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linux/drivers/usb/host
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Alex He 05570297ec USB: EHCI: ASPM quirk of ISOC on AMD SB800 
When ASPM PM Feature is enabled on UMI link, devices that use ISOC stream of
data transfer may be exposed to longer latency causing less than optimal per-
formance of the device. The longer latencies are normal and are due to link
wake time coming out of low power state which happens frequently to save
power when the link is not active.
The following code will make exception for certain features of ASPM to be by
passed and keep the logic normal state only when the ISOC device is connected
and active. This change will allow the device to run at optimal performance
yet minimize the impact on overall power savings.

Signed-off-by: Alex He <alex.he@amd.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-12-10 14:21:35 -08:00
..
whci USB: whci-hcd: fix compiler warning 2010-12-10 14:18:35 -08:00
ehci-atmel.c usb: Add in missing EHCI helpers. 2010-11-30 16:51:21 -08:00
ehci-au1xxx.c USB: add do_wakeup parameter for PCI HCD suspend 2010-08-10 14:35:37 -07:00
ehci-dbg.c USB: Remove unnecessary casts of void ptr returning alloc function return values 2010-11-30 16:44:57 -08:00
ehci-fsl.c USB: add USB EHCI support for MPC5121 SoC 2010-10-22 10:21:58 -07:00
ehci-fsl.h USB: add USB EHCI support for MPC5121 SoC 2010-10-22 10:21:58 -07:00
ehci-hcd.c USB: EHCI: ASPM quirk of ISOC on AMD SB800 2010-12-10 14:21:35 -08:00
ehci-hub.c USB: controller resume should check the root hub 2010-08-10 14:35:37 -07:00
ehci-ixp4xx.c
ehci-lpm.c USB: EHCI: EHCI 1.1 addendum: Basic LPM feature support 2010-08-10 14:35:35 -07:00
ehci-mem.c USB: add USB EHCI support for MPC5121 SoC 2010-10-22 10:21:58 -07:00
ehci-mxc.c usb: Add in missing EHCI helpers. 2010-11-30 16:51:21 -08:00
ehci-octeon.c USB: Add EHCI and OHCH glue for OCTEON II SOCs. 2010-10-29 19:08:44 +01:00
ehci-omap.c usb: ehci-omap: Add OMAP4 support 2010-12-01 02:35:49 +05:30
ehci-orion.c
ehci-pci.c USB: EHCI: ASPM quirk of ISOC on AMD SB800 2010-12-10 14:21:35 -08:00
ehci-ppc-of.c USB: ehci-ppc-of: problems in unwind 2010-09-03 17:33:40 -07:00
ehci-ps3.c
ehci-q.c USB: convert usb_hcd bitfields into atomic flags 2010-08-10 14:35:37 -07:00
ehci-sched.c USB: EHCI: ASPM quirk of ISOC on AMD SB800 2010-12-10 14:21:35 -08:00
ehci-sh.c usb: ehci-sh: Add missing ehci helpers. 2010-11-26 16:48:31 +09:00
ehci-spear.c USB host: Adding USB ehci & ohci support for spear platform 2010-11-16 13:53:29 -08:00
ehci-vt8500.c usb: Add support for VIA VT8500 and compatibles in EHCI HCD 2010-11-11 06:24:54 -08:00
ehci-w90x900.c usb: Add in missing EHCI helpers. 2010-11-30 16:51:21 -08:00
ehci-xilinx-of.c usb: Add in missing EHCI helpers. 2010-11-30 16:51:21 -08:00
ehci.h USB: EHCI: ASPM quirk of ISOC on AMD SB800 2010-12-10 14:21:35 -08:00
fhci-dbg.c
fhci-hcd.c of/device: Replace struct of_device with struct platform_device 2010-08-06 09:25:50 -06:00
fhci-hub.c
fhci-mem.c
fhci-q.c
fhci-sched.c
fhci-tds.c
fhci.h
fsl-mph-dr-of.c USB: add USB EHCI support for MPC5121 SoC 2010-10-22 10:21:58 -07:00
hwa-hc.c USB: convert usb_hcd bitfields into atomic flags 2010-08-10 14:35:37 -07:00
imx21-dbg.c
imx21-hcd.c Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2010-10-24 13:41:39 -07:00
imx21-hcd.h USB: imx21-hcd accept arbitary transfer buffer alignement. 2010-10-22 10:22:03 -07:00
isp116x-hcd.c USB: isp116x-hcd - use resource_size instead of defining its own resource_len macro 2010-10-22 10:22:14 -07:00
isp116x.h
isp1362-hcd.c USB: isp1362-hcd - use resource_size instead of defining its own resource_len macro 2010-10-22 10:22:15 -07:00
isp1362.h USB: host: Remove dead CONFIG_ARCH_KARO 2010-08-10 14:35:40 -07:00
isp1760-hcd.c USB: isp1760: use a write barrier to ensure proper ndelay timing 2010-08-23 20:50:15 -07:00
isp1760-hcd.h
isp1760-if.c of/device: Replace struct of_device with struct platform_device 2010-08-06 09:25:50 -06:00
Kconfig usb: ehci: introduce CONFIG_USB_EHCI_HCD_OMAP 2010-12-01 02:32:10 +05:30
Makefile USB: Add EHCI and OHCH glue for OCTEON II SOCs. 2010-10-29 19:08:44 +01:00
octeon2-common.c USB: Add EHCI and OHCH glue for OCTEON II SOCs. 2010-10-29 19:08:44 +01:00
ohci-at91.c
ohci-au1xxx.c
ohci-da8xx.c
ohci-dbg.c llseek: automatically add .llseek fop 2010-10-15 15:53:27 +02:00
ohci-ep93xx.c
ohci-hcd.c USB host: Adding USB ehci & ohci support for spear platform 2010-11-16 13:53:29 -08:00
ohci-hub.c USB: controller resume should check the root hub 2010-08-10 14:35:37 -07:00
ohci-jz4740.c USB: Add JZ4740 OHCI support 2010-08-05 13:26:19 +01:00
ohci-lh7a404.c
ohci-mem.c
ohci-octeon.c USB: Add EHCI and OHCH glue for OCTEON II SOCs. 2010-10-29 19:08:44 +01:00
ohci-omap.c
ohci-omap3.c
ohci-pci.c OHCI: work around for nVidia shutdown problem 2010-10-22 10:21:36 -07:00
ohci-pnx4008.c i2c: Add support for custom probe function 2010-08-11 18:20:56 +02:00
ohci-pnx8550.c
ohci-ppc-of.c of/device: Replace struct of_device with struct platform_device 2010-08-06 09:25:50 -06:00
ohci-ppc-soc.c
ohci-ps3.c
ohci-pxa27x.c ARM: ohci-pxa27x: enable OHCI over U2DC for pxa3xx 2010-10-08 16:21:17 +08:00
ohci-q.c
ohci-s3c2410.c
ohci-sa1111.c
ohci-sh.c usb: ohci-sh: Set IRQ as shared. 2010-11-01 17:01:27 -04:00
ohci-sm501.c USB: ohci-sm501: add iounmap on error path 2010-10-22 10:21:35 -07:00
ohci-spear.c USB host: Adding USB ehci & ohci support for spear platform 2010-11-16 13:53:29 -08:00
ohci-ssb.c USB: Add USB 2.0 to ssb ohci driver 2010-08-10 14:35:44 -07:00
ohci-tmio.c
ohci.h OHCI: work around for nVidia shutdown problem 2010-10-22 10:21:36 -07:00
oxu210hp-hcd.c Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2010-10-24 13:41:39 -07:00
oxu210hp.h
pci-quirks.c Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2010-10-24 13:41:39 -07:00
pci-quirks.h
r8a66597-hcd.c usb: Fix up r8a66597-hcd section mismatches. 2010-09-16 17:16:31 +09:00
r8a66597.h usb: r8a66597-hcd: Change mistake of the outsw function 2010-10-22 10:22:11 -07:00
sl811-hcd.c usb: host: sl811-hcd: check kzalloc() result 2010-08-10 14:35:42 -07:00
sl811.h
sl811_cs.c pcmcia: move driver name to struct pcmcia_driver 2010-09-29 17:20:24 +02:00
u132-hcd.c drivers/usb: Remove unnecessary return's from void functions 2010-08-10 14:25:42 +02:00
uhci-debug.c USB: remove fake "address-of" expressions 2010-08-10 14:35:45 -07:00
uhci-hcd.c drivers/usb/host/uhci-hcd.c: Remove unnecessary casts of pci_get_drvdata 2010-11-16 13:54:18 -08:00
uhci-hcd.h USB: UHCI: add support for Intel's wakeup flags 2010-08-10 14:35:38 -07:00
uhci-hub.c USB: controller resume should check the root hub 2010-08-10 14:35:37 -07:00
uhci-q.c USB: host: uhci-q: Fixed minor coding style issues 2010-12-10 14:18:36 -08:00
xhci-dbg.c
xhci-ext-caps.h
xhci-hub.c usb: Fix linker errors with CONFIG_PM=n 2010-10-22 10:22:15 -07:00
xhci-mem.c USB: xHCI: bus power management implementation 2010-10-22 10:22:13 -07:00
xhci-pci.c USB: xHCI: PCI power management implementation 2010-10-22 10:22:13 -07:00
xhci-ring.c USB: xHCI: port remote wakeup implementation 2010-10-22 10:22:13 -07:00
xhci.c usb: Fix linker errors with CONFIG_PM=n 2010-10-22 10:22:15 -07:00
xhci.h usb: Fix linker errors with CONFIG_PM=n 2010-10-22 10:22:15 -07:00