: support overcurrent notification 2011-09-10 23:03:13 +02:00
ohci-ath79.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ohci-au1xxx.c Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2011-11-03 13:28:14 -07:00
ohci-cns3xxx.c
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ohci-da8xx.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ohci-dbg.c
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ohci-ep93xx.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ohci-hcd.c usb: OHCI/EHCI support for Netlogic XLS processor. 2011-08-22 15:54:38 -07:00
ohci-hub.c USB: Fix runtime wakeup on OHCI 2011-10-18 13:42:07 -07:00
ohci-jz4740.c
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ohci-mem.c
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ohci-octeon.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ohci-omap.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ohci-omap3.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ohci-pci.c
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ohci-pnx4008.c Merge branch 'gpio' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm 2011-10-27 08:39:10 +02:00
ohci-pnx8550.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ohci-ppc-of.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ohci-ppc-soc.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ohci-ps3.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ohci-pxa27x.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ohci-q.c USB: use usb_endpoint_maxp() instead of le16_to_cpu() 2011-08-23 09:47:40 -07:00
ohci-s3c2410.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ohci-sa1111.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ohci-sh.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ohci-sm501.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ohci-spear.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ohci-ssb.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ohci-tmio.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ohci-xls.c usb: OHCI/EHCI support for Netlogic XLS processor. 2011-08-22 15:54:38 -07:00
ohci.h
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oxu210hp-hcd.c
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oxu210hp.h
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pci-quirks.c usb: Add export.h for EXPORT_SYMBOL/THIS_MODULE where needed 2011-10-31 19:31:25 -04:00
pci-quirks.h
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r8a66597-hcd.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
r8a66597.h
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sl811-hcd.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
sl811.h
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sl811_cs.c
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u132-hcd.c
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uhci-debug.c
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uhci-grlib.c
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uhci-hcd.c USB: UHCI: improve comments and logic for root-hub suspend 2011-09-26 15:58:18 -07:00
uhci-hcd.h
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uhci-hub.c
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uhci-pci.c
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uhci-q.c USB: use usb_endpoint_maxp() instead of le16_to_cpu() 2011-08-23 09:47:40 -07:00
xhci-dbg.c
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xhci-ext-caps.h xHCI: Check host USB2 LPM capability 2011-09-26 15:51:09 -07:00
xhci-hub.c usb: fix implicit usage of gfp.h in host/xhci-hub.c 2011-10-31 19:31:26 -04:00
xhci-mem.c usb/xhci: replace pci_*_consistent() with dma_*_coherent() 2011-09-26 15:51:13 -07:00
xhci-pci.c usb: Add module.h to drivers/usb consumers who really use it. 2011-10-31 19:31:25 -04:00
xhci-ring.c USB: Remove the SAW_IRQ hcd flag 2011-11-14 16:46:06 -08:00
xhci.c usb/xhci: remove CONFIG_PCI in xhci.c's probe function 2011-09-26 15:51:14 -07:00
xhci.h usb/xhci: remove CONFIG_PCI in xhci.c's probe function 2011-09-26 15:51:14 -07:00