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android_kernel_xiaomi_sm8350/drivers/usb/host
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Alan Stern 57e06c1137 EHCI: force high-speed devices to run at full speed 
This patch (as710) adds a sysfs class-device attribute file named
"companion" for EHCI controllers.  The file contains a list of port
numbers that are dedicated to the companion controller; by writing a
port number to the file the user can force a high-speed device
attached directly to the computer to run at full speed.  (As far as I
know it is not possible to do this for a device attached to an
external hub.)  A port is removed from the file by writing the
negative of its port number.

Several users have asked for this facility and it seems like a useful
thing to have.  Every now and then one runs across a device which
behaves much better at full speed than at high speed.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2007-02-07 15:44:37 -08:00
..
ehci-au1xxx.c USB: Properly unregister reboot notifier in case of failure in ehci hcd 2006-09-27 11:58:54 -07:00
ehci-dbg.c USB: Implement support for EHCI with big endian MMIO 2007-02-07 15:44:32 -08:00
ehci-fsl.c USB: Implement support for EHCI with big endian MMIO 2007-02-07 15:44:32 -08:00
ehci-fsl.h [PATCH] USB: EHCI for Freescale 83xx 2006-03-20 14:49:55 -08:00
ehci-hcd.c EHCI: force high-speed devices to run at full speed 2007-02-07 15:44:37 -08:00
ehci-hub.c EHCI: force high-speed devices to run at full speed 2007-02-07 15:44:37 -08:00
ehci-mem.c USB: EHCI whitespace fixes (cosmetic) 2006-09-27 11:58:56 -07:00
ehci-pci.c USB: Implement support for EHCI with big endian MMIO 2007-02-07 15:44:32 -08:00
ehci-ps3.c USB: ps3 ehci bus glue 2007-02-07 15:44:35 -08:00
ehci-q.c USB: Implement support for EHCI with big endian MMIO 2007-02-07 15:44:32 -08:00
ehci-sched.c USB: Implement support for EHCI with big endian MMIO 2007-02-07 15:44:32 -08:00
ehci.h EHCI: force high-speed devices to run at full speed 2007-02-07 15:44:37 -08:00
hc_crisv10.c [PATCH] getting rid of all casts of k[cmz]alloc() calls 2006-12-13 09:05:58 -08:00
hc_crisv10.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
isp116x-hcd.c IRQ: Maintain regs pointer globally rather than passing to IRQ handlers 2006-10-05 15:10:12 +01:00
isp116x.h USB: Dealias -110 code (more complete) 2006-09-27 11:59:00 -07:00
Kconfig ohci: Add support for OHCI controller on the of_platform bus 2007-02-07 15:44:33 -08:00
Makefile USB: u132-hcd: host controller driver for ELAN U132 adapter 2006-09-27 11:58:59 -07:00
ohci-at91.c USB: ohci-at91 refcount fix for irq wake enables 2007-02-07 15:44:35 -08:00
ohci-au1xxx.c ohci: Rework bus glue integration to allow several at once 2007-02-07 15:44:33 -08:00
ohci-dbg.c USB: ohci whitespace/comment fixups 2006-12-20 10:14:26 -08:00
ohci-ep93xx.c ohci: Rework bus glue integration to allow several at once 2007-02-07 15:44:33 -08:00
ohci-hcd.c USB: ps3 ohci bus glue 2007-02-07 15:44:37 -08:00
ohci-hub.c USB: ohci handles hardware faults during root port resets 2006-12-20 10:14:27 -08:00
ohci-lh7a404.c ohci: Rework bus glue integration to allow several at once 2007-02-07 15:44:33 -08:00
ohci-mem.c USB: ohci whitespace/comment fixups 2006-12-20 10:14:26 -08:00
ohci-omap.c ohci: Rework bus glue integration to allow several at once 2007-02-07 15:44:33 -08:00
ohci-pci.c ohci: Rework bus glue integration to allow several at once 2007-02-07 15:44:33 -08:00
ohci-pnx4008.c ohci: Rework bus glue integration to allow several at once 2007-02-07 15:44:33 -08:00
ohci-pnx8550.c ohci: Rework bus glue integration to allow several at once 2007-02-07 15:44:33 -08:00
ohci-ppc-of.c ohci: Add support for OHCI controller on the of_platform bus 2007-02-07 15:44:33 -08:00
ohci-ppc-soc.c ohci: Rework bus glue integration to allow several at once 2007-02-07 15:44:33 -08:00
ohci-ps3.c USB: ps3 ohci bus glue 2007-02-07 15:44:37 -08:00
ohci-pxa27x.c ohci: Rework bus glue integration to allow several at once 2007-02-07 15:44:33 -08:00
ohci-q.c USB: ohci whitespace/comment fixups 2006-12-20 10:14:26 -08:00
ohci-s3c2410.c ohci: Rework bus glue integration to allow several at once 2007-02-07 15:44:33 -08:00
ohci-sa1111.c ohci: Rework bus glue integration to allow several at once 2007-02-07 15:44:33 -08:00
ohci.h USB: Fix OHCI warning 2007-02-07 15:44:32 -08:00
pci-quirks.c [PATCH] USB: Kill compiler warning in quirk_usb_handoff_ohci 2006-07-12 16:03:22 -07:00
pci-quirks.h [PATCH] USB: pci-quirks.c: proper prototypes 2006-04-14 11:12:20 -07:00
sl811_cs.c [PATCH] pcmcia: conf.ConfigBase and conf.Present consolidation 2006-12-04 20:12:02 -05:00
sl811-hcd.c IRQ: Maintain regs pointer globally rather than passing to IRQ handlers 2006-10-05 15:10:12 +01:00
sl811.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
u132-hcd.c USB: u132-hcd/ftdi-elan: add support for Option GT 3G Quad card 2006-12-20 10:14:27 -08:00
uhci-debug.c UHCI: fix bandwidth allocation 2007-02-07 15:44:37 -08:00
uhci-hcd.c UHCI: improved debugging checks for the frame list 2007-02-07 15:44:35 -08:00
uhci-hcd.h UHCI: fix bandwidth allocation 2007-02-07 15:44:37 -08:00
uhci-hub.c UHCI: module parameter to ignore overcurrent changes 2006-12-20 10:14:26 -08:00
uhci-q.c UHCI: fix bandwidth allocation 2007-02-07 15:44:37 -08:00