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-rw-r--r--drivers/usb/host/Kconfig11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index f865be2276d4..2d926cec0725 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -72,8 +72,9 @@ config USB_EHCI_ROOT_HUB_TT
72 from ARC, and has since changed hands a few times. 72 from ARC, and has since changed hands a few times.
73 73
74config USB_EHCI_TT_NEWSCHED 74config USB_EHCI_TT_NEWSCHED
75 bool "Improved Transaction Translator scheduling (EXPERIMENTAL)" 75 bool "Improved Transaction Translator scheduling"
76 depends on USB_EHCI_HCD && EXPERIMENTAL 76 depends on USB_EHCI_HCD
77 default y
77 ---help--- 78 ---help---
78 This changes the periodic scheduling code to fill more of the low 79 This changes the periodic scheduling code to fill more of the low
79 and full speed bandwidth available from the Transaction Translator 80 and full speed bandwidth available from the Transaction Translator
@@ -84,9 +85,11 @@ config USB_EHCI_TT_NEWSCHED
84 If you have multiple periodic low/fullspeed devices connected to a 85 If you have multiple periodic low/fullspeed devices connected to a
85 highspeed USB hub which is connected to a highspeed USB Host 86 highspeed USB hub which is connected to a highspeed USB Host
86 Controller, and some of those devices will not work correctly 87 Controller, and some of those devices will not work correctly
87 (possibly due to "ENOSPC" or "-28" errors), say Y. 88 (possibly due to "ENOSPC" or "-28" errors), say Y. Conversely, if
89 you have only one such device and it doesn't work, you could try
90 saying N.
88 91
89 If unsure, say N. 92 If unsure, say Y.
90 93
91config USB_EHCI_BIG_ENDIAN_MMIO 94config USB_EHCI_BIG_ENDIAN_MMIO
92 bool 95 bool