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Alan Stern 5c12e7856d USB: UHCI: improve comments and logic for root-hub suspend 
This patch (as1488) improves the comments and logic in uhci-hcd's
suspend routine.  The existing comments are hard to understand and
don't give a good idea of what's really going on.

The question of whether EGSM (Enter Global Suspend Mode) and RD
(enable Resume Detect interrupts) can be useful when they're not both
set is difficult.  The spec doesn't give any details on how they
interact with system wakeup, although clearly they are meant to be
used together.  To be safe, the patch changes the subroutine so that
neither bit gets set unless they both do.  There shouldn't be any
functional changes from this; only systems that are designed badly or
broken in some way need to avoid using those bits.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
 		2011-09-26 15:58:18 -07:00
..
whci treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
Kconfig usb/host: introduce USB_ARCH_HAS_XHCI 2011-09-26 15:51:11 -07:00
Makefile usb/xhci: remove CONFIG_PCI in xhci.c's probe function 2011-09-26 15:51:14 -07:00
ehci-ath79.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ehci-atmel.c
…
ehci-au1xxx.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ehci-cns3xxx.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
ehci-dbg.c USB: EHCI: remove usages of hcd->state 2011-08-22 15:57:01 -07:00
ehci-fsl.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ehci-fsl.h
…
ehci-grlib.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
ehci-hcd.c EHCI : introduce a common ehci_setup 2011-09-26 15:48:41 -07:00
ehci-hub.c Merge 3.1-rc4 into usb-next 2011-08-29 08:56:17 -07:00
ehci-ixp4xx.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
ehci-lpm.c
…
ehci-mem.c
…
ehci-msm.c ehci-msm : use ehci_setup 2011-07-08 14:51:29 -07:00
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 USB: EHCI: remove usages of hcd->state 2011-08-22 15:57:01 -07:00
ehci-pmcmsp.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
ehci-ppc-of.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
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: remove the 1st wmb in qh_append_tds 2011-09-18 01:38:59 -07:00
ehci-s5p.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ehci-sched.c USB: EHCI: remove usages of hcd->state 2011-08-22 15:57:01 -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 USB: EHCI: Allow users to override 80% max periodic bandwidth 2011-07-08 14:51:33 -07:00
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 treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
ehci-xilinx-of.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
ehci-xls.c usb: OHCI/EHCI support for Netlogic XLS processor. 2011-08-22 15:54:38 -07:00
ehci.h USB: EHCI: remove usages of hcd->state 2011-08-22 15:57:01 -07:00
fhci-dbg.c
…
fhci-hcd.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
fhci-hub.c
…
fhci-mem.c
…
fhci-q.c
…
fhci-sched.c
…
fhci-tds.c
…
fhci.h
…
fsl-mph-dr-of.c
…
hwa-hc.c
…
imx21-dbg.c
…
imx21-hcd.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
imx21-hcd.h
…
isp116x-hcd.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
isp116x.h
…
isp1362-hcd.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
isp1362.h
…
isp1760-hcd.c usb/isp1760: Clear TT buffer on interrupted low & full speed transfers 2011-08-22 17:05:27 -07:00
isp1760-hcd.h usb/isp1760: Use polling instead of SOF interrupts to fix Errata 2 2011-08-22 15:32:45 -07:00
isp1760-if.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
octeon2-common.c
…
ohci-at91.c
…
ohci-ath79.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ohci-au1xxx.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ohci-cns3xxx.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
ohci-da8xx.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
ohci-dbg.c
…
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
…
ohci-jz4740.c
…
ohci-mem.c
…
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
…
ohci-pnx4008.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
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
…
oxu210hp-hcd.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
oxu210hp.h
…
pci-quirks.c usb/host/pci-quirks.c: correct annotation of `ehci_dmi_nohandoff_table' 2011-08-08 14:00:14 -07:00
pci-quirks.h
…
r8a66597-hcd.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
r8a66597.h usb: r8a66597-hcd: add function for external controller 2011-07-08 14:57:11 -07:00
sl811-hcd.c USB: irq: Remove IRQF_DISABLED 2011-09-18 01:39:36 -07:00
sl811.h
…
sl811_cs.c
…
u132-hcd.c
…
uhci-debug.c
…
uhci-grlib.c treewide: Convert uses of struct resource to resource_size(ptr) 2011-06-10 14:55:36 +02:00
uhci-hcd.c USB: UHCI: improve comments and logic for root-hub suspend 2011-09-26 15:58:18 -07:00
uhci-hcd.h
…
uhci-hub.c
…
uhci-pci.c
…
uhci-q.c USB: use usb_endpoint_maxp() instead of le16_to_cpu() 2011-08-23 09:47:40 -07:00
xhci-dbg.c Merge 3.0-rc2 into usb-linus as it's needed by some USB patches 2011-06-14 06:51:23 -07:00
xhci-ext-caps.h xHCI: Check host USB2 LPM capability 2011-09-26 15:51:09 -07:00
xhci-hub.c xHCI: set USB2 hardware LPM 2011-09-26 15:51:10 -07:00
xhci-mem.c usb/xhci: replace pci_*_consistent() with dma_*_coherent() 2011-09-26 15:51:13 -07:00
xhci-pci.c usb/xhci: remove CONFIG_PCI in xhci.c's probe function 2011-09-26 15:51:14 -07:00
xhci-ring.c xHCI: AMD isoc link TRB chain bit quirk 2011-09-26 15:51:11 -07:00
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