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usb: Add support for txfifo threshold

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CONFIG_USB_EHCI_TXFIFO_THRESH enables setting of the txfilltuning
field in the EHCI controller on reset.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Remy Bohmer <linux@bohmer.net>
Signed-off-by: Tom Warren <twarren@nvidia.com>
This commit is contained in:
Simon Glass
2012-02-27 10:52:47 +00:00
committed by Albert ARIBAUD
parent 1920172ec8
commit 9ab4ce223c
3 changed files with 15 additions and 1 deletions
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@@ -1125,6 +1125,9 @@ The following options need to be configured:
May be defined to allow interrupt polling
instead of using asynchronous interrupts
CONFIG_USB_EHCI_TXFIFO_THRESH enables setting of the
txfilltuning field in the EHCI controller on reset.
- USB Device:
Define the below if you wish to use the USB console.
Once firmware is rebuilt from a serial console issue the