Merge to Fedora kernel-2.6.18-1.2224_FC5 patched with stable patch-2.6.18.1-vs2.0...

[linux-2.6.git] / drivers / usb / host / Kconfig

diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index e27b79a..b93d71d 100644 (file)
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -47,12 +47,29 @@ config USB_EHCI_ROOT_HUB_TT
          controller is needed.  It's safe to say "y" even if your
          controller doesn't support this feature.
 
          controller is needed.  It's safe to say "y" even if your
          controller doesn't support this feature.
 

-         This supports the EHCI implementation from TransDimension Inc.
+         This supports the EHCI implementation that's originally
+         from ARC, and has since changed hands a few times.
+
+config USB_EHCI_TT_NEWSCHED
+       bool "Improved Transaction Translator scheduling (EXPERIMENTAL)"
+       depends on USB_EHCI_HCD && EXPERIMENTAL
+       ---help---
+         This changes the periodic scheduling code to fill more of the low
+         and full speed bandwidth available from the Transaction Translator
+         (TT) in USB 2.0 hubs.  Without this, only one transfer will be
+         issued in each microframe, significantly reducing the number of
+         periodic low/fullspeed transfers possible.
+
+         If you have multiple periodic low/fullspeed devices connected to a
+         highspeed USB hub which is connected to a highspeed USB Host
+         Controller, and some of those devices will not work correctly
+         (possibly due to "ENOSPC" or "-28" errors), say Y.
+
+         If unsure, say N.

 
 config USB_ISP116X_HCD
        tristate "ISP116X HCD support"
        depends on USB
 
 config USB_ISP116X_HCD
        tristate "ISP116X HCD support"
        depends on USB

-       default N

        ---help---
          The ISP1160 and ISP1161 chips are USB host controllers. Enable this
          option if your board has this chip. If unsure, say N.
        ---help---
          The ISP1160 and ISP1161 chips are USB host controllers. Enable this
          option if your board has this chip. If unsure, say N.


@@ -127,7 +144,6 @@ config USB_UHCI_HCD
 config USB_SL811_HCD
        tristate "SL811HS HCD support"
        depends on USB
 config USB_SL811_HCD
        tristate "SL811HS HCD support"
        depends on USB

-       default N

        help
          The SL811HS is a single-port USB controller that supports either
          host side or peripheral side roles.  Enable this option if your
        help
          The SL811HS is a single-port USB controller that supports either
          host side or peripheral side roles.  Enable this option if your


@@ -140,7 +156,6 @@ config USB_SL811_HCD
 config USB_SL811_CS
        tristate "CF/PCMCIA support for SL811HS HCD"
        depends on USB_SL811_HCD && PCMCIA
 config USB_SL811_CS
        tristate "CF/PCMCIA support for SL811HS HCD"
        depends on USB_SL811_HCD && PCMCIA

-       default N

        help
          Wraps a PCMCIA driver around the SL811HS HCD, supporting the RATOC
          REX-CFU1U CF card (often used with PDAs).  If unsure, say N.
        help
          Wraps a PCMCIA driver around the SL811HS HCD, supporting the RATOC
          REX-CFU1U CF card (often used with PDAs).  If unsure, say N.