Piteball/android_kernel_samsung_msm8976
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android_kernel_samsung_msm8976/drivers/usb/host
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Alan Stern e872154921 USB: don't explicitly reenable root-hub status interrupts 
This patch (as1069b) changes the way OHCI root-hub status-change
interrupts are enabled.  Currently a special HCD method,
hub_irq_enable(), is called when the hub driver is finished using a
root hub.  This approach turns out to be subject to races, resulting
in unnecessary polling.

The patch does away with the method entirely.  Instead, the driver
automatically enables the RHSC interrupt when no more status changes
are present.  This scheme is safe with controllers using
level-triggered semantics for their interrupt flags.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-04-24 21:16:53 -07:00
..
ehci-au1xxx.c USB: ehci minor SOC bus glue fixes 2008-04-24 21:16:35 -07:00
ehci-dbg.c USB: remove dev->power.power_state 2008-04-24 21:16:41 -07:00
ehci-fsl.c USB: ehci minor SOC bus glue fixes 2008-04-24 21:16:35 -07:00
ehci-fsl.h
ehci-hcd.c USB: ehci shutdown refactored 2008-04-24 21:16:49 -07:00
ehci-hub.c USB: HCDs use the do_remote_wakeup flag 2008-04-24 21:16:53 -07:00
ehci-ixp4xx.c USB: ehci minor SOC bus glue fixes 2008-04-24 21:16:35 -07:00
ehci-mem.c
ehci-orion.c
ehci-pci.c USB: HCDs use the do_remote_wakeup flag 2008-04-24 21:16:53 -07:00
ehci-ppc-of.c
ehci-ppc-soc.c USB: ehci minor SOC bus glue fixes 2008-04-24 21:16:35 -07:00
ehci-ps3.c USB: remove dev->power.power_state 2008-04-24 21:16:41 -07:00
ehci-q.c USB: ehci: qh/qtd cleanup comments 2008-04-24 21:16:50 -07:00
ehci-sched.c USB: minor ehci xITD simplifications 2008-04-24 21:16:38 -07:00
ehci.h
isp116x-hcd.c USB: HCDs use the do_remote_wakeup flag 2008-04-24 21:16:53 -07:00
isp116x.h
Kconfig USB: r8a66597-hcd: Add support for SH7366 USB host 2008-04-24 21:16:49 -07:00
Makefile
ohci-at91.c USB: don't explicitly reenable root-hub status interrupts 2008-04-24 21:16:53 -07:00
ohci-au1xxx.c USB: don't explicitly reenable root-hub status interrupts 2008-04-24 21:16:53 -07:00
ohci-dbg.c USB: remove dev->power.power_state 2008-04-24 21:16:41 -07:00
ohci-ep93xx.c USB: don't explicitly reenable root-hub status interrupts 2008-04-24 21:16:53 -07:00
ohci-hcd.c
ohci-hub.c USB: don't explicitly reenable root-hub status interrupts 2008-04-24 21:16:53 -07:00
ohci-lh7a404.c USB: don't explicitly reenable root-hub status interrupts 2008-04-24 21:16:53 -07:00
ohci-mem.c
ohci-omap.c USB: don't explicitly reenable root-hub status interrupts 2008-04-24 21:16:53 -07:00
ohci-pci.c USB: don't explicitly reenable root-hub status interrupts 2008-04-24 21:16:53 -07:00
ohci-pnx4008.c USB: don't explicitly reenable root-hub status interrupts 2008-04-24 21:16:53 -07:00
ohci-pnx8550.c USB: don't explicitly reenable root-hub status interrupts 2008-04-24 21:16:53 -07:00
ohci-ppc-of.c USB: don't explicitly reenable root-hub status interrupts 2008-04-24 21:16:53 -07:00
ohci-ppc-soc.c USB: don't explicitly reenable root-hub status interrupts 2008-04-24 21:16:53 -07:00
ohci-ps3.c USB: don't explicitly reenable root-hub status interrupts 2008-04-24 21:16:53 -07:00
ohci-pxa27x.c USB: don't explicitly reenable root-hub status interrupts 2008-04-24 21:16:53 -07:00
ohci-q.c
ohci-s3c2410.c USB: don't explicitly reenable root-hub status interrupts 2008-04-24 21:16:53 -07:00
ohci-sa1111.c USB: don't explicitly reenable root-hub status interrupts 2008-04-24 21:16:53 -07:00
ohci-sh.c USB: don't explicitly reenable root-hub status interrupts 2008-04-24 21:16:53 -07:00
ohci-sm501.c USB: don't explicitly reenable root-hub status interrupts 2008-04-24 21:16:53 -07:00
ohci-ssb.c USB: don't explicitly reenable root-hub status interrupts 2008-04-24 21:16:53 -07:00
ohci.h
pci-quirks.c
pci-quirks.h
r8a66597-hcd.c USB: r8a66597-hcd: Add support for SH7366 USB host 2008-04-24 21:16:49 -07:00
r8a66597.h USB: r8a66597-hcd: Add support for SH7366 USB host 2008-04-24 21:16:49 -07:00
sl811-hcd.c USB: remove dev->power.power_state 2008-04-24 21:16:41 -07:00
sl811.h
sl811_cs.c
u132-hcd.c USB: don't explicitly reenable root-hub status interrupts 2008-04-24 21:16:53 -07:00
uhci-debug.c
uhci-hcd.c USB: HCDs use the do_remote_wakeup flag 2008-04-24 21:16:53 -07:00
uhci-hcd.h
uhci-hub.c
uhci-q.c